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Hydrographic Situation During Cruise M84/3 and P414 (Spring 2011) in the Mediterranean Sea : Volume 10, Issue 4 (29/07/2014)

By Hainbucher, D.

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Book Id: WPLBN0004020217
Format Type: PDF Article :
File Size: Pages 14
Reproduction Date: 2015

Title: Hydrographic Situation During Cruise M84/3 and P414 (Spring 2011) in the Mediterranean Sea : Volume 10, Issue 4 (29/07/2014)  
Author: Hainbucher, D.
Volume: Vol. 10, Issue 4
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

Citation

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Cardin, V., Rubino, A., Hainbucher, D., Schroeder, K., Tanhua, T., & Bensi, M. (2014). Hydrographic Situation During Cruise M84/3 and P414 (Spring 2011) in the Mediterranean Sea : Volume 10, Issue 4 (29/07/2014). Retrieved from http://hawaiilibrary.net/


Description
Description: CEN, Institut für Meereskunde, University of Hamburg, Bundesstraße 53, 20146 Hamburg, Germany. Aspects of hydrography and large-scale circulation observed in the Mediterranean Sea during the M84/3 and P414 cruises (April and June 2011, respectively) are presented. In contrast to most of the recent expeditions, which were limited to special areas of the basin, these two cruises, especially the M84/3, offered the opportunity of delineating a quasi-synoptic picture of the distribution of the relevant physical parameters along a section extending through the whole Mediterranean, from the Lebanese coast up to the Strait of Gibraltar. The foci of our analysis are the observed water mass properties and velocity fields. The first are investigated through TS diagrams and an optimum multiparameter (OMP) analysis and the results are discussed also in the context of recently identified modes of variability; the second are studied by comparing the velocity fields observed using a vessel-mounted Acoustic Doppler Current Profiler and those calculated from the observed density fields. Overall, a distribution of temperature, salinity and geostrophic velocities emerges, which is far from that observed before the beginning of the so-called Eastern Mediterranean Transient, a major climatic shift in the hydrography and circulation of the Mediterranean Sea which began at the end of the 1980s. The picture which emerges helps to further address the complexity of long-term evolution of hydrography and large-scale circulation of the Mediterranean Sea.

Summary
Hydrographic situation during cruise M84/3 and P414 (spring 2011) in the Mediterranean Sea

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, 2013a.; Bensi, M., Cardin, V., Rubino, A., Notarstefano, G., and Poulain, P. M.: Effects of winter convection on the deep layer of the Southern Adriatic Sea in 2012, J. Geophys. Res.-Ocean, 118, 6064–6075, doi:10.1002/2013JC009432, 2013b.; Bethoux, J. P., Gentili, B., Raunet, J., and Taillez, D.: Warming trend in the Western Mediterranean deep water, Nature, 347, 660–662, 1990.; Borzelli, G. L. E., Gačic, 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 South Adriatic Sea with emphasis on the period 2006–2009, Cont. Shelf Res., 31, 951–965, 2011.; Cardin, V., Civitarese, G., Hainbucher, D., Bensi, M., and Rubino, A.: Thermohaline properties in the Eastern Mediterranean in the last three decades: is the basin returning to the pre-EMT situation?, Ocean Sci. Discuss., 11, 391–423, doi:10.5194/osd-11-391-2014, 2014.; Font, J., Béranger, K., Bryden, H., Budillon, G., Fuda, J. L., Gaèiæ, M., Gascard, J. C., Packard, T., Puig, P., Roether, W., Salat, J., Salusti, E., Schroeer, K., Theocharis, A., and van Haren, H.: Executive summary of CIESM workshop 38 Dynamics of Mediterranean deep waters, in: CIESM, 2009, Dynamics of Mediterranean Deep Waters, N_38 in CIESM Workshop Monographs, edited by: Briand, F., Monaco, 132 pp., 2009.; Gačic, M., Borzelli, G. L. E., Civitarese, G., Cardin, V., and Yari, S.: Can internal processes sustain reversals of the ocean upper circulation? The Ionian Sea example, Geophys. Res. Lett., 37, L09608, doi:10.1029/2010GL043216, 2010.; Gasparini, G. P., Ortona, A., Budillon, G., Astraldi, M., and Sansone, E.: The effect of the Eastern Mediterranean Transient on the hydrographic characteristics in the Strait of Sicily and in the Tyrrhenian Sea, Deep Sea Res. Pt. I, 52, 915–936, 2005.; Gertman, I., Pinardi, N., Popov, Y., and Hecht, A.: Aegean Sea water masses during the early stages of the Eastern Mediterranean Climatic Transient (1988–1990), J. Phys. Oceanogr., 36, 1841–1859, 2006.; Hainbucher, D.: Cruise Report RV POSEIDON Cruise P414, available at: http://www.geomar.de/fileadmin/content/zentrum/ze/fs/Poseidon_Berichte_2011_PDF/POS414_Hainbucher.pdf (last access: 12 December 2013), 2012.; Hainbucher, D., Rubino, A., and Klein, B.: Water mass characteristics in the deep layers of the western Ionian Basin observed during May 2003, Geophys. Res. Lett., 33, L05608, doi:10.1029/2005GL025318, 2006.; Ovchinnikov, I. M.: Intermediate Water formation in the Mediterranean Sea, Okeanologiya, 24, 217–225, 1984.; Klein, B., Roether, W., Manca, B. B., Bregant, D., Beitzel, V., Kovacevic, V., and Luchetta, A.: The large deep water transient in the Eastern Mediterranean, Deep-Sea Res. Pt. I, 46, 371–414, 1999.; Kovačević, V., Manca, B. B., Ursella, L., Schroeder, K., Cozzi, S., Burca, M., Mauri, E., Gerin, R., Notarstefano, G., and Deponte, D.: Water mass properties and dynamic conditions of the Eastern Mediterranean in June 2007, Prog. Oceanogr., 104, 59–79, 2012.; Lascaratos, A.: Estimation of deep and intermediate water mass formation rates in the Mediterranean Sea

 

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