Microphysical Studies of Precipitation Using the Advanced,  Polarimetric DFVLR Radar
{'Code': '06020105', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'AGS', 'LongName': 'Div Atmospheric & Geospace Sciences'}}
{'SignBlockName': 'Stephan P. Nelson'}
The polarization characteristics of electromagnetic energy                 scattered from cloud and precipitation particles (hydrometeors) are             dependent, among other factors, on the polarization of the incident             radiation and the shape, size and phase (water/ice) of the                      hydrometeors.  With polarimetric radar the polarization of the                  transmitted energy is controlled and the polarization characteristics           of the energy scattered back to the radar are accurately measured.              While still in its infancy, polarimetric radar techniques hold great            promise for providing improved measurements of rainfall, and the                shape, orientation, phase and spectra of hydrometeors.                               The most advanced polarimetric radar in the world is owned and             operated by the Deutsche Forschung und Versuchanstalt fur Luft und              Raumfahrt (DFVLR) in Oberpfaffenhofen, FDR.  This research focuses on           using the (DFVLR) radar in conjunction with research aircraft from              DFVLR and the National Center for Atmospheric Research and numerical            models in a microphysical study of springtime convective and                    wintertime stratiform clouds.  The convective cloud studies will                emphasize cloud particle characteristics during the early development           of precipitation and also the characteristics of precipitation                  particles and the role they play in the formation of downdrafts.  The           stratiform study will concentrate on the ability of polarization                techniques to distinguish between different types of ice and liquid             water particles.
[{'FirstName': None, 'LastName': 'DATA NOT AVAILABLE', 'EmailAddress': None, 'StartDate': '07/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}, {'FirstName': 'Jothiram', 'LastName': 'Vivekanandan', 'EmailAddress': 'vivek@ucar.edu', 'StartDate': '07/01/1987', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}]
{'Name': 'Colorado State University', 'CityName': 'Fort Collins', 'ZipCode': '805232002', 'PhoneNumber': '9704916355', 'StreetAddress': '601 S Howes St', 'CountryName': 'United States', 'StateName': 'Colorado', 'StateCode': 'CO'}
{'Code': '1525', 'Text': 'Physical & Dynamic Meteorology'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8703126.xml'}