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huang he xia you shui liang bu ping heng yin su yan jiu
Author(s): 
Pages: 43-45
Year: Issue:  9
Journal: YELLOW RIVER

Keyword:  水量平衡测验精度引水量蒸散发渗漏耗水量黄河下游;
Abstract: 黄河下游花园口-利津河段多年平均水量平衡差值为-29.73亿m3.为确定水量不平衡原因,进行了水文站测验精度评价、引黄水量测验精度分析、用遥感技术提取河道土地利用信息、未控引水及滩区用水量调查、蒸散发和渗漏耗水量试验等,修正后的计算结果表明,水量平衡差值年均为-9.84亿m3,相对差为-4.6%,较以前有明显改善.
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