黄浦江上游径流量变化与影响分析
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上海市水文总站

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P332

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Analysis of discharge variation and influence in the upstream of Huangpu River
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Shanghai Hydrology Station

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    摘要:

    近二十年来黄浦江上游来水大幅增加,为定量分析流量变化,主要采用距平分析及P-Ⅲ频率分析等方法,确定水文周期及典型年流量。结果显示:1962-2002年为一个完整的自然水文周期,在此周期内黄浦江上游年均流量为318 m3/s;近二十年黄浦江上游年均流量为623 m3/s,重现期达两百年一遇;来水增多与流域降水并无明显相关性,主要为引江济太等跨流域引调水措施、城市化加强、河道工程和圩区建设等因素所致。水文情态的显著改变,对水文监测、管理、建设等诸多方面产生不容忽视的影响。

    Abstract:

    It can be seen that the discharge of the upper reaches of Huangpu River in the past 20 years has increased significantly, the change of discharge was analyzed quantitatively by anomaly analysis and P-III frequency analysis to determine the hydroperiod and typical annual discharge. The result shows that 1962-2002 was a hydroperiod, during which the average annual charge of the upper reaches of the Huangpu River was 318m3/s; the annual average discharge of the Huangpu River in the past 20 years was 623m3/s,with a return period of once in 200 years; there is no significant correlation between the increase of discharge and the basin precipitation, which is mainly caused by the Interbasin Water Transfer Project such as the Yangtze-Taihu Water Diversion, urbanization, river channel engineering and polder construction. The significant change of hydrological modality has impacts on hydrometry, management and construction that cannot be ignored.

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历史
  • 收稿日期:2023-09-21
  • 最后修改日期:2024-01-15
  • 录用日期:2024-01-15
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