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华北石质山区油松林对降水再分配过程的影响
胡珊珊; 于静洁; 胡垄; 金明
2010
Source Publication生态学报
ISSN1000-0933
Volume000Issue:007Pages:1751
Abstract森林通过降水再分配过程影响着流域的水量平衡和物质循环。根据2005-2008年汛期华北石质山区主要造林树种油松林的林外降雨、穿透降雨、树干径流定位观测数据,探讨了人工油松林对降雨再分配过程的影响。结果表明,测定期间32场次降雨过程中油松林穿透雨量、树干径流量和林冠截留量平均值分别为8.67,0.11,1.07mm;透过率,树干径流率和林冠截留率分别为82.18%(57.74%-87.55%),1.07%(0.22%-2.07%),16.75%(11.01%-42.07%)。油松林冠层穿透降雨量、树干径流量和林冠截留量均与林外降雨量呈明显的线性关系(R2=0.995,R^2=0.907,R^2=0.855),根据回归方程,当林外降雨量大于0.3mm时,可发生穿透降雨,当林外降雨量大于3.51mm时,可发生树干径流;林冠截留率与林外降雨呈双曲线衰减趋势,回归方程为y=12.091+55.537/(x+0.426)(N=32,R^2=0.685)。典型次降雨再分配过程表明,林冠不仅在量上对降雨进行再分配,还在时程上进行了再分配。
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/128445
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
胡珊珊,于静洁,胡垄,等. 华北石质山区油松林对降水再分配过程的影响[J]. 生态学报,2010,000(007):1751.
APA 胡珊珊,于静洁,胡垄,&金明.(2010).华北石质山区油松林对降水再分配过程的影响.生态学报,000(007),1751.
MLA 胡珊珊,et al."华北石质山区油松林对降水再分配过程的影响".生态学报 000.007(2010):1751.
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