GHRSST Level 4 MW_IR_OI Global Foundation Sea Surface Temperature analysis version 5.0 from REMSS
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DOI10.5067/GHMWI-4FR05
Short NameMW_IR_OI-REMSS-L4-GLOB-v5.0
DescriptionA Group for High Resolution Sea Surface Temperature (GHRSST) global Level 4 sea surface temperature analysis produced daily on a 0.09-degree grid at Remote Sensing Systems. This product uses optimal interpolation (OI) from both microwave (MW) sensors including the Global Precipitation Measurement (GPM) Microwave Imager (GMI), the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI), the NASA Advanced Microwave Scanning Radiometer-EOS (AMSRE), the Advanced Microwave Scanning Radiometer 2 (AMSR2) onboard the GCOM-W1 satellite, and WindSat operates on the Coriolis satellite, and infrared (IR) sensors such as the Moderate Resolution Imaging Spectroradiometer (MODIS) on the NASA Aqua and Terra platform and the Visible Infrared Imaging Radiometer Suite (VIIRS) on board the Suomi-NPP satellite. The through-cloud capabilities of microwave radiometers provide a valuable picture of global sea surface temperature (SST) while infrared radiometers (i.e., MODIS) have a higher spatial resolution. This analysis does not use any in situ SST data such as drifting buoy SST. Comparing with previous version 4.0 dataset, the version 5.0 has made the updates in several areas, including the diurnal warming model, the sensor-specific error statistics (SSES) for each microwave sensor, the sensor correlation model, and the quality mask.
Version5.0
Dataset TypeACTIVE
MeasurementOCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE
Processing Level4
CoverageRegion: GLOBAL
North Bounding Coordinate: 90 degrees
South Bounding Coordinate: -90 degrees
West Bounding Coordinate: -179 degrees
East Bounding Coordinate: 180 degrees
Time Span: 2002-Jun-01 to Present
Granule Time Span: 2002-Jun-01 to 2022-Jan-24
ResolutionSpatial Resolution: 0.09 degrees (Latitude) x 0.09 degrees (Longitude)
Temporal Resolution: Hourly - < Daily
ProjectionProjection Type: Cylindrical Lat-Lon
Projection Detail: Geolocation information included for each pixel
Ellipsoid: WGS 84
Platform/Sensor
Aqua
Platform
Name: Earth Observing System, Aqua (Aqua)
Orbit Period: 98.4 minutes
Inclination Angle: 98.1 degrees
/
MODIS
SENSOR
Name: Moderate-Resolution Imaging Spectroradiometer (MODIS)
Swath Width: 2330.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

Aqua
Platform
Name: Earth Observing System, Aqua (Aqua)
Orbit Period: 98.4 minutes
Inclination Angle: 98.1 degrees
/
AMSR-E
SENSOR
Name: Advanced Microwave Scanning Radiometer-EOS (AMSR-E)
Swath Width: 1450.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

TRMM
Platform
Name: Tropical Rainfall Measuring Mission (TRMM)
Orbit Period: 92.4 minutes
Inclination Angle: 35.0 degrees
/
TMI
SENSOR
Name: TRMM Microwave Imager (TMI)
Swath Width: 878.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

CORIOLIS
Platform
Name: Coriolis (CORIOLIS)
Orbit Period: 101.6 minutes
Inclination Angle: 98.7 degrees
/
WINDSAT
SENSOR
Name: WindSat (WINDSAT)
Swath Width: 1200.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

Terra
Platform
Name: Earth Observing System, Terra (AM-1) (Terra)
Orbit Period: 98.8 minutes
Inclination Angle: 98.2 degrees
/
MODIS
SENSOR
Name: Moderate-Resolution Imaging Spectroradiometer (MODIS)
Swath Width: 2330.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

GPM
Platform
Name: Global Precipitation Measurement (GPM)
Orbit Period: 95.0 minutes
Inclination Angle: 65.0 degrees
/
GMI
SENSOR
Name: Global Precipitation Measurement Microwave Imager (GMI)
Swath Width: 904.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

Suomi-NPP
Platform
Name: Suomi National Polar-orbiting Partnership (Suomi-NPP)
Orbit Period: 101.0 minutes
Inclination Angle: 97.1 degrees
/
VIIRS
SENSOR
Name: Visible-Infrared Imager-Radiometer Suite (VIIRS)
Swath Width: 3040.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

GCOM-W1
Platform
Name: Global Change Observation Mission 1st-Water (GCOM-W1)
Orbit Period: 100.0 minutes
Inclination Angle: 98.19 degrees
/
AMSR2
SENSOR
Name: Advanced Microwave Scanning Radiometer 2 (AMSR2)
Swath Width: 1450.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

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ProjectGroup for High Resolution Sea Surface Temperature (GHRSST)
Data ProviderPublisher: Remote Sensing Systems
Creator: Remote Sensing Systems
Release Place: Santa Rosa, CA, USA
Release Date: 2017-Dec-29
Resource: http://www.remss.com

Keyword(s)GHRSST, REMSS, remss, sea surface temperature, Level 4, sst, L4, surface temperature, foundation sea surface temperature
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Direct Access
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Format (Compression)netCDF-4
GENERAL DOCUMENTATION
DATA RECIPE
USER'S GUIDE
DATA CITATION POLICY
Citation Remote Sensing Systems. 2017. MWIR optimum interpolated SST data set. Ver. 5.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/GHMWI-4FR05

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Journal Reference
VersionDatasetVersion DateStatus
5.0GHRSST Level 4 MW_IR_OI Global Foundation Sea Surface Temperature analysis version 5.0 from REMSS2017-09-30ACTIVE2017-09-30T00:13:19.814Z