甘肃玛曲县近40 a 潜在蒸散量的变化趋势
汪治桂 ,王建兵 ,冯景昌 ,王素萍
Trends of Potential Evapotranspiration in Maqu County of Gansu Province in Recent 40 Years
J4 . 2011, (4): 488 -491 .