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GHRSST Level 2P Global Skin Sea Surface Temperature from the Advanced Very High Resolution Radiometer (AVHRR) on the MetOp-A satellite produced by EUMETSAT Entry ID: EUR-L2P-AVHRR_METOP_A |
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Summary
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Abstract:
A global 1 km Group for High Resolution Sea Surface Temperature (GHRSST) Level 2P dataset based on multi-channel sea surface temperature (SST) retrievals generated in real-time from the Advanced Very High Resolution Radiometer (AVHRR) on the European Meteorological Operational-A (MetOp-A; launched 19 Oct 2006) ) satellite. The MetOp satellite program is a European undertaking providing weather data services for monitoring climate and improving weather forecasts. It was jointly established by the European Space Agency (ESA) and the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) with a contribution by the US National Oceanic and Atmospheric Administration (NOAA) of an AVHRR sensor identical to those flying on the family of Polar Orbiting Environmental Satellites (POES). 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 SST sometimes in combination with the 3.5 micron channel. The MetOp-A 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 highest ground resolution that can be obtained from the current AVHRR instruments is 1.1 km at nadir. The production of the MetOp-A L2P SST data is done by the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT), Ocean and Sea Ice Satellite Application Facility (OSI SAF) at Meteo-France/Centre de Meteorologie Spatiale (CMS) in France. In the processing chain, global AVHRR level 1b data are acquired at 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. The MetOp-A SST L2P data consist of global coverage at 1 km resolution separated into three minute observation granules, and are compliant with the Group for High Resolution SST (GHRSST) Data Specification (GDS) version 1.7.
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Related URL
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Link:
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THREDDS DIRECTORY
Description: Data may be directly downloaded from the NODC via the THREDDS (Thematic Real-time Environmental Distributed Data Services) server at the URL listed in this metadata record. For more information see the NODC GHRSST project web site: URL: http://ghrsst.nodc.noaa.gov/ Link: GET DATA > OPENDAP DIRECTORY (DODS) Description: These data are also served using OPeNDAP (formerly DODS) server. The base URL is: http://data.nodc.noaa.gov/opendap/ghrsst/. For more information see the NODC GHRSST project web site: URL:http://ghrsst.nodc.noaa.gov/. For a listing of OPeNDAP clients which may be used to access OPeNDAP-enabled data sets, please see the OPeNDAP web site at URL: http://opendap.org/ Link: GET DATA Description: Direct FTP access: Navigate to ftp://ftp.nodc.noaa.gov/pub/data.nodc/ghrsst using any FTP client to begin downloading data. For more information see the NODC GHRSST project web site: URL: http://ghrsst.nodc.noaa.gov/ Link: GET DATA Description: Simple Web access: Using any web browser, navigate to URL: http://data.nodc.noaa.gov/ghrsst and begin browsing through the file hierarchy. Clicking on any of the files will prompt you to download that file or will launch any application associated with netCDF files. For more information see the NODC GHRSST project web site: URL: http://ghrsst.nodc.noaa.gov/ Link: GET DATA Description: Data may be directly downloaded through the NODC Ocean Archive System at: URL: http://www.nodc.noaa.gov/Archive/Search/. NODC can be contacted directly for custom orders. (When requesting data from the NODC, a data set may be referred to by a 7-digit accession number assigned to individual data sets, see the NODC Ocean Archive System at http://www.nodc.noaa.gov/Archive/Search/.) For more information see the NODC GHRSST project web site: URL: http://ghrsst.nodc.noaa.gov/ |
Geographic Coverage
| N: 90.0 | S: -90.0 | E: 180.0 | W: -180.0 |
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Data Set Citation
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Dataset Originator/Creator:
EUMETSAT/OSI-SAF
Dataset Title: METOP_A AVHRR swath SST data set Dataset Series Name: METOP_A SST Dataset Release Date: 2008-04-09 Dataset Release Place: EUMETSAT Meteo-France/CMS, Lannion, France Dataset Publisher: EUMETSAT Ocean and Sea Ice Satellite Application Facility, Meteo-France/CMS, Lannion, France Version: 1 Other Citation Details: EUMETSAT Ocean and Sea Ice Satellite Application Facility (2008 EUMETSAT) Online Resource: none |
Temporal Coverage
| Start Date: 2009-09-30 |
Location Keywords
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GEOGRAPHIC REGION
> GLOBAL
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Data Resolution
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Temporal Resolution:
Twice daily (nominally)
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Science Keywords
| OCEANS >OCEAN TEMPERATURE >SEA SURFACE TEMPERATURE >SKIN SEA SURFACE TEMPERATURE [Definition] |
ISO Topic Category
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OCEANS
GEOSCIENTIFIC INFORMATION |
Platform
| METOP-A >Meteorological Operational Satellite - A [Information] |
Instrument
| AVHRR-3 >Advanced Very High Resolution Radiometer-3 [Information] |
Project
| GHRSST >Group for High Resolution Sea Surface Temperature [Information] |
Access Constraints
| None |
Use Constraints
| None |
Keywords
| SEA SURFACE TEMPERATURE |
| AVHRR > Advanced Very High Resolution Radiometer |
| AATSR |
| AMSR-E |
| TMI |
| SEVIRI |
| satellite data |
| 326S - SATELLITE |
| Group for High Resolution Sea Surface Temperature |
| MEDSPIRATION |
| US NATIONAL AERONAUTIC AND SPACE ADMINISTRATION; JET PROPULSION LABORATORY Physical Oceanography Distributed Active Archive Center |
| Earth Science |
| Ocean Temperature |
| Sea Surface Temperature |
| climatologyMeteorologyAtmosphere |
| oceans |
| environment |
| biota |
| GHRSST protocol describes data use as open |
| North Atlantic Ocean |
| Mediterranean Sea |
| Baltic Sea |
| Black Sea |
| Atlantic Ocean |
| Pacific Ocean |
Originating Center
| EUMETSAT |
Data Center
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National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce
[Information]
Data Center URL: http://www.nodc.noaa.gov/
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European Meteorological Satellite Organisation
[Information]
Data Center URL: http://www.eumetsat.de/ Dataset ID: METOP_A AVHRR swath L2P SST data set
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Personnel
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KENNETH
S.
CASEY Role: TECHNICAL CONTACT Phone: (301) 713-3272 x133 Fax: FAX: (301) 713-3300 Email: Kenneth.Casey at noaa.gov Contact Address: NOAA National Oceanographic Data Center SSMC3, 4th Floor, Room 4853, Route: E/OC1 1315 East-West Highway City: Silver Spring Province or State: Maryland Postal Code: 20910 Country: U.S.A. |
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JEAN-FRANCOIS
PIOLLE Role: TECHNICAL CONTACT Phone: +33-2-98224691 Fax: +33-2-98224533 Email: jfpiolle at ifremer.fr |
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GUENOLE
GUEVEL Role: INVESTIGATOR Phone: + 33 2 9605-6791 Fax: + 33 2 9605-6737 Email: guenole.guevel at meteo.fr |
Publications/References
Météo-France (2009), Ocean & Sea Ice SAF: Low Earth Orbiter Sea Surface Temperature Product, User Manual, SAF/OSI/CDOP/M-F/TEC/MA/127, Version 2.0, Météo-France, http://www.osi-saf.org/biblio/docs/ss1_pum_leo_sst_2_0.pdf
Creation and Review Dates
DIF Creation Date:
2011-09-18
Last DIF Revision Date:
2013-01-17
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