Boknis Pre-SWOT Level-4 Hourly MITgcm LLC4320 Native Grid 2km Oceanographic Dataset Version 1.0

Description

This dataset provides a regional multivariate oceanographic state estimate from a global ocean numerical simulation with a focus on the Baltic Sea region. The global ocean simulation is based on the MIT general circulation model (MITgcm) with Lat-Lon-Cap grid (LLC) layout and 1/48-degree (2km at equator) nominal horizontal resolution. This simulation is often referred to as LLC4320 in the community and existing publications. The simulation has 90 vertical levels, with about 1-m vertical resolution at the surface and 30 m down to 500 m, for optimized resolution of the upper-ocean processes. The model has zero parameterized horizontal diffusivity. In the vertical direction, the K-Profile Parameterization (KPP) is used for boundary layer turbulent mixing. It is spun up progressively from the lower resolution MITgcm simulation from the Estimating the Circulation & Climate of the Ocean (ECCO), and forced by the 6-hourly ERA-Interim atmosphere reanalysis ( https://www.ecmwf.int/en/forecasts/datasets/reanalysis-datasets/era-interim ). A synthetic surface pressure field consisting of the 16 most dominant tidal constituents is used to dynamically mimic the tidal forcing. The dataset provides hourly oceanographic variables at native grid. Three-dimensional variables include temperature, salinity, and velocity. Two-dimensional variables include sea level anomaly, ocean mixed layer thickness, bottom pressure anomaly, net freshwater flux, net heat flux, shortwave radiative flux, net salt flux, and ocean surface stress.

Resources

Name Format Description Link
21 Mission and Instrument Overview https://podaac.jpl.nasa.gov/MEaSUREs-SSH
21 Generic Data Readers https://github.com/podaac/data-readers
22 Thumbnail https://podaac.jpl.nasa.gov/Podaac/thumbnails/MITgcm_LLC4320_Pre-SWOT_JPL_L4_Boknis_v1.0.jpg
21 Browse granule search results in Earthdata Search https://search.earthdata.nasa.gov/search/granules?p=C2258661664-POCLOUD
21 README file https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/web-misc/SWOT/Pre-SWOT_LLC4320/README
21 Data Use and Citation Policy https://podaac.jpl.nasa.gov/CitingPODAAC
21 Search results for publications that cite this dataset by its DOI. https://scholar.google.com/scholar?q=10.5067%2FPRESW-BOJ10
21 Mission and Instrument Overview https://podaac.jpl.nasa.gov/SWOT
33 PRE-SWOT NUMERICAL SIMULATION VERSION 1 USER GUIDE https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/web-misc/SWOT/Pre-SWOT_LLC4320/preswot_llc4320_user_guide.pdf
21 Access the dataset landing page for the collection https://doi.org/10.5067/PRESW-BOJ10
21 Browse and download granules over HTTPS using the virtual directories service https://cmr.earthdata.nasa.gov/virtual-directory/collections/C2258661664-POCLOUD

Tags

  • salinity-density
  • ocean-heat-budget
  • oceans
  • ocean-temperature
  • ocean-circulation
  • earth-science

Topics

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