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堪称黄浦江上游的淀山湖位于上海市西南角的青浦区境内。淀山湖古称薛淀湖,相传原为陆地,战国后陷为谷水,后印湖中有一座淀山,故称淀山湖。明代以后,河流改道、湖沙沉积,致使湖面渐渐缩小,淀山仅存遗迹。今天的淀山湖仍相当开阔,湖面约70 km~2,东西宽7.5 km,南北长15 km,是杭州西湖的12倍;平均水深2 m,蓄水达1.2亿m~3,是上海市的主要水源。淀山湖自古以来湖水清澈、鱼米丰饶,然而自
Dianshan Lake, an upper reaches of the Huangpu River, is located in the Qingpu District in the southwest corner of Shanghai. Dianshan Lake ancient name Xuedian Lake, according to legend was the original land, after the Warring States into a valley of water, after a lake in India Lake, so called Dianshan Lake. After the Ming Dynasty, the river diversions, lakes sediments, resulting in the lake gradually narrowed, only the remains of Dianshan. Dianshan Lake today is still quite open, the lake is about 70 km ~ 2, 7.5 km wide east-west, 15 km long from north to south, Hangzhou West Lake is 12 times; average depth of 2 m, water storage up to 120 million m ~ 3, is Shanghai The main source of water. Dianshan Lake since ancient times the lake is clear, rich in fish, but since