摘要
农业节水管理的目标之一是减少灌溉区无效水分蒸发,提高水分利用效率,增加农作物产量。基于遥感监测ET技术,可实现灌区大范围、高精度、连续性的水分消耗监测。根据遥感监测ET及有效降水数据,对河北省馆陶县冬小麦、夏玉米和棉花3种主要农作物进行耗水分析,获得作物的耗水规律,为农业节水管理提供依据。
One of the objectives of agricultural water saving management is to reduce irrigated areas invalid evaporation, improve water use efficiency and increase crop yields. The technology of remote sensing monitoring ET can achieve large-scale, high-precision, continuous monitoring of water consumption. According to the ET remote sensing monitoring and effective precipitation data of Guantao County, it is analyzed of the three crops selected with winter wheat, summer maize and cotton to calculate the main crop water consumption law, and to provide essential evidence for agricultural water saving management.
出处
《海河水利》
2016年第5期4-7,共4页
Haihe Water Resources
关键词
遥感监测
耗水量(ET)
耗水规律
有效降水
remote sensing monitoring
evapotranspiration（ET）
water consumption law
effective precipitation
