旱作物灌溉用水预测公式  

The Irrigation Water Forecast Models for Drought Crop

作　　者：陈乐湘[1] 钟平安[1] 陆宝宏[1] 

机构地区：[1]河海大学水资源环境学院,江苏南京210098

出　　处：《水文》2002年第6期29-31,35,共4页Journal of China Hydrology

摘　　要：从土壤湿润层水量平衡出发,推导出旱作物灌溉用水预测公式,利用历史实测灌溉用水及同期降雨资料率定有关参数,根据降雨预报资料预测灌溉用水量。方法简便,适用于种植结构不明的灌区,特别是数个灌区构成的灌溉区域。The irrigation water forecast models of drought crop is presented in the paper based on water balance equation in soil moist layer.The parameters are calibrated using historical irrigation water supply and rainfall data,then the water demand of drought crop is calculated to forecast practical irrigation water amount according to predicted rainfall in the irrigation area.The presented method can be used for the irrigation area,where crop constitution is not clearly,especially for the irrigation region including several irrigation districts.

关 键 词：旱作物 灌溉 供水 预测 土壤湿润层 农业 

分 类 号：S274[农业科学—农业水土工程]