Evaporation from Bare Soil in Extremely Arid Environment in Southern IsraelEnglish Full Text
WANG XUEFENG;XU FUAN and U.SHANI(Institute of Soil Science,Academia Silica,P.O.Box 821,Nanjing 210O08 China)(Department of Environmental Science cud Energy Peaearch,Weizmann Institute of Science,Rehovot 76104 Israel)(Arava Research Station,Eilot 88820 Isr
Abstract: Microlysimeters of different sizes（5 cm 10 cm and 15 cm in length）were used extensively in the present study for the measurements of soil evapondion in site in an extremely arid area in southern Israel.All of the data obtained from the microlysimeters were used to evaluate two conventional eVaporation models developed by Black et al.and Ritchie,respectively.Our results indicated that the models could overestimate total cumulative evaporation by about 30% in the extremely arid environment.Reducing the power factor of the conventional model by a faCtor of 0.1 produced good agreement between the measured and simulated cumulative evaporation.Microlysimeter method proved to be a simple and accurate approach for the evaluation of soil evaporstion.
Keywords：
- Series：
(D) Agriculture
- Subject：
Fundamental Science of Agriculture; Agronomy
- Classification Code：
S152
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