China’s lakes at present: Number, area and spatial distribution co-written by scientific research personnel Ma Ronghua, Yang Guishan and Duan Hongtao etc. of our institute and published on Science China ·Earth Sciences in 2011 was rated as the hot thesis of 2013 by the editorial department of this periodical.
This research is based on 11004 scene/picture CBERS CCD and Landsat TM/ETM satellite remote sensing image data of 2005-2006 and refers to Google Earth images and other document literature. Under the support of 6843 topographic maps (DRG) with a scale of 1:100000 and 1:50000, and part of layer data (DLG) of 1:250000 topographic map, and through technological links like remote sensing judgment and interpretation, field study, indoor correction, expert consultation, data correction and achievement determination, it determines that there are 2693 natural lakes with an area over 1.0 km² in China which separately distribute in 28 provinces (municipalities and direct-controlled municipalities) with a total area of 81414.6 km² which accounts for about 0.9% of China’s national territorial area.
In recent 30 years, there are 60 and 131 lakes with an area over 1.0 km newly born and newly found respectively in China. There also 243 lakes whose original area are over 1.0 km² obliterate.
This research makes clear the changes and current situation of China’s lakes in decades, and provides important data support for rational utilization, environmental protection and ecological restoration of our country’s lake resources.