Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion
<jats:p>The internal wave dynamics over Rosemary Bank Seamount (RBS), North Atlantic, were investigated using the Massachusetts Institute of Technology general circulation model. The model was forced by M2-tidal body force. The model results are validated against the <jats:italic>in-situ...
Published in: | Frontiers in Marine Science |
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Language: | English |
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2021
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Online Access: | http://hdl.handle.net/10026.1/17785 https://doi.org/10.3389/fmars.2021.735358 |
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ftunivplympearl:oai:pearl.plymouth.ac.uk:10026.1/17785 2024-06-09T07:48:16+00:00 Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion Stashchuk, N Vlasenko, V 2021-09-10 735358- application/pdf http://hdl.handle.net/10026.1/17785 https://doi.org/10.3389/fmars.2021.735358 en eng Frontiers Media SA ISSN:2296-7745 E-ISSN:2296-7745 2296-7745 ARTN 735358 http://hdl.handle.net/10026.1/17785 doi:10.3389/fmars.2021.735358 2021-9-16 Not known internal tides internal lee waves bottom trapped internal waves numerical modeling Rosemary Bank Seamount deep water coral larvae dispersion journal-article Article 2021 ftunivplympearl https://doi.org/10.3389/fmars.2021.735358 2024-05-14T23:46:24Z <jats:p>The internal wave dynamics over Rosemary Bank Seamount (RBS), North Atlantic, were investigated using the Massachusetts Institute of Technology general circulation model. The model was forced by M2-tidal body force. The model results are validated against the <jats:italic>in-situ</jats:italic> data collected during the 136th cruise of the RRS “James Cook” in June 2016. The observations and the modeling experiments have shown two-wave processes developed independently in the subsurface and bottom layers. Being super-critical topography for the semi-diurnal internal tides, RBS does not reveal any evidence of tidal beams. It was found that below 800-m depth, the tidal flow generates bottom trapped sub-inertial internal waves propagated around RBS. The tidal flow interacting with a cluster of volcanic origin tall bottom cones generates short-scale internal waves located in 100 m thick seasonal pycnocline. A weakly stratified layer separates the internal waves generated in two waveguides. Parameters of short-scale sub-surface internal waves are sensitive to the season stratification. It is unlikely they can be observed in the winter season from November to March when seasonal pycnocline is not formed. The deep-water coral larvae dispersion is mainly controlled by bottom trapped tidally generated internal waves in the winter season. A Lagrangian-type passive particle tracking model is used to reproduce the transport of generic deep-sea water invertebrate species.</jats:p> Article in Journal/Newspaper North Atlantic PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University) Rosemary Bank ENVELOPE(-10.250,-10.250,59.200,59.200) Frontiers in Marine Science 8 |
institution |
Open Polar |
collection |
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University) |
op_collection_id |
ftunivplympearl |
language |
English |
topic |
internal tides internal lee waves bottom trapped internal waves numerical modeling Rosemary Bank Seamount deep water coral larvae dispersion |
spellingShingle |
internal tides internal lee waves bottom trapped internal waves numerical modeling Rosemary Bank Seamount deep water coral larvae dispersion Stashchuk, N Vlasenko, V Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion |
topic_facet |
internal tides internal lee waves bottom trapped internal waves numerical modeling Rosemary Bank Seamount deep water coral larvae dispersion |
description |
<jats:p>The internal wave dynamics over Rosemary Bank Seamount (RBS), North Atlantic, were investigated using the Massachusetts Institute of Technology general circulation model. The model was forced by M2-tidal body force. The model results are validated against the <jats:italic>in-situ</jats:italic> data collected during the 136th cruise of the RRS “James Cook” in June 2016. The observations and the modeling experiments have shown two-wave processes developed independently in the subsurface and bottom layers. Being super-critical topography for the semi-diurnal internal tides, RBS does not reveal any evidence of tidal beams. It was found that below 800-m depth, the tidal flow generates bottom trapped sub-inertial internal waves propagated around RBS. The tidal flow interacting with a cluster of volcanic origin tall bottom cones generates short-scale internal waves located in 100 m thick seasonal pycnocline. A weakly stratified layer separates the internal waves generated in two waveguides. Parameters of short-scale sub-surface internal waves are sensitive to the season stratification. It is unlikely they can be observed in the winter season from November to March when seasonal pycnocline is not formed. The deep-water coral larvae dispersion is mainly controlled by bottom trapped tidally generated internal waves in the winter season. A Lagrangian-type passive particle tracking model is used to reproduce the transport of generic deep-sea water invertebrate species.</jats:p> |
format |
Article in Journal/Newspaper |
author |
Stashchuk, N Vlasenko, V |
author_facet |
Stashchuk, N Vlasenko, V |
author_sort |
Stashchuk, N |
title |
Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion |
title_short |
Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion |
title_full |
Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion |
title_fullStr |
Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion |
title_full_unstemmed |
Internal Wave Dynamics Over Isolated Seamount and Its Influence on Coral Larvae Dispersion |
title_sort |
internal wave dynamics over isolated seamount and its influence on coral larvae dispersion |
publisher |
Frontiers Media SA |
publishDate |
2021 |
url |
http://hdl.handle.net/10026.1/17785 https://doi.org/10.3389/fmars.2021.735358 |
long_lat |
ENVELOPE(-10.250,-10.250,59.200,59.200) |
geographic |
Rosemary Bank |
geographic_facet |
Rosemary Bank |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
ISSN:2296-7745 E-ISSN:2296-7745 2296-7745 ARTN 735358 http://hdl.handle.net/10026.1/17785 doi:10.3389/fmars.2021.735358 |
op_rights |
2021-9-16 Not known |
op_doi |
https://doi.org/10.3389/fmars.2021.735358 |
container_title |
Frontiers in Marine Science |
container_volume |
8 |
_version_ |
1801379920926998528 |