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Remote Sens. 2018, 10(6), 811; https://doi.org/10.3390/rs10060811

Rain Microstructure Parameters Vary with Large-Scale Weather Conditions in Lausanne, Switzerland

1
Department of Ecology and Ecosystem Management, Technical University of Munich, Hans-Carl-von-Carlowitz-Platz 2, D-85354 Freising, Germany
2
Institute for Advanced Study, Technical University of Munich, Lichtenbergstraße 2a, D-85748 Garching, Germany
*
Author to whom correspondence should be addressed.
Received: 9 April 2018 / Revised: 12 May 2018 / Accepted: 22 May 2018 / Published: 23 May 2018
(This article belongs to the Special Issue Remote Sensing of Precipitation)
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Abstract

Rain properties vary spatially and temporally for several reasons. In particular, rain types (convective and stratiform) affect the rain drop size distribution (DSD). It has also been established that local weather conditions are influenced by large-scale circulations. However, the effect of these circulations on rain microstructures has not been sufficiently addressed. Based on DSD measurements from 16 disdrometers located in Lausanne, Switzerland, we present evidence that rain DSD differs among general weather patterns (GWLs). GWLs were successfully linked to significant variations in the rain microstructure characterized by the most important rain properties: rain intensity (R), mass weighted rain drop diameter (Dm), and rain drop concentration (N), as well as Z = ARb parameters. Our results highlight the potential to improve radar-based estimations of rain intensity, which is crucial for several hydrological and environmental applications. View Full-Text
Keywords: synoptic weather types; drop size distribution (DSD); microstructure of rain; disdrometer; radar reflectivity–rain rate relationship synoptic weather types; drop size distribution (DSD); microstructure of rain; disdrometer; radar reflectivity–rain rate relationship
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Ghada, W.; Buras, A.; Lüpke, M.; Schunk, C.; Menzel, A. Rain Microstructure Parameters Vary with Large-Scale Weather Conditions in Lausanne, Switzerland. Remote Sens. 2018, 10, 811.

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