Surface evapotranspiration has obvious spatial variability, but traditional measurement methods are based on point measurements.
陆地表面的腾发量分布具有很大的空间变异性，而传统方法只能进行点上的计算。
Finally, the problems faced in the research of the land surface evapotranspiration based on the remote sensing technology and its future development trends were analyzed.
分析了目前遥感蒸散研究所面临的问题和发展趋势。
The theories of several methods of regional evapotranspiration, such as land surface energy balance and complementary relationship of land surface evapotranspiration were analyzed firstly.
本文首先分析了目前常用的几种陆面蒸散方法的理论基础；
They found that, averaged over the entire globe, the evapotranspiration effects of plants account for 16% of warming of the land surface, with greenhouse effects accounting for the rest.
他们发现，在全球平均范围之上，16%的土地表面变暖是由植物蒸发作用引起的，而剩下的是由温室效应引起的。
Soil evaporations are mainly affected by surface soil moisture. Evapotranspiration change from the development process.
土壤蒸发主要受表层土壤含水量的影响，蒸发蒸腾随作物发育进程发生剧烈的变化。
The large planted surface area stimulates evapotranspiration, which helps keep visitors nice and cool.
亭子上大片的植被覆盖面起到蒸发蒸腾作用，这样亭子里的游客会感觉舒适凉爽。
The computation of evapotranspiration over extensive and heterogeneous land surface, especially over the cold and arid region is quite complicated.
大范围非均匀陆表域的蒸散发计算非常复杂，在寒、旱区更甚。
The amount of evapotranspiration of farm land can be calculated by multiplying the largest possible evaporation capacity of water surface with a special coefficient.
用它计算的水面最大可能蒸发量乘以一定系数，便可换算成农田蒸散量。
The amount of evapotranspiration of surface irrigation field was a little larger than that of sprinkler irrigation field.
喷灌农田的作物蒸散量通常小于地面灌农田。
The micrometeorological methods for calculating evapotranspiration, which not destroy ground surface, can be used to measure an even formed stand.
微气象学法不破坏下垫面，适用于整齐均一的作物与林木蒸散的测定；
The surface water deficit index is extracted based on the dual-layer evapotranspiration model, including soil water evaporation and vegetation transpiration.
地表缺水指数是通过基于亚像元的双层蒸散模型提取的，它既考虑了土壤的水分蒸发，又考虑了植被的蒸腾。
The surface water deficit index is extracted based on the dual-layer evapotranspiration model, including soil water evaporation and vegetation transpiration.
地表缺水指数是通过基于亚像元的双层蒸散模型提取的，它既考虑了土壤的水分蒸发，又考虑了植被的蒸腾。
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