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宁夏中部风沙区地表径流预报模型研究 被引量:8

Study on Surface Runoff Forecasting Model of Wind and Sandy Region in the Central Area of Ningxia
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摘要 宁夏中部干旱与半干旱风沙区属于典型的水蚀风蚀交错带,水资源的合理利用对改善该地区乃至所处的区域生态环境十分重要。利用美国农业部土壤保持局开发的径流曲线模型结合实测的降雨资料,得到该地区地表径流预报模型。该模型可利用年降雨量推求大、中流域的年地表径流量,资料易于获得,经检验具有较好的精度。在模型推导过程中,还得出该地区有效降雨量(产流降雨量)为12.7mm,多年平均产流降雨次数为3.8次。
出处 《人民黄河》 CAS 北大核心 2004年第2期29-30,43,共3页 Yellow River
基金 国家"十五"重大科技攻关项目"宁夏河东沙地退化草场植被恢复与风蚀沙化防治技术示范区(盐池)(2002BA517A)" 宁夏回族自治区水土保持局共同资助。
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