Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ...
This work identifes and investigates acoustic conditions relevant to ship based operation of Autonomous Underwater Vehicles (AUVs) under Antarctic sea ice. The principal objective of the project was to predict the detectability of acoustic status and emergency beacons used by AUVs in an Antarctic se...
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University Of Tasmania
2023
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ftdatacite:10.25959/23233007.v1 2023-06-11T04:07:12+02:00 Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... Alexander, P 2023 https://dx.doi.org/10.25959/23233007.v1 https://figshare.utas.edu.au/articles/thesis/Modelling_acoustic_propagation_under-ice_in_support_of_AUV_missions_in_Antarctica/23233007/1 unknown University Of Tasmania https://dx.doi.org/10.25959/23233007 In Copyright http://rightsstatements.org/vocab/InC/1.0/ article-journal Text ScholarlyArticle Thesis 2023 ftdatacite https://doi.org/10.25959/23233007.v110.25959/23233007 2023-06-01T12:11:45Z This work identifes and investigates acoustic conditions relevant to ship based operation of Autonomous Underwater Vehicles (AUVs) under Antarctic sea ice. The principal objective of the project was to predict the detectability of acoustic status and emergency beacons used by AUVs in an Antarctic sea-ice deployment environment. The key acoustic issues identified were deployment noise, the inuence of water column and sea ice canopy properties on acoustic propagation, and the source and receiver locations. This work contributes to this endeavour in three ways: the first is the measurement of a noise profile of the Australian Antarctic Division's research and resupply vessel the Aurora Australis while parked in Antarctic sea ice; the second is an investigation of the influence of water column properties and sea ice roughness on signal propagation using acoustic modelling and simulation; and the third is the inclusion of field measured Antarctic water and ice data in acoustic models to assess variability and ... Thesis Antarc* Antarctic Antarctica aurora australis Sea ice DataCite Metadata Store (German National Library of Science and Technology) Antarctic Endeavour ENVELOPE(162.000,162.000,-76.550,-76.550) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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ftdatacite |
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description |
This work identifes and investigates acoustic conditions relevant to ship based operation of Autonomous Underwater Vehicles (AUVs) under Antarctic sea ice. The principal objective of the project was to predict the detectability of acoustic status and emergency beacons used by AUVs in an Antarctic sea-ice deployment environment. The key acoustic issues identified were deployment noise, the inuence of water column and sea ice canopy properties on acoustic propagation, and the source and receiver locations. This work contributes to this endeavour in three ways: the first is the measurement of a noise profile of the Australian Antarctic Division's research and resupply vessel the Aurora Australis while parked in Antarctic sea ice; the second is an investigation of the influence of water column properties and sea ice roughness on signal propagation using acoustic modelling and simulation; and the third is the inclusion of field measured Antarctic water and ice data in acoustic models to assess variability and ... |
format |
Thesis |
author |
Alexander, P |
spellingShingle |
Alexander, P Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... |
author_facet |
Alexander, P |
author_sort |
Alexander, P |
title |
Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... |
title_short |
Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... |
title_full |
Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... |
title_fullStr |
Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... |
title_full_unstemmed |
Modelling acoustic propagation under-ice in support of AUV missions in Antarctica ... |
title_sort |
modelling acoustic propagation under-ice in support of auv missions in antarctica ... |
publisher |
University Of Tasmania |
publishDate |
2023 |
url |
https://dx.doi.org/10.25959/23233007.v1 https://figshare.utas.edu.au/articles/thesis/Modelling_acoustic_propagation_under-ice_in_support_of_AUV_missions_in_Antarctica/23233007/1 |
long_lat |
ENVELOPE(162.000,162.000,-76.550,-76.550) |
geographic |
Antarctic Endeavour |
geographic_facet |
Antarctic Endeavour |
genre |
Antarc* Antarctic Antarctica aurora australis Sea ice |
genre_facet |
Antarc* Antarctic Antarctica aurora australis Sea ice |
op_relation |
https://dx.doi.org/10.25959/23233007 |
op_rights |
In Copyright http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.25959/23233007.v110.25959/23233007 |
_version_ |
1768380052835139584 |