黑河山区草地蒸散发量估算方法研究

冰川冻土 ›› 2003, Vol. 25 ›› Issue (5): 558-565.

• 大气-植被-土壤相互作用研究 • 上一篇下一篇

黑河山区草地蒸散发量估算方法研究

王书功, 康尔泗, 金博文, 王新平

中国科学院, 寒区旱区环境与工程研究所, 甘肃, 兰州, 730000

收稿日期:2003-05-17 修回日期:2003-07-25 出版日期:2003-10-25 发布日期:2012-04-26
作者简介:王书功(1976-), 男, 河北唐山人, 2000年毕业于兰州大学, 现为中国科学院寒区旱区环境与工程研究所博士研究生, 主要从事水文与水资源研究.E-mail:wangsg@ns.lzb.ac.cn
基金资助:
中国科学院知识创新工程方向性项目(KZCX3-SW-329);中国科学院知识创新工程重大项目(KZCX1-10-03-01)资助

A Study of Estimation of Evapotranspiration on Grass Land in the Mountains of Hei River Basin

WANG Shu-gong, KANG Er-si, JIN Bo-wen, WANG Xin-ping

Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanshou Gansu 730000, China

Received:2003-05-17 Revised:2003-07-25 Online:2003-10-25 Published:2012-04-26

摘要/Abstract

摘要： 针对黑河山区草地蒸散发估算,提出了两种草地蒸散发量估算方法,即基于Penman Monteith方程的方法和基于Priestly-Taylor方程的方法,并将这两种方法和SHAW模型作了对比分析.两种方法与SHAW模型计算精度相近,但输入变量数量比SHAW模型要少,尤其是基于Priestly-Taylor方程的方法.

关键词: 蒸散发潜力, 实际蒸散发, 黑河山区草地, 蒸散发量估算

Abstract: Estimation of evapotranspiration is an important aspect in the research and computation of water balance and runoff processes in the inland river basins of the arid area of northwest China. Especially, the development of runoff models in the inland river basins meet problems in the estimation of evapotranspiration. However, because of lack of the measurement and researches on evapotranspiration in the inland river basins, there are still not the effective methods to estimate evapotranspiration in accordance with the characteristics of climate, hydrology, ecology and environment. This paper is intended to investigate the estimation methods of grass land evaportranspiration in the mountain area of Hei River Basin in the arid area of northwest China. Based on the preceding researches, this paper puts forward two estimation methods of evapotranspiration: one is based on Penman-Monteith equation, another is based on Priestly-Taylor equation. Then this paper makes a comparison between the results of the two methods and the result of SHAW model. The comparison shows that the two methods suggested in this paper obtain the similar results in good fitness to the results simulated with SHAW model. Contrasting to SHAW model, the two methods in this paper require less parameters, especially the method based Priestly-Taylor equation is more convenient to apply in the mountains of the inland river basins. Because fewer observations about meteorology and hydrology, the two methods recomended in this paper are good choice in the estimation of evapotranspiration in the mountain area of the Hei River Basin.

Key words: potential evaportranspiration, actual evaportranspiration, mountain grass land of the Hei River Basin, estimation of evapotranspiration

中图分类号:

S812.1

王书功, 康尔泗, 金博文, 王新平. 黑河山区草地蒸散发量估算方法研究[J]. 冰川冻土, 2003, 25(5): 558-565.

WANG Shu-gong, KANG Er-si, JIN Bo-wen, WANG Xin-ping. A Study of Estimation of Evapotranspiration on Grass Land in the Mountains of Hei River Basin[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2003, 25(5): 558-565.

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黑河山区草地蒸散发量估算方法研究

A Study of Estimation of Evapotranspiration on Grass Land in the Mountains of Hei River Basin

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