Because of the shortage of observed hydrologic data, the design flood is calculated according to the storm data in small catchment.
由于小流域一般均缺乏实测水文资料,多采用由暴雨资料推求设计洪水。
参考来源 - 小流域设计洪水计算软件开发研究Then it needs to consider these factors of spatial variability in the small catchment scale. To sum up the above arguments,we studied the soil erosion effect in different scales,and discussed their transformation.
在径流小区尺度上,水土流失效应主要受降雨特性和土壤特性的影响;而在自然坡面尺度上,地形和植被也是影响水土流失效应的主要因素;在小流域尺度上,则还需考虑这些因素的空间变异性。
参考来源 - 不同尺度下紫色土水土流失效应分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Small catchment are basic management units in the flash flood disaster control planning (FFDCP) in China.
在进行全国山洪灾害防治规划中，小流域是基本工作单元。
Primary application showed this system is very useful for small catchment management of soil conservation.
应用结果表明，该系统对于小流域水土保持综合治理有重要的意义。
Studies on runoff-rainfall relationship are important to understand the hydrological processes and the water balance in a small catchment.
观测了水源区的太行山小流域径流及降雨过程，分析了径流与降雨的关系。
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