The Black Sea basin filling by the Mediterranean salt water during the Holocene

Esin, Nikolay; Yanko-Hombach, Valentina

doi:10.1016/j.quaint.2015.05.011

Cited by 9 publications

(19 citation statements)

References 6 publications

(16 reference statements)

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“…(2004), Thom (2010), Esin and Esin (2014), and Esin et al. (2016). These studies serve as the basis for the models in the present paper, as explained below.…”

Section: Water‐volume Inverse Modelsmentioning

confidence: 96%

“…(1999) and (b) those that assume that friction created by the sides, bottom and length of the Bosporus, that is, the channel viscosity, controls the rates, as exemplified by Esin and Esin (2014) and Esin et al. (2016). We employ the term channel viscosity to distinguish this viscosity from molecular viscosity or eddy viscosity that obeys classical boundary layer theory.…”

Section: Water‐volume Inverse Modelsmentioning

confidence: 99%

“…We also employ and examine two current hydraulic models for the Bosporus Strait (Lane‐Serff et al., 1999) versus Esin and Esin (2014) and Esin et al. (2016), in order to establish which of these produces flow estimates consistent with present observations.…”

Section: Introductionmentioning

confidence: 98%

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Inverse Modeling of the Net Water Balance of the Black Sea From the Last Glacial Maximum to the Present

Boudreau

Calvert

Kienast

et al. 2021

Paleoceanog and Paleoclimatol

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The net freshwater balance plays a central role in the biological, chemical, geological and physical changes in the Black Sea since the Late Glacial Maximum (LGM), that is, 18–24,000 years BP. Past estimates of this balance vary widely. Here we solve inversely a water balance model coupled to two previously published Bosporus flow models, that is, flow rates controlled either by hydraulics with a critical height or by channel friction. We drive both models with two previously proposed Black Sea water‐level histories, that is, a smooth transition to saltwater entry and the “flood” scenario. First, we find that flow control by channel friction is far more likely than control by critical‐height hydraulics, as the latter does not allow Marmara Sea water to enter the Bosporus at any time in the past and predicts present‐day outflows that are far greater than observed. Prior to intense glacial melting (12–14,000 years BP), all models retrodict net freshwater inflow far less than previously assumed, that is, on the order of −1 to +10 km3 yr−1, rather than +100 s km3 yr−1. Thus, our results explain the ease by which the Black Sea could switch from evaporative to water gain conditions, as implied by water‐level records for that period. In addition, the channel friction model hindcasts glacial meltwater spikes during the transition from the LGM to the Holocene that are much smaller, that is, 100–250 km3 yr−1, than retrodicted by the hydraulic model or reported in the literature, that is, >1,000 km3 yr−1.

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“…(2004), Thom (2010), Esin and Esin (2014), and Esin et al. (2016). These studies serve as the basis for the models in the present paper, as explained below.…”

Section: Water‐volume Inverse Modelsmentioning

confidence: 96%

Section: Water‐volume Inverse Modelsmentioning

confidence: 99%

See 1 more Smart Citation

Inverse Modeling of the Net Water Balance of the Black Sea From the Last Glacial Maximum to the Present

Boudreau

Calvert

Kienast

et al. 2021

Paleoceanog and Paleoclimatol

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“…Sterlet has undergone a significant decline in the wild and only few wild populations remain intact (Birstein, ; Jarić et al, ). The Danube and the Volga, which flow into the Black Sea and the Caspian Sea, have established a complete genetic isolation in the Pliocene, some 5 million years ago (Esin, Esin, & Yanko‐Hombach, ). Still, some hybridization due to human aquaculture activities have occurred.…”

Section: Introductionmentioning

confidence: 99%

Critical swimming speed of sterlet (Acipenser ruthenus): Does intraspecific hybridization affect swimming performance?

et al. 2018

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Summary We studied the effect of intraspecific hybridization on swimming performance in sterlet, hypothesizing that such hybridization increases the performance by inducing the hybrid vigor. A total of 12 purebred and hybrid crosses were reproduced from Danube (D) and Volga (V) populations of Acipenser ruthenus. Within each cross, one group of fish was exposed to temperature challenges mimicking the temperature variation in the natural environment during summer. Temperature challenges comprised a constant increase from 19°C to 24°C and then return to 19°C within 12 hr (dT<1°C/hr), and were carried out every third day over the experimental period of 20 days. As a control, fish from each cross were kept at a constant temperature of 19°C. Critical swimming speed (Ucrit) was assessed on day 0 (29 days post hatch, dph), 10 (39 dph) and 20 (49 dph). The critical swimming speeds ranged from 5.12 cm/s (1.63 TL/s) to 16.44 cm/s (2.4 TL/s) during the experimental period (29–49 dph). There were no significant differences observed in Ucrit between repeatedly temperature challenged and control groups, indicating that the temperature challenge did not alter the swimming performance. The critical swimming speed showed positive relationship with total body length. Comparing intraspecific hybrid crosses with purebred crosses, no significant difference in swimming performance was observed. It is thus concluded that swimming performance is a family specific trait. There is no indication that intraspecific hybridization affects swimming performance nor that close‐to‐natural temperature regimes increase swimming performance.

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“…The project established a series of new data, such as: (1) local stratigraphic and geochronological scales assembled into a regional one with a purpose of correlating the major geological and environmental events in human prehistory and history with global environmental changes (Yanina et al, 2018;; (2) chronostratigraphic correlation of the Ponto-Caspian and Mediterranean basins for the reconstruction of water exchange and the first peopling of Europe (Chepalyga, 2018); (3) dinoflagellate marker species of the relic Paratethyan seas: Pannonian to Caspian basins (Mudie et al, 2018); (4) the southern Levant caves as window to out of Africa hominin migration during Quaternary (Frumkin et al, 2018); (5) Eastern Paratethys -Mediterranean connections during the Neogene and Quaternary (Popov et al, 2018); (6) Adjustment theory in the study of human responses to global climate change in the Northwestern Black Sea region at the Pleistocene-Holocene boundary (Smyntyna, 2017); (7) a set of regional paleogeographic and geological maps (Popov et al, 2018); (8) a model for the processes of Caspian-Mediterranean corridor formation and Paratethys Sea-Lake degradation as well as a model for the filling of the Black Sea basin by Mediterranean salt water during the Holocene (Esin et al, 2015).…”

Section: Main Scientific Resultsmentioning

confidence: 99%

Toward an understanding of human responses to environmental change in the Caspian-Black Sea-Mediterranean Corridors (IGCP 610 final report)

Yanina

2019

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The Black Sea basin filling by the Mediterranean salt water during the Holocene

Cited by 9 publications

References 6 publications

Inverse Modeling of the Net Water Balance of the Black Sea From the Last Glacial Maximum to the Present

Inverse Modeling of the Net Water Balance of the Black Sea From the Last Glacial Maximum to the Present

Critical swimming speed of sterlet (Acipenser ruthenus): Does intraspecific hybridization affect swimming performance?

Toward an understanding of human responses to environmental change in the Caspian-Black Sea-Mediterranean Corridors (IGCP 610 final report)

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