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| Kolodziejczyk, Nicolas; Ochoa, Jose; Candela, Julio; Sheinbaum, Julio. |
| Intense currents having speeds between 10 and 40 cm.s(-1) from 1000 m below the surface to the bottom have been measured in the Loop Current (LC) region and in the Western Gulf of Mexico (WGM). The observations come from moored current meters sampling from the near-surface to the bottom at 3300-3500 m and from August 2008 to August 2010. Ten intermittent intensified currents are documented. These events last 10 to 30 days and take place in the region just between the surface-intensified anticyclonic-cyclonic features, as deduced from altimetry and measured currents. In the WGM, they occur between the cores of anticyclone-cyclone pairs. In the Eastern Gulf of Mexico (EGM), they occur in the Loop Current edge between its anticyclonic circulation and a... |
| Tipo: Text |
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| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00099/20994/18626.pdf |
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| Meunier, Thomas; Sheinbaum, Julio; Pallàs Sanz, Enric; Tenreiro, Miguel; Ochoa, José; Angulo, Angel Ruiz; Carton, Xavier; Marez, Charly. |
| In this study, we harness the 25‐year satellite‐altimeter record, in concert with a vast array of in‐situ measurements, to estimate the heat content anomaly of 32 warm‐core rings in the Gulf of Mexico (GoM). The decay rate of these mesoscale eddies is studied in detail, and it is shown that they release the majority of their heat as they drift in the central GoM (away from topographic obstacles). The surface heat fluxes from the eddies is shown to be small in comparison to the total rate of heat loss from the eddies, suggesting that heat is primarily released towards the surrounding watermasses. Integrating the total heat evolution equation over the warm‐core rings yields an estimate of their effective lateral diffusivity coefficient. The long term impact... |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00606/71769/70249.pdf |
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