Regional dynamic monitoring of Changzhuang Reservoir during the "7-20" rainstorm in Zhengzhou using multi-source spaceborne SAR

Siyi Li; Guowang Jin

doi:10.1117/12.2682586

1 June 2023 Regional dynamic monitoring of Changzhuang Reservoir during the "7-20" rainstorm in Zhengzhou using multi-source spaceborne SAR

Siyi Li, Guowang Jin

Author Affiliations +

Proceedings Volume 12710, International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2023); 127100P (2023) https://doi.org/10.1117/12.2682586
Event: International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2023), 2023, Changsha, China

Abstract

Flooding is one of the most frequent, widely distributed, and serious natural disasters in the world, Spaceborne SAR is an important tool for flood disaster monitoring at present. In this paper, we designed a dynamic monitoring scheme of the reservoir area using multi-source spaceborne SAR images and used SDWI to extract the reservoir water area to monitor the water changes in the Changzhuang Reservoir and surrounding areas during the "7-20" heavy rainstorm in Zhengzhou. The monitoring results show that compared with July 15, the area of water body in Changzhuang Reservoir area increased massively on July 20, with the growth area reaching 1647.54m2, and the area of water body in the reservoir area decreased by 672m2 on July 22. The advantages of multi-source spaceborne SAR for monitoring reservoir water area are verified.

Citation Download Citation

Siyi Li and Guowang Jin "Regional dynamic monitoring of Changzhuang Reservoir during the "7-20" rainstorm in Zhengzhou using multi-source spaceborne SAR", Proc. SPIE 12710, International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2023), 127100P (1 June 2023); https://doi.org/10.1117/12.2682586

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KEYWORDS

Synthetic aperture radar

Environmental monitoring

Rain

Image processing

Floods

Backscatter

Image segmentation

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