[1]蔡元刚,吴婷婷,张文千,等.基于REOF的四川省高温热浪时空分布特征分析[J].自然灾害学报,2018,(02):201-208.[doi:10.13577/j.jnd.2018.0223]
 CAI Yuangang,WU Tingting,ZHANG Wenqian,et al.Spatial and temporal distribution characteristics of heatwave in Sichuan Province based on REOF[J].,2018,(02):201-208.[doi:10.13577/j.jnd.2018.0223]
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基于REOF的四川省高温热浪时空分布特征分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2018年02期
页码:
201-208
栏目:
出版日期:
2018-04-28

文章信息/Info

Title:
Spatial and temporal distribution characteristics of heatwave in Sichuan Province based on REOF
作者:
蔡元刚1 吴婷婷1 张文千3 蔡怡亨3 王劲廷2 蒲明1
1. 绵阳市气象局, 四川 绵阳 621000;
2. 四川省气候中心, 四川 成都 610072;
3. 南京信息工程大学, 江苏 南京 210044
Author(s):
CAI Yuangang1 WU Tingting1 ZHANG Wenqian3 CAI Yiheng3 WANG Jinting2 PU Ming1
1. Mianyang Meteorologic Bureau, Mianyang 621000, China;
2. Climate Center of Sichuan Province, Chengdu 610072, China;
3. Nanjing Information Engineering College, Nanjing 210044, China
关键词:
四川高温热浪REOF时空特征区划
Keywords:
Sichuanhigh temperature heatwaveREOFspatial and temporal characteristicsdivision
分类号:
P462;X43
DOI:
10.13577/j.jnd.2018.0223
摘要:
本文采用高温热浪的国家标准计算四川省155个站点1959—2016年5~9月逐日热浪等级并统计热浪天数,采用REOF分析研究四川省高温热浪的时空变化特征,用"取最小分类值法"将四川高温热浪划分为盆地盛夏热浪区、盆周盛夏热浪区、攀西南部初夏热浪区、盆南盛夏热浪区和常年无热浪区5个区域。结果表明:(1)四川省高温热浪自20世纪90年代以来呈明显增多趋势,其间2006年和2016年尤为显著;(2)四川高温热浪具有明显的地域特征,以盆地盛夏热浪区范围最大、高温热浪强度最强,其次是盆周盛夏热浪区,攀西南部初夏热浪区和盆南盛夏热浪区范围较小;(3)各个热浪类型区域的阶段性变化有所不同,盆地盛夏热浪区20世纪60—70年代高温热浪有增多的趋势,80—90年代前期高温热浪偏少偏弱(受凉夏影响,其它各区类似),1995年开始高温热浪增多增强趋势十分明显;盆周盛夏热浪区,1998年以前少有高温热浪,1998年以后增多增强,2016年高温热浪罕见;盆南盛夏热浪区20世纪60年代至70年代高温热浪趋弱,80年代和90年高温热浪天气较少,2003年以后增多增强,2013年高温热浪尤为突出;攀西南部初夏热浪区,2005年以前出现高温热浪的机率较小,2005年以后明显增多增强,2014年强高温热浪最强。
Abstract:
This paper used the national standard of high temperature heatwave to calculate daily heatwave grades and count the number of days of heatwave in 155 stations in Sichuan Province during May to September from 1959 to 2016 and used REOF to analyze the spatial and temporal variation characteristics of high temperature heatwave in Sichuan Province. Using the ‘minimum value classification’ method, the heatwave in Sichuan will be geographically divided into 5 areas, they are ‘in the basin in midsummer’, ‘around the basin in midsummer’, ‘in the southwest of Panxi in early summer’ and ‘perennial without heatwave’. The results show:1)High temperature heatwave in Sichuan Province has been shown a significant increase in the trend and it was particularly remarkable in 2006 and 2016;2)Sichuan high temperature heatwave has obvious geographical characteristics. The area of ‘in the basin in midsummer’ is the largest one and has the strongest intensity of high temperature heatwave, followed by ‘around the basin in midsummer’ area, and other areas have less impact;3) The stage change of each heatwave type is different. In the area of ‘in the basin in midsummer’, high temperature heatwave had an increasing trend from the 1960s to the 1970s, then it became less and weaker from 1980s to the early 1990s, and the increased trend of high temperature heatwave has been very obvious from 1995;In the area of ‘around the basin in midsummer’, there was a little high temperature heatwave before 1998. After 1998, It is increasing. But the high temperature heat wave of 2016 was rarely seen. In the area of ‘in the south of the basin in midsummer’, high temperature heatwave had a decreasing trend from the 1960s to the 1970s,then there was less high temperature heatwave weather from 1980s to 1990s,and it is increasing since 2003.In 2013,it was especially prominent. In the area of ‘in the southwest of Panxi in early summer’, the chances of high temperatures before 2005 were small. But after that, it was significantly increased and reached the strongest in 2014.

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相似文献/References:

[1]刘建军,郑有飞,吴荣军.热浪灾害对人体健康的影响及其方法研究[J].自然灾害学报,2008,(01):151.
 LIU Jian-jun,ZHENG You-fei,WU Rong-jun.Impacts of heat waves disaster on human health and its research method[J].,2008,(02):151.

备注/Memo

备注/Memo:
收稿日期:2017-03-22;改回日期:2017-08-18。
作者简介:蔡元刚(1967-),男,高级工程师,硕士研究生,主要从事农业气象服务及气候分析.E-mail:mycyg@126.com
更新日期/Last Update: 1900-01-01