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GHRSST Level 3C North Atlantic Regional Subskin Sea Surface Temperature from the Advanced Very High Resolution Radiometer (AVHRR) on NOAA-19 (GDS version 2)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-10-04T00:00:00.000+00:00
A Group for High Resolution Sea Surface Temperature (GHRSST) dataset for the North Atlantic Region (NAR) from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA-19 platform (launched 6 Feb 2009). This particular dataset is produced by the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT), Ocean and Sea Ice Satellite Application Facility (OSI SAF) in France. The AVHRR is a space-borne scanning sensor on the National Oceanic and Atmospheric Administration (NOAA) family of Polar Orbiting Environmental Satellites (POES) having a operational legacy that traces back to the Television Infrared Observation Satellite-N (TIROS-N) launched in 1978. AVHRR instruments measure the radiance of the Earth in 5 (or 6) relatively wide spectral bands. The first two are centered around the red (0.6 micrometer) and near-infrared (0.9 micrometer) regions, the third one is located around 3.5 micrometer, and the last two sample the emitted thermal radiation, around 11 and 12 micrometers, respectively. The legacy 5 band instrument is known as AVHRR/2 while the more recent version, the AVHRR/3 (first carried on the NOAA-15 platform), acquires data in a 6th channel located at 1.6 micrometer. Typically the 11 and 12 micron channels are used to derive sea surface temperature (SST) sometimes in combination with the 3.5 micron channel. The highest ground resolution that can be obtained from the current AVHRR instruments is 1.1 km at nadir. The NOAA-19 platform is sun synchronous generally viewing the same earth location twice a day (latitude dependent) due to the relatively large AVHRR swath of approximately 2400 km. The NAR products are SST fields derived from 1km AVHRR data that are re-mapped onto a 0.02 degree equal angle grid. In the processing chain, global AVHRR level 1b data are acquired at Centre de Meteorologie Spatiale (CMS) through the EUMETSAT/EUMETCAST system. A cloud mask is applied and SST is retrieved from the AVHRR infrared (IR) channels by using a multispectral technique. This dataset adheres to the GHRSST Data Processing Specification (GDS) version 2 format specifications.

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Complete Metadata
@type dcat:Dataset
accessLevel non-public
contactPoint 
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describedByType application/octet-steam
description A Group for High Resolution Sea Surface Temperature (GHRSST) dataset for the North Atlantic Region (NAR) from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA-19 platform (launched 6 Feb 2009). This particular dataset is produced by the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT), Ocean and Sea Ice Satellite Application Facility (OSI SAF) in France. The AVHRR is a space-borne scanning sensor on the National Oceanic and Atmospheric Administration (NOAA) family of Polar Orbiting Environmental Satellites (POES) having a operational legacy that traces back to the Television Infrared Observation Satellite-N (TIROS-N) launched in 1978. AVHRR instruments measure the radiance of the Earth in 5 (or 6) relatively wide spectral bands. The first two are centered around the red (0.6 micrometer) and near-infrared (0.9 micrometer) regions, the third one is located around 3.5 micrometer, and the last two sample the emitted thermal radiation, around 11 and 12 micrometers, respectively. The legacy 5 band instrument is known as AVHRR/2 while the more recent version, the AVHRR/3 (first carried on the NOAA-15 platform), acquires data in a 6th channel located at 1.6 micrometer. Typically the 11 and 12 micron channels are used to derive sea surface temperature (SST) sometimes in combination with the 3.5 micron channel. The highest ground resolution that can be obtained from the current AVHRR instruments is 1.1 km at nadir. The NOAA-19 platform is sun synchronous generally viewing the same earth location twice a day (latitude dependent) due to the relatively large AVHRR swath of approximately 2400 km. The NAR products are SST fields derived from 1km AVHRR data that are re-mapped onto a 0.02 degree equal angle grid. In the processing chain, global AVHRR level 1b data are acquired at Centre de Meteorologie Spatiale (CMS) through the EUMETSAT/EUMETCAST system. A cloud mask is applied and SST is retrieved from the AVHRR infrared (IR) channels by using a multispectral technique. This dataset adheres to the GHRSST Data Processing Specification (GDS) version 2 format specifications.
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identifier gov.noaa.nodc:GHRSST-AVHRR_SST_NOAA19_NAR-OSISAF-L3C
issued 2014-12-24T00:00:00.000+00:00
keyword 
                                            [
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  "0124291",
  "0261607",
  "0261611",
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  "0261619",
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  "0261978",
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  "0262003",
  "0262008",
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  "AEROSOL OPTICAL THICKNESS",
  "ICE - COVERAGE",
  "SEA SURFACE TEMPERATURE",
  "WIND SPEED",
  "AVHRR-3",
  "satellite data",
  "NOAA-19",
  "Ocean and Sea Ice Satellite Application Facility",
  "NASA JPL PO.DAAC",
  "Group for High Resolution Sea Surface Temperature (GHRSST)",
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  "Bay of Biscay (Golfe de Gascogne)",
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  "Black Sea",
  "Bristol Channel",
  "Caspian Sea",
  "Davis Strait",
  "English Channel (La Manche)",
  "Greenland Sea (including Iceland Sea and North Greenland Sea)",
  "Gulf of St. Lawrence",
  "Inner Seas off the West Coast of Scotland",
  "Irish Sea and St. George's Channel",
  "Kattegat, The Sound, Storebælt, Lillebælt",
  "Labrador Sea",
  "Mediterranean Sea",
  "North Atlantic Ocean",
  "North Sea",
  "Norwegian Sea",
  "Sea of Azov",
  "Skagerrak",
  "White Sea",
  "oceanography",
  "DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce",
  "EUMETSAT/OSISAF > Satellite Application Facility on Ocean and Sea ice, European Organisation for the Exploitation of Meteorological Satellites",
  "NASA/JPL/PODAAC > Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA",
  "GHRSST > Group for High Resolution Sea Surface Temperature",
  "NOAA OneStop Project",
  "EARTH SCIENCE > ATMOSPHERE > AEROSOLS > AEROSOL OPTICAL DEPTH/THICKNESS",
  "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND SPEED",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT",
  "Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature > Sea Surface Subskin Temperature",
  "AVHRR-3 > Advanced Very High Resolution Radiometer-3",
  "NOAA-19 > National Oceanic & Atmospheric Administration-19",
  "NOAA-19 (ICES code: 33Y9, 2009-2016)",
  "CONTINENT > ASIA > WESTERN ASIA > BLACK SEA",
  "CONTINENT > ASIA > WESTERN ASIA > CASPIAN SEA",
  "CONTINENT > EUROPE > EASTERN EUROPE > BLACK SEA",
  "OCEAN > ARCTIC OCEAN",
  "OCEAN > ARCTIC OCEAN > BARENTS SEA",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > BALTIC SEA",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > BAY OF FUNDY",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > DAVIS STRAIT",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF ST LAWRENCE",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > IRISH SEA",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > MEDITERRANEAN SEA",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > NORTH SEA",
  "OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > NORWEGIAN SEA"
]
landingPage https://www.ncei.noaa.gov/contact
language 
                                            []
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2022-10-04T00:00:00.000+00:00
publisher 
                                            {
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
}
references 
                                            [
  "https://www.ncei.noaa.gov/archive/accession/0123222/data/0-data/user-guides/GHRSSTUserGuidev91.pdf",
  "https://www.ncei.noaa.gov/archive/accession/0123222/data/0-data/project-documents/GDS20r5.pdf",
  "http://www.osi-saf.org/lml/doc/osisaf_cdop2_ss1_pum_leo_sst.pdf",
  "http://www.osi-saf.org/lml/doc/osisaf_cdop2_ss1_sst_metop_old_validation_report",
  "http://osisaf.met.no/docs/osisaf_ss2_pum_ahl-sst_v2p1.pdf",
  "https://doi.org/10.25923/xg07-g709",
  "https://cmr.earthdata.nasa.gov/search/concepts/C2491735321-POCLOUD.html",
  "https://www.ncei.noaa.gov/archive/accession/0123222"
]
rights otherRestrictions
spatial 72.97,13.59,-76.02,78.24
temporal 2013-06-04T00:00:00+00:00/2013-11-20T00:00:00+00:00
title GHRSST Level 3C North Atlantic Regional Subskin Sea Surface Temperature from the Advanced Very High Resolution Radiometer (AVHRR) on NOAA-19 (GDS version 2)

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