Late Pleistocene - Holocene Paleoenvironmental Changes From the Romanian Black Sea Shelf Inferred by Microfaunal and Isotope Fluctuations

Briceag, Andrei

doi:10.5593/sgem2016/b11/s01.039

Cited by 1 publication

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“…The youngest 7 cm bsf of the core is composed of gray and green silty clays, interbedded with millimeter‐scale coccolith laminae (Figs and ) (Briceag et al ., ). Towards the base of Unit 1, in the interval 5–6 cm bsf, a coquina layer, containing Modiolus phaseolinus and Mytilus galloprovincialis , has been identified.…”

Section: Resultsmentioning

confidence: 97%

“…beginning 15 000–13 800 14 C a BP) (Briceag et al ., ). The increases in ostracod diversity and abundance, compared with the LGM interval, suggest higher nutrient delivery to the basin (Briceag et al ., ). The occurrence at high abundance of oligohaline ostracods L. lepida and A. cymbula (Table ) throughout this interval suggests a shift in salinity from 5–8‰ to 0.5–5‰ (Ivanova et al ., ).…”

Section: Discussionmentioning

confidence: 97%

“…In core EuxRO_2, only the uppermost 70 cm was investigated, to complete the litho-and biostratigraphy. Preliminary studies on 09 SG 13 core were presented by Briceag et al (2016).…”

Section: Study Sitesmentioning

confidence: 99%

“…The hydrological evolution of the Black Sea is well reflected in ostracod assemblages. Numerous microfaunal studies providing new insights into past environmental conditions during the Late Pleistocene–Holocene have been published (Hiscott et al ., ; Ivanova et al ., , , ; Yanko‐Hombach, ; Opreanu, ; Boomer et al ., ; Briceag et al ., , , ; Zenina et al ., ). Zenina et al .…”

Section: Introductionmentioning

confidence: 99%

“…The hydrological evolution of the Black Sea is well reflected in ostracod assemblages. Numerous microfaunal studies providing new insights into past environmental conditions during the Late Pleistocene-Holocene have been published (Hiscott et al, 2007;Ivanova et al, 2007Ivanova et al, , 2012Ivanova et al, , 2015Yanko-Hombach, 2007;Opreanu, 2008;Boomer et al, 2010;Briceag et al, 2012Briceag et al, , 2014Briceag et al, , 2016Zenina et al, 2017). Zenina et al (2017) identified at $9600 a BP the first Mediterranean ostracod immigrants.…”

Section: Introductionmentioning

confidence: 99%

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Late Pleistocene to Holocene paleoenvironmental changes in the NW Black Sea

Briceag

Yanchilina

Ryan

et al. 2019

J Quaternary Science

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Two gravity cores that penetrated Upper Pleistocene to Upper Holocene sediments in the NW Black Sea have been studied lithologically and microfaunally. The investigations have been coupled with isotopic, calcium carbonate and radiocarbon dating. Six ecological intervals have been distinguished based on changes in microfossil assemblages, giving new insights on the sea‐level and paleoenvironmental changes that took place in the last 25 000 a BP. For the Last Glacial Maximum the ostracod community contains a homogeneous brackish assemblage dominated by Candonidae, suggesting a salinity around 5–8‰. The salinity decrease (to 0.5–5‰) that started concomitantly with the first Meltwater Pulse during Heinrich Stadial 1 is mirrored by increasing diversity and abundance of microfaunal assemblages. This microfaunal increase reached maximum values within the Bølling–Allerød warm period. The shift from Loxoconchidae to Candonidae towards the top of the Younger Dryas suggests a slight increase in salinity. The Preboreal warming period is marked by an abundance increase of ostracod assemblages. During the Late Holocene, stable marine conditions set in, reflected by assemblages similar to those of the present‐day. Based on these data, the first marine influx into the Black Sea before 9390 a BP is assumed.

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Section: Resultsmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 97%

“…In core EuxRO_2, only the uppermost 70 cm was investigated, to complete the litho-and biostratigraphy. Preliminary studies on 09 SG 13 core were presented by Briceag et al (2016).…”

Section: Study Sitesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The hydrological evolution of the Black Sea is well reflected in ostracod assemblages. Numerous microfaunal studies providing new insights into past environmental conditions during the Late Pleistocene-Holocene have been published (Hiscott et al, 2007;Ivanova et al, 2007Ivanova et al, , 2012Ivanova et al, , 2015Yanko-Hombach, 2007;Opreanu, 2008;Boomer et al, 2010;Briceag et al, 2012Briceag et al, , 2014Briceag et al, , 2016Zenina et al, 2017). Zenina et al (2017) identified at $9600 a BP the first Mediterranean ostracod immigrants.…”

Section: Introductionmentioning

confidence: 99%

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