| 亚马逊流域降雨径流时空变化分析 |
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| 引用本文： | 曹爽,秦天玲,石晓晴,孙若尘,景兰舒.亚马逊流域降雨径流时空变化分析[J].水文,2018,38(1):90-96. |
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| 作者姓名： | 曹爽 秦天玲 石晓晴 孙若尘 景兰舒 |
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| 作者单位： | 北京工业大学建筑工程学院;中国水利水电科学研究院水循环模拟与调控国家重点实验室;郑州大学水利与环境学院;河北工程大学水利水电学院; |
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| 基金项目： | 国家重点研发计划项目:陆地-水文耦合模式构建与全球陆地水资源演变趋势预测(2016YFA0601503)； |
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| 摘 要： | 基于全球降雨气候中心(GPCC)和全球径流数据中心(GRDC)的降雨径流资料,选择亚马逊流域16个测站,利用三次样条、Mann-Kendall法、Yamamoto检验、最大熵谱法和小波分析法,分析了各子流域的年降水量和年径流量的趋势性、周期性、突变性,并对降水、径流的时间变化和空间分布进行分析。结果表明:整个流域降水量和径流量随时间变化呈增加趋势;其降雨分布不均,南多北少;年降水倾向率有明显空间差异,近50年,流域上、下游径流增加,中游径流减少,整体则有微弱增长。
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| 关 键 词： | 降雨 径流 趋势性 周期性 突变性 亚马逊流域 |
| 收稿时间： | 2016/11/8 0:00:00 |
Time-spatial Distribution of Rainfall and Runoff in Amazon Basin |
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| CAO Shuang,QIN Tianling,SHI Xiaoqing,SUN Ruochen,JING Lanshu.Time-spatial Distribution of Rainfall and Runoff in Amazon Basin[J].Hydrology,2018,38(1):90-96. |
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| Authors: | CAO Shuang QIN Tianling SHI Xiaoqing SUN Ruochen JING Lanshu |
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| Abstract: | Based on the rainfall-runoff data obtained from GPCC (Global Precipitation Climatology Centre) and GRDC (Global RunoffData Centre), this selected 16 stations in the Amazon Basin to analyze the trend, periodicity and mutation of the annual precipitationand runoff in the various sub-basins, and analyzed the variation of runoff in time and spatial distribution, by using Cubic SplineInterpolation, Mann-Kendall method, Yamamoto test, Maximum Entropy method and Wavelet Analysis. The results show that thereis an increase in precipitation and runoff in the whole basin. The distribution of rainfall is uneven, with the north experiencinglesser rain than the south. In the past 50 years, the runoff has increased in the upper and lower parts of the basin. The runoff inthe middle has reduced, but the decrease was lesser than the increase. There is a slight increase in the overall trend. |
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| Keywords: | rainfall runoff tendency periodicity mutability Amazon Basin |
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