[1]张凌云,刘蕾,王艺,等.近56a柳州高温天气的气候特征及类型分析[J].气象研究与应用,2017,38(04):1-6.
　Zhang Lingyun,Liu Lei,Wang Yi,et al.The climate characteristics and type analysis of high temperature weather in Liuzhou in recent 56 years[J].Journal of Meteorological Research and Application,2017,38(04):1-6.
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近56a柳州高温天气的气候特征及类型分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第38卷
期数:
2017年04期
页码:
1-6
栏目:
天气气候
出版日期:
2017-12-29

文章信息/Info

Title:
The climate characteristics and type analysis of high temperature weather in Liuzhou in recent 56 years
作者:
张凌云;  刘蕾;  王艺;  张辛
柳州市气象局, 广西 柳州 545001
Author(s):
Zhang Lingyun;  Liu Lei;  Wang Yi;  Zhang Xin
Liuzhou Meteorological Bureau, Guangxi, Liuzhou 545001
关键词:
线性倾向估计; 小波分析; 单峰型; 高温形势
Keywords:
linear tendency estimation; wavelet analysis; single peak type; high temperature situation
分类号:
P46
摘要:
基于1961-2016年的逐日极端最高气温资料和2010-2016年的Micaps实况观测资料，采用线性倾向估计和小波分析等方法，对柳州近56a的高温天气气候特征进行统计分析，并对2010-2016年的所有高温天气样本进行天气形势分型统计，得出如下结论：（1）柳州每年均有高温天气出现，高温天气最早开始于4月上旬末，最晚结束于10月中旬，平均年高温日数为40.4d，近56a柳州的年高温日数总体呈线性增加趋势，每10年约增加3d左右；（2）柳州高温天气的月际分布呈单峰型，4月份开始有高温天气出现，7月和8月是一年中高温天气最多的两个月份，11月至翌年3月柳州没有出现过高温天气；（3）近56a柳州的年高温日数以25年为周期的低频振荡最为显著，并在1970年代以后存在一个10~12a为周期的次低频振荡，而在2000年代以前存在一个4~5a短周期的高频振荡；（4）柳州的高温天气形势主要有副高环流型、台风外围型、副高环流+台风外围型、500百帕反气旋型、500百帕槽后脊前型、地面暖低压型等7种类型。
Abstract:
Based on daily extreme high temperature data between 1961~2016 and the Micaps oberservation data from 2010 to 2016, this study made a statistical analysis of the climate characteristics of the high temperature weather in Liuzhou in recent 56 years by using linear tendency estimation and wavelet analysis and classified the synoptic patterns of all the hot weather samples for 2010-2016. The?conclusions are as?follows:(1) Hot weather occurred every year in Liuzhou, high temperature weather first started in early April, and ended in Mid-October. The number of annual average high temperature day was 40.4. This result showed a linear increasing trend in the last 56 years in Liuzhou, which increased by about 3 days per decade. (2) The monthly distribution of high temperature in Liuzhou showed a single peak type. Hot weather began in April and July and August were the two months of the highest temperature in a year. From November to March in the next year, Liuzhou did not appear any hot weather day. (3) In the past 56 years, the annual high temperature days in Liuzhou were the most significant in the low-frequency oscillation in the 25-year period. There was also a 10 to 12-year cycle of low frequency oscillation after 1970s, nevertheless, before 2000, there was an existence of a short high-frequency oscillation by 4~5 years. (4) The main hot weather situation in Liuzhou are subtropical high circulation type, typhoon periphery type, and subtropical high circulation + typhoon periphery type, 500 hPa anticyclone type, 500 hPa trough back ridge type, and ground warm low-pressure type.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-05-17。
作者简介:张凌云(1975),女,硕士,高级工程师,主要从事天气气候及中短期天气预报工作,Email:364548737@qq.com。
更新日期/Last Update: 1900-01-01