 ds540.0 Home Page Help
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International Comprehensive Ocean-Atmosphere Data Set (ICOADS) Release 2.5, Individual Observations
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The International Comprehensive Ocean-Atmosphere Data Set (ICOADS) is a global ocean marine meteorological and surface ocean dataset. It is formed by merging many national and international data sources that contain measurements and visual observations from ships (merchant, navy, research), moored and drifting buoys, coastal stations, and other marine platforms. Each report contains individual observations of meteorological and oceanographic variables, such as sea surface and air temperatures, wind, pressure, humidity, and cloudiness. The coverage is global and sampling density varies depending on date and geographic position relative to shipping routes and ocean observing systems.
IMPORTANT: The time period of data available is defined in two segments.
- ICOADS Release 2.5 covers 1662 through 2007
- All data following the Release 2.5 end date is based exclusively on real-time GTS data with minimal quality control. These data should be considered preliminary and will be subject to change in new Releases of ICOADS
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Click a  icon for more details
| PERIODS: |
1662-10-15 to 2010-01-31 (Entire dataset)
 Period details by subset Period details by subset:
1662-10-15 to 2010-01-31 (IMMA format data for ICOADS Release 2.5)
1662-10-15 to 2007-12-31 (IMMA format data for ICOADS Release 2.5 Intermediate)
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| UPDATES: |
Monthly (nominally)
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| VARIABLES: |
| Air Temperature | Cloud Amount/Frequency | Dew Point Temperature | Humidity |
| Sea Level Pressure | Sea Surface Temperature | Surface Winds | Swells |
| Visibility | Wave Height | Wave Period | Wave Speed/Direction |
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| TYPES: |
Platform Observation
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| COVERAGE: |
See the detailed metadata for coverage information
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| SOURCES: |
DOC/NOAA/NESDIS/NCDC National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
UCAR/NCAR/CISL/DSSData Support Section, Computational and Information Systems Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research
DOC/NOAA/OAR/PMELPacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce
DOC/NOAA/NWS/NDBCNational Data Buoy Center, National Weather Service, NOAA, U.S. Department of Commerce
DOC/NOAA/ESRLEarth System Research Laboratory, NOAA, U.S. Department of Commerce
CA/DFO/ISDMIntegrated Science Data Management, Fisheries and Oceans, Canada
GB/MOD/METMet Office, Ministry of Defence, United Kingdom
DOC/NOAA/NWS/NCEPNational Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
DOC/NOAA/NESDIS/NODC/OCLOcean Climate Laboratory, National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce
JP/JAMSTEC/TRITONTRITON Office, Japan Marine Science and Technology Center, Japan
FSU/COAPSCenter for Ocean-Atmospheric Prediction Studies, Florida State University
DE/DWDDeutscher Wetterdienst (German Meteorological Service), Germany
UN/WMOWorld Meteorological Organization, United Nations
GB/NOCSNational Oceanography Centre, Southampton, United Kingdom
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| RELATED SITES: |
ICOADS Project Website
RECLAIM Project Website
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| PUBLICATIONS: |
Kent, E.C., S.D. Woodruff and D.I. Berry, 2007: WMO Publication No. 47 metadata and an assessment of observation heights in ICOADS. J. Atmos. Oceanic Technol., 24(2), 214-234.
Woodruff, S.D., H.F. Diaz, S.J. Worley, R.W. Reynolds, and S.J. Lubker, 2005: Early ship observational data and ICOADS. Climatic Change, 73, 169-194.
Worley, S.J., S.D. Woodruff, R.W. Reynolds, S.J. Lubker, and N. Lott, 2005: ICOADS Release 2.1 data and products. Int. J. Climatol. (CLIMAR-II Special Issue), 25, 823-842 (DOI: 10.1002/joc.1166).
Recommended acknowledgement for this dataset:
"The data for this study are from the Research Data Archive (RDA) which is maintained by the Computational and Information Systems Laboratory (CISL) at the National Center for Atmospheric Research (NCAR). NCAR is sponsored by the National Science Foundation (NSF). The original data are available from the RDA (http://dss.ucar.edu) in dataset number ds540.0."
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| VOLUME: |
38.35 GBytes (Entire dataset)
Volume details by subsetVolume details by subset:
IMMA format data for ICOADS Release 2.5: 20.87 GBytes
IMMA format data for ICOADS Release 2.5 Intermediate: 17.48 GBytes
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| DATA FORMATS: |
NOAA IMMA
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| RELATED DATASETS: |
ds540.1 - International Comprehensive Ocean-Atmosphere Data Set (ICOADS) Release 2.5, Monthly Summaries
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| MORE DETAILS: |
View more details for this dataset, including dataset citation, data contributors, and other detailed metadata
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| CONTACT: |
For assistance with this dataset, please contact
Zaihua Ji (303-497-1819)
. If the specialist is unavailable, please contact
Data Help.
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| DATA ACCESS: |
Click the  tab here or in the navigation bar at the top of the page. |
| COMMUNITY: |
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