Article(id=1242137837559165390, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242137826846909094, articleNumber=null, orderNo=7, doi=10.3981/j.issn.1000-7857.2019.20.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1562169600000, receivedDateStr=2019-07-04, revisedDate=1570809600000, revisedDateStr=2019-10-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1573001905433, onlineDateStr=2019-11-06, pubDate=1572192000000, pubDateStr=2019-10-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1573001905433, onlineIssueDateStr=2019-11-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774078338271, creator=sys-migrate, updateTime=1774078338271, updator=sys-migrate, issue=Issue{id=1242137826846909094, tenantId=1146029695717560320, journalId=1146031591421210625, year='2019', volume='37', issue='20', pageStart='1', pageEnd='100', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774078335721, creator=sys-migrate, updateTime=1774078335721, updator=sys-migrate, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=40, endPage=48, ext={EN=ArticleExt(id=1242137840629395970, articleId=1242137837559165390, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Analysis of seasonal drought variations in Zhangjiakou since 1965, columnId=1242137831821353662, journalTitle=Science & Technology Review, columnName=Exclusive: Meteorological Disaster Prevention and Reduction, runingTitle=null, highlight=null, articleAbstract=Drought hazards have a great adverse effect on the agricultural production in Zhangjiakou. Based on the meteorological data of 14 weather stations from 1965 to 2018, the temporal-spatial characteristics of the seasonal drought variations in Zhangjiakou region are analyzed by the standardized precipitation index (SPI) and the statistic methods. It is shown that the summer drought sees a significant increasing trend, with a long time duration and in a large space, especially after the 1990s. But the spring and autumn drought sees a decreasing trend, and becomes weak in the 21st century. And the winter drought sees no significant variation. It is imperative to strengthen the management for the summer drought., correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=UcKprNCaBcD/7pdNHcqEVQ==, pdfFileSize=3217536, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. Zhangjiakou Meteorological Bureau, Zhangjiakou, 075000, China;
2. Hebei Province Meteorological Research Institute, Shijiazhuang, 050021, China;
3. Hebei Province Climate Center, Shijiazhuang, 050021, China, fund=null, authors=HU Xue¹, MA Guang¹, LI Chunqiang², CHE Shaojing³, KANG Xiyan², LIU Xingyan¹, authorsList=HU Xue, MA Guang, LI Chunqiang, CHE Shaojing, KANG Xiyan, LIU Xingyan), CN=ArticleExt(id=1242137839069114854, articleId=1242137837559165390, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=1965年以来张家口地区季节干旱变化特征分析, columnId=1242137830844080820, journalTitle=科技导报, columnName=专题：气象防灾减灾, runingTitle=null, highlight=null, articleAbstract=干旱对河北省张家口地区农业生产具有重大不利影响，典型干旱年份导致了严重的经济损失。基于张家口地区14个气象站1965—2018年的气象观测资料，采用标准化降水指数（SPI）和数理统计方法，分析了张家口地区季节干旱的时空变化特征。结果表明：影响农业生产显著的夏季干旱呈显著增加趋势，特别是20世纪90年代以来，干旱持续时间较长，空间范围较大；春秋季干旱出现减轻趋势，21世纪以来干旱相对偏轻；冬季干旱没有显著的变化趋势。因此，应重点加强对夏季干旱的防御管理。, correspAuthors=null, authorNote=胡雪,工程师,研究方向为气象服务,电子信箱:huxue_111@163.com, correspAuthorsNote=李春强(通信作者),研究员级高级工程师,研究方向为农业气象灾害与气候变化影响,电子信箱:chunql@sohu.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=nXF/WK2flsAIgodx86IgxA==, pdfFileSize=3217536, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. 张家口市气象局, 张家口 075000;
2. 河北省气象科学研究所, 石家庄 050021;
3. 河北省气候中心, 石家庄 050021, fund=公益性行业（气象）科研专项（GYHY（QX）201506001）, authors=胡雪¹, 马光¹, 李春强², 车少静³, 康西言², 刘星燕¹, authorsList=胡雪, 马光, 李春强, 车少静, 康西言, 刘星燕)}, authors=[Author(id=1276629053620748680, tenantId=1146029695717560320, journalId=null, articleId=1242137837559165390, orderNo=null, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=null, email=null, emailSecond=null, emailThird=null, correspondingAuthor=null, authorType=null, ext={EN=AuthorExt(id=null, tenantId=null, journalId=1146031591421210625, articleId=1242137837559165390, authorId=1276629053620748680, language=EN, stringName=HU Xue, MA Guang, LI Chunqiang, CHE Shaojing, KANG Xiyan, LIU Xingyan, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=null, tenantId=null, 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