植被地上部分水文效应研究现状

Hydrological effect of vegetation on the ground

针对植被地上部分在水文效应中所发挥的作用,本文从降雨截留、削减溅蚀、抑制径流等方面,论述了不同植物类型冠层对降雨截留的作用;分析了植物地上茎叶、枯落物等部分在削减溅蚀中的贡献;系统评价了植被覆盖度、降雨强度、植被类型等对植物茎叶或枯落物截留、减少径流的影响。得出植被水文效应研究现状中存在的问题与不足,并在此基础上提出了植被水文功能今后的研究方向。

In order to understand the hydrological role of the aerial parts of vegetation,from the aspect of hydrologic functions including rainfall interception,splash erosion reduction and runoff control,this present paper discusses the role of different types of plants canopy on rainfall interception,aboveground stems,litter part in the reduction of splash erosion contribution,and systematically evaluates the influence of factors including vegetation coverage,rainfall and vegetation type on rainfall interception and run off control by stems and leaves or withered litters of plants.Shortcomings of vegetation hydrological effects research and future research direction for vegetation's hydrological function are put forward.