提出了基于能量平衡方法遥感反演蒸散发的计算模型。
The evapotranspiration estimation model is presented based on energy balance through remote sensing.
介绍了佳木斯市精测研究区蒸散发量的各种计算方法。
Various calculating methods of evaporation for the precision survey research area of Jiamusi city were introduced.
结合气象观测数据反演作物系数，最后计算月蒸散发量。
With aid of observed climate data, FAO Penman-Monteith equaption is used to calculate the reference ET and crop coefficient.
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 computation of evapotranspiration over extensive and heterogeneous land surface, especially over the cold and arid region is quite complicated.
用水量平衡法计算的流域多年平均实际蒸散发量对估算结果进行检验。
Actual evapotranspiration was reckoned by model and results were verified by explored the secular annual mean basin actual evapotranspiration which was calculated from water model.
采用分散式的三层蒸散发模型和水分传递方程，模拟流域蒸散发过程。
With dispersed triplex evaporation and diffusion model and moisture transfer equation, process of evaporation and diffusion in a basin is simulated.
利用灌区下垫面分类明显的特点，用加权平均法解决下垫面对流域蒸散发的影响；
Weighted average method is used to study the soil cover′s effect on the evapotranspiration in irrigated watershed.
对于不同地区只要调整净辐射折算系数便可解决由蒸散发瞬时值求算全天值的困难。
As in different area, adjusting net radiation convert coefficient only can solve the daily evapotranspiration calculation problem from the instantaneous evapotranspiration value.
土壤蒸散发量的计算，在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
单元水文模型涉及到冠层截留、融雪、蒸散发、坡面流、非饱和土壤水运动和地下水出流等水文物理过程。
The former concerns with hydrological processes such as canopy interception, snowmelt, evapotranspiration, slope flow, soil flow and ground flow.
单元水文模型涉及到冠层截留、融雪、蒸散发、坡面流、非饱和土壤水运动和地下水出流等水文物理过程。
The former concerns with hydrological processes such as canopy interception, snowmelt, evapotranspiration, slope flow, soil flow and ground flow.
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