Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina
Atmospheric gravity waves play important roles in couplings in the terrestrial atmosphere and ionosphere, i.e. in the whole atmosphere, by transporting momentum and energy in vertical and horizontal directions. One of the hotspots, i.e. active source region of such gravity waves, is the area of the...
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ftgfzpotsdam:oai:gfzpublic.gfz-potsdam.de:item_5021234 2023-07-30T03:59:25+02:00 Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina Nakamura, T. Ejiri, M. Kogure, M. Perwitasari, S. Tomikawa, Y. Tsutsumi, M. Mizuno, A. Tsuno, K. Ogawa, T. Wada, S. Salvador, J. 2023-07-11 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021234 eng eng info:eu-repo/semantics/altIdentifier/doi/10.57757/IUGG23-4829 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021234 XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) info:eu-repo/semantics/conferenceObject 2023 ftgfzpotsdam https://doi.org/10.57757/IUGG23-4829 2023-07-16T23:40:25Z Atmospheric gravity waves play important roles in couplings in the terrestrial atmosphere and ionosphere, i.e. in the whole atmosphere, by transporting momentum and energy in vertical and horizontal directions. One of the hotspots, i.e. active source region of such gravity waves, is the area of the Andes and the Antarctic peninsula. In order to study gravity wave activity generated at this hotspot and propagating up to the MLT region, we installed an all-sky airglow camera in November 2017 at Rio Gallegos station (51.6S, 69.3W), Patagonia, Argentina. The imager at Rio Gallegos is equipped with an InGaAs array sensor, sensitive to the near-infrared (900-1700 nm), and can observe OH Meinel band airglow (~87 km altitude), obtaining an OH airglow image every 5 sec with an exposure time of 2 sec. This system has a similar specification with the five imagers of the ANtarctic Gravity Wave Instrument Network (ANGWIN) at Davis, McMurdo, Halley, Syowa and the south pole. In this presentation, we will report the results from Rio Gallegos station, by means of M-transform analysis, which quantitatively derives distributions of short-period gravity wave energy in the horizontal phase velocity domain. Also, comparison with the results from Syowa station in the Antarctic (69.0S, 39.6E) will be presented. Conference Object Antarc* Antarctic Antarctic Peninsula South pole South pole GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam) Antarctic Antarctic Peninsula Argentina Gallegos ENVELOPE(-67.150,-67.150,-68.133,-68.133) Patagonia South Pole Syowa Station The Antarctic |
institution |
Open Polar |
collection |
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam) |
op_collection_id |
ftgfzpotsdam |
language |
English |
description |
Atmospheric gravity waves play important roles in couplings in the terrestrial atmosphere and ionosphere, i.e. in the whole atmosphere, by transporting momentum and energy in vertical and horizontal directions. One of the hotspots, i.e. active source region of such gravity waves, is the area of the Andes and the Antarctic peninsula. In order to study gravity wave activity generated at this hotspot and propagating up to the MLT region, we installed an all-sky airglow camera in November 2017 at Rio Gallegos station (51.6S, 69.3W), Patagonia, Argentina. The imager at Rio Gallegos is equipped with an InGaAs array sensor, sensitive to the near-infrared (900-1700 nm), and can observe OH Meinel band airglow (~87 km altitude), obtaining an OH airglow image every 5 sec with an exposure time of 2 sec. This system has a similar specification with the five imagers of the ANtarctic Gravity Wave Instrument Network (ANGWIN) at Davis, McMurdo, Halley, Syowa and the south pole. In this presentation, we will report the results from Rio Gallegos station, by means of M-transform analysis, which quantitatively derives distributions of short-period gravity wave energy in the horizontal phase velocity domain. Also, comparison with the results from Syowa station in the Antarctic (69.0S, 39.6E) will be presented. |
format |
Conference Object |
author |
Nakamura, T. Ejiri, M. Kogure, M. Perwitasari, S. Tomikawa, Y. Tsutsumi, M. Mizuno, A. Tsuno, K. Ogawa, T. Wada, S. Salvador, J. |
spellingShingle |
Nakamura, T. Ejiri, M. Kogure, M. Perwitasari, S. Tomikawa, Y. Tsutsumi, M. Mizuno, A. Tsuno, K. Ogawa, T. Wada, S. Salvador, J. Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina |
author_facet |
Nakamura, T. Ejiri, M. Kogure, M. Perwitasari, S. Tomikawa, Y. Tsutsumi, M. Mizuno, A. Tsuno, K. Ogawa, T. Wada, S. Salvador, J. |
author_sort |
Nakamura, T. |
title |
Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina |
title_short |
Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina |
title_full |
Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina |
title_fullStr |
Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina |
title_full_unstemmed |
Gravity waves in the mesosphere lower-thermosphere region near Andes observed by airglow imaging at Rio Gallegos (51.6S), Patagonia, Argentina |
title_sort |
gravity waves in the mesosphere lower-thermosphere region near andes observed by airglow imaging at rio gallegos (51.6s), patagonia, argentina |
publishDate |
2023 |
url |
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021234 |
long_lat |
ENVELOPE(-67.150,-67.150,-68.133,-68.133) |
geographic |
Antarctic Antarctic Peninsula Argentina Gallegos Patagonia South Pole Syowa Station The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Argentina Gallegos Patagonia South Pole Syowa Station The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula South pole South pole |
genre_facet |
Antarc* Antarctic Antarctic Peninsula South pole South pole |
op_source |
XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.57757/IUGG23-4829 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021234 |
op_doi |
https://doi.org/10.57757/IUGG23-4829 |
_version_ |
1772810236893069312 |