How much do tides affect the circulation of the Mediterranean Sea? From local processes in the Strait of Gibraltar to basin-scale effects

Naranjo, Cristina; García‐Lafuente, Jesús; Sannino, Gianmaria; Sánchez-Garrido, José Carlos

doi:10.1016/j.pocean.2014.06.005

Cited by 43 publications

(51 citation statements)

References 53 publications

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“…The analysis of the mixing layer depths over the corresponding winters (Fig. 19) confirms that only the first event is stronger in ExpNT, as was already shown in Naranjo et al (2014). The reason for such behaviour is clearly highlighted by the comparison of ExpT and ExpNT in Figs.…”

Section: Maw Circulation In the Western Basinsupporting

confidence: 77%

“…The reason for such agreement is that the analyzed bottom water is a sample of the Western Mediterranean Deep Water (WMDW), likely sucked at the eastern outlet of the Gibraltar Strait by a Bernoulli effect (Kinder and Parrilla, 1987), whose properties are therefore unaffected by tide and well represented by the MITgcm. However, comparison of the two simulation showed that such mechanisms is more efficient when tidal forcing is included, as shown in Naranjo et al (2014).…”

Section: Two-way Exchange and Tide-induced Mixing In The Strait Of Gimentioning

confidence: 96%

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On the relevance of tidal forcing in modelling the Mediterranean thermohaline circulation

Sannino

Carillo

Pisacane

et al. 2015

Progress in Oceanography

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Section: Maw Circulation In the Western Basinsupporting

confidence: 77%

Section: Two-way Exchange and Tide-induced Mixing In The Strait Of Gimentioning

confidence: 96%

On the relevance of tidal forcing in modelling the Mediterranean thermohaline circulation

Sannino

Carillo

Pisacane

et al. 2015

Progress in Oceanography

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“…Soto-Navarro et al (2014) have also recently shown that NEMOMED8 shows good results in representing the volume transport at the Gibraltar Strait despite a resolution which is not sufficient to resolve the small scale processes taking place in the narrow strait. In any case, it must be kept in mind that mixing across the strait is underestimated in Mediterranean climate models due to low resolution and the absence of tidal forcing (Naranjo et al 2014). Unfortunately, running regional climate models with enough resolution to solve the hydraulic regimes in the Strait (<500 m; Sannino et al 2014) is currently not feasible.…”

Section: Evaluation Of the Ocean Climate For The 1961-1990 Periodmentioning

confidence: 99%

Mediterranean Sea response to climate change in an ensemble of twenty first century scenarios

et al. 2015

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to quantify the socio-economic uncertainty. Our 6-member scenario simulations display a warming and saltening of the Mediterranean. For the 2070-2099 period compared to , the sea surface temperature anomalies range from +1.73 to +2.97 °C and the SSS anomalies spread from +0.48 to +0.89. In most of the cases, we found that the future Mediterranean thermohaline circulation (MTHC) tends to reach a situation similar to the eastern Mediterranean Transient. However, this response is varying depending on the chosen boundary conditions and socio-economic scenarios. Our numerical experiments suggest that the choice of the near-Atlantic surface water evolution, which is very uncertain in General Circulation Models, has the largest impact on the evolution of the Mediterranean water masses, followed by the choice of the socio-economic scenario. The choice of river runoff and atmospheric forcing both have a smaller impact. The state of the MTHC during the historical period is found to have a large influence on the transfer of surface anomalies toward depth. Besides, subsurface currents are substantially modified in the Ionian Sea and the Balearic region. Finally, the response of thermosteric sea level ranges from +34 to +49 cm (2070-2099 vs. 1961-1990), mainly depending on the Atlantic forcing.

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“…The most sensitive issue is the choice of the interface depth, which stems from the regular reversals of the tidal currents in the Camarinal Sill (Candela et al, 1990;Bryden et al, 1994;García-Lafuente et al, 2000). Under these circumstances, the best option can possibly be the selection of a material surface, usually an isohaline close to 37.3-37.5 (Bryden et al, 1994;García-Lafuente et al, 2000;Naranjo et al, 2014). However, this choice cannot be applied because of the lack of salinity profiles.…”

Section: Outflow Per Unit Widthmentioning

confidence: 99%

The Mediterranean outflow in the Strait of Gibraltar and its connection with upstream conditions in the Alborán Sea

García‐Lafuente

Naranjo²,

Sammartino³

et al. 2017

Ocean Sci.

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Abstract. The present study addresses the hypothesis that the Western Alborán Gyre in the Alborán Sea (the westernmost Mediterranean basin adjacent to the Strait of Gibraltar) influences the composition of the outflow through the Strait of Gibraltar. The process invoked is that strong and welldeveloped gyres help to evacuate the Western Mediterranean Deep Water from the Alborán basin, thus increasing its presence in the outflow, whereas weak gyres facilitate the outflow of Levantine and other intermediate waters. To this aim, in situ observations collected at the Camarinal (the main) and Espartel (the westernmost) sills of the strait have been analysed along with altimetry data, which were employed to obtain a proxy of the strength of the gyre. An encouraging correlation of the expected sign was observed between the time series of potential temperature at the Espartel Sill, which is shown to keep information on the outflow composition, and the proxy of the Western Alborán Gyre, suggesting the correctness of the hypothesis, although the weakness of the involved signals does not allow for drawing definitive conclusions.

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How much do tides affect the circulation of the Mediterranean Sea? From local processes in the Strait of Gibraltar to basin-scale effects

Cited by 43 publications

References 53 publications

On the relevance of tidal forcing in modelling the Mediterranean thermohaline circulation

On the relevance of tidal forcing in modelling the Mediterranean thermohaline circulation

Mediterranean Sea response to climate change in an ensemble of twenty first century scenarios

The Mediterranean outflow in the Strait of Gibraltar and its connection with upstream conditions in the Alborán Sea

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