BLUElink Global Australian Multi-Sensor SST Analysis (GAMSSA), daily, 1/4 degree resolution for 2009-11-01 (NCEI Accession 0060146)
The GAMSSA v1.0 system blends NAVOCEANO's GAC 9.9 km x 4.4 km resolution AVHRR L2P SST1m data (NOAA-17, NOAA-18 and METOP-A), European Space Agency's 0.17 AATSR skin SST Meteo Product (EnviSat), Remote Sensing System's 25 km resolution AMSR-E L2P sub-skin SSTs (Aqua) and in situ bulk SSTs from the GTS. In order to produce a foundation SST estimate, the AATSR skin SST data stream is converted to foundation SST using the Donlon et al. (2002) skin to foundation temperature conversion algorithms. These empirically-derived algorithms apply a small correction for the cool-skin effect depending on surface wind speed, and filter out SST values suspected to be affected by diurnal warming by excluding cases which have experienced recent surface wind speeds of below 6 ms-1 during the day and less than 2 ms-1 during the night. Wind data used are the 0.75 horizontal resolution, 3-hourly, instantaneous 10 m winds derived from the BoM 60 level, Global Area Prediction System (GASP) NWP forecasts. The remaining satellite and in situ sub-skin and bulk SST data streams are similarly filtered to remove suspected diurnal warming events using calculated times for sunrise and sunset at the measurement location, GASP forecast winds and the same wind speed thresholds as applied to the AATSR data.
Dataset Citation
- Cite as: Armstrong, Edward M.; NASA JPL PO.DAAC (2009). BLUElink Global Australian Multi-Sensor SST Analysis (GAMSSA), daily, 1/4 degree resolution for 2009-11-01 (NCEI Accession 0060146). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0060146. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0060146
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
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NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2009-11-01 to 2009-11-01 |
Spatial Bounding Box Coordinates |
West: -179.88
East: 179.88
South: -89.88
North: 89.88
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Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Entry ID: ABOM-L4LRfnd-GLOB-GAMSSA_28km Projection_Information: Projection Type: Gridded Ellipsoid_Type: Other Projection Details: Equally spaced grid (Cylindrical Equidistant) Data Resolution: Latitude resolution: 1/4 degree Longitude resolution: 1/4 degree The temporal resolution: daily This metadata record was generated from an original data set description (DSD) record in DIF format: http://www.ghrsst-pp.org Reference: http://www.bom.gov.au/bmrc/ocean/BLUElink/SST/GAMSSA BoM Operational Bulletin 77.pdf Sources: ABOM Australian Bureau of Meteorology Sensors: AVHRR Advanced Very High Resolution Radiometer AMSRE Advanced Microwave Scanning Radiometer AATSR Advanced Along-Track Scanning Radiometer |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2023-06-25T13:04:27Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov