Polarimetric X-Band weather radar

High-resolution rainfall estimation

Conference paper (2015)

Authors

R. Reinoso Rondinel Atmospheric Remote Sensing - CEG
H.W.J. Russchenberg Geoscience and Remote Sensing
C.M.H. Unal Atmospheric Remote Sensing - CEG
Research Group
Atmospheric Remote Sensing (CEG) (TU Delft)
Copyright: © 2015 R. Reinoso Rondinel, H.W.J. Russchenberg, C.M.H. Unal
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Published Date

2015

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Remote Sensing

Research Group

Atmospheric Remote Sensing

Abstract

Weather observations are conventionally performed by C-band weather radars with spatial and temporal resolution of 1 km and 5 min, respectively. However, in recent years, C-band weather radars have been upgraded from single to dual-polarimetric to improve the quality of their measurements. Still, these spatial and temporal resolutions might be undesirable for the detection of localized heavy rainfall which might be necessary to model fast rainfall-runoff processes in urbanized areas. Therefore, X-band weather radars have been introduced to increase the resolution of rainfall rate (R) estimation. For example, in the USA, a network of dual-polarimetric X-band radars has been used to estimate rainfall rates of severe storms at high-resolution (Wang and Chandrasekar, 2010). In Western Europe, the RainGain project includes a network of X-band radars to obtain high-resolution rainfall rates to cope with urban flooding (http://www.raingain.edu).