Publications of the Research Group

Names of members of the research group are printed in bold.

2019

Reviewed Articles

Troemel, S., A. V. Ryzhkov, B. Hickman, K. Muehlbauer, and C. Simmer, 2019: Polarimetric radar variables in the layers of melting and dendritic growth at X band — implications for a nowcasting strategy in stratiform rain. Accepted for publication in Journal of Applied Meteorology and Climatology.

Neto, J. D., S. Kneifel, D. Ori, S. Trömel, J. Handwerker, B. Bohn, N. Hermes, K. Mühlbauer, M. Lenefer, and C. Simmer, 2019: The TRIple-frequency and Polarimetric radar Experiment for improving process observations of winter precipitation. Earth Syst. Sci. Data, 11, 845-863, https://doi.org/10.5194/essd-11-845-2019

Byambaa, O., S. Weijers, J. Loeffler, S. Byambagerel, N. Soninkhishig, A. Buerkert, S. Goenster-Jordan, and C. Simmer, 2019: Climate variations over the southern Altai and Dzungarian Basin region, Central Asia, since 1580 CE. International Journal of Climatology, 39,4543-4558, https://doi.org/10.1002/joc.6097

Knist, S., K. Goergen, and C. Simmer, 2019: Effects of land surface inhomogeneity on convection-permitting WRF simulations over Central Europe. Accepted for publication in Meteorology and Atmospheric Physics.

Lockhoff, M., O. Zolina, C. Simmer and J. Schulz, 2019: Representation of precipitation characteristics and extremes in regional reanalyses, satellite- and gauge-based estimates over western and central Europe. Journal of Hydrometeorology, 20, 6, 1123-1145, DOI: 10.1175/JHM-D-18-0200.1

Schalge, B., V. Haeflinger, S. Kollet, and C. Simmer, 2019: Improvement of surface runoff in the hydrological model ParFlow by a scale-consistent river parameterization. Hydrological Processes, 33, 14, 2006-2019, DOI: 10.1002/hyp.13448

Sulis, M., V. Couvreur, J. Keune, G. Cai, I. Trebs, J. Junk, P. Shrestha, C. Simmer, S. Kollet, H. Vereecken, and J. Vanderborght, 2019: Incorporating a root water uptake model based on the hydraulic architecture approach in terrestrial systems simulations. Agricultural and Forest Meteorology, 269–270, 28-45, https://doi.org/10.1016/j.agrformet.2019.01.034

Baroni, G., B. Schalge, O. Rakovec, R. Kumar, L. Schüler, L. Samaniego, C. Simmer, and S. Attinger, 2019: A comprehensive distributed hydrological modelling inter-comparison to support processes representation and data collection strategies. Water Ressources Research, 55, p. 990-1010, DOI: 10.1029/2018WR023941 .

Schinagl, K., P. Friederichs, S. Trömel, and C. Simmer, 2019: Gamma drop size distribution assumptions in model bulk parameterizations and radar polarimetry and their impact on polarimetric radar moments. Journal of Applied Meteorology and Climatology, 58, 3, 467-478, DOI: 10.1175/JAMC-D-18-0178.1

2018

Reviewed Articles

Kollet, S., F. Gasper, S. Brdar, K. Goergen, H.-J. Hendricks-Franssen, J. Keune, W. Kurtz, V. Küll, F. Pappenberger, S. Poll, S. Trömel, P. Shrestha, C. Simmer and M. Sulis, 2018: Introduction of an Experimental Terrestrial Forecasting/Monitoring System at Regional to Continental Scales Based on the Terrestrial Systems Modeling Platform (v1.1.0). Water, 10(11), 1697, https://doi.org/10.3390/w10111697

Shrestha, P., W. Kurtz, G. Vogel, J.-P. Schulz, M. Sulis, H.-J. Hendricks Franssen, S. Kollet, and C. Simmer, 2018: Connection between root zone soil moisture and surface energy flux partitioning using modeling, observations and data assimilation for a temperate grassland site in Germany. JGR Biogeosciences, 123, 2839–2862, doi.org/10.1029/2016JG003753

Sulis, M., J. Keune, P. Shrestha, C. Simmer, and S. J. Kollet, 2018: Quantifying the Impact of Subsurface-Land Surface Physical Processes on the Predictive Skill of Subseasonal Mesoscale Atmospheric Simulations. Journal for Geophysical Research - Atmospheres, 123, 17, 9131-9151, DOI: 10.1029/2017JD028187.

Knist S., K. Goergen, and C. Simmer, 2018: Evaluation and projected changes of precipitation statistics in convection-permitting WRF climate simulations over Central Europe. Climate Dynamics, https://doi.org/10.1007/s00382-018-4147-x

Ayllón, D., V. Grimm, S. Attinger, M. Hauhs, C. Simmer, H. Vereecken, and G. Lischeid, 2018: Cross-disciplinary links in environmental systems science: current state and claimed needs identified in a meta-review of process models. Science of the Total Environment, 622–623, 954–973, DOI:10.1016/j.scitotenv.2017.12.007

Damm, A., E. Paul-Limoges, E. Haghighi, C. Simmer, F. Morsdorf, F.Schneider, C. van der Tol, M. Migliavacca, and U. Rascher, 2018: Remote Sensing of Plant-Water Relations: An overview and future perspectives. Journal of Plant Physiology, DOI:10.1016/j.jplph.2018.04.012, 2018-Apr-25 (Epub 2018 Apr 25)

Shrestha, P., M. Sulis, C. Simmer, and S. Kollet, 2018: Effects of horizontal grid resolution on evapotranspiration partitioning using TerrSysMP. Journal of Hydrology, 557, 910-915, https://doi.org/10.1016/j.jhydrol.2018.01.024

Saavedra, P. and C. Simmer, 2018: An Octave/MATLAB interface for rapid processing of SMOS L1C full polarization brightness temperature. Journal of Open Research Software, 6, 1, p.2, DOI: http://doi.org/10.5334/jors.165

2017

Reviewed Articles

Poll, S., P. Shrestha, and C. Simmer, 2017: Modelling Convectively Induced Secondary Circulations in the Terra Incognita with TerrSysMP. Quarterly Journal of the Royal Meteorological Society, 143, 2352–2361, DOI:10.1002/qj.3088

Ryzhkov, A., S. Matrosov, V. Melnikov, D. Zrnic, P. Zhang, Q. Cao, M. Knight, C. Simmer, and S. Troemel, 2017: Estimation of Depolarization Ratio Using Radars with Simultaneous Transmission/Reception. Journal of Applied Meteorology and Climate,56, p.1797-1816, DOI: 10.1175/JAMC-D-16-0098.1

Macke, A., P. Seifert, H. Baars, C. Barthlott, C. Beekmans, A. Behrendt, B. Bohn, M. Brueck, J. Buehl, S. Crewell, T. Damian, H. Deneke, S. Duesing, A. Foth, P. Di Girolamo, E. Hammann, R. Heinze, A. Hirsikko, J. Kalisch, N. Kalthoff, S. Kinne, M. Kohler, U. Loehnert, B. L. Madhavan, V. Maurer, S. K. Muppa, J. Schween, I. Serikov, H. Siebert, C. Simmer, F. Spaeth, S. Steinke, K. Traeumner, S. Troemel, B. Wehner, A. Wieser, V. Wulfmeyer, and X. Xie, 2017: The HD(CP)2 Observational Prototype Experiment HOPE – An Overview. Atmospheric Physics and Chemistry, 17, 4887-4914, http://www.atmos-chem-phys.net/17/4887/2017/, doi:10.5194/acp-17-4887-2017

Sulis, M., J. L. Williams, P. Shrestha, M. Diederich, C. Simmer, S. J. Kollet, and R. M. Maxwell, 2017: Coupling groundwater, vegetation, and atmospheric processes: a comparison of two integrated models. Journal for Hydrometeorology, 18, 5, 1489-1511, DOI: 10.1175/JHM-D-16-0159.1

Knist, S., K. Goergen, E. Buonomo, O. B. Christensen, A. Colette, R. M. Cardoso, R. Fealy, J. Fernández, M. García-Díez, D. Jacob, S. Kartsios, E. Katragkou, K. Keuler, S. Mayer, E. van Meijgaard, G. Nikulin, P.M.M. Soares, S. Sobolowski, G. Szepszo, C. Teichmann, R. Vautard, K. Warrach-Sagi, V. Wulfmeyer, C. Simmer, 2017: Land-atmosphere coupling in EURO-CORDEX evaluation experiments. Journal for Geophysical Research - Atmosphere, 122(1), 79-103

Kurzrock, F., A. Buerkert, O. Byambaa, S. Goenster, L. Jin, C. Ohlwein, C. Simmer and T. Simon, 2017: Dynamical downscaling with COSMO and COSMO-CLM in the Sino-Mongolian Altai region. Meteorology and Atmospheric Physics,129(2), 211-228, DOI:10.1007/s00703-016-0487-4, online.

Heinze, R., A. Dipankar, C. Henken, C. Moseley, O. Sourdevale, S. Troemel, X. Xie, P. Adamidis, F. Ament, H. Baars, C. Barthlott, A. Behrendt, U. Blahak, S. Bley, S. Brdar, M. Brueck, S. Crewell, H. Deneke, P. Di Girolamo, R. Evaristo, J. Fischer, C. Frank, P. Friederichs, T. Goecke, K. Gorges, L. Hande, M. Hanke, A. Hansen, H.-C. Hege, C. Hoose, T. Jahns, N. Kalthoff, D. Klocke, S. Kneifel, P. Knippertz, A. Kuhn, T. van Laar, A. Macke, V. Maurer, B. Mayer, C. I. Meyer, S. K. Muppak, R. A. J. Neggers, E. Orlandi, F. Pantillon, B. Pospichal, N. Roeber, L. Scheck, A. Seifert, P. Seifert, F. Senf, P. Siligam, C. Simmer, S. Steinke, B. Stevens, K. Wapler, M. Weniger, V. Wulfmeyer, G. Zaengl, D. Zhang, and J. Quaas, 2017: Large-eddy simulations over Germany using ICON: A comprehensive evaluation. Quarterly Journal of the Royal Meteorological Society, 143 (702), 69-100.

Liu, S., Y. Shao, A. Kunoth, and C. Simmer, 2017: Impact of surface-heterogeneity on atmosphere and land-surface interactions. Environmental Modelling and Software, 88, 35-47, DOI: 10.1016/j.envsoft.2016.11.006.

Troemel, S., A. V. Ryzhkov, T. Bick, K. Mühlbauer, and C. Simmer, 2017: Towards nowcasting of winter precipitation: The Black Ice Event in Berlin 2014. Meteorologische Zeitung, 26 (2), p.147-160, DOI: 10.1127/metz/2016/0778

Troemel, S., A. V. Ryzhkov, M. Diederich, K. Mühlbauer, S. Kneifel, J. Snyder, and C. Simmer, 2017: Multi-sensor characterization of mammatus. Monthly Weather Review, 145,p.235–251, http://dx.doi.org/10.1175/MWR-D-16-0187.1. Liu, S., Y. Shao, A. Kunoth, and C. Simmer, 2017: Impact of Surface-Heterogeneity on Atmosphere and Land-Surface Interaction. Environmental Modelling & Software, 88, p.35-47.

2016

Reviewed Articles

Beekmans, C., J. Schneider, T. Laebe, C. Stachniss, and C. Simmer, 2016: Cloud Photogrammetry with Dense Stereo for Fisheye Cameras. Atmospheric Physics and Chemistry, 16, 14231-14248, doi:10.5194/acp-16-14231-2016

Vereecken, H., Y. Pachepsky, C. Simmer, J. Rihani, A. Kunoth, W. Korres, A. Graf, H. J. Hendricks Franssen, I. Thiele-Eich, Y. Shao, 2016: On the role of patterns in understanding the functioning of soil-vegetation-atmosphere systems. Journal of Hydrology, 542, 63-86.

Xie, X., R. Evaristo, S. Troemel, P. Saavedra, C. Simmer, and A. Ryzhkov, 2016: Radar Observation of Evaporation and Implications for Quantitative Precipitation and Cooling Rate Estimation. Journal of Atmospheric and Oceanic Technology, 33, 8, p.1779–1792, DOI: http://dx.doi.org/10.1175/JTECH-D-15-0244.1

Zerenner, T., V. Venema, P. Friederichs, and C. Simmer, 2016: Downscaling near-surface atmospheric fields with multi-objective Genetic Programming. Environmental Modelling & Software, 84, p.85–98, DOI: http://dx.doi.org/10.1016/j.envsoft.2016.06.009

Xie, X., R. Evaristo, C. Simmer, J. Handwerker, and S. Troemel, 2016: Precipitation and Microphysical Processes Observed by Three Polarimetric X-Band Radars during HOPE. Atmospheric Chemistry and Physics, 16, 11, p.7105-7116.

Ryzhkov, A., P. Zhang, H. Reeves, M. Kumjian, T. Tschallener, S. Troemel, and C. Simmer 2016: Quasi-vertical profiles – a new way to look at polarimetric radar data. Journal of Atmosphere and Ocean Technology, 33, p.551-562, DOI: 10.1175/JTECH-D-15-0020.1

Bick, T., C. Simmer, S. Troemel, K. Wapler, H.-J. Hendricks Franssen, K. Stephan, U. Blahak, C. Schraff, H. Reich, Y. Zeng, and R. Potthast, 2016: Assimilation of 3D Radar Reflectivities with an Ensemble Kalman Filter on the Convective Scale. Quarterly Journal of the Royal Meteorological Society, 142, 696, p.1490-1504, DOI: 10.1002/qj.2751

Simmer, C., G. Adrian, S. Jones, V. Wirth, M. Goeber, C. Hohenegger, T. Janjic, J. Keller, C. Ohlwein, A. Seifert, S. Troemel, T. Ulbrich, K. Wapler, M. Weissmann, J. Keller, M. Masbou, S. Meilinger, N. Riss, A. Schomburg, A. Vormann, and C. Weingaertner, 2015: HErZ - The German Hans-Ertel Centre for Weather Research. Bulletin of the American Meteorological Society, June 2016, p.1057-1068, DOI: http://dx.doi.org/10.1175/BAMS-D-13-00227.1

2015

Reviewed Articles

Shrestha, P., M. Sulis, C. Simmer ,and S. Kollet, 2015: Impacts of Grid Resolution on Surface Energy Fluxes Simulated with an Integrated Surface-Groundwater Flow Model. Hydrol. Earth Syst. Sci., 19, p. 4317–4326, doi:10.5194/hess-19-4317-2015, www.hydrol-earth-syst-sci.net/19/4317/2015/

Xie, X., S. Crewell, U. Loehnert, C. Simmer, and J. Miao, 2015: Polarization Signatures and Brightness Temperatures Caused by Horizontally-Oriented Snow Particles at Microwave Bands: Effects of Atmospheric Absorption. Journal of Geophysical Research, 120, 12, 6145-6160, DOI: 10.1002/2015JD023158

Shrestha, P., A.P. Dimri, A. Schomburg, and C. Simmer, 2015: Improved understanding of an extreme rainfall event at the Himalayan Foothills - A case study using COSMO. Tellus A, 67, 26031, http://dx.doi.org/10.3402/tellusa.v67.26031

Thiele-Eich, I., K. Burkart, and C. Simmer, 2015: Trends in water level and flooding in Dhaka, Bangladesh and their impact on mortality. International Journal of Environmental Research and Public Health,12, 1196-1215; doi:10.3390/ijerph120201196.

Herget, J., A. Kapala, M. Krell, E. Rustemeier, C. Simmer, and A. Wyss, 2015: The millennium flood of July 1342 revisited. CATENA, 130, 82–94.

Sulis, M., M. Langensiepen, A. Schickling, C. Simmer, and S. J. Kollet, 2015: Evaluating the influence of plant-specific physiological parameterizations on the partitioning of land surface energy fluxes. Journal of Hydrometeorology, 16, 517-533, DOI: 10.1175/JHM-D-14-0153.1

Simmer, C., I. Thiele-Eich, M. Masbou, W. Amelung, S. Crewell, B. Diekkrueger, F. Ewert, H.-J. Hendricks Franssen, A. J. Huisman, A. Kemna, N. Klitzsch; S. Kollet, M. Langensiepen, U. Loehnert, M. Rahman, U. Rascher, K. Schneider, J. Schween, Y. Shao, P. Shrestha, M. Stiebler, M. Sulis, J. Vanderborght, H. Vereecken, J. van der Kruk, T. Zerenner, and G. Waldhoff, 2014: Monitoring and Modeling the Terrestrial System from Pores to Catchments - the Transregional Collaborative Research Center on Patterns in the Soil-Vegetation-Atmosphere System. Bulletin of the American Meteorological Society, 96, 1765–1787. doi: http://dx.doi.org/10.1175/BAMS-D-13-00134.1

Loehnert, U., J. H. Schween, C. Acquistapace, K. Ebell, M. Maahn, M. Barrera-Verdejo, A. Hirsikko, B. Bohn, A. Knaps, E. O’Connor, C. Simmer, A. Wahner, and S. Crewell, 2015: JOYCE: Jülich Observatory for Cloud Evolution. Bull. Amer. Meteor. Soc., 96, 1157–1174, doi: http://dx.doi.org/10.1175/BAMS-D-14-00105.1

Diederich, M., A. Ryzhkov, C. Simmer, P. Zhang, and S. Troemel, 2015: Use of specific attenuation for rainfall measurement at X-band radar wavelengths - Part 1: Radar calibration and partial beam blockage estimation. Journal of Hydrometeorology, 16, 2, 487-502, doi: 10.1175/JHM-D-14-0066.1

Diederich, M., A. Ryzhkov, C. Simmer, P. Zhang, and S. Troemel, 2015: Use of specific attenuation for rainfall measurement at X-band radar wavelengths - Part 2: Rainfall estimates and comparison with rain gauges. Journal of Hydrometeorology, 16, 2, 503-516, doi: 10.1175/JHM-D-14-0067.1

2014

Reviewed Articles

Lindau, R., and C. Simmer, 2014: A statistical retrieval algorithm for root zone soil moisture. Theoretical and Applied Climatology, 118, 4, 675-694.

Van de Boer, A., A. F. Moene, A. Graf, C. Simmer, and A. A. M. Holtslag, 2014: Estimation of the refractive index structure parameter from single-level daytime routine weather data. Applied Optics, 53, 26, 5944–5960.

Trömel, S., A. V. Ryzhkov, P. Zhang, and C. Simmer, 2014: The microphysical information of backscatter differential phase δ in the melting layer. Journal of Applied Meteorology and Climatology, 53, 2344-2359.

Trömel, S., M. Ziegert, A. Ryzhkov, C. Chwala, C. Simmer, 2014: Using microwave backhaul links to optimize the performance of algorithms for rainfall estimation and attenuation correction. Journal of Atmospheric and Oceanic Technology, 31, 8, 1748-1760

Shrestha, P., M. Sulis, M. Masbou, S. Kollet, and C. Simmer, 2014: A scale-consistent Terrestrial System Modeling Platform based on COSMO, CLM and ParFlow. Mon. Wea. Rev., 142, 3466-3483, DOI: 10.1175/MWR-D-14-00029.1.

Zolina, O., C. Simmer, A. Kapala, P. Shabanov, P. Becker, H. Mächel, S. Gulev, and P. Groisman, 2014: New view on precipitation variability and extremes in Central Europe from a German high resolution daily precipitation dataset: Results from the STAMMEX project. Bulletin of the American Meteorological Society, 95, 7, 995-1002, DOI 10.1175/BAMS-D-12-00134.1.

Van de Boer, A., A. F. Moene, A. Graf, D. Schuettemeyer, and C. Simmer, 2014: Detection of Entrainment Influences on Surface-Layer Measurements and Extension of Monin–Obukhov Similarity Theory. Boundary-Layer Meteorology, 152, 1, 19-44.

Milan, M., D. Schuettemeyer, T. Bick, and C. Simmer, 2014: A Sequential Ensemble Prediction System at Convection Permitting Scales. Meteorology and Atmospheric Physics, 123, 1-2, p. 17-31

Ryzhkov, A., M. Diederich, P. Zhang, and C. Simmer, 2014: Potential utilization of specific attenuation for rainfall estimation, mitigation of partial beam blockage, and radar networking. Journal of Atmospheric and Oceanic Technology, 31, 599-619

Lockhoff, M., O. Zolina, C. Simmer, and J. Schulz, 2014: Evaluation of satellite-retrieved extreme precipitation over Europe using gauge observations. Journal of Climate, 27, 2, p.607-623.

Book Contributions

2013

Reviewed Articles

Simon, T., D. Wang, A. Hense, C. Simmer, and C. Ohlwein, 2013: Generation and transfer of internal variability in a regional climate model. Tellus A, 65, Article Number 22485.

Troemel, S., M. R. Kumjian, A. V. Ryzhkov, C. Simmer, and M. Diederich, 2013: Backscatter differential phase - estimation and variability. Journal of Applied Meteorology and Climatology, 52, 11, p. 2529-2548.

Wang, D., Ch. Menz, T. Simon, C. Simmer, and C. Ohlwein, 2013: Regional dynamical downscaling with CCLM over East Asia. Meteorology and Atmospheric Physics, 121, 1-2, p.39-53, DOI: 10.1007/s00703-013-0250-z

Simon, T., A. Hense, B. Su, T, Jiang, C. Simmer, C. Ohlwein, 2013: Pattern based statistical downscaling of East Asian Summer Monsoon precipitation, Tellus A, 65, No.19749, DOI: 10.3402/tellusa.v65i0.19749

Brienen, S., A. Kapala, H. Mächel, and C. Simmer, 2013: Regional centennial precipitation variability over Germany from extended observation records. International Journal of Climatology, 33, 9, p. 2167–2184, DOI:10.1002/joc.3581.

Zolina, O., C. Simmer, K. Belyaev, S. K. Gulev, and P. Koltermann, 2013: Changes in the duration of European Wet And Dry Spells During The Last 60 Year. Journal of Climate, 26, 6, p.2022-2047.

Lindau, R. and C. Simmer, 2013: On Correcting Precipitation as Simulated by the Regional Climate Model COSMO-CLM with Daily Rain Gauge Observations. Meteorology and Atmospheric Physics,119, 1-2, p.31-42, DOI: 10.1007/s00703-012-0215-7

Book Contributions

Herget, J., A. Kapala, M. Krell, E. Rustemeier, C. Simmer, and A. Wyss, 2013: Neues zur Magdalenenflut vom Juli 1342. in: Die Thuringische Sintflut von 1613, S.77-106, Schriften der DWhG, Band 22, Siegburg 2014, ISBN 978-3-86948-306-1.

C. Simmer, 2013: Warum vier Jahreszeiten - die klimatologische Perspektive. In: T. Greub (Ed.) “Das Bild der Jahreszeiten im Wandel der Kulturen und Zeiten”, MORPHOMATA, p.49-56, ISBN 978-3-7705-5527-7

2012

Reviewed Articles

Hense, A., M. Masbou, and C. Simmer, 2012 Papers from the DACH 2010 conference at Bonn. Meteorologische Zeitschrift, 21, 3, p.211-212, DOI: 10.1127/0941-2948/2012/0529

Saavedra, P., A. Battaglia, and C. Simmer, 2012: Partitioning of cloud and rain water content by ground-based observations with the radiometer ADMIRARI in synergy with a micro rain radar. Journal of Geophysical Research - Atmospheres, 117, D05203, 18pp., doi:10.1029/2011JD016579

Schomburg, A.,V. Venema, R.Lindau, F. Ament, and C. Simmer, 2012: Disaggregation of screen-level variables in a numerical weather prediction model with an explicit simulation of subgrid-scale land-surface heterogeneity. Meteorology and Atmospheric Physics, doi: 10.1007/s00703-012-0183-y, 116, no. 3-4, pp. 81-94.

Trömel, S. and C. Simmer, 2012: An object-based approach for areal rainfall estimation and validation of atmospheric models. Meteorology and Atmospheric Physics, 115, p.139-151, DOI 10.1007/s00703-011-0173-5

Schomburg, A., V. Venema, F. Ament, and C. Simmer, 2012: Application of an adaptive radiative transfer scheme in a mesoscale numerical weather prediction model. Quarterly Journal of the Royal Meteorological Society, 138, p. 91–102, doi: 10.1002/qj.890.

Others

Aßheuer, T., Salingre, A., Thiele-Eich, I., Braun, B., and C. Simmer, 2012: Natural Hazards and Climate Change in Dhaka: Future Trends, Social Adaptation and Informal Dynamics. In: Islam, M.M., Zingel, W.-P. (Hrsg.), Climate Change Effects and Energy Development (CCE). Bangladesh Environment Network (BEN) Germany, Bonn, 132-136.

2011

Reviewed Articles

Urhausen, S., S. Brienen, A. Kapala, and C. Simmer, 2011: Must quality estimation based on climate data in the Upper Moselle region. Meteorologische Zeitschrift,20, p.479-486, DOI:10.1127/0941-2948/2011/0247

Borowska, L. D. Zrnic, A. Ryzhkov, P. Zhang and C. Simmer, 2011: Polarimetric estimates of a one month accumulation of light rain with a 3-cm wavelength radar, Journal of Hydrometeorology, 12, 5, 1024-1039,(doi: 10.1175/2011JHM1339.1)

Kneifel, S., M. Maahn, G. Peters und C. Simmer, 2011: Observation of snowfall with a low-power FM-CW K-band radar (Micro Rain Radar), Meteorology and Atmospheric Physics, 113, p. 75-87

Battaglia, A., P. Saavedra, C. A. Morales, and C. Simmer, 2011: Understanding 3D effects in polarized observations with the ground-based ADMIRARI radiometer during the CHUVA campaign. Journal of Geophysical Research,116, D09204, doi:10.1029/2010JD015335

Urhausen, S, S. Brienen, A. Kapala, and C. Simmer, 2011: Climatic conditions and their impact on viticulture in the Upper Moselle region. Climatic Change, 109, p.349-373, DOI:10.1007/s10584-011-0059-z

Borowska, L., A. Ryzhkov, D. Zrnic, C. Simmer, R. Palmer, 2011: Attenuation and differential attenuation of five cm wavelength radiation in melting hail. Journal of Climate and Applied Meteorology,50, 1, 59-76, DOI 10.1175/2010JAMC2465.1

Others

Schüttemeyer, D. and C. Simmer, 2011: Uncertainties in weather forecast – reasons and handling. – In: Schumann, A.H. (Editor): Hydrology for Flood Risk Assessments and Management. – Springer-Publishing Company, Germany.

2010

Reviewed Articles

Vereecken, H., S. Kollet, and C. Simmer, 2010: Patterns in Soil –Vegetaion–Atmosphere Systems: Monitoring, Modeling, and Data Assimilation. Vadose Zone Journal, 9, p.821–827, doi:10.2136/vzj2010.0122

Maraun, D. F. Wetterhall, A. M. Ireson, R. E. Chandler, E. J. Kendon, M. Widmann, S. Brienen, H. W. Rust, T. Sauter, M. Themeßl, V. K. C. Venema, K. P. Chun, C. M. Goodess, R. G. Jones, C. Onof, M. Vrac, I. Thiele-Eich, 2010: Precipitation downscaling under climate change. Recent developments to bridge the gap between dynamical models and the end user. Reviews in Geophysics, 48, RG3003, doi: 10.1029/2009RG000314.

Schomburg, A., V. Venema, R. Lindau, F. Ament, and C. Simmer, 2010: A downscaling scheme for atmospheric variables to drive soil-vegetation-atmosphere transfer models. Tellus, 62, 4, p.242-258, doi 10.1111/j.1600-0889.2010.00466.x.

Kollet, S. J., R. M. Maxwell, C. S. Woodward, S. Smith, J. Vanderborght, H. Vereecken, and C. Simmer,2010: Proof of concept of regional scale hydrologic simulations at hydrologic resolution utilizing massively parallel computer resources. Water Resourses Research, 46, W04201, doi:10.1029/2009WR008730.

Zolina, O., C. Simmer, S. Gulev, and S. Kollet, 2010: Changing Structure of European Precipitation: Longer Wet Periods Leading to More Abundant Rainfalls. Geophysical Research Letters, 37, doi:10.1029/2010GL042468.

Venema, V., S. Gimeno García, and C. Simmer, 2010: A new algorithm for the downscaling of cloud fields. Quart. J. Royal. Meteorol. Soc., 136, no. 646, pp. 91-106, doi: 10.1002/qj.535.

Battaglia, A., P. Saavedra, T. Rose, and C. Simmer, 2010: Characterization of precipitating clouds by ground-based measurements with the triple-frequency polarized microwave radiometer ADMIRARI, Journal of Applied Meteorology and Climatology, 49,3, p.394-414.

Koner, P., A. Battaglia, and C. Simmer, 2010: A Rain Rate retrieval algorithm for Attenuating Radar Measurement. Journal of Applied Meteorology and Climatology, 49, 3, p.381-393, DOI: 10.1175/2009JAMC2279.1.

Battaglia, A., E. Rustemeier, A. Tokay, U. Blahak and C. Simmer, 2010: PARSIVEL Snow Observations: A Critical Assessment, Journal of Atmosperic and Oceanographic Technology, 27(2),p333–344 DOI: 10.1175/2009JTECHA1332.1.

Battaglia, A. S. Tanelli, S. Kobayashi, D. Zrnic, R.J. Hogan, and C. Simmer, 2010: Multiple-scattering in radar systems: a review. J. Quant. Spec. Rad. Transf., 111 (6), p.917-947, doi:10.1016/j.jqsrt.2009.11.024

Others

Diederich, M. and C. Simmer, 2010: Weather and climate monitoring in Benin. In: Speth, P., M. Christoph, and B. Diekkrüger (Eds.), Impacts of Global Change on the Hydrological Cycle in West and Northwest Africa, Springer Verlag, DOI 10.1007/978-3-642-12957-5.

Grasselt, R., K. Warrach, F. Ament, and C. Simmer, 2010: Influence of drainage parameterization and precipitation analysis on discharge simulation in the Sieg river catchment. In: Landform - Structure, Evolution, Process Control, J.-Ch. Otto and R. Dikau (Eds.), Springer-Verlag, ISBN 978-3-540-75761-0, p.101-115.

2009

Reviewed Articles

Trömel, S., C. Simmer, J. Braun, T. Gerstner and M. Griebel: Towards the use of Integral Radar Volume Descriptors for quantitative areal precipitation estimation - results from pseudo-radar observations. Journal of Atmospheric and Oceanic Technology-A, 26,9 ,p.1798-1813, DOI 10.1175/2009JTECHA1203.1, 2009

Matrosov, S. and A. Battaglia: Influence of multiple scattering on CloudSat measurements in snow: A model study, Geophysical Research Letters , 36,(L12806), doi:10.1029/2009GL038704, 2009.

Deneke, H.M., W. H. Knap, and C. Simmer: Multiresolution Analysis of the Temporal Variance and Correlation of Transmittance and Reflectance of an Atmopheric Column, Journal of Geophysical Research-Atmospheres, 114, Article Number D17206, 2009

Zolina, O., C. Simmer, K. Belyaev, A. Kapala, and S. Gulev: Improving Estimates of Heavy and Exteme Precipitation Using Daily Records from European Rain Gauges. Journal of Hydrometeorology, 10 (3), p.701–716., 2009.

Battaglia, A., P. Saavedra, C. Simmer and T. Rose: Rain observations by a multi-frequency dual polarized radiometer, IEEE Geoscience and Remote Sensing Letters, 6, No. 2, 354-358, 2009.

Others

Köstner, B.,h. Bernhofer, J. Anter, M. Berg, J. Franke, H. Gömann, K. Chh. Kersebaum, P. Kreins, M. Kuhnert, R. Lindau, R. Manderscheid, H.-Th. Mengelkamp, W. Mirschel, C. Needel, E. Nozinski, M. Richwien, A. Pätzold, C. Simmer, R. Stonner, H.-J- Weigel, K.-O. Wenkel, and R. Wieland , 2009: Anpassung ländlicher Räume an regionale Klimaänderungen - die Wissensplattform LandCaRe-DSS. In Klimaschutz und Anpassungen an die Klimafolgen - Strategien, Maßnahmen und Anwendungsbeispiele, M. Mahammadzadeh, H. Biebeler und H. Bardt (Hrsg.), Institut der Deutschen WEirtschaft Köln Medien GmbH, ISBN 978-3-602-14847-9, S.295-302.

Roth, R., A. Krämer, Ch. Schneider, B. Weitzenkamp, T. Sauter, C. Simmer, and H. Wilker, 2009: GIS-KliSchee - Anpassungen des Wintersporttourismus in den deutschen Mittelgebirgen und Witterungsvariabilität. In Klimaschutz und Anpassungen an die Klimafolgen - Strategien, Maßnahmen und Anwendungsbeispiele, M. Mahammadzadeh, H. Biebeler und H. Bardt (Hrsg.), Institut der Deutschen WEirtschaft Köln Medien GmbH, ISBN 978-3-602-14847-9, S.263-270

Simmer, C.: Klimawandel - Wahrnehmung, Beobachtung, Modelle, in Klimawandel - Konsequenzen für die landwirtschaftliche Nutztierhaltung, S. 1-13, Band 158 der Schriftenreihe des Lehr- und Forschungsschwerpunktes “Umweltverträgliche und Standortgerechte Landwirtschaft”, Rheinische Friedrisch-Wilhelms-Universität Bonn, ISSN0943-9684, 2009.

Bachner, S. and C. Simmer (2009): Aspects of Regional Climate Modelling with Focus on Precipitation. In: Regional Aspects of Climate-Terrestrial-Hydrologic Interactions in Non-boreal Eastern Europe, Selected Papers at the Joint Northern Eurasia Earth Science Partnership Initiative (NEESPI) and the NATO Advanced Research Workshop on Regional Aspects of Climate-Terrestrial-Hydrologic Interactions in Eastern Europe Odessa, Ukraine 23-28 August 2008, NATO Science for Peace and Security Series, Groisman, P. Y. and S. Ivanov (Eds.), 87-94, doi: 10.1007/978-90-481-2283-7_10.

Mächel, H., A. Kapala, J. Behrendt, und C. Simmer: Rettung historischer Klimadaten in Deutschland: das KLIDADIGI-Projekt des DWD. In: Klimastatusbericht 2008, Deutscher Wetterdienst, p.103-118, ISSN 1437-7691, ISSN 1616-5063 (Internet), ISBN 978-3-88148-441-1.

2008

Reviewed Articles

Milan, M., V. Venema, D. Schüttemeyer, and C. Simmer, 2008: Assimilation of Radar and Satellite Data in Mesoscale Models: a physical initialisation scheme. Meteorologische Zeitschrift, 17, No. 6, pp. 887-902, doi: 10.1127/0941-2948/2008/0340.

Tokay, A., P. Hartmann, A. Battaglia, K.S. Cage, W. L. Clark, and C.R. Williams, 2008: A field study of reflectivity and Z-R relations using vertically pointing radars and disdrometers. Journal of Atmospheric and Oceanic Technology, 26(6),1120-1134, DOI: 10.1175/2008JTECHA1163.1.

Hogan, R., Battaglia, A., 2008: Fast lidar and radar multiple-scattering models: Part 2: Wide-angle scattering using the time-dependent two-stream approximation. Journal of Atmospheric Science, 65, 3636-3651.

Battaglia, A., J. Haynes, T. L'Ecuyer, and C. Simmer, 2008: Identifying multiple-scattering-affected profiles in CloudSat observations over the Oceans. Journal of Geophysical Research, 113, D00A17, doi:101029/2008JD009960.

Matrosov, S., Battaglia, A., Rodriguez, P., 2008: Effects of multiple scattering on attenuation-based retrievals of stratiform rainfall from CloudSat. Journal of Atmospheric and Oceanic Technology, 25, Vol.12, p2199-2208, DOI: 10.1175/2008JTECHA1095.1

Graßelt, R., D. Schüttemeyer, K. Warrach-Sagi, F. Ament, and C. Simmer: Validation of TERRA-ML with discharge measurements. Meteorologische Zeitschrift,Vol. 17, No. 6., pp. 763-773, 2008

Warrach-Sagi, K., V. Wulfmeyer, R. Graßelt, F. Ament, and C. Simmer: Coupled simulations of the land surface model TERRA-ML with a river routing scheme reveal the impact of the soil parameterization on the water balance. Meteorologische Zeitschrift, Vol. 17, No. 6., pp. 751-762, 2008

Rust, H., O. Mestre, and V. Venema: Less jumps, less memory: homogenized temperature records and long memory. JGR-Atmospheres, 113, D19110, doi:10.1029/2008JD009919, 2008.

Moene, F. Arnold and Dirk Schüttemeyer, The effect of surface heterogeneity on the temperature-humidity correation and the relative transport efficiency. Boundary-Layer Meteorology, DOI 10.1007/s10546-008-9312-z, 2008

Battaglia, A., and C. Simmer: How does multiple scattering affect the spaceborne W-band radar measurements at ranges close to and crossing the surface-range? IEEE Transactions on Geoscience and Remote Sensing, 46, 6, 1644-1651, 2008.

Ivanov, S., C. Simmer, J. Palamarchuk and S. Bachner: Estimation of the systematic error of precipitation and humidity in the MM5 model. Advances of Geoscience, 16,97-107, 2008.

Bachner, S., A. Kapala and C. Simmer: Evaluation of precipitation characteristics in the CLM and their sensitivity to parameterizations. Meteorologische Zeitschrift, 17, 407-420, 2008, DOI: 10.1127/0941-2948/2008/0300.

Ebell, K., S. Bachner, A. Kapala and C. Simmer: Sensitivity of summer precipitation simulated by the CLM with respect to initial and boundary conditions. Meteorologische Zeitschrift, 17, 421-432, 2008, DOI: 10.1127/0941-2948/2008/0305.

Battaglia, A.; S. Kobayashi, S. Tanelli, C. Simmer, and E. Im: Multiple Scattering Effects in Pulsed Radar Systems: An Intercomparison Study. Journal of Atmospheric and Oceanic Technology, 25, 1556-1567,DOI: 10.1175/2008JTECHA1023.1.

Trömel, S. and C.-D. Schönwiese: Robust trend estimation of observed German precipitation. Theoretical and Applied Climatology, 93, 107-115, 2008.

Deneke, H., R. Roebeling and A. Feijt: Estimating surface solar irradiance from METEOSAT SEVIRI derived cloud properties. Remote Sensing of Environment, 112(6), 3131-3141, 2008. DOI:10.1016/j.rse.2008.03.012 http://dx.doi.org/10.1016/j.rse.2008.03.012

Roebeling R., H. Deneke and A. Feijt: Validation of cloud liquid water path retrievals from METEOSAT SEVIRI derived cloud properties. Journal of Applied Meteorology and Climatology, 47(1), 206-222, 2008. DOI: 10.1175/2007JAMC1661.1 http://dx.doi.org/10.1175/2007JAMC1661.1

Schulz, J., H. Deneke, et al.: Operational climate monitoring from space: the EUMETSAT satellite application facility on climate monitoring (CM-SAF) Atmospheric Chemistry and Physics Discussion, 8(3), 8517-8563, 2008.

Wulfmeyer V.; Behrendt, A.; Bauer, H.-S.; Kottmeier, C.; Corsmeier, U.; Adrian, G.; Blyth, A.; Craig, G.; Schumann, U.; Hagen, M.; Crewell, S.; Di Girolamo, P.; Flamant, C.; Miller, M.; Montani, A.; Mobbs, S.; Richard, E.; Rotach, M.; Arpagaus, M.; Russchenberg, H.; Schluessel, P.; König, M.; Gärtner, V.; Steinacker, R.; Dorninger, M.; Turner, D.D.; Weckwerth, T.; Hense, A.; Simmer, C.: The Convective and Orographically-induced Precipitation Study: A Research and Development Project of the World Weather Research Program for Improving Quantitative Precipitation Forecasting in Low-mountain Regions Bulletin of the American Meteorological Society, DOI 10.1175/2008BAMS2367.1, 2008

Zolina, O., C. Simmer, A. Kapala, S. Bachner, S. Gulev, and H. Maechel (2008): Seasonally dependent changes of precipitation extremes over Germany since 1950 from a very dense operational network. Journal of Geophysical Research, 113, D06110, doi:10.1029/2007JD008393.

Others

Simmer, C., 2008: Gedanken zur Zukunft der meteorologischen Forschung in Deutschland. Annalen der Meteorologie, 43, p. 34-39, ISSN 0072-4111, ISBN 978-3-88148-433-6.

2007

Reviewed Articles

Venema, V., A. Schomburg, F. Ament, and C. Simmer, 2007: Two adaptive radiative radiative transfer schemes for numerical weather prediction models, Atmospheric Chemistry and Physics, 7, 5659-5674, 2007.

Ogunjobi, K. O., Z. He, and C. Simmer: Spectral aerosol optical properties from AERONET Sun-Photometric measurements over West Africa, accepted for publication by Atmospheric Research (2007), doi:10.1016/j.atmosres.2007.10.004.

Schmidt, S., V. Venema, F. Di Giuseppe, R. Scheirer, M. Wendisch, and P. Pilewski: Reproducing cloud microphysics and irradiance measurements using three 3D cloud generators. Q.J.R. Meteorol. Soc., 133, 765–780, 2007.

Battaglia, A., M. Ajewole, and C. Simmer: Evaluation of radar multiple scattering effects in CloudSat configuration. Atmospheric Chemistry and Physics,7, 1719-1730, SRef-ID: 1680-7324/acp/2007-7-1719, 2007.

Thiele, A., Ament, F., and C. Simmer: Evaluation and Calibration of a Microwave Emission Model using the Southern Great Plains 1999 Experiment data set. Meteorologische Zeitschrift, 16, No. 2, 149-158, 2007.

Battaglia, A. and C. Simmer: Explaining the polarization signal from rain dichroic media. J. Quantitative Spectroscopy and Radiative Transfer, 105(1), 84-101, 2007.

Battaglia, A., C. Davis, C. Emde and C. Simmer: Microwave radiative transfer intercomparison study for 3-D dichroic media. J. Quantitative Spectroscopy and Radiative Transfer, 105(1), 55-67, 2007.

Others

Bachner, S., A. Kapala and C. Simmer (2007): Estimation of trends in rainfall extremes as important input parameters for flood risk assessment, in: Reducing the Vulnerability of Societies to Water Related Risks at the Basin Scale, Proceedings of the third International Symposium on Integrated Water Resources Management, Bochum, Germany, September 2006, IAHS Publications, Vol. 317, 319-324.

Trömel, S., C. Simmer: Radarvolumendeskriptoren für eine bessere Niederschlagsschätzung. Poster presented at AK Klima 2007, Freiburg, Germany, 2-4 November 2007.

Trömel, S., C. Simmer: Radarvolumendeskriptoren von Niederschlagszellen zur quantitativen Niederschlagsschätzung. Paper presented at the proceedings of DACH (2007).

Trömel, S.: AQUARadar- Verbesserung der quantitativen Niederschlagsschätzung mit Regenradaren. Mitteilungen der Deutschen Meteorologische Gesellschaft, 3, 5-7, 2007.

Trömel, S., C. Simmer: Radarvolumendeskriptoren von Niederschlagszellen zur quantitativen Niederschlagsschätzung. Kurzfassungen der Meteorologentagung DACH, 1, DACH2007-A-00283, 2007.

Trömel, S., C. Simmer: Integral Radar Volume Descriptors. Geophysical Research Abstracts, 9, 2007..

2006

Reviewed Articles

Lindau, Ralf: The elimination of spurious trends in marine wind data using pressure observations, International Journal of Climatology, 26 (6), 797-817, 2006.

Battaglia, A., C. Simmer, and H. Czekala: Three dimensional effects in polarization signatures as observed from precipitating clouds by low frequency ground-based microwave radiometers. Atmospheric Chemistry and Physics, 6, 4383–4394, 2006.

Venema, Victor, Susanne Bachner, Henning Rust, and Clemens Simmer: Statistical characteristics of surrogate data based on geophysical measurements. Nonlinear Processes in Geophysics, 13, pp. 449-466, 2006.

Venema, Victor, Felix Ament, and Clemens Simmer: A Stochastic Iterative Amplitude Adapted Fourier Transform Algorithm with improved accuracy. Nonlinear Processes in Geophysics, 13, no. 3, pp. 247-363, 2006.

Battaglia, A., M. O. Ajewole, and C. Simmer: Evaluation of radar multiple scattering effects on a GPM perspective. Part I: Model description and validation. Journal of Applied Meteorology and Climatology, 45(12), 1634–1647, 2006.

Battaglia, A., M. O. Ajewole, and C. Simmer: Evaluation of radar multiple scattering effects on a GPM perspective. Part II: Model results. Journal of Applied Meteorology and Climatology, 45(12), 1648–1664, 2006.

Ament, F. and C. Simmer, 2006: Improved Representation of Land-Surface Heterogeneity in a Non-Hydrostatic Numerical Weather Prediction Model. Boundary-Layer Meteorology,121(1), 153-174, DOI 10.1007/s10546-006-9066-4.

Mengelkamp, H.-T., F. Beyrich, G. Heinemann, F. Ament, J. Bange, F. Berger, J. Bösenberg, T. Foken, B. Hennemuth, C. Heret, S. Huneke, K.-P. Johnsen, W. Kohsiek, J.-P. Leps, C. Liebethal, H. Lohse, M. Mauder, W. Meijninger, S. Raasch, C. Simmer, T. Spiess, A. Tittebrand, J. Uhlenbrock, P. Zittel: Evaporation over a heterogeneous land surface: The EVA_GRIPS project. Bulletin of the American Meteorological Society, DOI:10.1175/BAMS-87-6-775, 775-786, 2006.

Venema, V., St. Meyer, S. Gimeno Garcia, A. Kniffka, C. Simmer, S. Crewell, U. Loehnert, Th. Trautmann, and A. Macke: Surrogate cloud fields generated with the Iterative Amplitude Adapted Fourier Transform algorithm. Tellus, 58A, no 1, pp. 104-120, 2006.

Scholl, T.,K. Pfeilsticker, A. B. Davis, H. Klein Baltink, S. Crewell, U. Löhnert, C. Simmer, J. Meywerk, and M. Quante: Path length distributions for solar photons under cloudy skies: Comparison of measured first and second moments with predictions from classical and anomalous diffusion theories. Journal of Geophysical Research, 111(D12), D1221110.1029/2004JD005707, 2006.

Wilker, H., M. Drusch, G. Seuffert, and C. Simmer: Effects of the near-surface soil moisture profile on the assimilation of L-band microwave brightness temperatures. Journal of Hydrometeorology, 7(3), 433ff, 2006.

Others

Meetschen, D., C. Simmer, K. Walbeck, R.-D. Paul, U. Kern, O. Buchholz: Einsatz des Bonner Wetterradars als Hochwasserwarninstrument in den Einzugsgebieten von Agger und Erft. Niederschlag-Abfluss-Modellierung zur Verlängerung des Vorhersagezeitraumes operationeller Wasserstands- und Abflussvorhersagen, Kolloquium am 27. September 2005 an der Budesanstalt für Gewässerkunde in Koblenz, 2006.

Rudolf, B. and C. Simmer: Niederschlag, Starkregen und Hochwasser. In:Expedition Erde, Wissenswertes und Spannendes aus den Geowissenschaften (Hrs. G. Wefers, in Auftrag der Geounion - Alfred-Wegener-Stiftung), 2. Auflage, 256-265, 2006.

Battaglia, A., C. Simmer, S. Crewell, H. Czekala, C. Emde, F. Marzano, M.I. Mischenko, J. R. Pardo, and C. Prigent: Emission and scattering by clouds and precipitation, Chapter 3 (p.101-223) in Mätzler, C., (eds.), “Thermal Microwave Radiation - Applications for Remote Sensing”, IET Electromagnetic Waves Series 52, London, UK, 2006.

Kapala, A., S. Bachner, H. Mächel, O. Zolina und C. Simmer (2006): Niederschlagsvariabilität während der letzten 100 Jahre in Deutschland. Teil II: Räumliche Differenzierung der Variabilität der Starkniederschläge. 7. Deutsche Klimatagung, 9.-11. Oktober, München, extended abstract, 3 pp.

Bachner, S., A. Kapala und C. Simmer (2006): Niederschlagsvariabilität während der letzten 100 Jahre in Deutschland. Teil III: Zeitskalen der Variabilität hydrometeorologischer Größen. 7. Deutsche Klimatagung, 9.-11. Oktober, München, extended abstract, 3 pp.

2005

Reviewed Articles

Lindau, R. and C. Simmer, 2005: Derivation of a root zone soil moisture algorithm and its application to validate model data. Nordic Hydrology, 36, 335-348.

Battaglia, A., M.O. Ajewole and C. Simmer, 2005: Multiple scattering effects due to hydrometeors on precipitation radar systems. Geophysical Research Letters, 32, L19801, DOI:10.1029/2005GL023810.

Zolina, O., C. Simmer, A. Kapala, S. Gulev, 2005: On the robustness of the estimates of centennial-scale variability in heavy precipitation. Geophysical Research Letters, 32, L14707, doi:10.1029/2005GL023231.

Deneke, H. , A. Feijt, A. van Lammeren, and C. Simmer, 2005: Validation of a Physical Retrieval Scheme of Solar Surface Irradiances from Narrow-Band Satellite Radiances. Journal of Applied Meteorology, 44, 9, 1453-1466.

Rose, Th., S. Crewell, U. Loehnert, and C. Simmer, 2005: A network suitable microwave radiometer for operational monitoring of the cloudy atmosphere. Atmospheric Research, 75 (3), 183-200.

Zolina, O., C. Simmer, A. Kapala, and S. Gulev, 2005: Use of indices in characterizing precipitation extremes: a Europen example. GEWEX Newsletter, May 2005, 5-6.

Others

Fischer, J. and C. Simmer, 2005: Satellite Applications. BALTEX PHASE I 1993-2002, State of the Art Report (Eds. D. Jacob and A. Omsted), International BALTEX Secretariat, ISSN 168-6471, Publication No. 31, 99-109.

Meetschen, D., C. Simmer, und L. Scheuer, 2005: Warnung vor Starkniederschlägen mittels Niederschlagsradar. Entscheidungsunterstützung in der Wasserwirtschaft - Von der Theorie zum Anwendungsfall, Beiträge zum Tag der Hydrologie 2005, 22./23. März, 2005, Aachen, Forum für Hydrologie und Wasserbewirtschaftung, Heft 10.05 (ISSN 3-937758-68-2), 209-216.

Simmer, C.,V. Venema, S. Crewell, M. Wendisch, Se. Schmidt, M. Schröder, J. Fischer, K. Pfeilsticker, T. Scholl, J. Meywerk, B. Rockel, S. Gimeno Garcia, M. Jerg, T. Trautmann, A. Macke, S. Meyer, M. Schewski, F. H. Berger, and K. Barfus, 2005: 4D-CLOUDS: Inhomogeneous clouds. In R. Winkler (Editor), Results of the German Atmospheric Research Programme - AFO 2000, BMBF, TZ Verlag, Roßdorf, p195-202.

2004

Reviewed Articles

Zolina, O., A. Kapala, C. Simmer, and S. Gulev: Analysis of extreme precipitation over Europe from different reanalysis: a comparative assessment. Global and Planetary Change, 44, 129-161, 2004.

Löhnert, U. , S. Crewell, and C. Simmer: An integrated approach towards retrieving physically consistent profiles of temperature, humidity, and cloud liquid water. Journal of Applied Meteorology, 43, 1295-1307, 2004

Crewell, S., C. Simmer, F. Ament, U. Löhnert, V. Venema, A. Feijt, E. van Meijgaard, A. van Lammeren, H. Bloemink, D. Jolivet, M. Wendisch, E. Jäkel, S. Schmidt, M. Schröder, Th. Ruhtz, J. Fischer, U. Willen, C. Jones, M. Quante, J. Meywerk, D. Nagel, O. A. Krasnov, Th. Trautmann, S. Garcia, A. Macke, K. Pfeilsticker, Th. Scholl, F. Berger, K. Barfuss: The BALTEX Bridge Campaign - An integrated approach for a better understanding of clouds. Bulletin of the Amererican Meteorological Society, 85(10), 1565-1584, 2004 doi: 10.1175/BAMS-85-10-1565

Meetschen, D., B. J. J. M. van den Hurk, F. Ament, M. Drusch: Optimized Surface Radiation Fields Derived from Meteosat Imagery and a Regional Atmospheric Model. Journal of Hydrometeorology, 5(6), 1091–1101, 2004, doi: 10.1175/JHM-389.1.

Seuffert G., H. Wilker, P. Viterbo, M. Drusch, J. Mahfouf: The Usage of Screen-Level Parameters and Microwave Brightness Temperature for Soil Moisture Analysis. Journal of Hydrometeorology, 5(3), 516ff, 2004.

Drusch, M., E. F. Wood, H. Gao, and A. Thiele: Soil moisture retrieval during the Southern Great Plains Hydrology Experiment 1999: A comparison between experimental remote sensing data and operational products. Water Resources Research, 40, W02504, doi:10.1029/2003WR002441.

others

Ament, F., S. Crewell, and C. Simmer: Impact of horizontal model resolution on cloud parameters forecasted by a non-hydrostatic mesoscale model. Proceedings of the 14th International Conference on Clouds and Precipitation, Bologna, 19-23 July, 2004, 1883-1886, 2004.

Diederich, M., C. Simmer, S. Crewell, and R.Uijlenhoet: Investigation of rainfall microstructure and variability using vertically pointing rain radars and disdrometer. ERAD Publication Series, Vol. 2, ISBN 3-936586-29-2, 80-86, 2004.

Simmer, C., V. Venema, M. Diederich, S. Crewell, M. Schröder, A. Feijt, and J.-L. Brenguier: The BALTEX Bridge Campaigns - a Quest for Continental Cloud Structures. Proceedings of the 14th International Conference on Clouds and Precipitation, Bologna, 19-23 July, 2004, 1742-1745, 2004.

van Meijgaard, E., S. Crewell, A. Fejt, and C. Simmer: Review of major CLIWA-NET results. Conference Proceedings of the 4-th Study Conference on BALTEX, Publication No. 29, International BALTEX Secretariat, ISSN 1681-6471, 6-7, 2004.

Lindau, R. and C. Simmer: A Continental Scale Soil Moisture Retrieval Algorithm, its Derivation and its Application to Model Data. Conference Proceedings of the 4-th Study Conference on BALTEX, Publication No. 29, International BALTEX Secretariat, ISSN 1681-6471, 12-13, 2004

Venema, V., St. Meyer, S.Gimeno Garcia, C. Simmer, S. Crewell, U. Löhnert, and Th. Trautmann: IIterative amplitude adapted fourier transform surrogate cloud fields. Proceedings of the 14th International Conference on Clouds and Precipitation, Bologna, 19-23 July, 2004, 1761-1764, 2004

Zolina, O., A. Kapala, C. Simmer, and S. Gulev: Analysis of extreme precipitation over Europe from different reanalysis: a comparative assessment. Proceedings of the 14th International Conference on Clouds and Precipitation, Bologna, 19-23 July, 2004, 350-353., 2004

Zolina, O., A. Kapala, C. Simmer, and S. Gulev: Interannual changes in heavy precipitation in Europe from Station and NWP data. Conference Proceedings of the 4-th Study Conference on BALTEX, Publication No. 29, International BALTEX Secretariat, ISSN 1681-6471, 122-123, 2004

Mengelkamp, H.-T. and the EVA-GRIPS Team: EVA-GRIPS - Regional evaporation at grid and pixel scale over heterogeneous land surfaces. Conference Proceedings of the 4-th Study Conference on BALTEX, Publication No. 29, International BALTEX Secretariat, ISSN1681-6471, 35-36, 2004

2003

Reviewed Articles

Lindau, Ralf: Errors of Atlantic Air-Sea Fluxes Derived from Ship Observations, Journal of Climate, 16 No.4, 783-788, 2003.

Seuffert, G., H. Wilker, P. Viterbo, J. F. Mahfouf, M. Drusch, and J. C. Calvet: Soil moisture analysis combining screen-level parameters and microwave brightness temperature: A test with field data. Geophysical Resarch Letters, 30 (10), Article Number 1498, DOI: 10.1029/2003GL017128, 2003.

Others

Neugebauer, H. and C. Simmer (Eds.): Dynamics of Multiscale Earth Systems. Lecture Notes in Earth Sciences, Springer Verlag, 357p, 2003.

Raschendorfer, M., C. Simmer and P. Gross: Parameterisation of turbulent transport in the atmosphere. In: Neugebauer and Simmer (Eds.), Dynamics of Multiscale Earth Systems. Lecture Notes in Earth Sciences, Springer Verlag, 167-185, 2003.

Steinhorst, H., C. Simmer, and H.-D. Schilling: A statistical-dynamic analysis of precipitation data with high temporal resolution. In: Neugebauer and Simmer (Eds.), Dynamics of Multiscale Earth Systems. Lecture Notes in Earth Sciences, Springer Verlag, 337-350, 2003.

Venema, V., S. Crewell and C. Simmer: Surrogate cloud fields with measured cloud properties: 6th Int. Symp. on Tropospheric Profiling:Needs and Technologies, Leipzig, 14-20 September, pp. 303-305, 2003

2002

Reviewed Articles

Lindau, R.: Energy and water balance of the Baltic Sea derived by merchant ship observations, Boreal Environment Research, 7 No.4, 417-424, 2002.

Czekala, H. and C. Simmer: On precipitation induced polarization of microwave radiation measured from space. Meteorologische Zeitschrift, 11, 49-60, 2002.

Seuffert, G., P. Gross, C. Simmer, and E.F. Wood: The influence of hydrologic modeling on the predicted local weather: Two-way coupling of a mesoscale weather prediction model and a land surface hydrologic model. Journal of Hydrometeorology, 3, 505-523, 2002.

Gerstner, T., D. Meetschen, S. Crewell, M.Griebel, and C. Simmer: A case study on multi-resolution visualization of local rainfall from weather radar measurements. Proceedings IEEE Visualization, 533-536, Eds. Pfister, H. and M. Bailey, IEEE Computer Society Press, 2002.

Löhnert, U., G. Feingold, A. S. Frisch, M. Shupe, and T. Uttal: Analysis of two independent methods for retrieving liquid water profiles in spring and summer Arctic boundary clouds. J. Geophys. Res., 108(D7), 4219, 2002, doi:10.1029/2002JD002861.

Löhnert, U. and S. Crewell: Accuraccy of cloud liquid water path from ground-based microwave radiometry, 1. Dependency on cloud model statistics. Radio Science, 38(3), 8041, 2002, doi:10.1029/2002RS002654

Crewell, S. and U. Löhnert: Accuraccy of cloud liquid water path from ground-based microwave radiometry, 2. Sensor accuracy and synergy. Radio Science, 38(3), 8042, 2002, doi:10.1029/2002RS002634

Others

Simmer, C., 2002: Inhomogeneous Clouds, their influence on Radiation, Weather and Climate. In AFO 2000 Newsletter, No.1, BMBF, p11-14.

Lindau, R., C. Simmer, and T. Mikhnevich, 2002: Soil Moisture Detection from Satellite. BALTEX Newsletter, 4, 11-13.

Kapala A., H. Mächel, and C. Simmer, 2002: The North Atlantic Oscillation (NAO) in context of the global circulation. Geophysical Research Abstracts, Vol. 4, EGS 27th General Assembly, Nice, April 2002, Section OA23.02 (EGS02-A-06536; OA23.02-1TH5P-114).

Mächel H., A. Kapala, and C. Simmer, 2002: On a hypothetical mechanism of the North Atlantic Oscillation (NAO) variability in winter. Geophysical Research Abstracts, Vol. 4, EGS 27th General Assembly, Nice, April 2002, Section OA23.02 (EGS02-A-06550; OA23.02-1TH5P-110).

2001

Reviewed Articles

Czekala, H., S. Crewell, C. Simmer, A. Thiele, A. Hornbostel, and A. Schroth: Interpretation of polarization features in ground based microwave observations as caused by horizontally aligned oblate rain drops. Journal of Applied Meteorology, 40, 1918-1932, 2001.

Löhnert, U., S. Crewell, A. Macke, and C. Simmer: Profiling cloud liquid water by combining active and passive microwave measurements with cloud model statistics. Journal of Atmospheric and Oceanic Technology, 18(8), 1354-1366, 2001.

Czekala, H., S. Crewell, C. Simmer, and A. Thiele: Discrimination of cloud and rain liquid water path by groundbased polarized microwave radiometry. Geophysical Research Letters, 28, 267-270, 2001.

Crewell, S., H. Czekala, U. Löhnert, C. Simmer, Th. Rose, R. Zimmermann, and R. Zimmermann: Microwave Radiometer for Cloud Carthography: A 22-channel ground-based microwave radiometer for atmospheric research. Radio Science, 36, 621-638, 2001.

Braun, P., B. Maurer, G. Müller, G. Gross, G. Heinemann, and C. Simmer: An Integrated Approach for the Determination of Regional Evapotranspiration Using Mesoscale Modelling, Remote Sensing and Boundary Layer Measurements. Meteorology and Atmospheric Physics, 76, 83-106, 2001.

Others

Crewell, S., M. Drusch, U. Löhnert, C. Simmer, A. van Lammeren and the CLIWA-NET Project Team: Cloud observations from the ground-based CLIWA-NET Network I (CNN I) during BRIDGE EOP I. Third study Conference on BALTEX, 2. - 6. Juli 2001, Mariehamn, Oland, 43-44, 2001.

Bauer, P., S. Boxall, D. Briggs, T. Businaro, R. Casale, S. Cond&eacute, M. Connaert, J. Hyyppa, R. Päivinen, M. Schouppe, C. Simmer, N. Soulakellis, and L. Wald: European Earth Observation Research And Application On Environment. Workshop Proceedings, Brussels 11-13 September 2001, The European Community Research, Energy, Environment and Sustainable Development, 2001.

Simmer, C. (Ed.): Regional hydrological processes - remote sensing, assimilation, and validation. Sonderforschungsbereich 350, Wechselwirkung kontinentaler Stoffsysteme und ihre Modellierung, 97, Rheinische Friedrich-Wilhelms-Universität Bonn, 130p, 2001.

Müller, G., P. Gross, and C. Simmer: Investigation of evapotranspiration on a regional scale using the Lokal Modell, Radar and Meteosat data. In: Regional hydrological processes - remote sensing, assimilation, and validation, Publication of the Sonderforschungsbereich 350, Wechselwirkung kontinentaler Stoffsysteme und ihre Modellierung, 97, Rheinische Friedrich-Wilhelms-Universität Bonn, 103-112, 2001.

Thiele, A., A. Hornborstel, C. Simmer, and H. Czekala: Ableitung von Wolken und Niederschlagswasser mit bodengebundener Mikrowellenradiometrie. Österreichische Beiträge zu Meteorologie und Geophysik, Heft Nr.27, Publ. Nr. 399, S. 14, ISSN 1016-6254, DACH-MT September 2001, Session 1a, Zentralanstalt für Meteorologie und Geodynamik, Wien, Austria, 2001.

Ament, F., G. Haase, and C. Simmer: Initialisierung von Wolken im Lokal-Modell mit METEOSAT-Messungen Österreichische Beiträge zu Meteorologie und Geophysik, Heft Nr.27, Publ. Nr. 399, S. 52, ISSN 1016-6254, DACH-MT September 2001, Session 1c, Zentralanstalt für Meteorologie und Geodynamik, Wien, Austria, 2001.

Maurer, B., Heinemann, G., C. Simmer, and P. Gross: Grenzschichtmessungen und Modellvalidation über bewachsenen Landoberflächen. Österreichische Beiträge zu Meteorologie und Geophysik, Heft Nr.27, Publ. Nr. 399, S. 205, ISSN 1016-6254, DACH-MT September 2001, Session 7b, Zentralanstalt für Meteorologie und Geodynamik, Wien, Austria, 2001.

2000

Reviewed Articles

Meetschen, D., S. Crewell, P. Gross, C. Simmer und A. van Lammeren: Simulation of weather radar products from a mesoscale model. Phys. Chem. Earth (B), 25, 1257-1261, 2000.

Haase, G., S. Crewell, C. Simmer und W. Wergen: Assimilation of radar data in mesoscale models - Physical Initialization and latent heat nudging. Phys. Chem. Earth (B), 25, 1237-1242, 2000.

Crewell, S., U. Löhnert, A. van Lammeren und M. Quante: Cloud remote sensing by combining synergetic sensor information. Phys. Chem. Earth (B), 25, 1042-1048, 2000

Gross, P., C. Simmer, G. Müller, and G.Haase: Use of remote sensing for validation and assimilation in mesoscale models. In: IAHS-AISH Red Book ”Remote Sensing and Hydrology 2000”, Owe, M., K. Brubaker, J. Ritchie, and A. Rango (Eds.), ISSN 0144-7815, 192-196, 2000.

Others

Simmer, C.: Beeinflussen Wolken das Klima? Nordrhein-Westfälische Akademie der Wissenschaften - Vorträge (Westdeutscher Verlag), N 452, p.7-38, 2000.(reprint)

Mächel H., A. Kapala, and C. Simmer: Detection of the dominant modes of the atmospheric variability. Geophysical Research Abstracts, EGS 25th General Assembly, Nice, April 2000, Section ST2, 2000.

Kapala, A., H. Mächel, and C. Simmer: Connections between dominant patterns of the tropospheric and the stratospheric variability.Geophysical Abstracts, EGS 25th General Assembly, Nice, April 2000, Section ST2, 2000.

1999

Reviewed Articles

Crewell, S., G. Haase, U. Löhnert, H. Mebold, and C. Simmer: A Ground Based Multi-Sensor System for the Remote Sensing of Clouds. Phys. Chem. Earth (B), 24, 207-211, 1999.

Czekala, H., S. Havemann, K. Schmidt, T. Rother, and C.Simmer: Comparison of microwave radiative transfer calculations obtained with three different approximations of hydrometeor shape. Journal of Quantitative Spectroscopy and Radiative Transfer, 63, 545-448, 1999.

Drusch, M., C. Simmer, and E. F. Wood: Up-scaling effects in passive microwave remote sensing: ESTAR 1.4 GHz measurements during SGP'97. Geophysical Research Letters, 26, 879-882, 1999.

Simmer, C.: Contributions of Microwave Remote Sensing From Satellites to Studies on the Earth Energy Budget and the Hydrological Cycle. Advances in Space Research,24, 897-905, 1999.

Kapala, A.: Klimaschwankungen in den Tropen im Kontext des globalen Klimawandels. Petermanns geographische Mitteilungen, 143, 265-290.

Others

Crewell, S., U. Löhnert, and C. Simmer: Remote sensing of cloud liquid water profiles using microwave radiometry. Symposium Proceedings, Remote Sensing of Cloud Parameters - Retrieval and Validation, 21.-22. October 1999, Delft, Netherlands, International Research Centre of Telecommunications - Transmission and Radar, Delft University of Technology, ISBN:90-804551-6-4, 45-50, 1999.

Czekala, H., A. Thiele, A. Hornborstel, A. Schroth, and C. Simmer: Polarized microwave microwave radiation from nonspherical cloud and precipitation particles. Symposium Proceedings, Remote Sensing of Cloud Parameters: Retrieval and Validation, 21.-22. October 1999, Delft, Netherlands, International Research Centre of Telecommunications - Transmission and Radar, Delft University of Technology, ISBN:90-804551-6-4, 71-76, 1999.

Löhnert, U., S. Crewell, C. Simmer: Combining cloud radar, passive microwave radiometer and a cloud modelto obtain cloud liquid water. Symposium Proceedings, Remote Sensing of Cloud Parameters: Retrieval and Validation, 21.-22. October 1999, Delft, Netherlands, International Research Centre of Telecommunications - Transmission and Radar, Delft University of Technology, ISBN:90-804551-6-4, 101-106, 1999.

Müller, G., I. Schlüter, and C. Simmer: Zusammenstellung von Verfahren zur Ableitung von optischen und mikrophysikalischen Wolkenparametern mit Hilfe von Satellitendaten. Bericht für den Deutschen Wetterdienst, Meteorologisches Institut der Universität Bonn, 35p, 1999

1998

Reviewed Articles

Liu, Q., G. König-Langlo, and C. Simmer: Surface Radiation Measurements from Polar Stations. Phys. Chem. Earth, 23, 593-598, 1998.

Liu, Q., C. Simmer, and E. Ruprecht: Monte Carlo simulations of the microwave emissivity of the sea surface. Journal of Geophysical Research, 103 ,24,983-24,989, 1998.

Czekala, H. and C. Simmer: Microwave radiative transfer with non-spherical precipitating hydrometeors. Journal of Quantitative Spectroscopy and Radiative Transfer, 60(3), 365-374, 1998.

Fuhrhop, R., Th. C. Grenfell, G. Heygster, K.-P. Johnson, P. Schlüssel, M. Schrader, and C. Simmer: A combined radiative transfer model for sea-ice, open ocean and atmosphere. Radio Science, 33, 303-316, 1998. DOI: 10.1029/97RS03020

Others

Müller, G. and C. Simmer: Rain detection and determination of rain rates with the SSM/I radiometer over land by calibration with in-situ measurements. Conference Proceedings of the 2nd Study Conference on BALTEX, Publication No. 11, International BALTEX Secretariat, 158-159, 1998.

Czekala, H. and C. Simmer: Mikrowellenstrahlungstransport mit asphärischen Regentropfen. Annalen der Meteorologie, 37 Deutsche Meteorologen Tagung 1998, 14-18 September 1998, München, Selbstverlag des Deutschen Wetterdienstes. Deutsche Meteorologische Gesellschaft, 101-102, 1998.

Czekala, H. and C. Simmer: Microwave radiative transfer effects by nonspherical hydrometeors. In M. I. Mishchenko (Ed.), Conference on Light Scattering by Nonspherical Particles: Theory, Measurements, and Applications. NASA Goddard Institute for Space Studies, New York, September 29 - October 1, 1998, 1998.

Czekala, H., C. Simmer, T. Rother, K. Schmidt, and S. Havemann: Microwave radiative transfer with nonspherical particles. In J. D. Haigh (Ed.), Satellite Remote Sensing of Clouds and the Atmosphere II, Proceedings of SPIE, Vol. 3220, 174-185, 1998.

Drusch, M. and C. Simmer: Multispektrale Satellitenfernerkundung von Landoberflächen. Annalen der Meteorologie, 37, Deutsche Meteorologen Tagung 1998, 14-18 September 1998, München, Selbstverlag des Deutschen Wetterdienstes. Deutsche Meteorologische Gesellschaft, 257-258, 1998.

Haase, G., S. Crewell, and C. Simmer: Messung und Simulation von Wolken mit einem X-Band Radar.Annalen der Meteorologie, 37 Deutsche Meteorologen Tagung 1998, 14-18 September 1998, München, Selbstverlag des Deutschen Wetterdienstes. Deutsche Meteorologische Gesellschaft, 99-100, 1998.

Löhnert, U., S. Crewell, C. Simmer, and Th. Rose: MICCY - ein neuartiges Mikrowellenradiometer zur Messung hydro-meteorologischer Parameter. Annalen der Meteorologie, 37 Deutsche Meteorologen Tagung 1998, 14-18 September 1998, München, Selbstverlag des Deutschen Wetterdienstes. Deutsche Meteorologische Gesellschaft, 57-58, 1998.

Müller, G. and C. Simmer: Regenerkennung und Bestimmung von Regenraten aus Messungen mit dem SSM/I-Radiometer über Land durch Kalibrierung mit in-situ Regenmessungen. Annalen der Meteorologie, , 37, Deutsche Meteorologen Tagung 1998, 14-18 September 1998, München, Selbstverlag des Deutschen Wetterdienstes. Deutsche Meteorologische Gesellschaft, 259-260, 1998.

Siddans, R., B. J. Kerridge, W. J. Reburn, J. Wohlgemuth, K. Künzi, D. Feist, R. T. Peter, N. Kämpfer, H. Czekala, and C. Simmer: Study on upper troposphere/lower stratosphere sounding. Draft final report. Technical Report, European Space Agency, ESA-ESTEC, ESA Contract 12053/97/NL/CN, 478pp, 1998.

Simmer, C. and R. Fuhrhop: Use of Meteosat Second Gnereation (MSG) data to estimate the instability of the troposphere. EUMETSAT Report, Final Report to EUM/CO/96/437/Mpe, 101p, February 1998.

Thiemann, C., R. Fuhrhop, and C. Simmer: Fernerkundung von atmosphärischer Instabilität aus METEOSAT SECOND GENERATION (MSG). Annalen der Meteorologie, 37, Deutsche Meteorologen Tagung 1998, 14-18 September 1998, München, Selbstverlag des Deutschen Wetterdienstes. Deutsche Meteorologische Gesellschaft; 39-40, 1998.

1997

Reviewed Articles

Liu, Q., C. Simmer, and E. Ruprecht: Estimating Longwave Net Radiation at Sea Surface from the Special Sensor Microwave/Imager (SSM/I). Journal of Applied Meteorology, 36, 919-930, 1997.

Others

Czekala, H. and C. Simmer: Microwave radiative transfer with scattering by nonspherical hydrometeors. Workshop on Light Scattering by Non-Spherical Particles (SCANOP), 57-58. Observatory, University of Helsinki, Finland, 1997.

Müller, G. and C. Simmer: Detection and determination of rainfall with the SSM/I over Germany. Extended Abstracts of the XXII EGS Assembly, Vienna, Austria, April 21-25, 1997, International BALTEX Secretariat Publication, No 8, 69-75, 1997.

Drusch, M. and C. Simmer: Soil moisture retrieval with SSM/I over vegetated areas in Central Europe. Extended Abstracts of the XXII EGS Assembly, Vienna, Austria, April 21-25, 1997, International BALTEX Secretariat Publication No. 8, 77-82, 1997.

Alestalo, M., St. Bergström, N. Gustafsson, H.-J. Isemer, A. Lehmann, H.-Th. Mengelkamp, J. Piechure, C. Simmer, and W. Wergen: The main BALTEX experiment 1999 - 2001, Bridge strategic plan,Publication No. 9, International BALTEX Secretariat, 78p, 1997

1996

Reviewed Articles

Fuhrhop, R. and C. Simmer: An algorithm for the correction of view angle variations on SSM/I. Journal of Atmosphere and Ocean Technology, 13, 246-254, 1996.

Liu, Q. and C. Simmer: Polarisation and Intensity in Microwave Radiation Transfer. Beiträge zur Physik der Atmosphäre, 69, 535-545, 1996.(reprint)

Liu, Q., C. Simmer, and E. Ruprecht: Three-dimensional radiative transfer effects in clouds in the microwave spectral range. Journal of Geophysical Research, 101, 4289-4298, 1996.

Others

Simmer, C.: Retrieval of precipitation from satellites. Radiation and water in the climate system - remote measurements, NATO ASI Series I: Global Environmental Change, 249-276, 1996.

Liu, Q. and C. Simmer: Polarization and intensity in the microwave transfer model. Proceedings of the 8th Conference on Satellite Meteorology and Oceanography, Jan 28 - Feb 2, 1996, Atlanta, Georgia, 287-290, 1996.

1995

Reviewed Articles

Poetzsch-Heffter, Ch., Q. Liu, E. Ruprecht, and C. Simmer: Effect of cloud types on the earth radiation budget calculated with the ISCCP C1 data set: Methodology and initial results. Journal of Climate, 8, 829-843, 1995.

Others

Simmer, C.: Water vapour and cloud liquid water over the Baltic Sea derived from SSM/I observations. Conference Proceedings of the 1st Study Conference on BALTEX, Publication No. 3, International BALTEX Secretariat, 160-161, 1995.

Drusch, M. and C. Simmer: Vergleich von gemessenen Bodenfeuchten mit Erdoberflächenemissivitäten. Annalen der Meteorologie, 31, Deutsche Meteorologen Tagung 1995, 11. - 15. September 1995, München, Selbstverlag des Deutschen Wetterdienstes, ISSN 0072-4122, 1995. 190-191, 1995.

Fuhrhop, R. and C. Simmer: Influence of SSM/I incidence angle variation on brightness temperatures. Proceedings of IGARSS'95, Florence 10-14 July 1995, IEEE Catalog Number: 95CH35770, 815-817, 1995

Simmer, C. and Q. Liu: Determination of rainfall over the ocean from SSM/I measurements with a library approach. Proceedings of IGARSS'95, IEEE Catalog No. 95CH35770, 1892-1894, 1995.

Niekamp, K., C. Simmer, and K. Bumke: Vergleich von Bodenwinden aus SSM/I-Messungen mit Beobachtungen und Analysen auf dem Nordatlantik. Annalen der Meteorologie, 31, Deutsche Meteorologen Tagung 1995, 11. - 15. September 1995, München, Selbstverlag des Deutschen Wetterdienstes, ISSN 0072-4122, 1995. 229-230, 1995.

1994

Reviewed Articles

Karstens, U., C. Simmer, and E. Ruprecht: Remote sensing of cloud liquid water content. Meteorology and Atmospheric Physics, 54, 157-171, 1994.

Others

Drusch, M., E. Ruprecht, and C. Simmer. Relation between ISCCP C1 cloud optical thickness and SSM/I derived cloud liquid water path. Proceedings 7th Conf. on Satellite Meteorology and Oceanography, 6-10 June, 1994, Monterey CA, 1994. 4p, 1994.

Liu, Q. and C. Simmer: 3-D radiation effects of a raining cloud. Proceedings of the Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, Rome, 7p., 1994.

Poetzsch-Heffter, Ch., Q. Liu, E. Ruprecht, and C. Simmer: The use of ISCCP-data to study cloud effects on the earth radiation budget. Proceedings 7th Conference on Satellite Meteorology and Oceanography, 6-10 June, 1994, Monterey CA, 330-333, 1994.

Simmer, C.: Satellitenfernerkundung hydrologischer Parameter der Atmosphäre mit Mikrowellen. Verlag Dr. Kovac, 1994. 313p, 1994.

1993

Reviewed Articles

Simmer, C. and P. A. Volz: Satellite monitoring of global transmission of microbes. International Journal of Remote Sensing, 14, 1447-1461, 1993.

Simmer, C. and P. A. Volz: The use of remote sensing in monitoring micromycetes and microbe dissemination. Ukr. Botan. Journal, 50, 72-84, 1993

Others

Ruprecht, E., M. Gube-Lenhardt, C. Simmer, and C. Fueg: Bestimmung des Feuchteprofils aus AMSU-Messungen. Technical Report, Deutscher Wetterdienst, 1993.

Ruprecht, E. and C. Simmer: The use of SSM/I observations to retrieve water vapor profiles of the atmosphere over oceans. Proceedings of the 8th Symposium on Meteorological Observations and Instrumentations, Anaheim, CA, 169-172, 1993.

1992

Reviewed Articles

Others

Hargens, U., C. Oelke, E. Ruprecht, and C. Simmer. Wolkenwasser über dem Atlantik - Vergleich zwischen Klimamodellergebnissen und Mikrowellen-Fernerkundung. Annalen der Meteorologie, 27, 276-277, 1992.

Hargens, U., C. Simmer, and E. Ruprecht. Remote sensing of cloud liquid water during ICE'89. Proceedings of the Specialist Meeting on Microwave Radiometry and Remote Sensing Applications, Boulder, 27-31, 1992.

Poetzsch-Heffter, Ch., Q. Liu, E. Ruprecht, and C. Simmer: Der Einfluss von Wolken auf die Strahlung am Atmosphärenoberrand berechnet mit dem ISCCP-Wolkendatensatz. Annalen der Meteorologie, 27, 279-280, 1992.

Ruprecht, E., R. Fuhrhop, and C. Simmer: Statistical analysis of the interrelation of the different channel observations of DMSP-SSM/I. In R. Westwater (Ed.), Proceedings of the Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, Boulder, 276-280, 1992.

Schrader, M., R. Fuhrhop, E. Ruprecht, andC. Simmer: Feuchtefelder über dem Atlantik - Vergleich der EZMW-Analysen mit fernerkundeten Feuchteprofilen aus Mikrowellenbeobachtungen. Annalen der Meteorologie, 27, 238-239, 1992.

1991

Reviewed Articles

Crewell, S., E. Ruprecht, and C. Simmer: Latent heat flux over the North Atlantic Ocean - a case study. Journal of Applied Meteorology, 30, 1627-1635, 1991.

Liu, Q., C. Simmer, and E. Ruprecht: A general analytical expression of the radiation source function for emitting and scattering media within the matrix operator method. Beiträge zur Physik der Atmosphäre, 64, 73-82, 1991.(reprint)

Ruprecht, E. and C. Simmer: Fluxes of latent heat over the oceans: Climatological studies and application of satellite observations. Dyn. Atmos. Oceans, 16, 111-121, 1991.

Others

Ruprecht, E., C. Simmer, D. Wagner, and R. Fuhrhop: Analyse von Feuchtefeldern über dem Ozean mit Satellitendaten und Radiosondendaten. In: Arbeits- und Ergebnisbericht 1989-1991, Sonderforschungsbereich 133 Warmwassersphäre des Atlantiks, Technical Report, Christian-Albrechts-Universität Kiel, 142-159, 1991.

1990

Reviewed Articles

Wagner, D., E. Ruprecht, and C. Simmer: A combination of microwave observations from satellites and an EOF-analysis to retrieve vertical humidity profiles over the ocean. Journal of Applied Meteorology, 29, 1142-1151, 1990.

Others

Crewell, S., E. Ruprecht, and C. Simmer. Latent heat flux over the North Atlantic Ocean. Proceedings of Conference Oceans from Space, Venedig, 22-26 May, 1990, 276-277, 1990.

Fuhrhop, R., E. Ruprecht, C. Simmer, and D. Wagner: International Cirrus Experiment - Report 89. Technical Report, Institut für Meereskunde an der Christian-Albrecht-Universität, 55p, 1990.

Hargens, U., E. Ruprecht, and C. Simmer. Satellitenfernerkundung des Flüssigwassergehalts von Wolken. Schlussbericht zum BMBF-Vorhaben: Strahlung und Wolken. Technical Report, BMFT, 19p, 1990

Wagner, D., E. Ruprecht, and C. Simmer: Ableitung von atmosphärischen Feuchteparametern aus Mikrowellendaten - Dokumentation der Methode und Ergebnisse des Vergleichs zwischen den aus Mikrowellenmessungen abgeleiteten Feuchteparametern und Radiosondenbeobachtungen. Bericht für den Deutschen Wetterdienst. Technical report, DWD, 1990.

1989

Reviewed Articles

Box, M. A., S. A. W. Gerstl, and C. Simmer: Computation of atmospheric radiative effects via perturbation theory. Beiträge zur Physik der Atmosphäre, 62(3), 193-199, 1989.(reprint)

Box, M. A., B. Croke, S. A. W. Gerstl, and C. Simmer. Application of the perturbation theory for atmospheric radiative effects: Aerosol scattering atmospheres. Beiträge zur Physik der Atmosphäre, 62(3), 200-211, 1989.(reprint)

Simmer, C. , E. Ruprecht, and D. Wagner: The influence of the vertical structure of humidity on the retrieval of total water vapour content over the oceans by radiometry from space. In A. Chedin, editor, Microwave remote sensing of the earth system, pages 75-93. A. Deepak Publishing, 1989.

Simmer, C., U. Hargens, and E. Ruprecht: Influence of cloud water distribution on the passive microwave retrieval of humidity. Advances in Space Research, 9, 7149-7152, 1989.

Others

Ruprecht, E., C. Simmer, and U. Hargens: Ableitung von Wolkenparametern aus Mikrowellen. BMFT, Klimaforschungsprogramm, Statusseminar 1989. GSF München, 351-353, 1989.

Simmer, C., U. Hargens, E. Ruprecht, and D. Wagner: Ableitung hydrologischer Parameter aus Mikrowellenbeobachtungen von Satelliten. Annalen der Meteorologie, 26, 76-77, 1989.

1986 - 1988

Reviewed Articles

Box, M. A., S. A. W. Gerstl, and C. Simmer: Application of the adjoint formulation to the calculation of atmospheric radiative effects. Beiträge zur Physik der Atmosphäre, 61(4), 303-311, 1988. (reprint)

Gerstl, S.A.W. and C. Simmer: Radiation physics and modeling of off-nadir satellite-sensing of non-lambertian surfaces. Remote Sensing of Environment, 20, 1-29, 1986.(reprint)

Others

Box, M. A., B. Croke, S. Gerstl, and C. Simmer: Adjoint perturbation methods in radiative transfer. Proceedings of the International Radiation Symposium (IAMAP), August 1988, Lille, 4p, 1988.

Simmer, C.: Application of ONEDANT to the transport of solar radiation in the earth atmosphere. Technical Report LA-UR-87-2749, Los Alamos National Laboratory, 42 p, 1987. (reprint)

Simmer, C.: Modelled angular reflectance of plant canopies including canopy phase function and shading. Technical Report LA-UR-87-2638, Los Alamos National Laboratory, 60 p, 1987.

Gerstl, S.A.W. , C. Simmer, and B. J. Powers: The canopy hot-spot as crop identifier. Proceedings of the 7th International Symposium on Remote Sensing for Resources Development and Environmental Management, ISPRS Commission VII, Enschede, 1986. 261-263. (reprint)

1982 - 1985

Reviewed Articles

Rossow, W.B., F. Mosher, E. Kinsella, A. Arking, M. Desbois, E. Harrison, P. Minnis, E. Ruprecht, G. Seze, C. Simmer, and E. Smith. ISCCP cloud algorithm intercomparison. Journal of Climate and Applied Meteorology, 24, 877-903, 1985.

Simmer, C. and S. A. W. Gerstl: Remote sensing of angular characteristics of canopy reflectances. IEEE Transactions on Geoscience and Remote Sensing, GE-25, 648-658, 1985.(reprint)

Others

Gerstl, S.A.W. and C. Simmer: The heiligenschein as diagnostic tool in satellite remote sensing. Technical Report LA-UR-85-4098, Los Alamos National Laboratory, 5p, 1985.

Zardecki, A. and C. Simmer: Satellite-based detection of visible radiation from a nuclear fireball. Technical Report LA-UR-85-4016, Los Alamos National Laboratory, 48p, 1985.

Simmer, C.: Wolkenerkennung aus bispektralen Häufigkeits-Verteilungen. Mitteilungen des Instituts für Geophysik und Meteorologie der Universität Köln, Heft 38, 80p, 1983. ISSN 0069-5882

Simmer, C., E. Ruprecht, and E. Raschke: A method for determination of cloud properties from two-dimensional histograms. Annalen der Meteorologie, 18, 130-132, 1982.{{1982_simmeretal_am_1982.pdf|(reprint

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