Polarimetric X-Band weather radar: High-resolution rainfall estimation

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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).

Original languageEnglish
Title of host publicationRainfall in Urban and Natural Systems
Subtitle of host publicationProceedings of the 10th International Workshop on Precipitation in Urban Areas (UrbanRain 2015)
Place of PublicationZurich
PublisherETH Zürich
Number of pages2
Publication statusPublished - 2015
Event10th International Workshop on Precipitation in Urban Areas: Rainfall in Urban and Natural Systems, UrbanRain 2015 - Pontresina, Switzerland
Duration: 1 Dec 20155 Dec 2015

Conference

Conference10th International Workshop on Precipitation in Urban Areas: Rainfall in Urban and Natural Systems, UrbanRain 2015
CountrySwitzerland
CityPontresina
Period1/12/155/12/15

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