摘要
采用热平衡法研究新疆杨防护林林网内外的土壤蒸发量、蒸发效能及相关气象因子,用主成分分析探讨小网格防护林影响土壤蒸发的主要因子为空气温度因子、空气湿度因子、近地层风速因子和太阳辐射平衡值;分析新疆杨防护林对主导因子的影响程度;推算林网内表层土壤减盐量。
Thermal equilibrium was adopted to study Populus alba L. Var. pyramidalis＇s shelter-belt soil evaporation capacity of forest network,evaporation efficiency and relevant meteorological factors,using the principal component analyed that the main factor influencing soil evaporation of the small shelter-belt is air temperature factor, air humidity factor, the factor of wind speed of nearing stratum and balanced value of solar radiation; the influence degree factor of Populus alba L. Var. pyramidalis shelter-belt is analyzed and the amount of salt reduction of top layer soil in the forest network is calculated.
出处
《水土保持研究》
CSCD
北大核心
2006年第1期28-31,71,共5页
Research of Soil and Water Conservation
基金
内蒙古"十五"攻关项目(20020705)资助
