额济纳旗胡杨根区水分运动参数的确定——利用Richard方程和气象资料推算

Determination on Water Movement Parameters in Populus Euphratica Roots of Ejina County——by Richard Equation and Atmospheric Data

利用Richard方程和气象资料相结合的办法,确定了中国典型的干旱内陆河流──黑河下游额济纳旗地区主要成林的干旱荒漠天然乔木树种──胡杨林地的水分运动参数,主要有导水系数K、比水容量C和水分扩散率D。

To study the laws of plant using water and water movement within soil-plant-atmosphere continuum is closely related to the parameters of water movement.The Richard equation and atmospheric data is firstly used to determine the water movement parameters of Populus euphratica roots at the lower reaches of Heihe River in Ejina County,the arid inland regions of China.The parameters are coefficient of hydraulic conductivity K,specific water capacity C and diffusion coefficient D.