Validity of the Bouchet's complementary relationship at 102 observatories across China
Validity of the Bouchet's complementary relationship at 102 observatories across China作者机构：Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China Key Laboratory of Water Cycle and Related Land Surface Processes Chinese Academy of Sciences Beijing China CSIRO Land and Water Canberra Australia
出 版 物：《Science China Earth Sciences》 (中国科学（地球科学英文版）)
年 卷 期：2009年第52卷第5期
页 面：708-713页
核心收录：
学科分类：07[理学] 070601[理学-气象学] 0708[理学-地球物理学] 0706[理学-大气科学] 0704[理学-天文学]
基 金：Supported by the Presidential Special Award Foundation, the Chinese Academy of Sciences (Grant No. O7R70020SD) the National Key Technology R & D Program (Grant No. 2006BAC08B0408)
主 题：evaporation complementary relationship elevation China
摘 要：Bouchet in 1963 hypothesized that for large homogeneous land surface with minimum advection of heat and moisture,there exists a 1:1 complementary relationship of potential and actual evaporation coupled through land-atmosphere *** complementary relationship has been widely used to estimate regional actual evaporation and explain the pan evaporation *** examine the standardized potential evaporation(potential evaporation divided by wet environment evaporation) at 102 observatories at different elevations across ***,the relationship is appropriate at the low elevations(1000 m).With the increase of elevation,vapor transfer power becomes much less than radiation energy budget because of lower vapor pressure deficit and stronger global solar *** a result,at the high elevations(over 1000 m),the excess energy resulted by limited moisture availability is not enough to be converted into drying power of the *** result suggests that the complementary relationship is asymmetric at the high elevations.
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