Article(id=1314923004337938704, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922986466009203, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752768000000, receivedDateStr=2025-07-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791431674321, onlineDateStr=2026-10-08, pubDate=1773936000000, pubDateStr=2026-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791431674321, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791431674321, creator=13701087609, updateTime=1791431674321, updator=13701087609, issue=Issue{id=1314922986466009203, tenantId=1146029695717560320, journalId=1234093305789726721, year='2026', volume='46', issue='3', pageStart='1185', pageEnd='1776', issueExtLink='null', onlineDate='null', pubDate='1773936000000', pubDateStr='2026-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791431670061, creator='13701087609', updateTime=1791431955369, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314924183251935526, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922986466009203, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314924183251935527, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922986466009203, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1264, endPage=1277, ext={EN=ArticleExt(id=1314923004539265297, articleId=1314923004337938704, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=Spatiotemporal variations of crop straw burning and its impact on air quality in the North China Plain from 2013 to 2023, columnId=1234106386020365051, journalTitle=China Environmental Science, columnName=Air Pollution Control, runingTitle=null, highlight=null, articleAbstract=

This study investigated the spatiotemporal characteristics of open-field crop straw burning (hereinafter referred to as crop straw burning) in the North China Plain, based on thermal anomaly data from VIIRS/NPP and agricultural statistics from 2013 to 2023. Furthermore, an emission inventory for major atmospheric pollutants from 2013 to 2022 was developed, and the impact on PM_2.5 concentrations during summer harvest season was assessed. The results showed that: significant spatial clustering was observed in the distribution of crop straw burning fire points, with two primary high-density zones identified in the southern Henan-northern Anhui region and the Bohai Rim region. The number of fire points decreased significantly during the study period, with the southern experiencing greater reductions than the northern. Intra-annual variations were highly synchronous with agricultural activities, showing distinct peaks during the summer and autumn harvest periods. The pollutant emissions declined by over 50% from 2013 to 2022, with a rapid decrease from 2013 to 2016 followed by a stabilization. The seasonal peak of emissions shifted from summer-autumn to winter-spring over time, while the spatial distribution of high-emission areas became increasingly fragmented. In terms of crop-specific contributions, emissions from corn straw burning consistently exceeded those from wheat straw burning. During the June harvest period, a significant positive correlation (r = 0.70~0.91) was found between province-level PM_2.5 emissions from straw burning and ground-level PM_2.5 concentrations across Henan, Shandong, Jiangsu, and Anhui provinces on an interannual scale. Daily-scale analysis indicated that a strong contribution from straw burning to PM_2.5 levels in the southern Henan-northern Anhui region from 2013 to 2016 (r = 0.68), with its influence weakening after 2017. The impact in the Bohai Rim region was generally weaker throughout the study period. However, case studies demonstrated that concentrated burning events could still trigger significant short-term PM_2.5 pollution episodes. Therefore, synchronous large-scale burning across multiple regions should be avoided to prevent regional pollution episodes.

, authors=Xin-hui WANG^{1, 2}, Xiu-e SHEN^{1, 2}, Lei JIANG^{1, 2, *}, Jian ZHANG^{1, 2}, Ling-jun LI^{1, 2}, Xiao-ke SONG¹, authorsList=Xin-hui WANG, Xiu-e SHEN, Lei JIANG, Jian ZHANG, Ling-jun LI, Xiao-ke SONG, authorCompany=null, correspAuthors=Lei JIANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314923004774146322, articleId=1314923004337938704, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=2013~2023年华北平原秸秆焚烧时空变化及空气质量影响, columnId=1234106388364981004, journalTitle=中国环境科学, columnName=大气污染与控制, runingTitle=null, highlight=null, articleAbstract=

基于2013~2023年VIIRS/NPP卫星热异常监测数据及农业统计数据，系统分析华北平原露天秸秆焚烧（以下简称秸秆焚烧）的时空演变特征，估算2013~2022年大气污染物排放量，并评估夏收季秸秆焚烧对PM_2.5的影响．结果表明：研究区秸秆焚烧火点空间分布呈显著集聚性特征，主要形成豫南-皖北和环渤海两处高密度区；研究期间火点数量显著下降，区域南部降幅高于北部；年内变化与农事活动高度吻合，峰值出现在夏收与秋收期间．排放清单显示，2013~2022年污染物排放量下降均超50%，在经历2013~2016年快速下降后趋于平稳；排放峰值呈夏秋向冬春季迁移的趋势；高排放区空间分布呈碎片化趋势；主要作物秸秆焚烧排放贡献结构显示玉米占比升高并超过小麦．夏收期间，豫、鲁、苏、皖四省秸秆焚烧PM_2.5排放量与近地面PM_2.5浓度在年尺度上呈显著正相关（r=0.70~0.91）；日尺度分析表明，豫南-皖北地区2013~2016年期间秸秆焚烧对PM_2.5浓度贡献显著（r=0.68），2017年后影响减弱，环渤海地区整体影响不显著；但聚焦具体个例，局地集中焚烧可导致PM_2.5浓度显著上升，因此应避免多地同步集中焚烧以免引发区域污染事件．

, authors=王新辉^{1, 2}, 沈秀娥^{1, 2}, 姜磊^{1, 2, *}, 张健^{1, 2}, 李令军^{1, 2}, 宋小可¹, authorsList=王新辉, 沈秀娥, 姜磊, 张健, 李令军, 宋小可, authorCompany=null, correspAuthors=姜磊, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=O3F9Asd4vy1uafUmRPJBUw==, magXml=962BlVle/MmQfBv2t/TRyQ==, pdfUrl=null, pdf=rzScJFzxikJFdZIagbr8XA==, pdfFileSize=6936792, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=w56UzohZKgGCgH49HmucDA==, mapNumber=null, fund=null)}, authors=[Author(id=1314923005373931802, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314923004337938704, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=wangxinhui1@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314923005508149533, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314923004337938704, authorId=1314923005373931802, language=EN, stringName=Xin-hui WANG, firstName=Xin-hui, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1.Beijing Municipal Ecological and Environmental Monitoring Center, Beijing 100048, China
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王新辉（1990-），女，山东泰安人，高级工程师，硕士，主要从事大气环境定量遥感及环境遥感应用研究．发表论文4篇．wangxinhui1@126.com.

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王新辉（1990-），女，山东泰安人，高级工程师，硕士，主要从事大气环境定量遥感及环境遥感应用研究．发表论文4篇．wangxinhui1@126.com.

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