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RSS FeedsRemote Sensing, Vol. 11, Pages 1436: Comparison of Radar-Based Hail Detection Using Single- and Dual-Polarization (Remote Sensing)

 
 

18 june 2019 01:00:34

 
Remote Sensing, Vol. 11, Pages 1436: Comparison of Radar-Based Hail Detection Using Single- and Dual-Polarization (Remote Sensing)
 




The comparative analysis of radar-based hail detection methods presented here, uses C-band polarimetric radar data from Czech territory for 5 stormy days in May and June 2016. The 27 hail events were selected from hail reports of the European Severe Weather Database (ESWD) along with 21 heavy rain events. The hail detection results compared in this study were obtained using a criterion, which is based on single-polarization radar data and a technique, which uses dual-polarization radar data. Both techniques successfully detected large hail events in a similar way and showed a strong agreement. The hail detection, as applied to heavy rain events, indicated a weak enhancement of the number of false detected hail pixels via the dual-polarization hydrometeor classification. We also examined the performance of hail size detection from radar data using both single- and dual-polarization methods. Both the methods recognized events with large hail but could not select the reported events with maximum hail size (diameter above 4 cm).


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36 viewsCategory: Geology, Physics
 
Remote Sensing, Vol. 11, Pages 1437: Comparative Study on Variable Selection Approaches in Establishment of Remote Sensing Model for Forest Biomass Estimation (Remote Sensing)
Remote Sensing, Vol. 11, Pages 1435: The Comparison of Fusion Methods for HSRRSI Considering the Effectiveness of Land Cover (Features) Object Recognition Based on Deep Learning (Remote Sensing)
 
 
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