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世界各国以年径流总量比较,我国的水资源居世界第六位。按人口平均径流量比较,我国低于世界多数国家。全球陆地年降水总量119万亿立米(平均降水深800毫米),年径流总量为47万亿立米。我国年降水总量约6万亿
Compared with the total annual runoff in all countries in the world, China’s water resources rank sixth in the world. According to the average population runoff comparison, China is lower than most countries in the world. The total annual global precipitation is 119 trillion cubic meters (with an average precipitation of 800 mm) and the total annual runoff is 47 trillion cubic meters. The total annual precipitation in China is about 6 trillion