92b07757-3897-4a26-b93d-c508ffe93846 eng utf8 dataset dataset NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom polardatacentre@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact 2024-01-10 ISO 19115 Geographic Information - Metadata ISO 19115:2003(E) European Petroleum Survey Group (EPSG) Geodetic Parameter Registry 2008-11-12 publication European Petroleum Survey Group EPSGadministrator@iogp.org https://www.epsg-registry.org/ EPSG Geodetic Parameter Dataset The EPSG Geodetic Parameter Dataset is a structured dataset of Coordinate Reference Systems and Coordinate Transformations, accessible through this online registry. information publisher urn:ogc:def:crs:EPSG::3031 6.18.3 HadCM3 model outputs: Spontaneous Dansgaard-Oeschger type oscillations 2024-01-10 creation 2024-01-10 revision 2024-01-10 publication 2024-01-10 released 1.0 https://doi.org/10.5285/92b07757-3897-4a26-b93d-c508ffe93846 doi GB/NERC/BAS/PDC/01813 https://data.bas.ac.uk/ Please cite this item as: Malmierca Vallet, I., Sime, L., Valdes, P., Klockmann, M., Vettoretti, G., & Slattery, J. (2024). HadCM3 model outputs: Spontaneous Dansgaard-Oeschger type oscillations (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/92b07757-3897-4a26-b93d-c508ffe93846 The Marine Isotopic Stage 3 (MIS 3 - between 27.8 - 59.4 thousand of years before present, hereafter ka) was characterised by millennial-scale climate fluctuations, also known as Dansgaard-Oeschger (D-O) oscillations. During D-O events, atmospheric and oceanic conditions alternated between warm interstadial (of up to 10-16 degrees C increase in air temperatures over Greenland) and cold stadial states (Dansgaard et al., 1993; Huber et al., 2006; Kindler et al., 2014). This dataset contains model outputs for four MIS 3 simulations run with the Bristol version of the Hadley Centre Coupled Model3 (HadCM3b). The model outputs are presented as netCDF files and contain the following variables: surface temperature, ocean temperature, Atlantic Meridional Overturning Circulation (AMOC), sea ice concentration, salinity and mixed layer depth.. The four simulations show D-O like behaviour, spontaneous D-O type oscillations. This work was funded by the European Union's Horizon 2020 research and innovation programme under grant agreement no. 820970. No credit. completed Malmierca Vallet, Irene British Antarctic Survey Researcher author Sime, Louise British Antarctic Survey Researcher author Valdes, Paul University of Bristol Researcher author Klockmann, Marlene The Helmholtz Center Hereon Researcher author Vettoretti, Guido University of Copenhagen Researcher author Slattery, John British Antarctic Survey Researcher author NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact asNeeded completed EARTH SCIENCE > Oceans > Ocean Circulation theme Global Change Master Directory (GCMD) Science Keywords 2026-01-27 publication 23 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) Greenbelt MD United States of America https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher D-O type oscillations Dansgaard-Oeschger (D-O) events HadCM3 Marine Isotopic Stage 3 (MIS 3) theme Global place Oceanographic geographical features theme GEMET - INSPIRE themes, version 1.0 2021-01-06 revision otherRestrictions no limitations to public access otherRestrictions no limitations license Open Government Licence v3.0 otherRestrictions Data supplied under Open Government Licence v3.0 otherRestrictions No restrictions apply. url url crossReference url url largerWorkCitation url url largerWorkCitation doi doi crossReference doi doi crossReference doi doi crossReference textTable eng utf8 oceans -180.0 180.0 -90.0 90.0 It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk. NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information distributor application/x-hdf application/netcdf bytes 53687091200 http://ramadda.data.bas.ac.uk/repository/entry/show?entryid=92b07757-3897-4a26-b93d-c508ffe93846 WWW:LINK-1.0-http--link Get Data Download data download bytes 53687091200 http://ramadda.data.bas.ac.uk/repository/entry/show?entryid=92b07757-3897-4a26-b93d-c508ffe93846 WWW:LINK-1.0-http--link Get Data Download data download dataset Methodology: This dataset contains model output for 4,700-10,000 year-long HadCM3 (Hadley Centre Coupled Model3 - HadCM3b) simulations. They are run with atmospheric CO2 from 100 to 300 ppm, with insolation and ice-sheets from 30 ka. In particular, the ICE-5G model (Peltier, 2004) is used to infer the 30 ka ice sheet configuration. ICE-5G simulates the evolution of ice extent, thickness and isostatic rebound up to the LGM, so the pre-LGM ice sheet is calculated from the equivalent sea level (ice volume), during the deglaciation. The same approach has been previously used in Armstrong et al. (2019) and Davies-Barnard et al. (2017). Data collection: The model used is the HadCM3 (Hadley Centre Coupled Model3 - HadCM3b). These model simulations were run on Bristol Supercomputing Service (BlueCrystal Phase 4) and processed on the JASMIN data analysis platform (http://jasmin.ac.uk/). Data quality: HadCM3 is the UK CMIP3 coupled atmosphere-ocean general circulation model. Our version of HadCM3 includes the dynamic vegetation model TRIFFID and the land surface model MOSES 2.1. The horizontal resolution of the atmosphere model is 3.75 degrees longitude by 2.5 degrees latitude. The ocean model uses a resolution of 1.25 degrees longitude by 1.25 degrees latitude. The atmospheric and oceanic components use 19 and 20 vertical levels, respectively. asNeeded completed