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Thermohaline Properties in the Eastern Mediterranean in the Last Three Decades: is the Basin Returning to the Pre-emt Situation? : Volume 11, Issue 1 (03/02/2014)

By Cardin, V.

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Book Id: WPLBN0004020831
Format Type: PDF Article :
File Size: Pages 33
Reproduction Date: 2015

Title: Thermohaline Properties in the Eastern Mediterranean in the Last Three Decades: is the Basin Returning to the Pre-emt Situation? : Volume 11, Issue 1 (03/02/2014)  
Author: Cardin, V.
Volume: Vol. 11, Issue 1
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Hainbucher, D., Bensi, M., Civitarese, G., Rubino, A., & Cardin, V. (2014). Thermohaline Properties in the Eastern Mediterranean in the Last Three Decades: is the Basin Returning to the Pre-emt Situation? : Volume 11, Issue 1 (03/02/2014). Retrieved from http://worldlibrary.net/


Description
Description: OGS, Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, Borgo Grotta Gigante 42/c, 34018 Sgonico, Trieste, Italy. We present temperature, salinity and oxygen data collected during the M84/3 and P414 cruises in April and June 2011 on a basin-wide scale to determine the ongoing oceanographic characteristics in the Eastern Mediterranean (EM). The east–west transect through the EM sampled during the M84/3 cruise together with data gained on previous cruises over the period 1987–2011 are analysed in terms of regional aspects of the evolution of water mass properties and heat and salt content variation. The present state of the EM basin is also evaluated in the context of the evolution of the Eastern Mediterranean Transient (EMT). From this analysis we can infer that the state of the basin is still far from achieving the pre-EMT conditions. Indeed, the 2011 oceanographic conditions of the deep layer of the central Ionian lie between the thermohaline characteristics of the EMT and the pre-EMT phase, indicating a possible slow return towards the latter. In addition, the thermohaline properties of the Adriatic Deep Water are still in line (warmer and saltier) as when it restarted to produce dense waters after the EMT. Special attention is given to the variability of thermohaline properties of the Levantine Intermediate Water and Adriatic Deep Water in three main areas: the Cretan, the central Levantine and the central Ionian Seas. Finally, this study evidences the relationships among the hydrological property distributions of the upper-layer in the Levantine basin and the circulation regime in the Ionian.

Summary
Thermohaline properties in the Eastern Mediterranean in the last three decades: is the basin returning to the pre-EMT situation?

Excerpt
Bensi, M., Rubino, A., Cardin, V., Hainbucher, D., and Mancero-Mosquera, I.: Structure and variability of the abyssal water masses in the Ionian Sea in the period 2003–2010, J. Geophys. Res., 118, 1–13, doi:10.1029/2012JC008178, 2013.; Borzelli, G. L. E., Gačić, M., Cardin, V., and Civitarese, G.: Eastern Mediterranean transient and reversal of the Ionian Sea circulation, Geophys. Res. Lett., 36, L15108, doi:10.1029/2009GL039261, 2009.; Cardin, V., Bensi, M., and Pacciaroni, M.: Variability of water mass properties in the last two decades in the Southern Adriatic Sea with emphasis on the period 2006–2009, Cont. Shelf Res., 31, 951–965, doi:10.1016/j.csr.2011.03.002, 2011.; Civitarese, G., Gačić, M., Lipizer, M., and Eusebi Borzelli, G. L.: On the impact of the Bimodal Oscillating System (BiOS) on the biogeochemistry and biology of the Adriatic and Ionian Seas (Eastern Mediterranean), Biogeosciences, 7, 3987–3997, doi:10.5194/bg-7-3987-2010, 2010.; Gačić, M., Borzelli, G. L. E., Civitarese, G., Cardin, V., and Yari, S.: Can internal processes sustain reversals of the ocean upper circulation? The Ionian example, Geophys. Res. Lett., 37, L09608, doi:10.1029/2010GL043216, 2010.; Gačić, M., Civitarese, G., Eusebi Borzelli, G. L., Kovačević, V., Poulain, P.-M., Theocharis, A., Menna, M., Catucci, A., and Zarokanellos, N.: On the relationship between the decadal oscillations of the Northern Ionian Sea and the salinity distributions in the Eastern Mediterranean, J. Geophys. Res., 116, C12002, doi:10.1029/2011JC007280, 2011.; Gačić, M., Schroeder, K., Civitarese, G., Cosoli, S., Vetrano, A., and Eusebi Borzelli, G. L.: Salinity in the Sicily Channel corroborates the role of the Adriatic–Ionian Bimodal Oscillating System (BiOS) in shaping the decadal variability of the Mediterranean overturning circulation, Ocean Sci., 9, 83–90, doi:10.5194/os-9-83-2013, 2013.; Gačić, M., Civitarese, G., Kovačević, V., Ursella, L., Bensi, M., Menna, M., Cardin, V., Poulain, P.-M., Notarstefano, G., Cosoli, S., and Pizzi, C.: Extreme winter 2012 in the Adriatic: An example of climatic impact on the BiOS rhythm, Ocean Sci. Discuss., in press, 2014.; Hainbucher, D., Rubino, A., and Klein, B.: Water mass characteristics in the deep layers of the western Ionian basin observed during May, Geophys. Res. Lett., 33, L05608, doi:10.1029/2005GL025318, 2006.; Hainbucher, D., Rubino, A., Cardin, V., Tanhua, T., Schroeder, K., and Bensi, M.: Hydrographic situation during cruise M84/3 and P414 (spring 2011) in the Mediterranean Sea, Ocean Sci. Discuss., 10, 2399–2432, doi:10.5194/osd-10-2399-2013, 2013.; Hemleben, C., Roether, W., and Stoffers, P. (Eds.): Östliches Mittelmeer, Rotes Meer, Arabisches Meer, Cruise No. 31, 30 December 1994–22 March 1995, METEOR-Berichte, Universität Hamburg, 96-4, 282 pp., 1996.; Hemleben, C., Hoernle, K., Jørgensen, B. B., and Roether, W. (Eds.): Ostatlantik, Mittelmeer, Schwarzes Meer, Cruise No. 51, 12 September–28 December 2001, METEOR-Berichte, Universität Hamburg, 03–1, 225 pp., 2003.; Hopkins, T. S.: Physical processes in the mediterranean basins, in: Estuarine Transport Processes, edited by: Kjerfve, B., University of South Carolina Press, Columbia, SC, 285–286, 1978.; Hopkins, T. S.: Physics of the sea, in: Key Environments – Western Mediterranean, edited by: Margalef, R., Pergamon Press, Oxford, 116–117, 1985.; Josey, A. S.: Changes in the heat and freshwater

 

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