First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model
The F-layer parameters N_mF_2 and h_mF_2 have been derived from measurements made at two Antarctic stations for quiet days during the austral summer and winter of 1982. Siple (76°S, 84°W) and Halley (76°S, 27°W) are both sited near L≈4.2 and use essentially identical digital HF sounding radars. Even...
| Main Authors: | , , |
|---|---|
| Format: | Text |
| Language: | unknown |
| Published: |
Hosted by Utah State University Libraries
1987
|
| Subjects: | |
| Online Access: | https://digitalcommons.usu.edu/physics_facpub/121 |
| _version_ | 1829301287064174592 |
|---|---|
| author | Berkey, F. T. Sojka, Jan Josef Jarvis, M. J. |
| author_facet | Berkey, F. T. Sojka, Jan Josef Jarvis, M. J. |
| author_sort | Berkey, F. T. |
| collection | Utah State University: DigitalCommons@USU |
| description | The F-layer parameters N_mF_2 and h_mF_2 have been derived from measurements made at two Antarctic stations for quiet days during the austral summer and winter of 1982. Siple (76°S, 84°W) and Halley (76°S, 27°W) are both sited near L≈4.2 and use essentially identical digital HF sounding radars. Even under quiet conditions, systematic differences in N_mF_2 and h_mF_2 can be observed at the two sites. Insight into the source of these differences can be obtained from a comparison of the ionospheric data with theoretical data derived from the USU global ionospheric model. Under austral winter conditions, a relatively good model-observational comparison is obtained. However, for austral summer conditions this agreement is poorer, apparently due to the simplicity of the neutral wind incorporated into the ionospheric model. |
| format | Text |
| genre | Antarc* Antarctic |
| genre_facet | Antarc* Antarctic |
| geographic | Antarctic Austral Siple |
| geographic_facet | Antarctic Austral Siple |
| id | ftutahsudc:oai:digitalcommons.usu.edu:physics_facpub-1120 |
| institution | Open Polar |
| language | unknown |
| long_lat | ENVELOPE(-83.917,-83.917,-75.917,-75.917) |
| op_collection_id | ftutahsudc |
| op_relation | https://digitalcommons.usu.edu/physics_facpub/121 |
| op_rights | Copyright for this work is held by the author. Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user. For more information contact the Institutional Repository Librarian at digitalcommons@usu.edu. |
| op_source | All Physics Faculty Publications |
| publishDate | 1987 |
| publisher | Hosted by Utah State University Libraries |
| record_format | openpolar |
| spelling | ftutahsudc:oai:digitalcommons.usu.edu:physics_facpub-1120 2025-04-13T14:09:24+00:00 First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model Berkey, F. T. Sojka, Jan Josef Jarvis, M. J. 1987-01-01T08:00:00Z https://digitalcommons.usu.edu/physics_facpub/121 unknown Hosted by Utah State University Libraries https://digitalcommons.usu.edu/physics_facpub/121 Copyright for this work is held by the author. Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user. For more information contact the Institutional Repository Librarian at digitalcommons@usu.edu. All Physics Faculty Publications results comparison ground-based ionospheric measurements southern hemisphere USU global ionospheric model Physics text 1987 ftutahsudc 2025-03-19T07:13:28Z The F-layer parameters N_mF_2 and h_mF_2 have been derived from measurements made at two Antarctic stations for quiet days during the austral summer and winter of 1982. Siple (76°S, 84°W) and Halley (76°S, 27°W) are both sited near L≈4.2 and use essentially identical digital HF sounding radars. Even under quiet conditions, systematic differences in N_mF_2 and h_mF_2 can be observed at the two sites. Insight into the source of these differences can be obtained from a comparison of the ionospheric data with theoretical data derived from the USU global ionospheric model. Under austral winter conditions, a relatively good model-observational comparison is obtained. However, for austral summer conditions this agreement is poorer, apparently due to the simplicity of the neutral wind incorporated into the ionospheric model. Text Antarc* Antarctic Utah State University: DigitalCommons@USU Antarctic Austral Siple ENVELOPE(-83.917,-83.917,-75.917,-75.917) |
| spellingShingle | results comparison ground-based ionospheric measurements southern hemisphere USU global ionospheric model Physics Berkey, F. T. Sojka, Jan Josef Jarvis, M. J. First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model |
| title | First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model |
| title_full | First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model |
| title_fullStr | First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model |
| title_full_unstemmed | First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model |
| title_short | First Results from a Comparison of Ground-Based Ionospheric Measurements in the Southern Hemisphere and the USU Global Ionospheric Model |
| title_sort | first results from a comparison of ground-based ionospheric measurements in the southern hemisphere and the usu global ionospheric model |
| topic | results comparison ground-based ionospheric measurements southern hemisphere USU global ionospheric model Physics |
| topic_facet | results comparison ground-based ionospheric measurements southern hemisphere USU global ionospheric model Physics |
| url | https://digitalcommons.usu.edu/physics_facpub/121 |