Sökning: "paleoceanography"

Hittade 3 uppsatser innehållade ordet paleoceanography.

  1. 1. Multistressors Related to Climate Change and Their Effects on Global Biodiversity during the Cenozoic Age

    Master-uppsats, Lunds universitet/Miljövetenskaplig utbildning

    Författare :Robin Mårtensson; [2018]
    Nyckelord :multistressors; biodiversity; paleontology; Paleocene; Eocene; Oligocene; Miocene; Pliocene; Pleistocene; sea level; deep ocean temperature; sea surface temperature; carbon dioxide; foraminifera; ocean circulation; Cenozoic; paleoceanography; climate change; Earth and Environmental Sciences;

    Sammanfattning : As multistressors have been shown to have significant effects on biodiversity and ecosystem functioning, the following study was made with the purpose of examining how a number of stressors specifically connected to climate change may have varied during the latest 65,5 million years and whether it is possible to predict potential effects on global biodiversity in the future. The analyses focused on global species richness during the Cenozoic age along with variables such as variations in atmospheric CO2, sea surface temperatures and global sea levels derived from analyses of various stable isotopes found in marine sediments. LÄS MER

  3. 2. The paleoceanography of Kattegat during the last deglaciation from benthic foraminiferal stable isotopes

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Yasmin Bokhari Friberg; [2015]
    Nyckelord :δ13C; δ18O; Kattegat; Baltic Sea; stable isotopes; foraminifera; deglaciation; paleoceanography; Earth and Environmental Sciences;

    Sammanfattning : En borrkärna från Anholt (Kattegatt) togs upp under IODP-expedition 347 i Östersjön. Kärnan är daterad till ~18-14 ka BP och representerar deglaciationen i slutet av Weichselistiden. LÄS MER

  4. 3. Eocene-Oligocene Benthic Foraminifera Stable Isotope Stratigraphy and Paleoceanography of ODP Site 757 and 756, Ninetyeast Ridge, Southern Indian Ocean

    Kandidat-uppsats, Stockholms universitet/Institutionen för geologiska vetenskaper

    Författare :Max Holmström; [2014]
    Nyckelord :;

    Sammanfattning : The EOT is marked by a two-step shift in the δ18O record of benthic foraminifera. The transition was rapid (500 000 years) and occurred roughly 34 million years ago. LÄS MER