Variation of deepwater convection in the western Mediterranean Sea (Gulf of Lion) during the last 28 ka

Melki, Tarek

doi:10.1016/j.quaint.2011.04.001

Cited by 6 publications

(5 citation statements)

References 46 publications

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“…The LE increase observed during HS1b (Fig. 5), rather than across the whole HS1, and specifically between 16.1 and 15 ka, concomitant with δ 18 O sewater decrease, strengthens the hypothesis of a relation of the large morphotype with fresher surface waters, linked to massive North Atlantic icebergs melting and/or to a Mediterranean source via Rhone River release, related to Eurasian ice sheet margins and the Alps (Cacho et al, 1999;Frigola et al, 2008;Melki, 2011). The direct correlation with pollen data at Site 976 suggests enhanced drought in the continent (Combourieu- Nebout et al, 2009) in this phase as indicated by a major extension of semi-desert plants with the dominance of Artemisia (Fig.…”

Section: Hs1b: Enhanced Water Stratification and Decrease In Salinitysupporting

confidence: 68%

High-frequency climate fluctuations over the last deglaciation in the Alboran Sea, Western Mediterranean: Evidence from calcareous plankton assemblages

Bazzicalupo

Maiorano

Girone

et al. 2018

Palaeogeography, Palaeoclimatology, Palaeoecology

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Section: Hs1b: Enhanced Water Stratification and Decrease In Salinitysupporting

confidence: 68%

High-frequency climate fluctuations over the last deglaciation in the Alboran Sea, Western Mediterranean: Evidence from calcareous plankton assemblages

Bazzicalupo

Maiorano

Girone

et al. 2018

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…7f). An almost identical event in the calcareous nannofossil assemblage has been identified in the western Mediterranean (Bazzicalupo et al, 2018) in the middle of the HS1, during a phase of increased melt water in the North Atlantic and/or in the Mediterranean via the Rhone River caused by Eurasian/Alps Ice Sheet complex melting (Cacho et al, 1999;Sierro et al, 2005;Frigola et al, 2008;Melki, 2011). The brief fresh water supply seen at our core location between HS1a and HS1b can thus reasonably be assigned to Alpine and Apennine melting ice (Asioli et al, 2001;Storms et al, 2008).…”

Section: Terrestrial Inputs During the Hs1supporting

confidence: 68%

Climate evolution in the Adriatic Sea across the last deglaciation: A multiproxy approach combining biomarkers and calcareous plankton

Bazzicalupo

Marie-Alexandrine

Checa

et al. 2022

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…Peaks of E. huxleyi (> 4 µm) match negative excursions of δ 18 O from both records ( Figure 5b). These isotopic depletions, not expected from the drops in SST, have been extensively explained as low-salinity surface waters entering the Alboran Sea, linked to massive North Atlantic iceberg melting (Cacho et al, 1999;Sierro et al, 2005;Melki, 2011). Smaller peaks of Syracosphaera spp.…”

Section: Stadials Associated With Heinrich Events 2 and 1 (H2 And H1)mentioning

confidence: 98%

Coccolithophore productivity and surface water dynamics in the Alboran Sea during the last 25 kyr

Ausín

Flores

Sierro

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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Coccolithophore productivity and surface water dynamics for the last 25 kyr in the Alboran Sea (Western Mediterranean) are described in a study of high-resolution sedimentary records from two cores, HER-GC-T1 and CEUTA10PC08, whose locations are currently characterized by different hydrographic conditions. Fossil coccolithophore assemblages and oxygen isotopes and alkenone-and planktonic foraminifera-derived sea surface temperature (SST) records allowed a reconstruction of the properties of the inflowing Atlantic Water (AW), which have proved to be a primary control of the variations in productivity in the neighbourhood of the Strait of Gibraltar. Other local factors, such as fluvial discharge, wind-induced and eddyinduced upwelling, are proposed to have influenced marine productivity in more distant areas. The entrance of cold and less saline AW during the stadials associated with Heinrich Events 2 and 1 prevented primary productivity, which increased along the Last Glacial Maximum, probably due to a greater fluvial discharge. During Terminations 1a and 1b, the upper water column was affected by stratification, although wind-induced upwelling occurred locally. The Bølling-Allerød was characterized by a gradual increase in productivity and the development of the Organic-Rich Layer. Two phases of the Younger Dryas are recognized: a first phase, which was colder, followed by a second phase, which was warmer and wetter. Differences in productivity between both locations during these two phases can be attributed to fluvial discharge and the changing properties of the AW. Local hydrography, such as the dynamics of the western anticyclonic gyre, gained greater importance in determining productivity and its variations during the Holocene, which was the most productive period.

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Variation of deepwater convection in the western Mediterranean Sea (Gulf of Lion) during the last 28 ka

Cited by 6 publications

References 46 publications

High-frequency climate fluctuations over the last deglaciation in the Alboran Sea, Western Mediterranean: Evidence from calcareous plankton assemblages

High-frequency climate fluctuations over the last deglaciation in the Alboran Sea, Western Mediterranean: Evidence from calcareous plankton assemblages

Climate evolution in the Adriatic Sea across the last deglaciation: A multiproxy approach combining biomarkers and calcareous plankton

Coccolithophore productivity and surface water dynamics in the Alboran Sea during the last 25 kyr

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