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-  2006 

全球气候变化对黄河流域天然径流量影响的情景分析

DOI: 10.11821/yj2006020010

Keywords: 气候变化,干旱指数,蒸发率函数,径流量,黄河流域

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Abstract:

摘要: 本文从干旱指数蒸发率函数出发,以HadCM3 GCM对降水和温度的模拟结果为基础,在IPCC不同发展情景下,分析了未来近100年内黄河流域天然径流量的变化趋势。研究结果表明,在不同气候变化情景下,多年平均年径流量的变化随着区域的不同而有显著差异,其变化幅度在-48.0%203.0%之间。全球气候变化引起的多年平均天然径流量的变化从东向西逐渐减小。就黄河流域而言,20062035年、20362065年、20662095年A2情景下(人口快速增长、经济发展缓慢)多年平均天然径流量的变化量分别为5.0%、11.7%、8.1%,B2情景下(强调社会技术创新)相应的变化分别为7.2%、-3.1%、2.6%。

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