[1]张华,王岚,刘剑刚,等.吉林省热量资源的时空变化特征[J].自然灾害学报,2018,(05):169-178.[doi:10.13577/j.jnd.2018.0519]
 ZHANG Hua,WANG Lan,LIU Jiangang,et al.Spatiotemporal variation of heat resources in Jilin Province[J].,2018,(05):169-178.[doi:10.13577/j.jnd.2018.0519]
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吉林省热量资源的时空变化特征
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2018年05期
页码:
169-178
栏目:
出版日期:
2018-10-28

文章信息/Info

Title:
Spatiotemporal variation of heat resources in Jilin Province
作者:
张华 王岚 刘剑刚 曹永强 于淼 刘大齐
辽宁师范大学 城市与环境学院, 辽宁 大连 116029
Author(s):
ZHANG Hua WANG Lan LIU Jiangang CAO Yongqiang YU Miao LIU Daqi
School of Urban and Environmental, Liaoning Normal University, Dalian 116029, China
关键词:
吉林省热量资源积温突变时空变化
Keywords:
Jilin Provinceheat resourcesaccumulated temperaturemutationspatiotemporal variation
分类号:
P467;X16
DOI:
10.13577/j.jnd.2018.0519
摘要:
根据1960—2017年吉林省21个气象站的逐日气温资料,采用5日滑动平均、气候倾向率、M-K突变检验等方法,分析了各热量要素的时空变化特征,结果表明:(1)近58年全省气温普遍增加,年均温、≥0℃和≥10℃积温气候倾向率分别为0.30℃/10 a、61.58℃·d/10 a和60.02℃·d/10 a;稳定通过≥0℃、≥10℃的持续日数普遍增多(2.54 d/10 a、2.23 d/10 a)、初日普遍提前(-1.47 d/10 a、-0.93 d/10 a)、终日普遍延后(1.12 d/10 a、1.27 d/10 a)。(2)≥0℃和≥10℃积温序列突变年集中于20世纪90年代,突变特征同样反映持续日增加、初日提前和终日延后的变化趋势。(3)≥0℃和≥10℃积温的空间分布均具有两个增幅中心,即以西部平原区和东部山区的低地为高值中心。(4)≥2 500℃积温带的面积占全省80%以上,并在短期内仍有扩大趋势;对比突变前后,积温带有明显的北进东移趋势,其方向是由低海拔的西部平原指向更高海拔的东部山脉。
Abstract:
Based on the data into daily mean temperature from 21 weather stations in Jilin province during 1960-2017, the spatiotemporal variation in heat resources were analyzed using the methods of five-day sliding average, climatic tendency rate and Mann-Kendall mutation test. The results show that, in the past 58 years, the air temperature was generally increased throughout the province. The climatic trend rate of the annual average temperature and the accumulated temperature steadily above 0℃ and 10℃ was 0.30℃/10 a, 61.58·d/10 a and 60.02℃·d/10 a respectively. The beginning day of accumulated temperature steadily above 0℃ and 10℃ has been ahead of schedule, while the ending day was delayed and the durative day was prolonged obviously, which also reflected by the Mann-Kendall test about the variation tendency, and the climatic trend rate of the durative day, beginning day and ending day of accumulated temperature steadily above 0℃ and 10℃ was 2.54 d/10 a, 2.23 d/10 a, -1.47 d/10 a, -0.93 d/10 a, 1.12 d/10 a, 1.27 d/10 a respectively. The warming center of accumulated temperature steadily above 0℃ and 10℃ was distributed among the western plains and the lowland of eastern mountains. The area with accumulated temperature of above 2 500℃ accounts for more than 80% of the Jilin province, and it still has an expanding trend in the short term. Before and after the mutation, it’s found the accumulated temperature zone has extended from the western plains with low altitude to the eastern mountain with higher altitude obviously.

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备注/Memo

备注/Memo:
收稿日期:2018-04-08;改回日期:2018-05-24。
基金项目:国家自然科学基金项目(51779114,41271064);辽宁省教育厅基金项目(L201783640)
作者简介:张华(1965-),女,教授,博士,主要从事自然地理学研究.E-mail:zhanghua0323@sina.com
通讯作者:刘剑刚(1986-),男,讲师,博士,主要从事自然地理学研究.E-mail:ljgemail@126.com
更新日期/Last Update: 1900-01-01