| 2006—2015年山东短时强降水时空分布特征 |
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| 引用本文： | 杨学斌,代玉田,王宁,周成.2006—2015年山东短时强降水时空分布特征[J].山东气象,2018,38(2):103-109. |
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| 作者姓名： | 杨学斌 代玉田 王宁 周成 |
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| 作者单位： | （德州市气象局，山东 德州 253078） |
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| 基金项目： | 中国气象局预报员专项（CMAYBY2016-040）；山东省气象局重点课题（2012sdqxz04，2015sdqxz03） |
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| 摘 要： | 利用山东2006—2015年5—9月123个国家级气象观测站10 a逐小时降水量资料，统计分析了山东短时强降水的时空分布特征，结果表明：1）站次时空分布不均。鲁南易出现短时强降水，2013年最多，达到了564站次，7月最多，平均207站次，多出现在傍晚前后和凌晨。2）极值时空分布差异较大。10 a单站极值大值区分布在鲁西北、鲁南和半岛东部，2009年最多，为17站，且多夜间发生；10 a中年度极值均出现在13:00—次日02:00，8月最多，为7次。3）5、6、9月局地和小范围短时强降水天气过程所占比例较大，7—8月大范围短时强降水过程明显增加。
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| 关 键 词： | 山东 短时强降水 时空分布 |
| 收稿时间： | 2016/11/18 0:00:00 |
| 修稿时间： | 2017/12/19 0:00:00 |
Spatial and temporal distribution of short-term heavy rainfall in Shandong from 2006 to 2015 |
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| YANG Xuebin,DAI Yutian,WANG Ning,ZHOU Cheng.Spatial and temporal distribution of short-term heavy rainfall in Shandong from 2006 to 2015[J].Journal of Shandong Meteorology,2018,38(2):103-109. |
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| Authors: | YANG Xuebin DAI Yutian WANG Ning ZHOU Cheng |
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| Institution: | (Dezhou Meteorological Bureau, Dezhou 253078, China) |
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| Abstract: | Based on hourly precipitation data from 123 national meteorological observation stations in Shandong from May to September from 2006 to 2015, the spatial and temporal distribution characteristics of short-term heavy rainfall are analyzed. The results are as follows. 1) The spatial and temporal distribution was uneven. It is found that short-term strong rainfall was more likely to appear in the south of Shandong. In 2013, it amounted to 564 stations and topped in July, mostly at dusk and dawn. The average was 207 stations. 2) The spatial and temporal distribution of extrema differed greatly. Single station of high value lied in the northwest and the south of Shandong and the east of the Shandong Peninsula. Seventeen stations had high value in 2009 mostly during the night. The annual extrema all appeared from 13:00 to 02:00 next day. There were 7 extrema in August. 3) There were more local and smal-scale short-term strong rainfall in May, June and September. And large scale short-term strong rainfall obviously increased from July to August. |
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| Keywords: | Shandong short term strong rainfall spatial and temporal distribution |
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