中国有长江、黄河、珠江、海河、淮河、松花江、辽河七大流域。其主要概况为:1长江流域长江,发源于青藏高原的唐古拉山脉各拉丹冬峰西南侧。干流流经青海、西藏、四川、云南、重庆、湖北、湖南、江西、安徽、江苏、上海11个省、自治区、直辖市,于崇明岛以东注入东海,全长6300余千米。流域面积达180万平方千米,约占中国陆地总面积的1/5。长江是中国水量最丰富的河流,水资源总量9616亿 China has the Yangtze River, Yellow River, Pearl River, Haihe River, Huaihe River, Songhua River and Liaohe River. The main profiles are as follows: 1 The Yangtze River in the Yangtze River Basin originates from the southwestern side of the Mt. The mainstream flows through 11 provinces, autonomous regions and municipalities in Qinghai, Tibet, Sichuan, Yunnan, Chongqing, Hubei, Hunan, Jiangxi, Anhui, Jiangsu and Shanghai to the east of Chongming Island with a total length of over 6,300 km. Watershed area of ​​1.8 million square kilometers, accounting for about one fifth of China’s total land area. The Yangtze River is China’s most abundant river, with 961.6 billion water resources