[1]谢子扬,白艳萍,何中声*. 1971-2015年乌兰察布市霾日数时空变化规律及其影响因素[J].西北林学院学报,2021,36(4):11-17.[doi:10.3969/j.issn.1001-7461.2021.04.02]
　XIE Zi-yang,BAI Yan-ping,HE Zhong-sheng*. Spatiotemporal Variation of Haze Days and the Influencing Factors in Ulanqab,Inner Mongolia from 1971 to 2015[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(4):11-17.[doi:10.3969/j.issn.1001-7461.2021.04.02]
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 1971-2015年乌兰察布市霾日数时空变化规律及其影响因素()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第4期
页码:
11-17
栏目:
出版日期:
2021-07-31

文章信息/Info

Title:
 Spatiotemporal Variation of Haze Days and the Influencing Factors in Ulanqab,Inner Mongolia from 1971 to 2015
文章编号:
1001-7461(2021)04-0011-07
作者:
 谢子扬1; 2; 3; 白艳萍4; 何中声1; 2; 3*
 （1.福建农林大学 林学院，福建 福州 350002；2.福建农林大学 海峡自然保护区研究中心，福建 福州 350002；3.生态与资源统计福建省高校重点实验室，福建 福州 350002；4.内蒙古自治区乌兰察布市气象局，内蒙古 乌兰察布 012000）
Author(s):
 XIE Zi-yang1; 2; 3; BAI Yan-ping4; HE Zhong-sheng1; 2; 3*
 (1.College of Forestry,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China; 2.Cross-Strait Nature Reserve Research Center,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China; 3.Key Laboratory of Fujian Universities for Ecology and Resource Statistics,Fuzhou 350002,Fujian,China; 4.Ulanqab Meteorological Bureau of Inner Mongolia Autonomous Region,Ulanqab 012000,Inner Mongolia,China）
关键词:
 ; 乌兰察布市; 年霾日数; Mann-kendall突变检验; Morlet小波分析; 影响因素; PM2.5
Keywords:
 ; Ulanqab;  annual haze day;  Mann-kendall mutation test;  Morlet wavelet analysis;  influencing factor;  PM2.5
分类号:
P467
DOI:
10.3969/j.issn.1001-7461.2021.04.02
文献标志码:
A
摘要:
 研究乌兰察布地区霾日数的时空分布及其影响因素，对乌兰察布市（乌市）及其上下游地区雾霾形成机理和跨境输送机制的研究提供理论参考。采用乌兰察布市（乌市）1971-2015年11个台站气象数据资料，结合2015年环境污染数据资料，分析乌市长时间序列霾日数时空分布、突变情况、周期尺度变化和形成因素。结果表明，乌市霾日数在长时间序列中呈“减小-消失-增加”的U型变化趋势，主要集中在1971-1981年和2014-2015年2个时间段，1971年发生了显著突变。在空间上主要集中在东南、西南和中部，其中兴和县霾日数远高于其他区县。霾日数的3个尺度周期强度都有减弱趋势，以3~6 a为主的小尺度周期自1982年消失后，于2014年重新出现。霾日数季节分布由春季转变为秋、冬季，这是由于雾霾成因发生了变化，霾的成因从以沙尘天气为主的自然源转变为以PM2.5等空气污染为主的人为排放源。
Abstract:
 The objectives of this study were to investigate the spatiotemporal distribution of haze days and the influencing factors,and to provide theoretical reference for the study of the haze formation mechanism and cross-border transport mechanism in Ulanqab and its upstream and downstream areas.Using meteorological data from 11 stations in Ulanqab from 1971-2015,combined with environmental pollution data from 2015,we analyzed the spatiotemporal and distribution of haze days in time series,abrupt situations,periodic scale changes and formation factors.The results showed that the number of haze days in Ulanqab showed a U-shaped trend of “decreasing-disappearing-increasing” in the long time series,mainly concentrated in the time periods of 1971-1981 and 2014-2015,with a significantly sudden change in 1971.Spatially,the haze days were mainly concentrated in the southeast,southwest and central regions,with Xinghe County having a much higher number of haze days than other counties.The intensity of all three scale cycles of haze days tended to weaken,and the small-scale cycle dominated by 3-6 years reappeared in 2014 after disappearing since 1982.The seasonal distribution of haze days shifted from spring to autumn and winter,which was due to a change in the causes of haze from natural sources,mainly dusty weather,to anthropogenic emission sources,mainly PM2.5 and other air pollutions.

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备注/Memo

备注/Memo:
 收稿日期：2020-08-25修回日期：2021-05-06
基金项目：福建农林大学A类博士毕业生启动经费（KXML2008A）。
作者简介：谢子扬。研究方向：森林气候、森林资源经营与管理。E-mail:nmgxzy94@126.com
*通信作者：何中声，博士，讲师。研究方向：森林气候、生物多样性等。E-mail：jxhzs85@fafu.edu.cn
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