Article(id=1324320340645643012, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1324320221309313194, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2026.07.00028, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1782835200000, receivedDateStr=2026-07-01, revisedDate=1789401600000, revisedDateStr=2026-09-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1793672173891, onlineDateStr=2026-11-03, pubDate=1790524800000, pubDateStr=2026-09-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793672173891, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793672173891, creator=13701087609, updateTime=1793672173891, updator=13701087609, issue=Issue{id=1324320221309313194, tenantId=1146029695717560320, journalId=1146031591421210625, year='2026', volume='44', issue='18', pageStart='1', pageEnd='180', issueExtLink='null', onlineDate='null', pubDate='1790524800000', pubDateStr='2026-09-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793672145439, creator='13701087609', updateTime=1793673806843, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324327189847605469, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1324320221309313194, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324327189847605470, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1324320221309313194, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=69, endPage=78, ext={EN=ArticleExt(id=1324320340888912645, articleId=1324320340645643012, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Research progress of CN−DARN of the Chinese Meridian Project, columnId=1150494642224591153, journalTitle=Science & Technology Review, columnName=Exclusive, runingTitle=null, highlight=null, articleAbstract=
The mid− and high−latitude ionosphere over the Asian sector has long suffered from a large observational gap, which has hindered research on the evolution of ionospheric disturbances and cross−latitude energy transport. Under the second phase of the Meridian Project, the National Space Science Center, Chinese Academy of Sciences, independently developed the Chinese Auroral Radar Network (CN−DARN). It consists of six high−frequency coherent scatter radars deployed at three stations: Longjing, Siziwang, and Hejing. CN−DARN is the first network to achieve large−scale continuous monitoring of the mid− and high−latitude ionosphere over the Eurasian sector from 40°N to 80°N, spanning more than nine time zones. In 2025, after passing national acceptance, it officially joined the international SuperDARN organization. This paper systematically reviews the network architecture, observation capabilities, data sharing system, and representative scientific results of CN−DARN. CN−DARN has accumulated continuous, stable, and high−quality long−term observations and established the SuperDARN China data mirror site for global open access. Based on CN−DARN data, original results have been obtained in the spatiotemporal evolution of dawnside subauroral polarization streams (SAPS), global differences between dawnside and duskside SAPS, improved inversion of ionospheric convection during magnetic storms, and the propagation and E−F layer coupling of traveling ionospheric disturbances (TIDs). CN−DARN effectively fills the observational gap in the Asian mid− and high−latitude ionosphere and provides key observational support for space weather monitoring, disturbance tracing, and early warning. In the future, it will contribute to the International Meridian Circle Program and promote routine, systematic, and refined global ionospheric observations.
, authors=Jiaojiao ZHANG
1, 2, Wei WANG
1, 2, Xiang DENG
1, 2, Ailan LAN
1, 2, Jingye YAN
1, Chi WANG
1, authorsList=Jiaojiao ZHANG, Wei WANG, Xiang DENG, Ailan LAN, Jingye YAN, Chi WANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., 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=1324320342939927317, articleId=1324320340645643012, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=子午工程中国双子极光雷达网(CN−DARN)研究进展, columnId=1150494642375586098, journalTitle=科技导报, columnName=特色专题, runingTitle=null, highlight=null, articleAbstract=
亚洲扇区中高纬电离层长期存在大范围观测空白,制约了中高纬电离层扰动演化与跨纬度能量传输等关键科学问题的研究。依托“子午工程”二期,中国科学院国家空间科学中心自主研制了中国双子极光雷达网(Chinese Dual Auroral Radar Network,CN−DARN),由部署在吉林省龙井市、内蒙自治区四子王旗、新疆维吾尔自治区和静县的3站6部高频相干散射雷达组成,实现40°N~80°N、东西跨度超9个时区的亚欧扇区中高纬电离层大范围连续监测,2025年正式加入国际SuperDARN组织。介绍了CN−DARN的组网架构、探测能力、数据共享体系及代表性研究成果。该雷达网已积累连续稳定的长时序观测数据,建成了SuperDARN中国数据镜像站,面向全球开放共享。基于CN−DARN数据,国内外研究人员在极光活动与电离层环境扰动、晨侧亚极光区极化流(subauroral polarization stream,SAPS)时空演化、晨昏两侧SAPS全球分布差异磁暴期间大尺度电离层对流演化特征,以及电离层行进式扰动传播与等方面取得系列原创性成果。CN−DARN有效填补了亚洲中高纬电离层监测空白,为空间天气监测、扰动溯源与预警分析提供了关键观测支撑,未来将面向国际子午圈大科学计划,推动全球电离层环境常态化、系统化、精细化动态观测。
, authors=张佼佼
1, 2, 王玮
1, 2, 邓翔
1, 2, 蓝爱兰
1, 2, 阎敬业
1, 王赤
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版权所有,未经授权,不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=8vCrJC0aUwr/n6oXkSgvEw==, magXml=XbibNVf7dTlm+5I6tPhJog==, pdfUrl=null, pdf=GFgR7uiiHSycGGvkuMZIMg==, pdfFileSize=4877847, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=2XaRhSLN6lNDII00f87F1w==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=aPAZqbO/4ZnTQzHH7m8Xdw==, mapNumber=null, fund=null)}, authors=[Author(id=1324320344789615389, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=jjzhang@nssc.ac.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1324320344886084384, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, authorId=1324320344789615389, language=EN, stringName=Jiaojiao ZHANG, firstName=Jiaojiao, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
2Siziwang Observatory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Ulanqab 011828, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324320344978359073, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, authorId=1324320344789615389, language=CN, stringName=张佼佼, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院国家空间科学中心,太阳活动与空间天气全国重点实验室,北京 100190
2中国科学院国家空间科学中心,四子王旗空间天气野外科学观测研究站,乌兰察布 011828, bio={"content":"
张佼佼,研究员,研究方向为电离层探测、电离层物理与空间天气,电子信箱:jjzhang@nssc.ac.cn
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张佼佼,研究员,研究方向为电离层探测、电离层物理与空间天气,电子信箱:jjzhang@nssc.ac.cn
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1State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
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1中国科学院国家空间科学中心,太阳活动与空间天气全国重点实验室,北京 100190
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1State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
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1中国科学院国家空间科学中心,太阳活动与空间天气全国重点实验室,北京 100190
2中国科学院国家空间科学中心,四子王旗空间天气野外科学观测研究站,乌兰察布 011828, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324320343179002646, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, xref=1, ext=[AuthorCompanyExt(id=1324320343183196951, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, companyId=1324320343179002646, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
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1中国科学院国家空间科学中心,太阳活动与空间天气全国重点实验室,北京 100190
2中国科学院国家空间科学中心,四子王旗空间天气野外科学观测研究站,乌兰察布 011828, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324320343179002646, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, xref=1, ext=[AuthorCompanyExt(id=1324320343183196951, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320340645643012, companyId=1324320343179002646, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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