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估算水面蒸发量的一种热力学方法
康绍忠1
西北农业大学 水利系
摘要:
本文用热力学观点来阐述水面蒸发这一物理过程,得到了一个计算水面蒸发量的半理论半经验公式。经山面临猗、陕西武功、甘肃武威和湖北荆门等站的实测资料验证,其精度较高。
关键词:  水面蒸发量,估算,水势梯度,热力学
DOI:
分类号:
基金项目:
A THERMODYNAMIC METHOD FOR ESTIMATING WATER SURFACE EVAPORATION
Kang Shaozhong
Abstract:
This paper describes the physical process of water surface evaporation in view fo thermodynamics from which a semi-theoretical and semiemperical formula for estimating water surface evaporation has been obtained.This formula is tested to be very accurate by the measured data from various weatehr stations located in Linyi;Shanxi;wugong,Shaanxi;wuwei,Gansu and Jingmen,Hubei.
Key words:  an amount of water surface evaporation,estimation,hydrodynamic gradient,thermodynamics