鄂尔多斯盆地海流兔河流域地表蒸散发研究
A Study of Evapotranspiration in Hailiutu River Basin, Ordos
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摘要: 基于陆地表面能量平衡系统对鄂尔多斯盆地北部海流兔河流域2012年蒸发量进行了反演,对蒸散发量的空间分布进行了分析并讨论了地下水位埋深对蒸发量的影响。结果表明:在枯水期海流兔河流域地表蒸散发的主要影响因素是地表土壤的含水率程度,而在丰水期的主要影响因素是植被覆盖状况和地表土壤的湿润程度;根据计算,海流兔河流域2012年总蒸散发量约为8.76×108 m3。Abstract: Based on SEBS (Surface Energy Balance System), an inversion of evapotranspiration of dry season and rainy season in 2012 in Hailiutu river basin was carried out. The authors analyzed the spatial distribution of evapotranspiration, and discussed the effects caused by depth of groundwater level. The results show that, in dry season, the major factor of influence is the extent of moisture content of surface soil. In rainy season, the major factor of influence is the covered condition of vegetation and the extent of moisture content of surface soil. According to the result, the total evapotranspiration in Hailiutu river basin in 2012 is about 8.76bou8m3.
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Key words:
- energy balance /
- evapotranspiration /
- depth of groundwater level /
- Hailiutu river basin
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