Estimation of evaporation in semi-arid environment

What is it about?

Many researchers applied indirect methods to estimate evaporation from water open body. These methods varied greatly in their ability to define the magnitude and variability of evaporation. Evaporation rates from Algardabiya Reservoir (Sirte-Libya) were measured directly by class A pan and estimated using three selected models. Various statistical measures such as the root mean square error (RMSE), the mean bias error (MBE) and coefficient of determination (R2) were used to evaluate the performance of the three selected models. The selected models were the Linacre, the DeBruin and the Harbeck.

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Why is it important?

Although some works have been published on evaporation from lakes and reservoirs, it appears that evaporation from Algardabiya Reservoir has not been studied before. Thus, the major goals of the present research were to highlight how serious the water loss by evaporation from the reservoir and to check the accuracy of several selected models, which are based on mass transfer and energy balance approaches. This also will help to estimate the evaporation from Algardabiya Reservoir by using the model with reasonable accuracy.

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