At 8 a.m. Wednesday, the lake's surface area was 1,490 sq km, a reduction of 679 sq kmcompared with 2,169 sq km on Monday, said the Jiangxi Provincial Hydrological Bureau.
The water level at Xingzi hydrological station was 11.99 meters at 4 p.m. Wednesday, 2.13 meters lower than the levels in normal years. The water level is falling by 30 cm per day.
Reduced water supply from the upper Yangtze River due to dams and little rainfall in thepast month in Jiangxi were two major causes for the shrinking, said the bureau.
The average precipitation was less than 5 mm since Sept. 20 in Jiangxi Province.
The lake's flood season began on April 30 and lasted until Oct. 18. The flood period was 33 days longer than that of last year.
The sharp fall of water levels in the lake will affect shipping and fishing as well as the watersupply for nearby residents.