A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM
The OCCAM (Ocean Circulation and Climate Advanced Modeling Project ) is one of the global ocean circulation models which has been commonly used by the Brazilian oceanographic community. In most cases it is associated to regional numerical modeling studies, where it provides initial and boundary cond...
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ftunivfurg:oai:repositorio.furg.br:1/1902 2023-11-12T04:03:28+01:00 A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM Cirano, Mauro Mata, Mauricio Magalhães Campos, Edmo José Dias Deiró, Núbia Fontes Reis 2006 application/pdf http://repositorio.furg.br/handle/1/1902 por por CIRANO, Mauro et al. A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM. Revista Brasileira de Geofísica, v. 24, n.2, p. 209-230, 2006. Disponível em:<http://www.scielo.br/pdf/rbg/v24n2/a05v24n2.pdf>. Acesso em: 14 mar. 2012. 0102-261X http://repositorio.furg.br/handle/1/1902 open access OCCAM NODC Ocean circulation model Termohaline fields South Atlantic Tropical Water South Atlantic Central Water Antarctic Intermediate Water North Atlantic Deep Water Modelo de circulação global Campos termohalinos Atlântico Sul Água Tropical Água Central do Atlântico Sul Água Intermediária Ántartica Água Profunda do Atlântico Norte article 2006 ftunivfurg 2023-10-24T20:59:55Z The OCCAM (Ocean Circulation and Climate Advanced Modeling Project ) is one of the global ocean circulation models which has been commonly used by the Brazilian oceanographic community. In most cases it is associated to regional numerical modeling studies, where it provides initial and boundary conditions for higher resolution models. The aim of this work, based on the concept of water masses, is to compare on an annual basis, the OCCAM with the use of: i) climatological temperature and salinity data from the NODC (National Oceanographic Data Center ) and ii) volume transports associated with the water masses and based on values available in the literature. The selected levels of comparison were chosen to represent the core of the main water masses of the South Atlantic and the associated currents, described based on their volume transports. The main results indicate that the model is capable of representing realistically the vertical structure of the main currents and the associated water masses for the study region. In the equatorial portion of the subtropical gyre the model shows, for example, the southward zonal migration of the South Equatorial Current bifurcation with the increase of depth. According to the model and for the Tropical Water level, the bifurcation occurs between 9◦S–15◦S, moving to 25◦S at the level of the South Atlantic Central Water and between 25◦S–30◦S at the level of the Antarctic Intermediate Water. The North Atlantic Deep Water, which is part of the thermohaline circulation, is represented in the model with a net southward transport between 15 Sv and 20 Sv for the region of study and is in agreement with the literature values. O OCCAM (Ocean Circulation and Climate Advanced Modelling Project ) e um dos modelos de circulação global que vem sendo bastante utilizado pela comunidade oceanográfica brasileira, principalmente em estudos de modelagem numérica regional, onde fornece condições iniciais e de contorno para modelos numéricos mais detalhados da circulação. Este trabalho visa, ... Article in Journal/Newspaper Antarc* Antarctic North Atlantic Deep Water North Atlantic RI FURG (Repositório da Universidade Federal do Rio Grande) Antarctic Larga ENVELOPE(-60.767,-60.767,-62.467,-62.467) The Antarctic |
institution |
Open Polar |
collection |
RI FURG (Repositório da Universidade Federal do Rio Grande) |
op_collection_id |
ftunivfurg |
language |
Portuguese |
topic |
OCCAM NODC Ocean circulation model Termohaline fields South Atlantic Tropical Water South Atlantic Central Water Antarctic Intermediate Water North Atlantic Deep Water Modelo de circulação global Campos termohalinos Atlântico Sul Água Tropical Água Central do Atlântico Sul Água Intermediária Ántartica Água Profunda do Atlântico Norte |
spellingShingle |
OCCAM NODC Ocean circulation model Termohaline fields South Atlantic Tropical Water South Atlantic Central Water Antarctic Intermediate Water North Atlantic Deep Water Modelo de circulação global Campos termohalinos Atlântico Sul Água Tropical Água Central do Atlântico Sul Água Intermediária Ántartica Água Profunda do Atlântico Norte Cirano, Mauro Mata, Mauricio Magalhães Campos, Edmo José Dias Deiró, Núbia Fontes Reis A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM |
topic_facet |
OCCAM NODC Ocean circulation model Termohaline fields South Atlantic Tropical Water South Atlantic Central Water Antarctic Intermediate Water North Atlantic Deep Water Modelo de circulação global Campos termohalinos Atlântico Sul Água Tropical Água Central do Atlântico Sul Água Intermediária Ántartica Água Profunda do Atlântico Norte |
description |
The OCCAM (Ocean Circulation and Climate Advanced Modeling Project ) is one of the global ocean circulation models which has been commonly used by the Brazilian oceanographic community. In most cases it is associated to regional numerical modeling studies, where it provides initial and boundary conditions for higher resolution models. The aim of this work, based on the concept of water masses, is to compare on an annual basis, the OCCAM with the use of: i) climatological temperature and salinity data from the NODC (National Oceanographic Data Center ) and ii) volume transports associated with the water masses and based on values available in the literature. The selected levels of comparison were chosen to represent the core of the main water masses of the South Atlantic and the associated currents, described based on their volume transports. The main results indicate that the model is capable of representing realistically the vertical structure of the main currents and the associated water masses for the study region. In the equatorial portion of the subtropical gyre the model shows, for example, the southward zonal migration of the South Equatorial Current bifurcation with the increase of depth. According to the model and for the Tropical Water level, the bifurcation occurs between 9◦S–15◦S, moving to 25◦S at the level of the South Atlantic Central Water and between 25◦S–30◦S at the level of the Antarctic Intermediate Water. The North Atlantic Deep Water, which is part of the thermohaline circulation, is represented in the model with a net southward transport between 15 Sv and 20 Sv for the region of study and is in agreement with the literature values. O OCCAM (Ocean Circulation and Climate Advanced Modelling Project ) e um dos modelos de circulação global que vem sendo bastante utilizado pela comunidade oceanográfica brasileira, principalmente em estudos de modelagem numérica regional, onde fornece condições iniciais e de contorno para modelos numéricos mais detalhados da circulação. Este trabalho visa, ... |
format |
Article in Journal/Newspaper |
author |
Cirano, Mauro Mata, Mauricio Magalhães Campos, Edmo José Dias Deiró, Núbia Fontes Reis |
author_facet |
Cirano, Mauro Mata, Mauricio Magalhães Campos, Edmo José Dias Deiró, Núbia Fontes Reis |
author_sort |
Cirano, Mauro |
title |
A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM |
title_short |
A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM |
title_full |
A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM |
title_fullStr |
A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM |
title_full_unstemmed |
A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM |
title_sort |
circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global occam |
publishDate |
2006 |
url |
http://repositorio.furg.br/handle/1/1902 |
long_lat |
ENVELOPE(-60.767,-60.767,-62.467,-62.467) |
geographic |
Antarctic Larga The Antarctic |
geographic_facet |
Antarctic Larga The Antarctic |
genre |
Antarc* Antarctic North Atlantic Deep Water North Atlantic |
genre_facet |
Antarc* Antarctic North Atlantic Deep Water North Atlantic |
op_relation |
CIRANO, Mauro et al. A circulação oceânica de larga-escala na região oeste do atlântico sul com base no modelo de circulação global OCCAM. Revista Brasileira de Geofísica, v. 24, n.2, p. 209-230, 2006. Disponível em:<http://www.scielo.br/pdf/rbg/v24n2/a05v24n2.pdf>. Acesso em: 14 mar. 2012. 0102-261X http://repositorio.furg.br/handle/1/1902 |
op_rights |
open access |
_version_ |
1782337461094973440 |