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思南县是一个农业大县,乌江干流横跨境内78.13km。随着乌江上游思林、构皮滩等梯级水电站开发,减小了该县大江大河防汛压力,但由于降雨时空分布不均,暴雨频发,洪水暴涨暴落,导致山洪灾害频繁发生。非工程措施建设作为防治山洪灾害中重要的措施之一,提供科学合理的数据信息和及时预警,达到有效防御山洪灾害,把人民群众的生命财产损失降到最低。
Sinan County is an agricultural county, Wujiang River across the territory of 78.13km. With the development of Silin, Goupitan and other cascade hydropower stations in the upper reaches of the Wujiang River, the flood control pressure on major rivers in the county has been reduced. However, due to the uneven distribution of rainfall in time and space, frequent heavy rains and violent floods, flood strikes frequently occur. As one of the important measures in prevention and control of mountain torrent disasters, construction of non-engineering measures shall provide scientific and reasonable data and information and early warning in time so as to effectively prevent mountain torrent disasters and minimize the loss of lives and property of the masses of the people.