Rainfall Field Reconstruction by Opportunistic Use of the Rain-Induced Attenuation on Microwave Satellite Signals: The July 2021 Extreme Rain Event in Germany as a Case Study

Rainfall Field Reconstruction by Opportunistic Use of the Rain-Induced Attenuation on Microwave Satellite Signals: The July 2021 Extreme Rain Event in Germany as a Case Study

This paper presents a practical application of an opportunistic technique for the estimation of rainfall intensity and accumulated precipitation. The proposed technique is based upon signal strength measurements made by commercial-grade interactive satellite terminals. By applying some processing, t...

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Bibliographic Details
Published in:2022 IEEE 2nd Ukrainian Microwave Week (UkrMW) pp. 523 - 528
Main Authors: Sapienza, Fabiola, Bacci, Giacomo, Giannetti, Filippo, Lottici, Vincenzo, Colicelli, Antonio, Vaccaro, Attilio, Gammone, Michele, Davini, Nicola, Picchi, Ottavio M., Serafino, Giovanni, Caparrini, Francesca, Antonini, Andrea, Mazza, Alessandro, Melani, Samantha, Ortolani, Alberto, Adirosi, Elisa, Baldini, Luca, Rallo, Giovanni, Policelli, Frederick S., Huffman, George J.
Format: Conference Proceeding
Language:English
Published: Goddard Space Flight Center IEEE 14-11-2022
Institute of Electrical and Electronics Engineers
Subjects:
Earth Resources and Remote Sensing
Meteorological radar
Microwave measurement
Radar measurements
Rain
rain fading
Rainfall rate estimation
satellite-to-ground links
Satellites
signal of opportunity
Spaceborne radar
Urban areas
Rainfall Rate Estimation
Signal Of Opportunity
Rain Fading
Satellite-To-Ground Links
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Summary:This paper presents a practical application of an opportunistic technique for the estimation of rainfall intensity and accumulated precipitation. The proposed technique is based upon signal strength measurements made by commercial-grade interactive satellite terminals. By applying some processing, the rain-induced attenuation on the microwave downlink from the satellite is first evaluated; then the rain attenuation is eventually mapped into a rainfall rate estimate via a tropospheric model. This methodology has been applied to a test area of 30 ×30 km 2 around the city of Dortmund (North Rhine-Westphalia, upper basin of Ermscher river), for the heavy rain event that devastated western Germany in July, 2021. A rainfall map on this area is obtained from the measurements collected by a set of satellite terminals deployed in the region, and successfully compared with a map obtained with a conventional weather radar.
Bibliography:GSFC
Kharkive
Goddard Space Flight Center
ISBN:9798350331530
DOI:10.1109/UkrMW58013.2022.10037149