edu.ucar.gdex::d645000 eng; USA utf-8 dataset NSF NCAR Geoscience Data Exchange datahelp@ucar.edu https://gdex.ucar.edu NSF NCAR Geoscience Data Exchange The Geoscience Data Exchange (GDEX), managed by the Computational and Information Systems Laboratory (CISL) at NSF NCAR, contains a large collection of meteorological, atmospheric composition, and oceanographic observations, and operational and reanalysis model outputs, integrated with NSF NCAR High Performance Compute services to support atmospheric and geosciences research. download pointOfContact 2026-04-22T00:39:35Z ISO 19115 Geographic Information - Metadata ISO19115:2003/Cor 1 2006 https://doi.org/10.5065/Y5K4-6D48 CESM Large Ensemble with Increased Access (LEIA) for Ocean Biogeochemistry d645000 2019-05-30 publication Ito, Takamitsu author NSF National Center for Atmospheric Research publisher The yearly mean of 34 CESM large ensemble members on 2 degree longitude-latitude resolution with 33 vertical depth levels are in this dataset. This level of compression is chosen to keep the balance of large-scale model fields and the need to reduce data volume. Historical and RCP8.5 scenario segments are combined to a single time series consisting 1920 to 2100. The pre industry control simulation is also provided using the same data reduction scheme to allow for drift correction. Each ensemble member can fit in a single NetCDF file of 7.3GB containing 15 physical and biogeochemical variables. The reduction in both temporal and spatial resolution causes a loss of information, and its effect is assessed for a subset of model fields including sea surface temperature at 5m, subsurface dissolved oxygen at 200m, and air-sea flux of carbon dioxide . The largest basin-scale biases are found in the Arctic Ocean. For the global means, the biases are about an order of magnitude smaller. The interpolation error is most significant near the coast line. The surface ocean area is reduced by approximately 3% due to the loss of some coastal grid cells. These initial assessment suggest that the errors introduced by this resolution reduction are relatively small, and the reduced data volume generally benefits more than the small increase in uncertainty for global and basin-wide diagnostics. completed datahelp@ucar.edu pointOfContact notPlanned dataset https://gdex.ucar.edu/images/ds_logos/default_200_200.png Logo thumbnail from URL png NetCDF4 dataset Resource Type 2021-03-30 revision 4.4 DataCite Metadata Working Group orginator resourceTypeGeneral COMPUTERS > COMPUTERS U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2026-04-15 revision 23.7 NASA Global Change Master Directory orginator Valids List: Platforms Computer > Computer U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2026-04-15 revision 23.7 NASA Global Change Master Directory orginator Valids List: Instruments EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > POTENTIAL TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > POTENTIAL DENSITY EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2026-04-15 revision 23.7 NASA Global Change Master Directory orginator Valids List: Science and Services Keywords Creative Commons Attribution 4.0 International License None grid 2 eng utf-8 oceans -180.0 180.0 -90.0 90.0 1920-01-01T0000+00 2101-01-01T0000+00 NSF NCAR Geoscience Data Exchange datahelp@ucar.edu https://gdex.ucar.edu distributor 311527.133 https://gdex.ucar.edu/datasets/d645000/ https Dataset Description Related Link information https://gdex.ucar.edu/datasets/d645000/dataaccess/ https Data Access Related Link download none asNeeded