Studies on Material Cycling in Evergreen Broad-Leaved Forest Ecosystem in Hangzhou:I.Precipitation Distribution

编号 zgly0000099238

文献类型 期刊论文

文献题名 Studies on Material Cycling in Evergreen Broad-Leaved Forest Ecosystem in Hangzhou:I.Precipitation Distribution

学科分类 220.1030;森林水文学

母体文献 PEDOSPHERE;土壤圈: 英文版 

年卷期 1993,3(3)

页码 221-230

年份 1993 

分类号 S715.5  S718.554.2 

关键词 森林生态系统  降雨  水量平衡  常绿阔叶林  物质循环  杭州市  水量分配 

文摘内容 Through the long-term plot studies plot studies on the precipitation distribution in the evergreen broad-leaved forest ecosystem in Hangzhou for two years,it was indicated that the pattern of precipitation distribution included larger amounts of penetration water and stemflow and a lower amount of interception water.The results revealed that the main factors to infulence the percentages of penetration and stemflow were the air temperature and the leaf area of the forest.The quantity of seepage through the litter layer was much larger than that through the soil layers which decreased sharply with soil depth.The output of water from the ecosystem by surface runoff and deep infiltration through the soil was much lower,only being 5.20 percent of the rainfall,while the water evapotranspiration loss was as large as more than 90 percent of it.The losses by the soil evaporation and plant evapotranspiration were the largest part of output in this forest ecosystem。