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湖南省湘西土家族苗族自治州可溶性碳酸盐岩类分布面广,全州十县市出露面积达11,200平方公里,约占全州总面积的70％。这里地表溶洞、漏斗、落水洞星罗棋布,地下暗河系统纵横交错,降雨大部分转入地下潜流。据普查,全州地下水动储量每年有三四十万吨,地下水资源相当丰富。过去人们一直认为,在岩溶地区不宜修建蓄水工程,但湘西自治
Hunan Province Xiangxi Tujia and Miao Autonomous Prefecture, a wide range of soluble carbonate rocks, counties and counties throughout the state exposed area of 11,200 square kilometers, accounting for about 70% of the total area of the state. Here the surface of the cave, funnel, falling water hole dotted, underground river system criss-crossing, most of the rainfall into the subsurface flow. According to the census, the reserves of groundwater in the whole state are estimated at 300,000 to 400,000 tons per year, with abundant groundwater resources. In the past, people always believed that it is not appropriate to build water storage projects in karst areas, but autonomous areas in western Hunan Province