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首页> 外文会议>Flood Defence'2002 vol.2 >Modelling the rainfall-runoff relationship for the Piranhas River basin in the semiarid region of Brazil
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Modelling the rainfall-runoff relationship for the Piranhas River basin in the semiarid region of Brazil

机译：在巴西半干旱地区的Piranhas流域建立降雨-径流关系模型

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This article deals with the hydrological modelling of the runoff by utilising the distributed model NAVMO for the Piranhas river basin, located in the semiarid region of the state of Paraiba, Brazil. The model was first calibrated for a sub-basin of the Piranhas river, the Pianco basin (4550 km~2), and then used to simulate the water discharge in the main basin (～15000 km~2). The analyses were carried out using different groups of parameter values to simulate the discharge of various tributary basins for which data were available. The results obtained showed that the model simulated the discharge reasonably well in all the sub-basins, opening a perspective for future model applications for investigating the effects of land use and climate variabilities on the hydrological responses in the region.
机译：本文利用位于巴西帕拉伊巴州半干旱地区的比拉尼亚斯河流域的分布式模型NAVMO，对径流进行水文模拟。该模型首先在Piranhas河的次流域Pianco盆地（4550 km〜2）上进行了校准，然后用于模拟主盆地（〜15000 km〜2）中的排水量。使用不同组的参数值进行分析，以模拟可获得数据的各种支流盆地的流量。所获得的结果表明，该模型在所有子流域中均能较好地模拟排放，为今后研究土地利用和气候变化对该地区水文响应的影响的模型应用开辟了前景。

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