Hydrographic characteristics of water masses and circulation in the Northern Ionian Sea

Budillon, Giorgio; Bue, Nadia Lo; Siena, Giuseppe; Spezie, G.

doi:10.1016/j.dsr2.2009.08.017

Cited by 46 publications

(38 citation statements)

References 28 publications

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“…The maps show spring 2012 because this was the year with SAd dense water initially spreads into the Northern Ionian Sea following the topography. The Adriatic outflowing dense water is known to move mainly along the isobaths on the Italian shelf at about 600-1000 m in almost geostrophic balance (Budillon et al 2010), a secondary branch follows a meridional path driven by the local bathymetry (Hainbucher et al 2006); both branches slowed down and sink due to friction and turbulent mixing with the ambient waters, thereby creating a nearly homogeneous layer below 1200 m (Curchitser et al 2001). Wu and Haines (1996) found newly formed Adriatic dense waters fill the Ionian abyss in 2-3 years.…”

Section: How Do Rivers Influence the Otranto Watermentioning

confidence: 99%

River runoff influences on the Central Mediterranean overturning circulation

et al. 2017

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Section: How Do Rivers Influence the Otranto Watermentioning

confidence: 99%

River runoff influences on the Central Mediterranean overturning circulation

et al. 2017

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“…Furthermore, despite the important changes in water circulation in the Mediterranean basin as a whole, it is possible that their direct effects on several marine ecosystem components are detected differently at local geographic level. Indeed, the highest density of M. rutllanti observed in the Apulian sub-area could be supported by the local hydrodynamic regime with a main deep current flowing from the Adriatic Sea into the northern Ionian, providing a continuous supply of nutrients and particulate organic matter to the Apulian Ionian area (Budillon et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Spatio-temporal changes of Munida Rutllanti Zariquiey-Alvarez, 1952 (Decapoda: Galatheidae) in the North-Western Ionian Sea (Central Mediterranean)

et al. 2013

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The spatio-temporal distribution pattern of Munida rutllanti in the north-western Ionian Sea has been studied. Data were collected during 14 experimental trawl surveys conducted from 1997 to 2010 as part of the international MEDITS project. The hauls were carried out during day-light hours between depths of 10 and 800 m in the spring season. A progressive increase in the abundance index (N/km 2 ) of M. rutllanti was observed from 2000 to 2008, then a sharp decrease was shown in the last two years. The greatest and lowest abundance indices were observed in the Apulian and central Calabrian sub-areas, respectively. The species was collected between 107 and 795 m in depth, with a significant increase and decrease over time in the maximum and minimum depth of finding, respectively. A highly significant increase over time in the mean carapace length was also observed in the whole study area. The widespread occurrence and increasing abundance of this species in the Ionian Sea could be related to the increase in temperature and the variation in hydrographic conditions which occurred in the Ionian basin during the EMT-BiOS phenomenon.

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“…Maximum extension of the WAC plume along the coast and into the Gulf of Taranto occurs in late spring due to snow melt in the Alps and the northern Apennines, and in fall when enhanced precipitation in the catchment areas leads to increased runoff. In the Gulf of Taranto, 5 the WAC mixes with the warmer, oligotrophic and more saline Ionian Surface Water (ISW) (38.8-38.9 psu, 17-19 °C;Budillon et al, 2010) flowing into the gulf from the central Ionian Sea (Poulain, 2001;Turchetto et al, 2007) (Fig. 1 B).…”

Section: Environmental Settingmentioning

confidence: 99%

Combined North Atlantic and anthropogenic forcing of changes in the marine environments in the Gulf of Taranto (Italy) during the last millennium

Menke

Ehrmann

Milker

et al. 2017

Preprint

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Abstract.This study examines the multi-decadal to centennial variability of benthic ecosystems, depositional environments and biogeochemical processes in the Gulf of Taranto (Italy) over the last millennium. Our study is based on sediment cores from two sites in the eastern Gulf of Taranto (Mediterranean Sea), and benthic foraminifera data of 43 surface sediment samples from the western Adriatic Sea reflecting modern conditions. We use the data to 20 unravel relative contributions of natural and anthropogenic forcing to conditions at the sediment-water interface in a marine setting with a long history of human impacts in river catchments. High abundances of infaunal foraminifera in surface sediments trace the nutrient-rich Po river outflow and display an area of high organic matter deposition in the north-eastern Gulf of Taranto. Decreasing Ca/Ti ratios suggest increasing terrigenous fluxes at ~1300 AD driven by wetter conditions during persistent negative phases of the North Atlantic 25 Oscillation (NAO). A strong NAO connection is also evident in high-resolution clay mineral data. The smectite/illite ratio reflects variable Po river runoff, and correlates well with NAO strength for the past 300 years. Benthic ecosystem variability as reflected by foraminifera is closely linked to the Northern Hemisphere temperature evolution during the past millennium. Spectral analysis reveals a quasi-periodic variability of ~50 to Clim. Past Discuss., https://doi

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Hydrographic characteristics of water masses and circulation in the Northern Ionian Sea

Cited by 46 publications

References 28 publications

River runoff influences on the Central Mediterranean overturning circulation

River runoff influences on the Central Mediterranean overturning circulation

Spatio-temporal changes of Munida Rutllanti Zariquiey-Alvarez, 1952 (Decapoda: Galatheidae) in the North-Western Ionian Sea (Central Mediterranean)

Combined North Atlantic and anthropogenic forcing of changes in the marine environments in the Gulf of Taranto (Italy) during the last millennium

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