An estimation of evapotranspiration by simple models in the semi arid Mediterranean zone of the North-West of Algeria

被引:0
|
作者
Rezak S. [1 ]
Khaldi A. [2 ]
Rahal F. [1 ]
机构
[1] Department of Architecture, University of Science and Technology Mohamed Boudiaf of Oran, BP 1505, El M'naouer-Oran
[2] Department of Hydraulic, University of Science and Technology Mohamed Boudiaf of Oran, BP 1505, El M'naouer-Oran
来源
Int. J. Hydrol. Sci. Technol. | / 4卷 / 390-401期
关键词
Blaney-Criddle; Bouchet; Evapotranspiration; Linacre; Piche; Romanenko;
D O I
10.1504/IJHST.2017.087930
中图分类号
学科分类号
摘要
Four temperature-based evapotranspiration models were applied and compared to daily measurements obtained by a Piche evaporimeter in a Mediterranean climate zone of the semi arid type in the North-West of Algeria. Direct measurements of evaporation obtained by Piche on five stations were corrected by the Bouchet model. Evapotranspiration was calculated according to the following models: Blaney-Criddle, Blaney-Criddle (SCS), Linacre and Romanenko. The results showed that the best model is the Blaney-Criddle (SCS) one which gave excellent results for almost all of the stations studied, presenting the lowest statistical parameters [root mean squared error (RMSE), mean bias error (MBE) and t-statistic and a higher index of agreement (d). The Blaney-Criddle (SCS) also showed the lowest overestimation of evapotranspiration compared with other models. Therefore, the Blaney-Criddle (SCS) model is the most suitable model for estimating the daily evapotranspiration when direct evaporation measurements are not available.
引用
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页码:390 / 401
页数:11
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