| id: | RAMSSA_09km-ABOM-L4-AUS-v01 |
| Conventions: | CF-1.6, ACDD-1.3, ISO 8601 |
| title: | RAMSSA v1.1 Analysed high resolution foundation sea surface temperature over Australian region |
| summary: | AMSR2-JAXA nobs=****** obsesd: avg=0.693 min=0.700 max= 0.700, AVHRRMTB_G-NAVO nobs=187421 obsesd: avg=0.549 min=0.550 max= 0.550, VIIRS_NPP_OSPO nobs= 25872 obsesd: avg=0.400 min=0.400 max= 0.400, VIIRS_N20_OSPO nobs= 25282 obsesd: avg=0.380 min=0.380 max= 0.380, IN_SITU-GTS_BUOYS nobs= 4228 obsesd: avg=0.400 min=0.400 max= 0.400, IN_SITU-GTS_BATHY nobs= 2 obsesd: avg=1.200 min=1.200 max= 1.200, IN_SITU-GTS_SHIP nobs= 440 obsesd: avg=1.200 min=1.200 max= 1.200, IN_SITU-GTS_TESAC nobs= 50 obsesd: avg=1.200 min=1.200 max= 1.200, Univariate Statistical Interpolation Package, SIANAL v13, background correlation length scale = 50 km, observation correlation length scale = 12 km, observation correlation time scale = 0.5 days |
| source: | AMSR2-JAXA,AVHRRMTB_G-NAVO,VIIRS_NPP_OSPO,VIIRS_N20_OSPO,IN_SITU-GTS_BUOYS,IN_SITU-GTS_BATHY,IN_SITU-GTS_SHIP,IN_SITU-GTS_TESAC,ACCESS-G-WSP,NCEP-ICE |
| references: | Beggs H., A. Zhong, G. Warren, O. Alves, G. Brassington and T. Pugh (2011) RAMSSA An Operational, High-Resolution, Multi-Sensor Sea Surface Temperature Analysis over the Australian Region, Australian Meteorological and Oceanographic Journal, 61, 1-22. http://www.bom.gov.au/jshess/papers.php?year=2011 |
| institution: | ABOM |
| comment: | This is a Bureau of Meteorology experimental research product originally developed for the BLUElink> Ocean Forecasting Australia Project. WARNING: some applications are unable to properly handle signed byte values. If byte values >127 are encountered, subtract 256 from this reported value. |
| license: | GHRSST protocol describes data use as free and open |
| naming_authority: | org.ghrsst |
| product_version: | 1.0 |
| program: | IMOS |
| uuid: | 173cfc34-763e-4b20-9796-fc0cdc55e535 |
| gds_version_id: | 2.0r5 |
| netcdf_version_id: | 4.3 |
| spatial_resolution: | 1/12 degree |
| platform: | GCOM-W,MetOpB,N20,NPP |
| sensor: | AMSR2,AVHRR_GAC,VIIRS |
| Metadata_Link: | https://podaac.jpl.nasa.gov/ws/metadata/dataset/?format=iso&shortName=RAMSSA_09km-ABOM-L4-AUS-v01 |
| keywords: | Oceans > Ocean Temperature > Sea Surface Temperature |
| platform_vocabulary: | GHRSST Data Specification (GDS)2.0, https://www.ghrsst.org/documents/q/category/gds-documents/operational/ |
| keywords_vocabulary: | NASA Global Change Master Directory (GCMD) Science Keywords |
| standard_name_vocabulary: | NetCDF Climate and Forecast (CF) Metadata Convention |
| geospatial_lat_units: | degrees_north |
| geospatial_lon_units: | degrees_east |
| geospatial_lat_resolution: | 0.0833000019 |
| geospatial_lon_resolution: | 0.0833000019 |
| history: | Modified format and attributes of 20231108-ABOM-L4fnd-AUS-v01-fv01.nc using file_convert_RAMSSA,version 1.0 to match the GDS2.0 rev 5 specification |
| acknowledgment: | Any use of these data requires the following acknowledgment: Experimental near real-time sea surface temperature analysis produced by the Australian Bureau of Meteorology and provided in GHRSST GDS2.0 format as a contribution to the Integrated Marine Observing System – IMOS is a national collaborative research infrastructure, supported by the Australian Government. |
| creator_name: | Australian Bureau of Meteorology |
| creator_email: | ghrsst@bom.gov.au |
| creator_url: | http://www.bom.gov.au |
| creator_type: | Institution |
| creator_institution: | Australian Bureau of Meteorology |
| project: | Integrated Marine Observing System |
| publisher_name: | Australian Bureau of Meteorology |
| publisher_email: | ghrsst@bom.gov.au |
| publisher_url: | http://www.bom.gov.au |
| publisher_institution: | Australian Bureau of Meteorology |
| publisher_type: | Institution |
| processing_level: | L4 |
| cdm_data_type: | Grid |
| date_created: | 20231109T120000Z |
| date_modified: | 20231109T120000Z |
| date_metadata_modified: | 20231109T120000Z |
| date_issued: | 20231109T120000Z |
| start_time: | 20231108T000000Z |
| time_coverage_start: | 20231108T000000Z |
| stop_time: | 20231109T000000Z |
| time_coverage_end: | 20231109T000000Z |
| time_coverage_duration: | P1D |
| time_coverage_resolution: | P1D |
| file_quality_level: | 3 |
| contributor_name: | Helen Beggs |
| contributor_role: | IMOS PI |
| geospatial_bounds_crs: | EPSG:4326 |
| easternmost_longitude: | -170.0000000000000 |
| westernmost_longitude: | 60.00000000000000 |
| northernmost_latitude: | 20.00000000000000 |
| southernmost_latitude: | -70.00000000000000 |
| geospatial_lon_max: | -170.000000 |
| geospatial_lon_min: | 60.0000000 |
| geospatial_lat_max: | 20.0000000 |
| geospatial_lat_min: | -70.0000000 |
| geospatial_bounds: | POLYGON(-70 60, 20 60, 20 -170, -70 -170, -70 60) |
| Unlimited_Dimension: | time |
| lon: | Array of 32 bit Reals [lon = 0..1560] _FillValue: 9.96920997e+36 axis: X comment: Longitudes for locating data coverage_content_type: coordinate long_name: longitude standard_name: longitude units: degrees_east valid_max: 180.000000 valid_min: -180.000000 |
||||||||
| time: | Array of 32 bit Integers [time = 0..0] _FillValue: -2147483647 long_name: reference time of SST field standard_name: time axis: T units: seconds since 1981-01-01 00:00:00 comment: Nominal time because observations are from different sources and are made at different times of the day coverage_content_type: coordinate calendar: Standard |
||||||||
| lat: | Array of 32 bit Reals [lat = 0..1080] _FillValue: 9.96920997e+36 long_name: latitude standard_name: latitude axis: Y comment: Latitudes for locating data valid_min: -90.0000000 valid_max: 90.0000000 units: degrees_north coverage_content_type: coordinate |
||||||||
| sea_ice_fraction: | Grid add_offset: 0.000000000000000 scale_factor: 0.01000000000000000 _FillValue: -128 valid_min: 0 valid_max: 100 units: 1 long_name: sea ice area fraction standard_name: sea_ice_area_fraction comment: Fractional sea ice cover from NCEP-ICE product (Grumbine, 1996) . source: SSMI-NCEP-Analysis-ICE-5min coverage_content_type: auxiliaryInformation coordinates: time lat lon grid_mapping: crs
| ||||||||
| analysed_sst: | Grid _FillValue: -32768 add_offset: 273.1500000000000 scale_factor: 0.01000000000000000 valid_min: -300 valid_max: 4500 units: kelvin long_name: analysed sea surface temperature standard_name: sea_surface_foundation_temperature comment: Optimally interpolated analysis of SST observations. source: AMSR2-JAXA,AVHRRMTB_G-NAVO,VIIRS_NPP_OSPO,VIIRS_N20_OSPO,IN_SITU-GTS_BUOYS,IN_SITU-GTS_BATHY,IN_SITU-GTS_SHIP,IN_SITU-GTS_TESAC,ACCESS-G-WSP,NCEP-ICE coverage_content_type: physicalMeasurement grid_mapping: crs coordinates: time lat lon
| ||||||||
| analysis_error: | Grid _FillValue: -32768 add_offset: 0.000000000000000 scale_factor: 0.01000000000000000 valid_min: 0 valid_max: 32765 units: kelvin long_name: estimated error standard deviation of analysed_sst comment: Calculated as analysis field error in OI analysis system and a function of the age and estimated standard deviation of all observations used to form analysed_sst value. See Beggs et al (2011) in http://www.bom.gov.au/jshess/papers.php?year=2011. coverage_content_type: auxiliaryInformation coordinates: time lat lon grid_mapping: crs
| ||||||||
| mask: | Grid _FillValue: -128 valid_min: 1 valid_max: 8 long_name: sea/land/lake/ice field composite mask comment: b0: 1 = grid cell is open sea water, b1: 1 = land is present in this grid cell, b2: 1 = lake surface is present in this grid cell, b3: 1 = sea ice is present in this grid cell, b4-b7: reserved for future grid mask data source: NAVOCEANO 1/120 deg land-sea mask. See https://www.ghrsst.org/products-and-services/tools/navo-ghrsst-pp-land-sea-mask/. flag_meanings: water land optional_lake_surface sea-ice grid_mapping: crs coordinates: time lat lon flag_masks: 1, 2, 4, 8
| ||||||||
| crs: | 32 bit Integer long_name: coordinate reference system grid_mapping_name: latitude_longitude semi_major_axis: 6379137.00 inverse_flattening: 298.2572235630000 epsg_code: EPSG:4326 |