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The Modeling of the Atmospheric Boundary Layer over Inhomogeneously Moistened Surface as a Tool for Evapotranspiration Estimation
Russian Meteorology and Hydrology ( IF 0.7 ) Pub Date : 2021-03-19 , DOI: 10.3103/s1068373920120031
E. D. Nadezhina , I. M. Shkol’nik , A. V. Sternzat , A. A. Pikaleva , B. N. Egorov

Abstract

The skills of a method to estimate evapotranspiration from a heterogeneous surface, including irrigated lands, based on the quantitative description of the deformation of vertical distributions of specific humidity at the windward and leeward boundaries of the site are considered in the framework of numerical regional climate modeling and a detailed description of the atmospheric boundary layer evolution. It is shown that the average values of evapotranspiration from a heterogeneous surface are mainly determined by the area of irrigated fields and do not almost depend on the number and size of inhomogeneities. Based on numerical experiments, we analyzed the wind speed effect on the spatial distribution of evapotranspiration in arid regions, including irrigated lands.



中文翻译:

非均匀湿润表面上的大气边界层建模作为蒸发蒸腾估算的工具

摘要

在数值区域气候模拟框架内考虑了基于定量描述场地上风和背风边界处垂直湿度垂直分布变形的方法来估算包括灌溉土地在内的非均质表面的蒸散量的方法的技能。并详细描述了大气边界层的演化。结果表明,来自异质表面的蒸散量的平均值主要取决于灌溉田的面积,并且几乎不取决于非均质性的数量和大小。基于数值实验,我们分析了风速对干旱地区(包括灌溉土地)的蒸散量空间分布的影响。

更新日期:2021-03-19
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