Atmospheric Gravity Wave Events over Antarctica
This study used infrared (IR) image data obtained from McMurdo Station, Antarctica to investigate the properties of atmospheric gravity waves as they propagate into the upper mesosphere over Antarctica. The data were obtained as part of the international Antarctic Gravity Wave Instrument Network (AN...
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ftutahsudc:oai:digitalcommons.usu.edu:phys_capstoneproject-1063 2023-05-15T13:44:31+02:00 Atmospheric Gravity Wave Events over Antarctica Wrobel, America 2018-05-01T07:00:00Z application/pdf https://digitalcommons.usu.edu/phys_capstoneproject/64 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1063&context=phys_capstoneproject unknown Hosted by Utah State University Libraries https://digitalcommons.usu.edu/phys_capstoneproject/64 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1063&context=phys_capstoneproject 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. PDM Physics Capstone Projects atmospheric gravity wave events Antarctica Physics text 2018 ftutahsudc 2022-03-07T21:43:15Z This study used infrared (IR) image data obtained from McMurdo Station, Antarctica to investigate the properties of atmospheric gravity waves as they propagate into the upper mesosphere over Antarctica. The data were obtained as part of the international Antarctic Gravity Wave Instrument Network (ANGWIN). ANGWIN utilizes image data from several sites around Antarctica to investigate continent-wide propagation. This paper covers a study that reduced and analyzed two years of data from one particular site: McMurdo Station. An all-sky IR camera placed at McMurdo Station, Antarctica (77°83’ S, 166°61’ E) took one picture every ten seconds for the months of April through September in 2012 and 2013. The data were first visually analyzed to distinguish clear sky periods of at least four hours. The best nights were selected to run through a series of software analyses. First, the background stars were removed from the images. Second, a mean image was created for the night. Third, the images were flat fielded, calibrated, and unwarped. These steps prepared the data to be input into a 3D spectral analysis IDL program (Matsuda, et al., 2014), which output graphs quantifying amplitude (power) and horizontal phase velocity distributions of gravity waves over McMurdo Station, Antarctica. Example processed data during August 2012 are shown demonstrating the successful 3D spectral analysis of the GW are presented, opening the door to large-scale GW analyses. Text Antarc* Antarctic Antarctica Utah State University: DigitalCommons@USU Antarctic McMurdo Station ENVELOPE(166.667,166.667,-77.850,-77.850) |
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Utah State University: DigitalCommons@USU |
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unknown |
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atmospheric gravity wave events Antarctica Physics |
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atmospheric gravity wave events Antarctica Physics Wrobel, America Atmospheric Gravity Wave Events over Antarctica |
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atmospheric gravity wave events Antarctica Physics |
description |
This study used infrared (IR) image data obtained from McMurdo Station, Antarctica to investigate the properties of atmospheric gravity waves as they propagate into the upper mesosphere over Antarctica. The data were obtained as part of the international Antarctic Gravity Wave Instrument Network (ANGWIN). ANGWIN utilizes image data from several sites around Antarctica to investigate continent-wide propagation. This paper covers a study that reduced and analyzed two years of data from one particular site: McMurdo Station. An all-sky IR camera placed at McMurdo Station, Antarctica (77°83’ S, 166°61’ E) took one picture every ten seconds for the months of April through September in 2012 and 2013. The data were first visually analyzed to distinguish clear sky periods of at least four hours. The best nights were selected to run through a series of software analyses. First, the background stars were removed from the images. Second, a mean image was created for the night. Third, the images were flat fielded, calibrated, and unwarped. These steps prepared the data to be input into a 3D spectral analysis IDL program (Matsuda, et al., 2014), which output graphs quantifying amplitude (power) and horizontal phase velocity distributions of gravity waves over McMurdo Station, Antarctica. Example processed data during August 2012 are shown demonstrating the successful 3D spectral analysis of the GW are presented, opening the door to large-scale GW analyses. |
format |
Text |
author |
Wrobel, America |
author_facet |
Wrobel, America |
author_sort |
Wrobel, America |
title |
Atmospheric Gravity Wave Events over Antarctica |
title_short |
Atmospheric Gravity Wave Events over Antarctica |
title_full |
Atmospheric Gravity Wave Events over Antarctica |
title_fullStr |
Atmospheric Gravity Wave Events over Antarctica |
title_full_unstemmed |
Atmospheric Gravity Wave Events over Antarctica |
title_sort |
atmospheric gravity wave events over antarctica |
publisher |
Hosted by Utah State University Libraries |
publishDate |
2018 |
url |
https://digitalcommons.usu.edu/phys_capstoneproject/64 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1063&context=phys_capstoneproject |
long_lat |
ENVELOPE(166.667,166.667,-77.850,-77.850) |
geographic |
Antarctic McMurdo Station |
geographic_facet |
Antarctic McMurdo Station |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Physics Capstone Projects |
op_relation |
https://digitalcommons.usu.edu/phys_capstoneproject/64 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1063&context=phys_capstoneproject |
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. |
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1766202786928656384 |