汉江下游河段水文特性研究
China Water Transport（2017）
Abstract
受丹江口水库大坝加高和调水的影响,汉江下游来水来沙发生了变化.汉江下游河段在调水后总水量减少,且每年受长江水位顶托影响时间较长,通过对典型年的实测水文数据资料计算分析,研究汉江下游河段流量、水位和比降的变化.结果表明调水后汉江下游总体表现为洪峰削减、中水流量持续时间减少、枯水流量历时加大,相同流量下,汉川水位相差超过10m.
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