Brazil Wave Climate from a High-Resolution Wave Hindcast
A detailed climatology of ocean wind waves in the South Atlantic Ocean, based on ERA-5 reanalysis and in a higher-resolution wave hindcast (ERA-5H), both developed by the European Centre for Medium-Range Weather Forecasts, is presented. The higher resolution of the wave fields in the ERA-5H (22 km)...
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Multidisciplinary Digital Publishing Institute
2022
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Online Access: | https://doi.org/10.3390/cli10040053 |
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ftmdpi:oai:mdpi.com:/2225-1154/10/4/53/ 2023-08-20T04:08:24+02:00 Brazil Wave Climate from a High-Resolution Wave Hindcast Camila de Sa Cotrim Alvaro Semedo Gil Lemos agris 2022-03-31 application/pdf https://doi.org/10.3390/cli10040053 EN eng Multidisciplinary Digital Publishing Institute https://dx.doi.org/10.3390/cli10040053 https://creativecommons.org/licenses/by/4.0/ Climate; Volume 10; Issue 4; Pages: 53 wave analysis ERA5 South Atlantic Ocean Text 2022 ftmdpi https://doi.org/10.3390/cli10040053 2023-08-01T04:38:06Z A detailed climatology of ocean wind waves in the South Atlantic Ocean, based on ERA-5 reanalysis and in a higher-resolution wave hindcast (ERA-5H), both developed by the European Centre for Medium-Range Weather Forecasts, is presented. The higher resolution of the wave fields in the ERA-5H (22 km) allowed for a better description of the wind sea and swell features compared to previous global and regional studies along the Brazilian coast. Overall, it is shown that swell waves are more prevalent and carry more energy in the offshore area of the study area, while wind sea waves dominate the nearshore regions, especially along the northern coast of Brazil. The influence of different climate indices on the significant wave heights patterns is also presented, with two behavioral groups showing opposite correlations to the North Atlantic Oscillation and Southern Annular Mode than to the Southern Oscillation Index. The analysis of the decadal trends of wind sea and swell heights during the ERA-5H period (1979–2020) shows that the long-term trends of the total significant wave height in the South Atlantic Ocean are mostly due to swell events and the wave propagation effect from Southern Ocean storms. Text North Atlantic North Atlantic oscillation South Atlantic Ocean Southern Ocean MDPI Open Access Publishing Southern Ocean Climate 10 4 53 |
institution |
Open Polar |
collection |
MDPI Open Access Publishing |
op_collection_id |
ftmdpi |
language |
English |
topic |
wave analysis ERA5 South Atlantic Ocean |
spellingShingle |
wave analysis ERA5 South Atlantic Ocean Camila de Sa Cotrim Alvaro Semedo Gil Lemos Brazil Wave Climate from a High-Resolution Wave Hindcast |
topic_facet |
wave analysis ERA5 South Atlantic Ocean |
description |
A detailed climatology of ocean wind waves in the South Atlantic Ocean, based on ERA-5 reanalysis and in a higher-resolution wave hindcast (ERA-5H), both developed by the European Centre for Medium-Range Weather Forecasts, is presented. The higher resolution of the wave fields in the ERA-5H (22 km) allowed for a better description of the wind sea and swell features compared to previous global and regional studies along the Brazilian coast. Overall, it is shown that swell waves are more prevalent and carry more energy in the offshore area of the study area, while wind sea waves dominate the nearshore regions, especially along the northern coast of Brazil. The influence of different climate indices on the significant wave heights patterns is also presented, with two behavioral groups showing opposite correlations to the North Atlantic Oscillation and Southern Annular Mode than to the Southern Oscillation Index. The analysis of the decadal trends of wind sea and swell heights during the ERA-5H period (1979–2020) shows that the long-term trends of the total significant wave height in the South Atlantic Ocean are mostly due to swell events and the wave propagation effect from Southern Ocean storms. |
format |
Text |
author |
Camila de Sa Cotrim Alvaro Semedo Gil Lemos |
author_facet |
Camila de Sa Cotrim Alvaro Semedo Gil Lemos |
author_sort |
Camila de Sa Cotrim |
title |
Brazil Wave Climate from a High-Resolution Wave Hindcast |
title_short |
Brazil Wave Climate from a High-Resolution Wave Hindcast |
title_full |
Brazil Wave Climate from a High-Resolution Wave Hindcast |
title_fullStr |
Brazil Wave Climate from a High-Resolution Wave Hindcast |
title_full_unstemmed |
Brazil Wave Climate from a High-Resolution Wave Hindcast |
title_sort |
brazil wave climate from a high-resolution wave hindcast |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2022 |
url |
https://doi.org/10.3390/cli10040053 |
op_coverage |
agris |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
North Atlantic North Atlantic oscillation South Atlantic Ocean Southern Ocean |
genre_facet |
North Atlantic North Atlantic oscillation South Atlantic Ocean Southern Ocean |
op_source |
Climate; Volume 10; Issue 4; Pages: 53 |
op_relation |
https://dx.doi.org/10.3390/cli10040053 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/cli10040053 |
container_title |
Climate |
container_volume |
10 |
container_issue |
4 |
container_start_page |
53 |
_version_ |
1774720634363838464 |