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当前位置: 首页 > 文章 > 大兴安岭北部兴安落叶松林降雨截留再分配特征 水土保持学报 2014,28 (6) 101-105
Position: Home > Articles > Rainfall Redistribution in Larix gmelinii Forest on Northern of Daxing'an Mountains,North-east of China Journal of Soil and Water Conservation 2014,28 (6) 101-105

大兴安岭北部兴安落叶松林降雨截留再分配特征

作  者：
盛后财;蔡体久;李奕;刘玉杰
单  位：
东北林业大学林学院
关键词：
大兴安岭;兴安落叶松林;林冠截留;穿透降雨;树干茎流
摘  要：
以大兴安岭北部兴安落叶松(Larix gmelinii)林为研究对象,通过37场降雨的观测,对兴安落叶松林的降雨截留再分配进行系统研究。结果表明:(1)研究期内大兴安岭北部兴安落叶松林的穿透降雨量、树干茎流量和冠层截留量依次为303.20,0.555,92.23 mm,分别占大气降雨量的76.57%,0.14%,23.29%。(2)兴安落叶松林内穿透降雨量、林冠截留量与林外降雨量之间均呈幂函数关系(P<0.01)。(3)当降雨量>4mm时,兴安落叶松产生树干茎流,且树干茎流量与林外降雨量呈正相关关系(P<0.01)。(4)与本地区其他森林冠层对降雨截留状况相比,兴安落叶松林冠截留率偏小;与全国其它地区不同森林相比,其林冠截留率处于全国主要森林平均林冠截留(14.7%~31.8%)的中等水平。
译  名：
Rainfall Redistribution in Larix gmelinii Forest on Northern of Daxing'an Mountains,North-east of China
作  者：
SHENG Hou-cai;CAI Ti-jiu;LI Yi;LIU Yu-jie;College of Forestry,Northeast Forestry University;
关键词：
Daxing'an Mountains;;Larix gmelinii forest;;canopy interception;;throughfall;;stemflow
摘  要：
The Larix gmelinii forest in Daxing'an Mountains was selected to study rainfall redistribution effect via 37 rainfall events in a growing season.The following results were concluded:(1)The through fall,stem flow and canopy interception in Larix gmelinii forest was respectively 303.20 mm,0.555 mm,92.23 mm,which accounted for 76.57%,0.14%,23.29% of the rainfall in open field.(2)The power equation describing the relation between through fall and canopy interception of the Larix gmelinii forest and the rainfall in open field were fitted.(3)It found that the stemflow was produced when the rainfall in open field accounted to more than 4mm,and with the increasing of the rainfall in open field,the stemflow increasing too.(4)Compared with other forest types,the canopy interception rate of Larix gmelinii forest was very low in Daxing'an Mountains,and at a middle level in China.

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