On the dense water spreading off the Ross Sea shelf (Southern Ocean)
In this study, current meter and hydrological data obtained during the X Italian Expedition in the Ross Sea (CLIMA Project) are analyzed. Our data show a nice agreement with previous data referring to the water masses present in this area and their dynamics. Here, they are used to further analyze th...
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ftopenaccessrep:oai:zenodo.org:138381 2023-10-29T02:30:51+01:00 On the dense water spreading off the Ross Sea shelf (Southern Ocean) Giorgio Budillon E. Salusti S. Gremes Cordero 2002-07-01 https://www.openaccessrepository.it/record/138381 https://doi.org/10.1016/s0924-7963(02)00082-9 eng eng url:https://www.openaccessrepository.it/communities/itmirror https://www.openaccessrepository.it/record/138381 doi:10.1016/s0924-7963(02)00082-9 info:eu-repo/semantics/openAccess NEANIAS Atmospheric Research Community Aquatic Science Ecology Evolution Behavior and Systematics Oceanography info:eu-repo/semantics/article publication-article 2002 ftopenaccessrep https://doi.org/10.1016/s0924-7963(02)00082-9 2023-10-03T22:20:11Z In this study, current meter and hydrological data obtained during the X Italian Expedition in the Ross Sea (CLIMA Project) are analyzed. Our data show a nice agreement with previous data referring to the water masses present in this area and their dynamics. Here, they are used to further analyze the mixing and deepening processes of Deep Ice Shelf Water (DISW) over the northern shelf break of the Ross Sea. In more detail, our work is focused on the elementary mechanisms that are the most efficient in removing dense water from the shelf: either classical mixing effects or density currents that interact with some topographic irregularity in order to drop to deeper levels, or also the variability of the Antarctic Circumpolar Current (ACC) which, in its meandering, can push the dense water off the shelf, thus interrupting its geostrophic flow. We also discuss in detail the (partial) evidence of dramatic interactions of the dense water with bottom particulate, of geological or biological origin, thus generating impulsive or quasi-steady density-turbidity currents. This complex interaction allows one to consider bottom particular and dense water as a unique self-interacting system. In synthesis, this is a first tentative analysis of the effect of bottom particulate on the dense water dynamics in the Ross Sea. Article in Journal/Newspaper Antarc* Antarctic Ice Shelf Ross Sea Southern Ocean Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository Journal of Marine Systems 35 3-4 207 227 |
institution |
Open Polar |
collection |
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository |
op_collection_id |
ftopenaccessrep |
language |
English |
topic |
NEANIAS Atmospheric Research Community Aquatic Science Ecology Evolution Behavior and Systematics Oceanography |
spellingShingle |
NEANIAS Atmospheric Research Community Aquatic Science Ecology Evolution Behavior and Systematics Oceanography Giorgio Budillon E. Salusti S. Gremes Cordero On the dense water spreading off the Ross Sea shelf (Southern Ocean) |
topic_facet |
NEANIAS Atmospheric Research Community Aquatic Science Ecology Evolution Behavior and Systematics Oceanography |
description |
In this study, current meter and hydrological data obtained during the X Italian Expedition in the Ross Sea (CLIMA Project) are analyzed. Our data show a nice agreement with previous data referring to the water masses present in this area and their dynamics. Here, they are used to further analyze the mixing and deepening processes of Deep Ice Shelf Water (DISW) over the northern shelf break of the Ross Sea. In more detail, our work is focused on the elementary mechanisms that are the most efficient in removing dense water from the shelf: either classical mixing effects or density currents that interact with some topographic irregularity in order to drop to deeper levels, or also the variability of the Antarctic Circumpolar Current (ACC) which, in its meandering, can push the dense water off the shelf, thus interrupting its geostrophic flow. We also discuss in detail the (partial) evidence of dramatic interactions of the dense water with bottom particulate, of geological or biological origin, thus generating impulsive or quasi-steady density-turbidity currents. This complex interaction allows one to consider bottom particular and dense water as a unique self-interacting system. In synthesis, this is a first tentative analysis of the effect of bottom particulate on the dense water dynamics in the Ross Sea. |
format |
Article in Journal/Newspaper |
author |
Giorgio Budillon E. Salusti S. Gremes Cordero |
author_facet |
Giorgio Budillon E. Salusti S. Gremes Cordero |
author_sort |
Giorgio Budillon |
title |
On the dense water spreading off the Ross Sea shelf (Southern Ocean) |
title_short |
On the dense water spreading off the Ross Sea shelf (Southern Ocean) |
title_full |
On the dense water spreading off the Ross Sea shelf (Southern Ocean) |
title_fullStr |
On the dense water spreading off the Ross Sea shelf (Southern Ocean) |
title_full_unstemmed |
On the dense water spreading off the Ross Sea shelf (Southern Ocean) |
title_sort |
on the dense water spreading off the ross sea shelf (southern ocean) |
publishDate |
2002 |
url |
https://www.openaccessrepository.it/record/138381 https://doi.org/10.1016/s0924-7963(02)00082-9 |
genre |
Antarc* Antarctic Ice Shelf Ross Sea Southern Ocean |
genre_facet |
Antarc* Antarctic Ice Shelf Ross Sea Southern Ocean |
op_relation |
url:https://www.openaccessrepository.it/communities/itmirror https://www.openaccessrepository.it/record/138381 doi:10.1016/s0924-7963(02)00082-9 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1016/s0924-7963(02)00082-9 |
container_title |
Journal of Marine Systems |
container_volume |
35 |
container_issue |
3-4 |
container_start_page |
207 |
op_container_end_page |
227 |
_version_ |
1781062809911558144 |