Thermospheric neutral wind studies over the equatorial region: A review
Thermospheric neutral winds (TNWs) refer to the neutral gases in the thermosphere circulating as tides, which play a crucial role in the dynamics of the thermosphere–ionosphere system (TIS). Global geospace neutral winds, particularly over the magnetic equator, have been a subject of study for sever...
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Science Press
2025-01-01
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| Series: | Earth and Planetary Physics |
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| Online Access: | http://www.eppcgs.org/article/doi/10.26464/epp2024074?pageType=en |
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| author | Siti Syazwani Nasuha Idahwati Sarudin Nurul Shazana Abdul Hamid Ahmad Fairuz Omar |
| author_facet | Siti Syazwani Nasuha Idahwati Sarudin Nurul Shazana Abdul Hamid Ahmad Fairuz Omar |
| author_sort | Siti Syazwani Nasuha |
| collection | DOAJ |
| description | Thermospheric neutral winds (TNWs) refer to the neutral gases in the thermosphere circulating as tides, which play a crucial role in the dynamics of the thermosphere–ionosphere system (TIS). Global geospace neutral winds, particularly over the magnetic equator, have been a subject of study for several decades. However, despite the known importance of neutral winds, a comprehensive understanding and characterization of the winds is still lacking. Various ground-based and satellite missions have provided valuable information on the contribution of neutral winds to the global atmospheric dynamics. However, efforts in the global monitoring of neutral winds are still lacking, and the drivers behind the behavior of TNWs as well as their influence on the TIS remain incomplete. To address these knowledge gaps in the global circulation of TNWs, it is crucial to develop a deep understanding of the neutral wind characteristics over different regions. The low-latitude equatorial region in particular has been observed to exert complex influences on TNWs because of the unique effects of the Earth’s magnetic field at the dip equator. Studying neutral winds over this region will provide valuable insights into the unique dynamics and processes that occur in this region, thereby enhancing our understanding of their role in the overall dynamics of the TIS. Additionally, through empirical observations, an improved ability to accurately model and predict the behavior of this region can be achieved. This review article addresses challenges in understanding equatorial winds by reviewing historical measurements, current missions, and the interactions of ionospheric and thermospheric phenomena, emphasizing the need for comprehensive measurements to improve global atmospheric dynamics and weather forecasting. |
| format | Article |
| id | doaj-art-e4324fe384fa4f1a980364cebf0ff6a6 |
| institution | Kabale University |
| issn | 2096-3955 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Science Press |
| record_format | Article |
| series | Earth and Planetary Physics |
| spelling | doaj-art-e4324fe384fa4f1a980364cebf0ff6a62025-01-06T07:40:39ZengScience PressEarth and Planetary Physics2096-39552025-01-01918110010.26464/epp2024074RA505-Siti-FThermospheric neutral wind studies over the equatorial region: A reviewSiti Syazwani Nasuha0Idahwati Sarudin1Nurul Shazana Abdul Hamid2Ahmad Fairuz Omar3School of Physics, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, MalaysiaSchool of Physics, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, MalaysiaDepartment of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, MalaysiaSchool of Physics, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, MalaysiaThermospheric neutral winds (TNWs) refer to the neutral gases in the thermosphere circulating as tides, which play a crucial role in the dynamics of the thermosphere–ionosphere system (TIS). Global geospace neutral winds, particularly over the magnetic equator, have been a subject of study for several decades. However, despite the known importance of neutral winds, a comprehensive understanding and characterization of the winds is still lacking. Various ground-based and satellite missions have provided valuable information on the contribution of neutral winds to the global atmospheric dynamics. However, efforts in the global monitoring of neutral winds are still lacking, and the drivers behind the behavior of TNWs as well as their influence on the TIS remain incomplete. To address these knowledge gaps in the global circulation of TNWs, it is crucial to develop a deep understanding of the neutral wind characteristics over different regions. The low-latitude equatorial region in particular has been observed to exert complex influences on TNWs because of the unique effects of the Earth’s magnetic field at the dip equator. Studying neutral winds over this region will provide valuable insights into the unique dynamics and processes that occur in this region, thereby enhancing our understanding of their role in the overall dynamics of the TIS. Additionally, through empirical observations, an improved ability to accurately model and predict the behavior of this region can be achieved. This review article addresses challenges in understanding equatorial winds by reviewing historical measurements, current missions, and the interactions of ionospheric and thermospheric phenomena, emphasizing the need for comprehensive measurements to improve global atmospheric dynamics and weather forecasting.http://www.eppcgs.org/article/doi/10.26464/epp2024074?pageType=enthermospheric neutral windthermosphere–ionosphere systemdip equatorequatorial region |
| spellingShingle | Siti Syazwani Nasuha Idahwati Sarudin Nurul Shazana Abdul Hamid Ahmad Fairuz Omar Thermospheric neutral wind studies over the equatorial region: A review Earth and Planetary Physics thermospheric neutral wind thermosphere–ionosphere system dip equator equatorial region |
| title | Thermospheric neutral wind studies over the equatorial region: A review |
| title_full | Thermospheric neutral wind studies over the equatorial region: A review |
| title_fullStr | Thermospheric neutral wind studies over the equatorial region: A review |
| title_full_unstemmed | Thermospheric neutral wind studies over the equatorial region: A review |
| title_short | Thermospheric neutral wind studies over the equatorial region: A review |
| title_sort | thermospheric neutral wind studies over the equatorial region a review |
| topic | thermospheric neutral wind thermosphere–ionosphere system dip equator equatorial region |
| url | http://www.eppcgs.org/article/doi/10.26464/epp2024074?pageType=en |
| work_keys_str_mv | AT sitisyazwaninasuha thermosphericneutralwindstudiesovertheequatorialregionareview AT idahwatisarudin thermosphericneutralwindstudiesovertheequatorialregionareview AT nurulshazanaabdulhamid thermosphericneutralwindstudiesovertheequatorialregionareview AT ahmadfairuzomar thermosphericneutralwindstudiesovertheequatorialregionareview |