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望谟县境内河流跟贵州省其他地区河流一样属典型的雨源型河流,洪水的主要特点表现为:陡涨陡落、峰量集中、涨峰历时短。与此同时望谟地区的洪水又有其自身特殊的地方:强降水、地形坡度陡、地质构造不良等等。如仅按一般洪灾防治措施进行治理,不仅投入大,而且收效甚微。针对望谟洪灾特殊性,文章提出了“上沉固、中调蓄、下疏排”的一条龙式解决方法,以达到防灾减灾的目的,使洪灾损失减至最小。
The rivers in Wangmian County are similar to the rivers in other areas of Guizhou Province. The main characteristics of the floods are as follows: steep rise and fall, concentration of peaks and short rise of peak. At the same time, floods in Wangmo district have their own special places: heavy precipitation, steep terrain, poor geological structure and so on. If only according to the general flood control measures for governance, not only invested in large, but with little success. In view of the particularity of Wangmo flood, the article proposes a one-stop solution to the problem of disaster prevention and reduction so as to minimize the flood damage.