Sensitivity of mass transfer-based evaporation equations to errors in daily and monthly input data

被引：0

作者：

Singh, VP ^{[1
]}

Xu, CY ^{[1
]}

机构：

[1] LOUISIANA STATE UNIV,DEPT CIVIL & ENVIRONM ENGN,BATON ROUGE,LA 70803

来源：

HYDROLOGICAL PROCESSES | 1997年 / 11卷 / 11期

关键词：

evaporation; mass-transfer method; sensitivity analysis of data errors;

D O I：

10.1002/(SICI)1099-1085(199709)11:11<1465::AID-HYP452>3.0.CO;2-X

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

The influence of data errors on the performance of mass transfer-based evaporation equations was investigated for both monthly and daily data from a climatological station in the State of Vaud in Switzerland. Evaporation estimates were found to be particularly sensitive to vapour pressure gradient, less sensitive to wind speed and most insensitive to temperature. A quantitative analysis showed that: (1) systematic errors in vapour pressure data influenced evaporation estimates inversely to more or less the same magnitude for both monthly and daily cases; (2) systematic errors in wind speed and temperature data influenced evaporation estimates inversely to the magnitude of about a half and a quarter of the magnitude of the influence of vapour pressure errors, respectively; and (3) evaporation estimates were much more sensitive to random errors in the case of monthly data than daily data. (C) 1997 John Wiley & Sons Ltd.

引用

页码：1465 / 1473

页数：9

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