GHRSST Level 4 DMI_OI Global Foundation Sea Surface Temperature Analysis (GDS version 2)

GHRSST Level 4 DMI_OI Global Foundation Sea Surface Temperature Analysis (GDS version 2)
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DOI10.5067/GHGDM-4FD02
Short NameDMI_OI-DMI-L4-GLOB-v1.0
DescriptionA Group for High Resolution Sea Surface Temperature (GHRSST) Level 4 sea surface temperature analysis produced daily on an operational basis by the Danish Meteorological Institute (DMI) using an optimal interpolation (OI) approach on a global 0.05 degree grid. The analysis is based upon nighttime GHRSST L2P skin and subskin SST observations from several satellites. The sensors include the Advanced Very High Resolution Radiometer (AVHRR), the Spinning Enhanced Visible and Infrared Imager (SEVIRI), the Advanced Microwave Scanning Radiometer 2 (AMSR2), the Visible Infrared Imager Radiometer Suite (VIIRS), and the Moderate Resolution Imaging Spectroradiometer (MODIS) on Aqua. An ice field from the EUMETSAT OSI-SAF is used to mask out areas with ice. This dataset adheres to the version 2 GHRSST Data Processing Specification (GDS).
Version1.0
Dataset TypeOPEN
MeasurementOceans > Ocean Temperature > Sea Surface Temperature > Foundation Sea Surface Temperature
Processing Level4
CoverageRegion: Global
Northernmost Latitude: 90 degrees
Southernmost Latitude: -90 degrees
Westernmost Longitude: -180 degrees
Easternmost Longitude: 180 degrees
Time Span: 2013-Apr-30 to Present
ResolutionSpatial Resolution: 0.05 degrees (Latitude) x 0.05 degrees (Longitude)
Temporal Resolution: 1 Day
ProjectionType: Equidistant Cylindrical Lat-Lon
Detail: Regular 0.05 degree grid
Ellipsoid: WGS 84
Latency24 hours
Platform/Sensor
Aqua
Platform
Name: Earth Observing System, AQUA (Aqua)
Orbit Period: 98.4 minutes
Inclination Angle: 98.1 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
MODIS
SENSOR
Name: Moderate-Resolution Imaging Spectroradiometer (MODIS)
Swath Width: 2330 km
Description: The MODIS (Moderate Resolution Imaging Spectroradiometer) instrument provides high radiometric sensitivity (12 bit) in 36 spectral bands ranging in wavelength from 0.4 m to 14.4 m. It is used for observing processes occurring on the land, in the oceans, and in the lower atmosphere.

METOP-A
Platform
Name: Meteorological Operational Satellite - A (METOP-A)
Orbit Period: 101.3 minutes
Inclination Angle: 98.7 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
AVHRR-3
SENSOR
Name: Advanced Very High Resolution Radiometer-3 (AVHRR-3)
Swath Width: 2400 km
Description: The AVHRR is a radiation-detection imager that can be used for remotely determining cloud cover and the surface temperature. Note that the term surface can mean the surface of the Earth, the upper surfaces of clouds, or the surface of a body of water.

MSG2
Platform
Name: Meteosat Second Generation 2 (MSG2)
Orbit Period: -999 minutes
Inclination Angle: -999 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
SEVIRI
SENSOR
Name: Spinning Enhanced Visible and Infrared Imager (SEVIRI)
Swath Width: 11140 km
Description: The Spinning Enhanced Visible and InfraRed Imager (SEVIRI) has the capacity to observe the Earth in 12 spectral channels. Eight of these channels are in the thermal infrared, providing among other information, observations of the temperatures of clouds, land and sea surfaces at approximately 5 km resolution with a 15 minute duty cycle.

Terra
Platform
Name: Earth Observing System, TERRA (Terra)
Orbit Period: 98.8 minutes
Inclination Angle: 98.2 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
MODIS
SENSOR
Name: Moderate-Resolution Imaging Spectroradiometer (MODIS)
Swath Width: 2330 km
Description: The MODIS (Moderate Resolution Imaging Spectroradiometer) instrument provides high radiometric sensitivity (12 bit) in 36 spectral bands ranging in wavelength from 0.4 m to 14.4 m. It is used for observing processes occurring on the land, in the oceans, and in the lower atmosphere.

NOAA-20
Platform
Name: National Oceanic & Atmospheric Administration-20 (NOAA-20)
Orbit Period: 102 minutes
Inclination Angle: 99 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
AVHRR-3
SENSOR
Name: Advanced Very High Resolution Radiometer-3 (AVHRR-3)
Swath Width: 2400 km
Description: The AVHRR is a radiation-detection imager that can be used for remotely determining cloud cover and the surface temperature. Note that the term surface can mean the surface of the Earth, the upper surfaces of clouds, or the surface of a body of water.

SUOMI-NPP
Platform
Name: Suomi National Polar-orbiting Partnership (SUOMI-NPP)
Orbit Period: 101 minutes
Inclination Angle: 97.1 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
VIIRS
SENSOR
Name: Visible Infrared Imaging Radiometer Suite (VIIRS)
Swath Width: 3040 km
Description: VIIRS is a 22-band radiometer to collect infrared and visible light for earth system monitoring

GCOM-W1
Platform
Name: Global Change Observation Mission 1st - Water (SHIZUKU) (GCOM-W1)
Orbit Period: 100 minutes
Inclination Angle: 98.19 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
AMSR2
SENSOR
Name: Advanced Microwave Scanning Radiometer 2 (AMSR2)
Swath Width: 1450 km
Description: Advanced Microwave Scanning Radiometer 2 (AMSR2) onboard the GCOM- W1

ProjectGroup for High Resolution Sea Surface Temperature (GHRSST)
Data ProviderCreator: DMI
Release Place: Danish Meteorological Institute, Copenhagen, Denmark
Release Date: 2007-Sep-08
Resource: none
Keyword(s)GHRSST, sea surface temperature, Level 4, sst, L4, surface temperature
Persistent IDPODAAC-GHGDM-4FD02
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
User's Guide
GDS2 User Manuelhttps://podaac-tools.jpl.nasa.gov/drive/files/OceanTemperature/ghrsst/docs/GDS20r5.pdf
Documentation on the GDS version 2 format specification
Citation DMI. 2007. GHRSST Level 4 DMI_OI Global Foundation Sea Surface Temperature Analysis (GDS version 2). Ver. 1.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/GHGDM-4FD02.

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For more information see Data Citations and Acknowledgments.

Journal Reference Hoyer, J. L., P.Le Borgne, and S. Eastwood. (2013), A bias correction method for Arctic satellite sea surface temperature observations. Remote Sensing of Environment.