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Temperature and isotopic composition of seawater in the epicontinental sea (Central Paratethys) during the Middle Miocene Climate Transition based on Mg/Ca, δ18O and δ13C from foraminiferal tests

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F18%3A00488668" target="_blank" >RIV/67985831:_____/18:00488668 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.palaeo.2017.12.027" target="_blank" >http://dx.doi.org/10.1016/j.palaeo.2017.12.027</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.palaeo.2017.12.027" target="_blank" >10.1016/j.palaeo.2017.12.027</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Temperature and isotopic composition of seawater in the epicontinental sea (Central Paratethys) during the Middle Miocene Climate Transition based on Mg/Ca, δ18O and δ13C from foraminiferal tests

  • Original language description

    Details regarding seawater temperature and isotopic composition of seawater in the Central Paratethys, during the Miocene epoch, are not well known. Here we present an insight based on results from a combination of Mg/Ca, δ18O and δ13C on foraminifera from the shallow core (LOM-1) representing the time interval of ~ 14.4 to 14.36 Ma. Globigerinoides trilobus, Globigerina bulloides, Cibicidoides spp. and Melonis pompilioides were chosen for analysis due to their variable ecological preferences within the water column and on the sea floor. We assessed problems concerning diagenetic alteration of foraminiferal calcite by using a single test approach when analysing δ18O and δ13C. Paleotemperature ranges turned out to be comparable with modern subtropical regions with no cooling trend as was expected at this period following the Middle Miocene Climatic Optimum. However, we find an interesting offset between the benthic species temperature response that is likely related to the different life-strategies of those species. Based on a combination of mentioned proxies it was possible to partly reconstruct δ18Oseawater for the studied locality and compare it with Mg/Ca derived temperature to obtain a possible correlation between temperature and salinity. We also investigated differences in surface and bottom water hydrography in comparison with the Mediterranean, and distinguish their different hydrographies. In addition, it was possible to identify dissimilar origins of surface and bottom water masses based on comparison of their isotopic composition.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10506 - Paleontology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Palaeogeography, Palaeoclimatology, Palaeoecology

  • ISSN

    0031-0182

  • e-ISSN

  • Volume of the periodical

    495

  • Issue of the periodical within the volume

    15 April 2018

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    12

  • Pages from-to

    60-71

  • UT code for WoS article

    000427344400006

  • EID of the result in the Scopus database

    2-s2.0-85041631489