Deep water mass characteristics and interannual variability in the North and Central Aegean Sea

Velaoras, Dimitris; Lascaratos, A.

doi:10.1016/j.jmarsys.2004.05.027

Cited by 58 publications

(49 citation statements)

References 15 publications

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“…The average winter air temperature values show a decreasing trend and extreme negative anomalies over the Saros, İzmir, and Gökova areas during the major deep-water formation episode (Figure 2). Velaoras and Lascaratos (2005) found an abrupt increase in density in the intermediate depths during 1987 and 1988 in the Aegean Sea due to the decrease in temperature. In 1993, an even more intense density increase was observed, characterized this time by an abrupt salinity increase, as well as a temperature drop.…”

Section: Temporal Evolution Of the Water Characteristics In The Baysmentioning

confidence: 90%

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Temporal evolution of the water characteristics in the bays along the eastern coast of the Aegean Sea: Saros, İzmir, and Gökova bays

Eronat¹,

Sayın²

2014

Turkish J Earth Sci

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IntroductionThe Eastern Mediterranean Transient (EMT) is the abrupt change in the well-established Eastern Mediterranean thermohaline circulation due to the switch of the deepwater production areas in the basin from the Adriatic to the Aegean Sea that took place during the early '90s. Following the first observation of the EMT (Roether et al., 1996), a number of studies described various aspect of the EMT phenomenon (

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Section: Temporal Evolution Of the Water Characteristics In The Baysmentioning

confidence: 90%

“…They were compared with the intermediate water properties of the North Central Aegean Sea (obtained from the study by Velaoras and Lascaratos (2005)) in the discussion section. İzmir Bay is a very shallow area.…”

Section: Methodsmentioning

confidence: 99%

Temporal evolution of the water characteristics in the bays along the eastern coast of the Aegean Sea: Saros, İzmir, and Gökova bays

Eronat¹,

Sayın²

2014

Turkish J Earth Sci

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“…This decoupling between surface and intermediate masses is linked with the cessation of winter homogenization. During this period, the intermediate layer is fed with a mixture of intermediate masses locally produced in the Central Aegean during winter (Gertman et al, 2006;Vervatis et al, 2011) and of LIW masses, which enter the North Aegean through the South Aegean, which in turn communicates with the Levantine Sea through the East Cretan strait system (Zodiatis, 1994;Zervakis et al, 2000;Velaoras & Lascaratos, 2005).…”

Section: Subsurface/intermediate Layermentioning

confidence: 99%

Temperature and salinity variability in the Greek Seas based on POSEIDON stations time series: preliminary results

et al. 2013

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Temperature and salinity time series provided by three POSEIDON monitoring stations (buoys) are examined in order to study the seasonal and interannual variability of the water mass characteristics. The sites at Athos (North Aegean Sea), E1M3A (Central Cretan Sea) and Pylos (Eastern Ionian Sea) were chosen, as these buoys provide measurements at various depths, while they represent 3 major basins respectively. The study of the T and S characteristics reveals important seasonal changes and highlights the particular characteristics of each basin. Dense water production in the Northern Aegean is found to be hindered by the presence of the surface Black Sea Water (BSW) mass. On the other hand, the intermediate water mass in the Cretan Sea is shown to be ventilated during the winter season. A significant temperature and salinity increase has been monitored over both the Cen-

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“…As clearly shown in Fig. 6, during the EMT period both flows increase significantly as a response to an acceleration of the Aegean thermohaline cell, triggered by intense formation events (Velaoras & Lascaratos, 2005Gertman et al, 2006;Vervatis et al, 2011) and possibly by wind stress intensification Nittis et al, 2003). Mar.…”

Section: Resultsmentioning

confidence: 84%

“…Those very dense water masses are formed on the north Aegean shelves, mainly the Limnos-Lesvos plateau and in the Skyros and Chios basins ( Fig. 1) (Velaoras & Lascaratos, 2005;Gertman et al, 2006;Vervatis et al, 2011). Deep water formation processes and changes in the thermohaline properties of the north Aegean Sea were discussed by many authors investigating the Eastern Mediterranean Transient http://epublishing.ekt.gr | e-Publisher: EKT | Downloaded at 02/04/2019 00:01:23 | Medit.…”

Section: Introductionmentioning

confidence: 98%

INTER-annual/decadal variability of the north Aegean Sea hydrodynamics over 1960-2000

2014

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Results from a high-resolution hindcast model experiment, supported by available observations, reveal an increasing salinity trend in the north Aegean during the Eastern Mediterranean Transient (EMT) period, largely controlled by increases in the flow rate and salinity of water masses of Levantine origin entering the domain through the Myconos-Ikaria strait as a response to an acceleration of the Aegean thermohaline cell. Changes in the Dardanelles inflow (increasing salinity) and in the surface freshwater flux (increasing Evaporation-Precipitation), although both contributing to a higher salt content of the basin during the EMT, play a minor role in the inter-annual/decadal variability of the freshwater budget. A long-term decreasing temperature trend is observed from the 1960s to the early 1990s. It is superimposed on the salinity-preconditioning phase over the 1980s and early 1990s. Both signals are, concomitantly, favouring conditions for intense Dense Water Formation (DWF) in the north Aegean Sea. In addition, the northward displacement of the Black Sea Water front over the EMT, leads to the expansion of convective cells towards the north and to higher formation rates associated with both colder and saltier surface waters.

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Deep water mass characteristics and interannual variability in the North and Central Aegean Sea

Cited by 58 publications

References 15 publications

Temporal evolution of the water characteristics in the bays along the eastern coast of the Aegean Sea: Saros, İzmir, and Gökova bays

Temporal evolution of the water characteristics in the bays along the eastern coast of the Aegean Sea: Saros, İzmir, and Gökova bays

Temperature and salinity variability in the Greek Seas based on POSEIDON stations time series: preliminary results

INTER-annual/decadal variability of the north Aegean Sea hydrodynamics over 1960-2000

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