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Water area changes of the Tonle Sap Lake based on remote sensing data
Author(s): Wei Qu; JUNE Fu; Ying Wang; Jingxuan Lu; Yanan Tan; Zhiguo Pang; Tianjie Lei
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Paper Abstract

The Tonle Sap Lake plays a very important role in regulating the downstream flood of the Mekong River. It is necessary to understand its temporal changes of water area of the lake and to analyze its relation with the flood processes of the Mekong River. Monthly water area from June 2013 to May 2014 were monitored based on the multi-temporal images of HJ-1 satellite in this paper. Normalized difference water index (NDWI) was used to extract the water area. It is found that the water area of the lake had a dramatic increase from September to December. Moreover, after reaching its maximum in December 2013, the water area quickly decreased by 11463km2 in only half month time from December to January. It kept rather stable at a lower level from February to May in 2014. It is feasible, fast and reliable to monitor and analyze the change of lake water area based on remote sensing method with important application prospect.

Paper Details

Date Published: 9 August 2018
PDF: 7 pages
Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 108064Z (9 August 2018); doi: 10.1117/12.2503131
Show Author Affiliations
Wei Qu, China Institute of Water Resources and Hydropower Research (China)
Research Ctr. on Flood and Drought Disaster Reduction (China)
JUNE Fu, China Institute of Water Resources and Hydropower Research (China)
Ying Wang, China Institute of Water Resources and Hydropower Research (China)
Jingxuan Lu, China Institute of Water Resources and Hydropower Research (China)
Research Ctr. on Flood and Drought Disaster Reduction (China)
Yanan Tan, China Institute of Water Resources and Hydropower Research (China)
Zhiguo Pang, China Institute of Water Resources and Hydropower Research (China)
Research Ctr. on Flood and Drought Disaster Reduction (China)
Tianjie Lei, China Institute of Water Resources and Hydropower Research (China)


Published in SPIE Proceedings Vol. 10806:
Tenth International Conference on Digital Image Processing (ICDIP 2018)
Xudong Jiang; Jenq-Neng Hwang, Editor(s)

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