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豫南山区落叶阔叶林生态系统水量平衡研究
引用本文:冯万富,张学顺,单燕祥,袁玉霞,李月凤.豫南山区落叶阔叶林生态系统水量平衡研究[J].数学的实践与认识,2011,41(22).
作者姓名:冯万富  张学顺  单燕祥  袁玉霞  李月凤
作者单位:信阳市林业科学研究所,河南 信阳,464031
基金项目:中国陆地生态系统定位观测研究网络资助项目; 信阳市科技计划项目(KJGG0830)
摘    要:采用水量平衡方法和集水区技术,利用2006年至2009年的观测资料,研究了豫南低山区落叶阔叶林生态系统的水量平衡.结果表明:系统年平均输入降水为1200.2 mm,其中79%集中在4-9月,主要支出项为径流和蒸散,分别为444.4 mm和754.3 mm,各占降水的37.0%和62.9%,土壤蓄水变化量仅为1.5 mm;林冠层对降水的分配中,林冠截留量407.4 mm,截留率33.9%,穿透水和树干茎流量分别为761.7 mm和31.1 mm,各占降水量的63.5%和2.6%.集水区年均径流输出总量为444.4 mm,其中地下径流420.9 mm,地表径流仅23.5 mm.落叶阔叶林生态系统具有良好的水文生态效应。

关 键 词:落叶阔叶林  林冠截留  径流  水量平衡

Water Balance of Deciduous Broad-leaved Forest Ecosystem in southern Mountain of Henan Province
FENG Wan-fu,ZHANG Xue-shun,SHAN Yan-xiang,YUAN Yu-xia,LI Yue-feng.Water Balance of Deciduous Broad-leaved Forest Ecosystem in southern Mountain of Henan Province[J].Mathematics in Practice and Theory,2011,41(22).
Authors:FENG Wan-fu  ZHANG Xue-shun  SHAN Yan-xiang  YUAN Yu-xia  LI Yue-feng
Institution:FENG Wan-fu,ZHANG Xue-shun,SHAN Yaii-xiang,YUAN Yu-xia,LI Yue-feng (The Forest Science Research Institute of Xinyang,Xinyang 464031,China)
Abstract:Using the method of water balance,watershed experiment technique and site-specific observation,based on the data and information collected from 2006 to 2009,the water balance of deciduous broad-leaved forest ecosystem in southern mountain of henan province is studied.The result shows:Average annual precipitation is 1200.2 mm,79% of them concentrated in April to September,and 37.0%and 62.9%of which allocated to total runoff(444.4 mm) and evapotranspiration(754.3 mm),annual soil moisture variation is only 1.5...
Keywords:deciduous broad-leaved forest  crown interception  runoff  water balance  
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