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Water surface variations monitoring and flood hazard analysis in Dongting Lake area using long-term Terra/MODIS data time series

Author

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  • Shifeng Huang
  • Jinggang Li
  • Mei Xu

Abstract

Dongting Lake is the second largest freshwater lake in China, and its water surface area varied very significantly during last decade. Remote sensing technology has more advantages in macro monitoring of lake water surface area than the traditional methods. In the paper, an integrated threshold method of water body extraction based on MODIS data is given, which synthesizes several factors, including vegetation index—NDVI, spectrum characters of water body, cloud and shadow, and the SRTM digital elevation information. With this method and 356 scenes MODIS 8-Day composite (MOD09Q1) image, water surface area of Dongting Lake was dynamically monitored from 2000 to 2009. The result shows that during 1 year, the water area variation in Dongting Lake area had a typical seasonal (monsoon) behavior, and during last decade, the water area decreased gradually and obviously. Based on variation monitoring, yearly max-submersion time index has been suggested to analyze flood hazard in study area. With the support of ArcGIS software, authors estimated the yearly submersion time of the Dongting Lake for each year separately and average submersion time from 2000 to 2009. The result shows 67.46% of study area is being with high flood hazard. Copyright Springer Science+Business Media B.V. 2012

Suggested Citation

  • Shifeng Huang & Jinggang Li & Mei Xu, 2012. "Water surface variations monitoring and flood hazard analysis in Dongting Lake area using long-term Terra/MODIS data time series," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 62(1), pages 93-100, May.
    • Handle: RePEc:spr:nathaz:v:62:y:2012:i:1:p:93-100
    DOI: 10.1007/s11069-011-9921-6
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    Cited by:

    1. Fangyuan Chen & Guofeng Wu & Junjie Wang & Junjun He & Yihan Wang, 2016. "A MODIS-Based Retrieval Model of Suspended Particulate Matter Concentration for the Two Largest Freshwater Lakes in China," Sustainability, MDPI, vol. 8(8), pages 1-14, August.
    2. Yuannan Long & Moruo Zheng & Huaiguang He & Shixiong Yan, 2023. "Interannual Variabilities in the Onset and Demise of Rainy Season: Implications for Water Management," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 37(12), pages 4933-4948, September.
    3. Xuchun Ye & Chong-Yu Xu & Qi Zhang & Jing Yao & Xianghu Li, 2018. "Quantifying the Human Induced Water Level Decline of China’s Largest Freshwater Lake from the Changing Underlying Surface in the Lake Region," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(4), pages 1467-1482, March.

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