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小流域分布区域雨量丰沛,河流源短流急,极易形成洪涝灾害,小流域防洪避洪规划是防洪减灾工作中的重要方面,临界雨量的计算是规划和防御洪灾的重要指标,而临界雨量的确定应与其洪水中产流汇流时间相对应。
The rainfall in the small watershed is abundant, and the river source is in short supply, which can easily lead to floods. The planning of flood control and flood control in small watersheds is an important aspect of flood control and disaster reduction. The calculation of critical rainfall is an important index for planning and preventing floods. Critical rainfall The determination should correspond to the current confluence time in the flood.