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首页> 外文会议>Flood Forecasting and Water Resources Assessment for IAHS(International Association of Hydrological Sciences)-PUB >The Monthly Discharge Simulation/Construction in upper Yangtze River with Absent or Poor Data Coverage
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The Monthly Discharge Simulation/Construction in upper Yangtze River with Absent or Poor Data Coverage

机译：缺乏数据覆盖率或欠佳数据的长江上游月流量模拟/施工

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Advancing the ability to predict the fluxes of water and associated constituents from ungauged basins, along with estimates of the uncertainty of predictions is one of objectives of the IAHS Decade. The water supplying region of the First Phase of the South-to-North Water Transfer Project (Western Route) is geographically located at the southeast of the Qinghai-Tibetan Plateau, China, where the observed hydrological data coverage is poor. A monthly-scale, spatial-distributed hydrological model with consideration of snow cover and permafrost were developed on the basis of GIS analyses. The results of 4 downstream gauges demonstrated that the Nash-Sutcliffe coefficient exceeded 0.77 either during the calibrated or validated period. Comparisons of simulated results with the short-term observations at the 5 auxiliary stations suggest that the simulations are successful.
机译：IAHS十年的目标之一是提高预测非流域水和相关成分通量的能力以及对预测不确定性的估计。南水北调第一期工程（西线）的供水区域位于中国青藏高原的东南部，那里观测到的水文数据覆盖率很低。在GIS分析的基础上，建立了考虑积雪和多年冻土的月度空间分布水文模型。 4个下游压力表的结果表明，在校准或验证期间，纳什-萨克利夫系数均超过0.77。将模拟结果与5个辅助站的短期观测结果进行比较，表明模拟是成功的。

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