| Content Provider | MDPI |
|---|---|
| Author | Li, Lin Xia, Hui Li, Zheng Zhang, Zhijun |
| Abstract | Four natural lakes in the middle and lower reaches of the Yangtze River—Dongting Lake, Poyang Lake, Chaohu Lake and Taihu Lake—play a key role in the climate, environment, and ecology of this area. Upstream of these lakes, the Three Gorges Dam Project has been storing water for 12 years. Future monitoring and management of rivers and lakes can certainly benefit from research on the patterns of variation of natural lakes downstream of the Three Gorges Project. This research applies Landsat TM/ETM data to evaluate water area changes in the four lakes from 2002 to 2013. The water area is estimated using AWEI (Automated Water Extraction Index) from satellite images. The average areas decreased respectively 452, 11, and 5 km2 (29.6%, 1.4% and 0.2%) from 2002 to 2013 for Dongting, Chaohu, and Taihu Lakes. Meanwhile, it increased 300 km2 (11.0%) for Poyang Lake. Precipitation and changes in river inflow may account for the fluctuation in the surface area to a large degree, especially between 2009 and 2013. The present study was undertaken to characterize the evolution of lakes and to explore the potential driving force of variation in order to assist the management of dams upstream in the river basin. |
| File Size | 2593792 |
| Ending Page | 10384 |
| Page Count | 21 |
| Starting Page | 10364 |
| File Format | |
| e-ISSN | 20724292 |
| DOI | 10.3390/rs70810364 |
| Journal | Remote Sensing |
| Issue Number | 8 |
| Volume Number | 7 |
| Language | English |
| Publisher Date | 2015-08-12 |
| Access Restriction | Open |
| Subject Keyword | AWEI Landsat the Yangtze River Basin lake evolution |
| Content Type | Text |
| Resource Type | Article |
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