Development of the Chinese Dual Auroral Radar Network and Preliminary Results

Abstract Led by the National Space Science Center of the Chinese Academy of Sciences, we have built a Chinese dual auroral radar network in northern China, which is called the CN‐DARN. The CN‐DARN consists of three pairs of high‐frequency coherent scattering radar facilities and is one of the key pa...

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Main Authors: Jiaojiao Zhang, Ailan Lan, Jingye Yan, Xiang Deng, Wei Wang, Hang Li, Lingchen Sun, Ying Nan, Xiaochao Song, Chi Wang
Format: Article
Language:English
Published: Wiley 2024-10-01
Series:Space Weather
Subjects:
Online Access:https://doi.org/10.1029/2024SW004131
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author Jiaojiao Zhang
Ailan Lan
Jingye Yan
Xiang Deng
Wei Wang
Hang Li
Lingchen Sun
Ying Nan
Xiaochao Song
Chi Wang
author_facet Jiaojiao Zhang
Ailan Lan
Jingye Yan
Xiang Deng
Wei Wang
Hang Li
Lingchen Sun
Ying Nan
Xiaochao Song
Chi Wang
author_sort Jiaojiao Zhang
collection DOAJ
description Abstract Led by the National Space Science Center of the Chinese Academy of Sciences, we have built a Chinese dual auroral radar network in northern China, which is called the CN‐DARN. The CN‐DARN consists of three pairs of high‐frequency coherent scattering radar facilities and is one of the key parts of the Chinese Meridian Project Phase II. It has been fully constructed and started trial operations at the end of 2023. The detection range of the radar network extends longitudinally over approximately 9 hr of local times and covers the middle to high latitudes of the entire Asia region above 40°. In this paper, we present the basic design of the CN‐DARN and its preliminary observations of ionospheric irregularities, subauroral polarization streams (SAPSs) and traveling ionospheric disturbances (TIDs). We also investigate its contribution to the ionospheric convection pattern of the Northern Hemisphere derived from Super Dual Auroral Radar Network (SuperDARN) observations. The results indicate that the CN‐DARN provides excellent measurements and better specifications of flows in the Asian sector, improving our understanding of the global‐scale ionospheric convection pattern in the Northern Hemisphere. These encouraging results lead us to believe that the CN‐DARN will play an important role in studies on the evolution of ionospheric irregularities, the characteristics and evolution of SAPSs, the propagation of TIDs, and global‐scale ionospheric convection dynamics.
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spelling doaj-art-95f5764c9557434bb3f9b077c76e5c232025-01-14T16:31:08ZengWileySpace Weather1542-73902024-10-012210n/an/a10.1029/2024SW004131Development of the Chinese Dual Auroral Radar Network and Preliminary ResultsJiaojiao Zhang0Ailan Lan1Jingye Yan2Xiang Deng3Wei Wang4Hang Li5Lingchen Sun6Ying Nan7Xiaochao Song8Chi Wang9Key Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaCollege of Geography and Ocean Sciences Yanbian University Yanji ChinaSiziwang Observatory of Space Weather National Space Science Center Chinese Academy of Sciences Ulanqab ChinaKey Laboratory of Solar Activity and Space Weather National Space Science Center Chinese Academy of Sciences Beijing ChinaAbstract Led by the National Space Science Center of the Chinese Academy of Sciences, we have built a Chinese dual auroral radar network in northern China, which is called the CN‐DARN. The CN‐DARN consists of three pairs of high‐frequency coherent scattering radar facilities and is one of the key parts of the Chinese Meridian Project Phase II. It has been fully constructed and started trial operations at the end of 2023. The detection range of the radar network extends longitudinally over approximately 9 hr of local times and covers the middle to high latitudes of the entire Asia region above 40°. In this paper, we present the basic design of the CN‐DARN and its preliminary observations of ionospheric irregularities, subauroral polarization streams (SAPSs) and traveling ionospheric disturbances (TIDs). We also investigate its contribution to the ionospheric convection pattern of the Northern Hemisphere derived from Super Dual Auroral Radar Network (SuperDARN) observations. The results indicate that the CN‐DARN provides excellent measurements and better specifications of flows in the Asian sector, improving our understanding of the global‐scale ionospheric convection pattern in the Northern Hemisphere. These encouraging results lead us to believe that the CN‐DARN will play an important role in studies on the evolution of ionospheric irregularities, the characteristics and evolution of SAPSs, the propagation of TIDs, and global‐scale ionospheric convection dynamics.https://doi.org/10.1029/2024SW004131HF radar networkChinese meridian projectSuperDARN
spellingShingle Jiaojiao Zhang
Ailan Lan
Jingye Yan
Xiang Deng
Wei Wang
Hang Li
Lingchen Sun
Ying Nan
Xiaochao Song
Chi Wang
Development of the Chinese Dual Auroral Radar Network and Preliminary Results
Space Weather
HF radar network
Chinese meridian project
SuperDARN
title Development of the Chinese Dual Auroral Radar Network and Preliminary Results
title_full Development of the Chinese Dual Auroral Radar Network and Preliminary Results
title_fullStr Development of the Chinese Dual Auroral Radar Network and Preliminary Results
title_full_unstemmed Development of the Chinese Dual Auroral Radar Network and Preliminary Results
title_short Development of the Chinese Dual Auroral Radar Network and Preliminary Results
title_sort development of the chinese dual auroral radar network and preliminary results
topic HF radar network
Chinese meridian project
SuperDARN
url https://doi.org/10.1029/2024SW004131
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