摘要
以大青山区30 a生油松人工林为研究对象,系统观测了林分对降雨的再分配作用,根据2006年的观测结果显示,油松人工林林冠穿透雨量、林冠截留、树干茎流所占降雨的比例分别为65.83%、33.04%、1.13%,枯枝落叶层有效拦蓄量为0.62mm,截留率为8.9%,地表径流率为2.6%;林冠穿透雨量、树干茎流量与林外降雨量均呈显著的线性正相关,而林冠截留量与降雨量呈幂函数关系。
The distributions of rainfalls in 30a of Pinus tabulaeformis plantation in Daqing - Mountains during the growing seasons were studied in 2006. The results showed that distribution of the throughfall, canopy interception and stemflow were 65.83%, 33.04% and 1.13%. The effective interception amount of litter was 0.62mm, the interception rate was 8.9% , and surface run - off rate was 2.6%. The relationship between throughfall, stemflow and rainfall were separately in linear positive correlation. The canopy interception and rainfall were in power function correlation.
出处
《干旱区资源与环境》
CSSCI
CSCD
北大核心
2009年第6期157-160,共4页
Journal of Arid Land Resources and Environment
基金
教育部博士点基金(2005012900)
教育厅基金(NJZZ07041)资助
关键词
大青山
油松人工林
降雨分配特征
Daqing - mountains
Pinus tabulaeformis plantation
characteristics of distribution of rainfall
