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Remote Sens. 2015, 7(8), 10364-10384; doi:10.3390/rs70810364

Temporal-Spatial Evolution Analysis of Lake Size-Distribution in the Middle and Lower Yangtze River Basin Using Landsat Imagery Data

1
School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
2
Hubei Institute of Land Surveying and Mapping, Wuhan 430010, China
3
Tianjin Institute of Surveying and Mapping, Tianjin 300381, China
*
Author to whom correspondence should be addressed.
Academic Editors: Deepak R. Mishra, Eurico J. D’Sa, Sachidananda Mishra, Assefa M. Melesse, Parth Sarathi Roy and Prasad Thenkabail
Received: 6 May 2015 / Revised: 31 July 2015 / Accepted: 10 August 2015 / Published: 12 August 2015
View Full-Text   |   Download PDF [2533 KB, uploaded 12 August 2015]   |  

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. View Full-Text
Keywords: AWEI; Landsat; the Yangtze River Basin; lake evolution AWEI; Landsat; the Yangtze River Basin; lake evolution
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Li, L.; Xia, H.; Li, Z.; Zhang, Z. Temporal-Spatial Evolution Analysis of Lake Size-Distribution in the Middle and Lower Yangtze River Basin Using Landsat Imagery Data. Remote Sens. 2015, 7, 10364-10384.

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