Lake Taihu (E30◦56–31◦33, N119◦54–120◦36) is a shallow
water body, with amean depth of 1.9 m, a surface area of 2338km2
and a volume of 4.4 billionm3 The lake basin
has a drainage area of 36,500km2, and more than 30 canals and rivers discharge water into the lake. Generally, rivers in the west of
the lake are defined as upstream and the main outflow rivers are
located in the southeast. The Meiliang Bay, Zhushan Bay and Western
Lake are the most eutrophic areas of Lake Taihu. There are two
main rivers, the Liangxi River and the Zhihu Gang, connected to the
Meiliang bay