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Parameterisation of the raindrop size distribution using polarimetric weather radar measurements in comparison with Joss-Waldvogel disdrometer measurements

Tracksdorf, Patrick and Chandra, Madhukar and Hagen, Martin (2008) Parameterisation of the raindrop size distribution using polarimetric weather radar measurements in comparison with Joss-Waldvogel disdrometer measurements. Kleinheubacher Tagung 2008, 2008-09-22 - 2008-09-25, Miltenberg.

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Abstract

The quantitative areal precipitation estimation by using ground based weather radar measurements is an appropriate method for researchers and end-users in the fields of meteorology, hydrology and water management. Although there are existing single-parameter algorithms, such as the reflectivity-rainfall rate-relations, which are often used to estimate the quantitative areal precipitation when having non-polarimetric weather radar measurements, these algorithms are often very inaccurate. A more accurate estimation of the quantitative areal precipitation is possible when having a more detailed knowledge of the raindrop size distribution in the observed volume. This work will reflect upon the parameterisation of the raindrop size distribution using polarimetric weather radar measurements (coherent polarimetric C-band weather radar POLDIRAD, DLR site at Oberpfaffenhofen) and will give a comparison with Joss-Waldvogel disdrometer measurements. The results of this work will be presented in the form of figures and tables and summarised in the form of empirical relationships between the polarimetric weather radar measurements, the Joss-Waldvogel disdrometer measurements and the parameters of the raindrop size distribution.

Document Type:Conference or Workshop Item (Speech)
Title:Parameterisation of the raindrop size distribution using polarimetric weather radar measurements in comparison with Joss-Waldvogel disdrometer measurements
Authors:
AuthorsInstitution or Email of Authors
Tracksdorf, PatrickUNSPECIFIED
Chandra, MadhukarTU Chemnitz
Hagen, MartinUNSPECIFIED
Date:24 September 2008
Status:Published
Keywords:parameterisation of raindrop size distribution, coherent polarimetric C-Band weather radar POLDIRAD, Joss-Waldvogel disdrometer, AQUAradar
Event Title:Kleinheubacher Tagung 2008
Event Location:Miltenberg
Event Type:international Conference
Event Dates:2008-09-22 - 2008-09-25
Organizer:U.R.S.I. Landesausschuss in der Bundesrepublik Deutschland e.V.
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Atmosphären- und Klimaforschung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics
Institute of Atmospheric Physics > Cloud Physics and Traffic Meteorology
Deposited By: Patrick Tracksdorf
Deposited On:10 Dec 2008
Last Modified:27 Apr 2009 15:33

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