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  • 40ka; Antarctica; Antarctic Ice Sheet; Basal melt rates; Glacial climate; Last Glacial Maximum; pre-industrial  (1)
  • Cibicidoides pachyderma, δ13C; Cibicidoides pachyderma, δ13C standard deviation; Cibicidoides pachyderma, δ18O; Cibicidoides pachyderma, δ18O standard deviation; Cibicidoides wuellerstorfi, δ13C; Cibicidoides wuellerstorfi, δ13C, standard deviation; Cibicidoides wuellerstorfi, δ18O; Cibicidoides wuellerstorfi, δ18O standard deviation; DEPTH, sediment/rock; OMEXII-9K_2; Tropical North Atlantic  (1)
  • ocean circulation  (1)
Document type
Keywords
Publisher
Language
Years
  • 1
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    Stable isotope data of benthic foraminifera from OMEXII-9K (2018)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Description: This data release contains stable isotope data from benthic foraminifera isolated from sediment core OMEXII-9K off the Iberian Margin, from 0 to 204cm, and an updated age model.
    Keywords: Cibicidoides pachyderma, δ13C; Cibicidoides pachyderma, δ13C standard deviation; Cibicidoides pachyderma, δ18O; Cibicidoides pachyderma, δ18O standard deviation; Cibicidoides wuellerstorfi, δ13C; Cibicidoides wuellerstorfi, δ13C, standard deviation; Cibicidoides wuellerstorfi, δ18O; Cibicidoides wuellerstorfi, δ18O standard deviation; DEPTH, sediment/rock; OMEXII-9K_2; Tropical North Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 140 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Basal melt rates in equilibrium simulations of the Antarctic ice sheet under pre-industrial, 40 ka, and Last Glacial Maximum ocean conditions using the Parallel Ice Sheet Model (PISM 1.1) (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: We present basal melt rates for the ice shelves in equilibrium simulations of the Antarctic ice sheet (AIS), using the 3D thermodynamical Parallel Ice Sheet Model (PISM) version 1.1 with PICO as ocean component. The applied climate forcing consists of yearly mean present-day temperature and precipitation fields from RACMO2.3 (RACMO2 ANT27), and 400-800 m depth average ocean temperature and salinity, obtained from simulations using the atmosphere-ocean general circulation model COSMOS (ocean model MPIOM). COSMOS was run using pre-industrial settings (PID; 278 ppm CO2), settings from 40 kyr ago (40ka; 195 ppm CO2), and Last Glacial Maximum settings (LGM; 185 ppm CO2). All simulations are started with present-day bedrock conditions, and a present-day AIS size (Bedmap2). The steady state simulations are conducted by applying the same climate forcing over 200 kyr, after a thermodynamical spin-up (no mass changes) of 200,100 yr.
    Keywords: 40ka; Antarctica; Antarctic Ice Sheet; Basal melt rates; Glacial climate; Last Glacial Maximum; pre-industrial
    Type: Dataset
    Format: application/zip, 164.5 kBytes
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Poleward Shift of the Major Ocean Gyres Detected in a Warming Climate (2021)
    Details
    Publication Date: 2021-10-12
    Description: Recent evidence shows that wind-driven ocean currents, like the western boundary currents, are strongly affected by global warming. However, due to insufficient observations both on temporal and spatial scales, the impact of climate change on large-scale ocean gyres is still not clear. Here, based on satellite observations of sea surface height and sea surface temperature, we find a consistent poleward shift of the major ocean gyres. Due to strong natural variability, most of the observed ocean gyre shifts are not statistically significant, implying that natural variations may contribute to the observed trends. However, climate model simulations forced with increasing greenhouse gases suggest that the observed shift is most likely to be a response of global warming. The displacement of ocean gyres, which is coupled with the poleward shift of extratropical atmospheric circulation, has broad impacts on ocean heat transport, regional sea level rise, and coastal ocean circulation.
    Keywords: 551.46 ; ocean gyre ; climate change ; poleward shift ; global warming ; ocean circulation ; sea level rise
    Language: English
    Type: map
    Location Call Number Limitation Availability
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    CITATION GEO-LEO
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