水科学进展2013，Vol.24Issue(4)：513-521,9.
降雨特征及小气候对秦岭油松林降雨再分配的影响
Effects of rainfall characteristics and micrometeorology on rainfall redistribution within Chinese red pine forest
摘要
Abstract
The objective of this study was to understand the effects of rainfall characteristics and micrometeorology on rainfall redistribution within Chinese red pine (or Pinus tabulaeformis) forest.During growing seasons of 2006-2008,gross rainfall,throughfall,stemflow,and micrometeorology were directly observed from a naturally generated secondary coniferous forest in Qinling Mountains,China.Correlation and multiple regression methods were used to examine the relationships among those measured parameters.Results show that the rainfall class is the most important factor in rainfall partitioning.A positive correlation exists between the dependent variable throughfall and each of the following independent variables including rainfall,the interaction terms of rainfall and rainfall duration,and relative humidity.A negative correlation exists between throughfall and the rainfall duration,also between throughfall and temperature.The stemflow was positively correlated with rainfall,interaction terms of rainfall and temperature,negatively correlated with air temperature.There were positive correlations between interception loss and rainfall,rainfall duration,and temperature.There were negative correlations between canopy interception loss and the interaction terms of rainfall with rainfall duration,air temperature.Non-significant correlations were found between throughfall,stemflow,and interception loss with antecedent dry time,wind direction,wind speed,photosynthetic available radiation,and net radiation,respectively.关键词
穿透降雨/树干茎流/林冠截留/降雨量/小气候/生态水文Key words
throughfall/ stemflow / interception loss/ rainfall amount / micrometeorology/ eco-hydrology分类
农业科技引用本文复制引用
陈书军,陈存根,曹田健,侯琳,李荣华,张硕新..降雨特征及小气候对秦岭油松林降雨再分配的影响[J].水科学进展,2013,24(4):513-521,9.基金项目
国家林业局林业公益性行业科研专项经费资助项目(201004036) （201004036）
西北农林科技大学科研专项经费资助项目(QN2011161) （QN2011161）
The study is financially supported by the National Non-Profit Research Program of China(No.201004036). （No.201004036）
