International Comprehensive Ocean-Atmosphere Data Set (ICOADS)

Data and Documentation

ICOADS Release 3.1 (R3.1) was completed in October 2017 with data covering 1662-2014, plus preliminary data and products, Release 3.0.1, for 2015-present in near-real-time.

DATA ALERT: drifting buoy reduction, see Chronology and News



Surface marine observational records from ships, buoys, and other platform types
Access from NCAR
  • Global archive (year-month) files in IMMA format
  • User interface for spatial, temporal, and parameter subsetting, and quality flag application. Additionally provides access to the ICOADS value-added database, community provided value-added adjustments, and reanalysis quality control feedback.
    • Data output: CSV ASCII format
Access from NOAA/NCEI

Monthly Summary Statistics

Ten statistics (such as the mean and median) are calculated for each of 22 observed and derived variables, using 2° latitude x 2° longitude boxes back to 1800 (and 1°x1° boxes since 1960)
Access from NCAR
  • Global archive (year-month) files in Monthly Summary Group (MSG) binary format
  • User interface for spatial, temporal, and parameter subsetting
    • Data output: tabular ASCII format
Access and Visualization from NOAA/ESRL/PSD
  • Time-series of variables and statistics in netCDF format
  • User interface for spatial and temporal subsets, and visualization
    • Data output: netCDF format

Data and Documentation | Chronology and News | Program Status | Publications | Related Data and Resources | Contact Points

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Updated: Apr 11, 2018 12:32:13 UTC