Infragravity waves across the oceans
Ocean infragravity (IG) waves are low-frequency waves generated along shorelines by incident seas and swell and with heights of the order of 1cm in the open ocean. Despite these small amplitudes, they can be of much importance for ice shelf break up and errors in measurements of sea level by future...
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ftird:oai:ird.fr:fdi:010063636 2023-05-15T16:41:54+02:00 Infragravity waves across the oceans Rawat, A. Ardhuin, F. Ballu, V. Crawford, W. Corela, C. Aucan, Jerôme ATLANTIQUE PACIFIQUE 2014 http://www.documentation.ird.fr/hor/fdi:010063636 EN eng http://www.documentation.ird.fr/hor/fdi:010063636 oai:ird.fr:fdi:010063636 Rawat A., Ardhuin F., Ballu V., Crawford W., Corela C., Aucan Jerôme. Infragravity waves across the oceans. Geophysical Research Letters, 2014, 41 (22), p. 7957-7963. infragravity waves DART global wave model text 2014 ftird 2020-08-21T06:53:12Z Ocean infragravity (IG) waves are low-frequency waves generated along shorelines by incident seas and swell and with heights of the order of 1cm in the open ocean. Despite these small amplitudes, they can be of much importance for ice shelf break up and errors in measurements of sea level by future satellite altimeters. A combination of numerical model results and in situ data is used to show that bottom pressure signals in the infragravity frequency band can be dominated by bursts of energy that travel across ocean basins, and can last for several days. Two particularly strong events recorded in 2008 are studied, one in the North-Pacific and the other in the North-Atlantic. It is shown that infragravity waves can travel across whole oceans basins with the signal recorded on the western shores often dominated by IG waves coming from the opposite shore of that same ocean basin. Text Ice Shelf North Atlantic IRD (Institute de recherche pour le développement): Horizon Pacific |
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Open Polar |
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IRD (Institute de recherche pour le développement): Horizon |
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ftird |
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English |
topic |
infragravity waves DART global wave model |
spellingShingle |
infragravity waves DART global wave model Rawat, A. Ardhuin, F. Ballu, V. Crawford, W. Corela, C. Aucan, Jerôme Infragravity waves across the oceans |
topic_facet |
infragravity waves DART global wave model |
description |
Ocean infragravity (IG) waves are low-frequency waves generated along shorelines by incident seas and swell and with heights of the order of 1cm in the open ocean. Despite these small amplitudes, they can be of much importance for ice shelf break up and errors in measurements of sea level by future satellite altimeters. A combination of numerical model results and in situ data is used to show that bottom pressure signals in the infragravity frequency band can be dominated by bursts of energy that travel across ocean basins, and can last for several days. Two particularly strong events recorded in 2008 are studied, one in the North-Pacific and the other in the North-Atlantic. It is shown that infragravity waves can travel across whole oceans basins with the signal recorded on the western shores often dominated by IG waves coming from the opposite shore of that same ocean basin. |
format |
Text |
author |
Rawat, A. Ardhuin, F. Ballu, V. Crawford, W. Corela, C. Aucan, Jerôme |
author_facet |
Rawat, A. Ardhuin, F. Ballu, V. Crawford, W. Corela, C. Aucan, Jerôme |
author_sort |
Rawat, A. |
title |
Infragravity waves across the oceans |
title_short |
Infragravity waves across the oceans |
title_full |
Infragravity waves across the oceans |
title_fullStr |
Infragravity waves across the oceans |
title_full_unstemmed |
Infragravity waves across the oceans |
title_sort |
infragravity waves across the oceans |
publishDate |
2014 |
url |
http://www.documentation.ird.fr/hor/fdi:010063636 |
op_coverage |
ATLANTIQUE PACIFIQUE |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Ice Shelf North Atlantic |
genre_facet |
Ice Shelf North Atlantic |
op_relation |
http://www.documentation.ird.fr/hor/fdi:010063636 oai:ird.fr:fdi:010063636 Rawat A., Ardhuin F., Ballu V., Crawford W., Corela C., Aucan Jerôme. Infragravity waves across the oceans. Geophysical Research Letters, 2014, 41 (22), p. 7957-7963. |
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