GHRSST Level 3U Global Subskin Sea Surface Temperature from TMI onboard TRMM satellite
(TMI-REMSS-L3U-v7.1a)This dataset will be available through Earthdata Cloud only, starting September, 2022. Learn More
| DOI | 10.5067/GHTMI-3UR71 |
| Short Name | TMI-REMSS-L3U-v7.1a |
| Description | The Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI) is a well calibrated passive microwave radiometer, similar to the Special Sensor Microwave Imager (SSM/I), that contains lower frequency channels required for sea surface temperature (SST) retrievals. The TRMM is part of the NASA's mission to planet Earth, and is a joint venture between NASA and the Japan Aerospace Exploration Agency (JAXA) to measure precipitation, water vapor, sea surface temperature (SST) and surface wind in the global tropical regions and was launched in 27 November 1997 from the Tanegashima Space Center in Tanegashima, Japan. The TRMM satellite travels west to east in a 402 km altitude semi-equatorial processing orbit that results in day-to-day changes in the observation time of any given earth location between 38S and 38N. Remote Sensing Systems (REMSS) has produced a Version-7.1a TMI SST dataset for the Group for High Resolution Sea Surface Temperature (GHRSST) by applying an algorithm to the 10.7 GHz channel through a removal of surface roughness effects. In contrast to infrared SST observations, microwave retrievals can be measured through clouds, which are nearly transparent at 10.7 GHz. Microwave retrievals are also insensitive to water vapor and aerosols. The algorithm for retrieving SSTs from radiometer data is described in "AMSR Ocean Algorithm." |
| Version | 7.1a |
| Dataset Type | COMPLETE |
| Measurement | OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE |
| Processing Level | 3 |
| Coverage | Region: GLOBAL North Bounding Coordinate: 90 degrees South Bounding Coordinate: -90 degrees West Bounding Coordinate: -180 degrees East Bounding Coordinate: 180 degrees Time Span: 1997-Dec-08 to 2015-Jan-01 Granule Time Span: 1997-Dec-08 to 2015-Jan-01 |
| Resolution | Spatial Resolution: 0.25 degrees (Latitude) x 0.25 degrees (Longitude) |
| Projection | Projection Type: Gridded Projection Detail: Geolocation information included for each pixel Ellipsoid: WGS 84 |
| Platform/Sensor | 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. |
| Project | Group for High Resolution Sea Surface Temperature (GHRSST) |
| Data Provider | Publisher: Remote Sensing Systems Creator: Remote Sensing Systems (REMSS) Release Place: Santa Rosa, CA, USA Release Date: 2017-Nov-30 Resource: http://www.remss.com |
| Keyword(s) | GHRSST, REMSS, sea surface temperature, SST, L3U, GDS2 |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
| DIRECT ACCESS | |
| PO.DAAC DRIVE | https://podaac-tools.jpl.nasa.gov/drive/files/allData/ghrsst/data/GDS2/L3U/TMI/REMSS/v7.1a PO.DAAC Drive |
| OPENDAP DATA | https://podaac-opendap.jpl.nasa.gov/opendap/allData/ghrsst/data/GDS2/L3U/TMI/REMSS/v7.1a/ The OPeNDAP base directory location for the collection. |
| Web Service | https://podaac.jpl.nasa.gov/ws/search/granule/?datasetId=PODAAC-GHTMI-3UR71 (Search Granule) |
| THREDDS | https://thredds.jpl.nasa.gov/thredds/catalog_ghrsst_gds2.html?dataset=TMI-REMSS-L3U-v7.1a THREDDS Data Server access for this dataset |
| Format | NETCDF |
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| Citation | Remote Sensing Systems (REMSS). 2017. TMI 25km gridded SST data set. Ver. 7.1a. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/GHTMI-3UR71
For more information see Data Citations and Acknowledgments.
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