====== Dissertations ====== * **Schnitt, Sabrina**, 20 November 2020: Advancing ground-based watervapor profiling through synergy of microwave radiometer and dual-frequency radar, Institut für Geophysik und Meteorologie der Universität zu Köln.[[https://kups.ub.uni-koeln.de/35437/|available online]] * **Gierens, Rosa**, 17 November 2020: Observations of Arctic low-level mixed-phase clouds at Ny-Ålesund: Characterization and insights gained by high-resolution Doppler radar, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/53900/|available online]] * **Ana Radovan**, 5 October 2020: Variability and trends of Arctic water vapour from passive microwave satellites - Special Role of Polar Lows and Atmospheric Rivers, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/53609/|available online]] * **Marek Jacob**, 2 July 2020: Characterizing maritime trade-wind convection using HALO Microwave Package (HAMP), Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/12138/|available online]] * **Ina Neher**, 26 June 2020: Impact of atmospheric variability on a solar-based power system in West Africa, International Center for Sustainable Development, University of Applied Science Bonn-Rhein-Sieg, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/25108/|available online]] * **Tatiana Nomokonova**, 15 May 2020: Arctic cloud properties derived from ground-based sensor synergy at Ny-Ålesund, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/11377/|available online]] * **Christopher Frank**, 15 January 2020: The potential of high resolution regional reanalyses COSMO-REA for renewable energy applications, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/10857/|available online]] * **Tobias Marke**, 7 June 2019: Identification of patterns in long-term observations of the cloudy boundary layer, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/11219/|available online]] * **Nils Küchler**, 26 October 2018: Ground-based remote sensing of warm, stratified clouds – new perspectives and applications, Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/9437/|available online]] * **Kobra Khosravian**, 16 October 2017: CO2 profiling in the lower troposphere using a high spectral resolution infrared radiometer. Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/8704/|available online]] * **Wieneke, Sebastian**, 25 January 2017: Remote sensing of red and far-red sun-induced chlorophyll fluorescence to estimate gross primary productivity and plant stress in sugar beet, Geographisches Institut der Universität zu Köln. [[https://kups.ub.uni-koeln.de/8167/|available online]] * **Acquistapace, Claudia**, 23 January 2017: Investigation of drizzle onset in liquid clouds using ground-based active and passive remote sensing instruments. Institut für Geophysik und Meteorologie der Universität zu Köln. [[https://kups.ub.uni-koeln.de/7932/|available online]] * ** Steinke, Sandra**, 19 January 2017: Variability of integraded water vapor: An assessment on various scales with observations and model simulations over Germany. Institut für Geophysik und Meteorologie der Universität zu Köln. [[http://kups.ub.uni-koeln.de/7629/|available online]] * ** Maria Barrera Verdejo**, 2016: Lidar and Microwave Radiometer Synergy for High Vertical Resolution Thermodynamic Profiling. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. [[http://kups.ub.uni-koeln.de/7436/|available online]] * ** Maximilian Maahn**, 2015: Exploiting vertically pointing Doppler radar for advancing snow and ice cloud observations. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 181 pp. [[http://kups.ub.uni-koeln.de/6002/|available online]] * ** Sonja Reitter**, 2013: Evaluating Ice Microphysics in NWP Models with Satellite Observations. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 138 pp. [[http://kups.ub.uni-koeln.de/5346/1/Reitter_Diss_20131104.pdf|available online]] * **Gerrit Maschwitz**, 2012: Assessment of Ground-Based Microwave Radiometer Calibration to Enable Investigation of Gas Absorption Models, Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 167 pp. [[http://kups.ub.uni-koeln.de/5390/|available online]] * **Xinxin Xie**, 2012: Polarized signals from oriented frozen hydrometeors using passive microwave radiometry. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 101 pp. [[http://kups.ub.uni-koeln.de/4775/|available online]] * **Stefan Kneifel**, 2011: Characterization of snowfall using ground–based passive and active remote sensors. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. [[http://kups.ub.uni-koeln.de/4566/|available online]] * **Anke Schickling**, 2011: Remote sensing of sun-induced fluorescence for improved modelling of gross primary productivity in a heteorogeneous agricultural area. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. * **Kerstin Ebell**, 2010: Characterization of clouds and their radiative effects using ground-based instrumentation at a low-mountain site. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 133 pp. [[http://kups.ub.uni-koeln.de/3253/|available online]] * **Bernhard Pospichal**, 2009: Diurnal to annual variability of the atmospheric boundary layer over West Africa: A comprehensive view by remote sensing observations. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 120 pp. [[http://kups.ub.uni-koeln.de/volltexte/2010/2985/|available online]] * **Mario Mech**, 2008: Potential of millimeter- and submillimeter-wave satellite observations for hydrometeor studies. Doctoral thesis at the Faculty of Mathematics and Natural Sciences of the University of Cologne. 117 pp. [[http://kups.ub.uni-koeln.de/volltexte/2008/2366/|available online]]