Articles | Volume 4-osr8
https://doi.org/10.5194/sp-4-osr8-5-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/sp-4-osr8-5-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Monitoring main ocean currents of the Iberia–Biscay–Ireland region
Álvaro de Pascual Collar
CORRESPONDING AUTHOR
Nologin Oceanic Weather Systems, Paseo de la Castellana 216, 8th Floor, Office 811, 28046 Madrid, Spain
Roland Aznar
Nologin Oceanic Weather Systems, Paseo de la Castellana 216, 8th Floor, Office 811, 28046 Madrid, Spain
Bruno Levier
Mercator Ocean International, 2 Av. de l'Aérodrome de Montaudran, 31400 Toulouse, France
Marcos García Sotillo
Nologin Oceanic Weather Systems, Paseo de la Castellana 216, 8th Floor, Office 811, 28046 Madrid, Spain
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The Mediterranean Outflow Water (MOW) is a dense water mass originated in the Gibraltar Straight. The CMEMS IBI ocean reanalysis is used to provide a detailed view of the circulation and mixing processes of MOW near the Iberian and African Continental slopes. This work emphasizes the relevance of the complex bathymetric features defining the circulation and variability processes of MOW in this region.
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The article comprises the analysis of the ocean heat content in the northeastern Atlantic Iberian–Biscay–Ireland (IBI) region. The variability of ocean heat content is studied, and results are linked with the variability of the main water masses found in the region. Results show how the coupled interannual variability of water masses accounts for an important part of the total ocean heat content variability in the region.
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The Mediterranean Outflow Water (MOW) is a dense water mass originated in the Gibraltar Straight. The CMEMS IBI ocean reanalysis is used to provide a detailed view of the circulation and mixing processes of MOW near the Iberian and African Continental slopes. This work emphasizes the relevance of the complex bathymetric features defining the circulation and variability processes of MOW in this region.
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In the coming decades, a strong growth of the ocean economy is expected. Scientific advances in operational oceanography will play a crucial role in addressing many environmental challenges and in the development of ocean-related economic activities. In this context, remarkable improvements have been achieved with the current Mercator Ocean system. 3-D water masses, sea level, sea ice and currents have been improved, and thus major oceanic variables are hard to distinguish from the data.
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Short summary
The Iberia–Biscay–Ireland region in the North Atlantic has diverse ocean currents impacting upper and deeper layers. These currents are vital for heat transport, species dispersion, and sediment and pollutant movement. Monitoring them is crucial for informed decision-making in ocean-related activities, including the blue economy sector. This study introduces an indicator to track these currents, covering main ones like the Azores, Canary, Portugal, and poleward slope currents.
The Iberia–Biscay–Ireland region in the North Atlantic has diverse ocean currents impacting...
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