Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms
Abstract The responses of thermospheric densities to geomagnetic activity indices and Joule heating are analyzed during 265 geomagnetic storms and can be used to calibrate the model NRLMSISE‐00 with neutral mass density observed at 400 km based on the CHAMP satellite from 2002 to 2008. In this work,...
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| Format: | Article |
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Wiley
2022-04-01
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| Series: | Space Weather |
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| Online Access: | https://doi.org/10.1029/2021SW003017 |
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| author | Xin Wang Juan Miao Xian Lu Ercha Aa Binxian Luo Ji Liu Yu Hong Yuxian Wang Tingling Ren Ruiyun Zeng Chenxi Du Siqing Liu |
| author_facet | Xin Wang Juan Miao Xian Lu Ercha Aa Binxian Luo Ji Liu Yu Hong Yuxian Wang Tingling Ren Ruiyun Zeng Chenxi Du Siqing Liu |
| author_sort | Xin Wang |
| collection | DOAJ |
| description | Abstract The responses of thermospheric densities to geomagnetic activity indices and Joule heating are analyzed during 265 geomagnetic storms and can be used to calibrate the model NRLMSISE‐00 with neutral mass density observed at 400 km based on the CHAMP satellite from 2002 to 2008. In this work, the geomagnetic activities at high and low latitudes are identified by AE indices and Dst indices. During geomagnetic storms, Joule heating and its impacts on the thermospheric density are calculated by the Weimer‐2001 electric potential model and the DMSP spacecraft. The results show that the response of thermospheric density to both AE and Dst index takes a longer time as geomagnetic storms intensify. During weak and moderate storms, density delays AE indices for about 0–1 hr, while it is 2–4 hr for intense storms. In addition, the time differences between Dst indices and AE indices increase as storms intensify. During weak and moderate geomagnetic storms, the difference in the time corresponding to Dst indices with the time when AE indices peak is only 1–2 hr, while it increases to 3–5 hr for the intense storms. Furthermore, the calibration of the NRLMSISE‐00 model results can reproduce the storm‐time thermospheric density well, with the Mean Relative Error (MRE) between density observation and model decreasing from 40% to 10% after the correction. |
| format | Article |
| id | doaj-art-1060bdab9c4d494bbf6fa832821805d2 |
| institution | Kabale University |
| issn | 1542-7390 |
| language | English |
| publishDate | 2022-04-01 |
| publisher | Wiley |
| record_format | Article |
| series | Space Weather |
| spelling | doaj-art-1060bdab9c4d494bbf6fa832821805d22025-01-14T16:27:25ZengWileySpace Weather1542-73902022-04-01204n/an/a10.1029/2021SW003017Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic StormsXin Wang0Juan Miao1Xian Lu2Ercha Aa3Binxian Luo4Ji Liu5Yu Hong6Yuxian Wang7Tingling Ren8Ruiyun Zeng9Chenxi Du10Siqing Liu11National Space Science Center, Chinese Academy of Sciences Beijing ChinaNational Space Science Center, Chinese Academy of Sciences Beijing ChinaDepartment of Physics and Astronomy Clemson University Clemson SC USAHaystack Observatory Massachusetts Institute of Technology Westford MA USANational Space Science Center, Chinese Academy of Sciences Beijing ChinaDepartment of Physics University of Alberta Edmonton AB CanadaDepartment of Physics University of Texas at Arlington Arlington TX USANational Space Science Center, Chinese Academy of Sciences Beijing ChinaNational Space Science Center, Chinese Academy of Sciences Beijing ChinaUniversity of Chinese Academy of Sciences Beijing ChinaNational Space Science Center, Chinese Academy of Sciences Beijing ChinaNational Space Science Center, Chinese Academy of Sciences Beijing ChinaAbstract The responses of thermospheric densities to geomagnetic activity indices and Joule heating are analyzed during 265 geomagnetic storms and can be used to calibrate the model NRLMSISE‐00 with neutral mass density observed at 400 km based on the CHAMP satellite from 2002 to 2008. In this work, the geomagnetic activities at high and low latitudes are identified by AE indices and Dst indices. During geomagnetic storms, Joule heating and its impacts on the thermospheric density are calculated by the Weimer‐2001 electric potential model and the DMSP spacecraft. The results show that the response of thermospheric density to both AE and Dst index takes a longer time as geomagnetic storms intensify. During weak and moderate storms, density delays AE indices for about 0–1 hr, while it is 2–4 hr for intense storms. In addition, the time differences between Dst indices and AE indices increase as storms intensify. During weak and moderate geomagnetic storms, the difference in the time corresponding to Dst indices with the time when AE indices peak is only 1–2 hr, while it increases to 3–5 hr for the intense storms. Furthermore, the calibration of the NRLMSISE‐00 model results can reproduce the storm‐time thermospheric density well, with the Mean Relative Error (MRE) between density observation and model decreasing from 40% to 10% after the correction.https://doi.org/10.1029/2021SW003017thermospheric densityjoule heatinggeomagnetic activity indicegeomagnetic stormNRLMSISE‐00 |
| spellingShingle | Xin Wang Juan Miao Xian Lu Ercha Aa Binxian Luo Ji Liu Yu Hong Yuxian Wang Tingling Ren Ruiyun Zeng Chenxi Du Siqing Liu Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms Space Weather thermospheric density joule heating geomagnetic activity indice geomagnetic storm NRLMSISE‐00 |
| title | Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms |
| title_full | Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms |
| title_fullStr | Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms |
| title_full_unstemmed | Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms |
| title_short | Using Temporal Relationship of Thermospheric Density With Geomagnetic Activity Indices and Joule Heating as Calibration for NRLMSISE‐00 During Geomagnetic Storms |
| title_sort | using temporal relationship of thermospheric density with geomagnetic activity indices and joule heating as calibration for nrlmsise 00 during geomagnetic storms |
| topic | thermospheric density joule heating geomagnetic activity indice geomagnetic storm NRLMSISE‐00 |
| url | https://doi.org/10.1029/2021SW003017 |
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