小陇山林区主要林分对降水的再分配  

Re-allotment of Precipitation for Main Stands in Xiaolongshan Forest Area

作　　者：马熙渊 马立琦 

机构地区：[1]甘肃小陇山林业实验局东岔林场,甘肃天水741036 [2]甘肃小陇山林业实验局林科所

出　　处：《甘肃林业科技》2003年第2期1-4,共4页Journal of Gansu Forestry Science and Technology

摘　　要：选择锐齿栎、油松、华山松和落叶松林分为对象,系统同步观测了大气一次性降水过程中,不同郁闭度梯度林分群体的林冠透过降水、树干流量、林冠层截留量与大气降水历时、降水强度变化的基本数据。用数量级化理论(Ⅰ)和线性方程,动态地描绘出各分量随大气降水变化而变化的趋势。揭示出林分对降水的再分配以及求算1年内不同时段林地补给水量的可靠方程。Taking Quercus aliena var. acuteserrata, Pinus tabulaeformis, Pinus armandi and Larix gmelinii as studying objects, the different amount of water captured by the crown, passed through crown and flowed along trunk of a tree was studied in different intensity stands. The reallotment of precipitation at different periods of a year was revealed.

关 键 词：小陇山林区 林分 大气降水 再分配 林地补给水 林冠截流水 林冠透过降水 干流水 

分 类 号：S715.2[农业科学—林学]