“一带一路”西亚地区降水时空特征及空间均衡分析
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Anglysis of spatial-temporal characteristics and spatial equilibrium of precipitation in West Asia area of “Belt and Road”
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    摘要:

    以“一带一路”西亚主体水资源区为研究对象,提取全球高分辨率降水数据集中1961—2016年的数据,运用M-K秩次相关检验和小波分析等方法,分析了“一带一路”西亚主体水资源区的降水时空变化及其空间均衡特征。结果表明:研究期内,降水量均值大小从高到低分别为土耳其地区、伊朗地区和阿拉伯半岛地区;土耳其地区降水量呈轻微上升趋势,伊朗和阿拉伯半岛地区降水量均呈下降趋势,伊朗地区下降趋势更加明显;土耳其、伊朗分别存在8~10 a和20~25 a周期变化特征,阿拉伯半岛地区存在8~10 a和22~25 a两类周期变化特征,其中8~10 a周期为主;阿拉伯半岛西部和中东部地区为研究区内降水最缺乏的地区。

    Abstract:

    Taking the main water resource areas of West Asia area in the “Belt and Road” as the research area, the precipitation data of climatic research unit(CRU)dataset from 1961 to 2016 were extracted to analyze the spatial-temporal change and spatial equilibrium characteristics of the precipitation of the research area by using the method of M-K rank correlation test and wavelet analysis. The results show that during the study period, the mean precipitation ranges from high to low are Turkey, Iran, and Arabia Peninsula. The precipitation in Turkey is slightly rising. The precipitation in Iran and Arabia Peninsula shows a decreasing trend, and the decreasing trend in Iran is more obvious. There are 8~10 a and 20~25 a cycle variations in Turkey and Iran. In the Arabia Peninsula, there are 8~10 a and 22~25 a cycle variations, of which 8~10 a is the main cycle variation. The western and middle eastern parts of Arabian Peninsula are the most scare area of precipitation in the research area.

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王豪杰,左其亭,郝林钢,等.“一带一路”西亚地区降水时空特征及空间均衡分析[J].水资源保护,2018,34(4):35-41.(WANG Haojie, ZUO Qiting, HAO Lingang, et al. Anglysis of spatial-temporal characteristics and spatial equilibrium of precipitation in West Asia area of “Belt and Road”[J]. Water Resources Protection,2018,34(4):35-41.(in Chinese))

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  • 收稿日期:2018-02-28
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  • 在线发布日期: 2018-06-27
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