River and lake water system partition classification method serving ecological flow determination

The invention discloses a river and lake water system zoning and classifying method serving ecological flow determination. The method specifically comprises the following steps: firstly, zoning the land of China according to large-scale regional elements such as geographical locations and climate characteristics of different regions, water resource endowment conditions, ecological function positioning and characteristics and the like; the invention relates to the technical field of ecological flow. According to the river and lake water system zoning and classifying method serving ecological flow determination, zoning and classifying are carried out on river and lake water systems throughout the country from the perspective of ecological flow determination, and the determination principle of ecological flows of different zones and classes is provided, so that the determination of ecological flows throughout the country is guided, and a specific calculation method of ecological flows is not provided; the invent