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Proceedings Paper

Dynamic monitoring of Poyang Lake water body area using MODIS images between 2000 and 2014
Author(s): Yayong Sun; Shifeng Huang; Jiren Li; Xiaotao Li; Jianwei Ma; Shanyang Li; Hui Wang
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Paper Abstract

Poyang Lake, the largest freshwater lake of China, is well known for its ecological and economic importance as a dynamic wetland system. But, influenced by the climate change and human activity, Poyang Lake wetland has changed a lot. The long time series of Terra/MODIS data between 2000 and 2014 were utilized to investigate the variation of Poyang Lake and to analyze Poyang lake response to variation of local precipitation with the meteorological data. The results showed: (1) Poyang Lake water body area showed a significant seasonal variation, minimum value was about 690 km2 and maximum value reached 3500 km2, and inter-annual fluctuation; (2)For the past 15 year , local precipitation directly affected the inundation changes. In particular, the impact of rainfall during the first half of the year is more significant (the relation coefficient with R2 of 0.61); (3) Taking into account humid activities, the impoundment of the Three Gorges dam (TGD) had a certain impact on Poyang Lake water body area, especially the persistent reduction of Poyang lake surface area in November was deteriorated by the impounding of TGD in October after 2006. Finally, the study provides a theoretical basis and data for changes in Poyang Lake wetland research and protection.

Paper Details

Date Published: 9 December 2015
PDF: 8 pages
Proc. SPIE 9808, International Conference on Intelligent Earth Observing and Applications 2015, 98081S (9 December 2015); doi: 10.1117/12.2209293
Show Author Affiliations
Yayong Sun, China Institute of Water Resources and Hydropower Research (China)
Shifeng Huang, China Institute of Water Resources and Hydropower Research (China)
Jiren Li, China Institute of Water Resources and Hydropower Research (China)
Xiaotao Li, China Institute of Water Resources and Hydropower Research (China)
Jianwei Ma, China Institute of Water Resources and Hydropower Research (China)
Shanyang Li, China Univ. of Geosciences (China)
China Institute of Water Resources and Hydropower Research (China)
Hui Wang, China Institute of Water Resources and Hydropower Research (China)


Published in SPIE Proceedings Vol. 9808:
International Conference on Intelligent Earth Observing and Applications 2015
Guoqing Zhou; Chuanli Kang, Editor(s)

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