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ERDDAP > info > CRW_sst_v1_0

Title Sum-
Institution Dataset ID
 data       graph  M    Sea Surface Temperature, Coral Reef Watch, CoralTemp - Daily, 1985-present    ?   F   I   M   background (external link) RSS Subscribe

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String NOAA Coral Reef Watch Program
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL comment String This product is designed to improve on and replace the use of AVHRR Pathfinder SST for use within the Coral Reef Watch Program.
attribute NC_GLOBAL contributor_name String NOAA Coral Reef Watch program
attribute NC_GLOBAL contributor_role String Collecting source data and deriving products; performing quality control of products; disseminating, storing, and submitting data to archive
attribute NC_GLOBAL Conventions String CF-1.6, ACDD-1.3, COARDS
attribute NC_GLOBAL creator_email String coralreefwatch at
attribute NC_GLOBAL creator_institution String NOAA/NESDIS/STAR Coral Reef Watch program
attribute NC_GLOBAL creator_name String NOAA Coral Reef Watch program
attribute NC_GLOBAL creator_type String group
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL data_source String NOAA Daily Global 5km Geo-Polar Blended Night-only Sea Surface Temperature Analysis from the date specified in the global attribute time_coverage_start. Note, if the text of this global attribute begins with "Due to ...", one of the following situations occurred: (1) the source data file for the CoralTemp of data file for the CoralTemp of the day was missing; (2) the sea_ice_fraction data array in the source data was missing, (3) some alternation was made on the source data to derive the CoralTemp data of the day.
attribute NC_GLOBAL date_created String 2018-01-01T00:00:00Z
attribute NC_GLOBAL date_issued String 2019-07-01T16:05:14Z
attribute NC_GLOBAL date_metadata_modified String 2018-09-01T00:00:00Z
attribute NC_GLOBAL date_modified String 2018-01-01T00:00:00Z
attribute NC_GLOBAL Easternmost_Easting double 359.975
attribute NC_GLOBAL geospatial_bounds String "POLYGON((-90.0 360.0, 90.0 360.0, 90.0 0.0, -90.0 0.0, -90.0 360.0))"
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_lat_max double 89.975
attribute NC_GLOBAL geospatial_lat_min double -89.975
attribute NC_GLOBAL geospatial_lat_resolution double 0.049999999999999996
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 359.975
attribute NC_GLOBAL geospatial_lon_min double 0.025
attribute NC_GLOBAL geospatial_lon_resolution double 0.05000000000000001
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String Tue Mar 9 06:00:37 2021: ncatted -O -a geospatial_bounds,global,o,c,"POLYGON((-90.0 360.0, 90.0 360.0, 90.0 0.0, -90.0 0.0, -90.0 360.0))"
Tue Mar 9 06:00:37 2021: ncatted -O -a geospatial_lon_max,global,o,f,359.975
Tue Mar 9 06:00:37 2021: ncatted -O -a geospatial_lon_min,global,o,f,0.025
Tue Mar 9 06:00:37 2021: ncatted -O -a valid_max,lon,o,f,359.975
Tue Mar 9 06:00:37 2021: ncatted -O -a valid_min,lon,o,f,0.025
Tue Mar 9 06:00:36 2021: ncap2 -O -s where(lon<0) lon=lon+360
Tue Mar 9 06:00:35 2021: ncks -O --msa_usr_rdr -d lon,0.0,180.0 -d lon,-180.0,0.0
This is the first version of CoralTemp
attribute NC_GLOBAL id String CoralTemp-v1.0
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String NOAA/NESDIS/STAR Coral Reef Watch program
attribute NC_GLOBAL instrument String ATSR-1, ATSR-2, AATSR, AVHRR, AVHRR-2, AVHRR-3, VIIRS, GOES Imager, MTSAT Imager, MTSAT 2 Imager, AHI, ABI, SEVIRI, buoy - moored buoy, buoy - drifting buoy, buoy - TAO buoy, surface seawater intake
attribute NC_GLOBAL instrument_vocabulary String NOAA NODC Ocean Archive System Instruments
attribute NC_GLOBAL keywords String 5km, analysed, analysed_sst, analysis, area, blended, coral, coraltemp, cryosphere, data, distribution, earth, Earth Science > Cryosphere > Sea Ice > Ice Extent, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Sea Ice > Ice Extent, Earth Science > Spectral/Engineering > Infrared Wavelengths > Thermal Infrared, engineering, environmental, extent, fraction, free, gap, gap-free, global, ice, ice distribution, information, infrared, national, near, nesdis, noaa, nrt, ocean, oceans, operational, ostia, over, program, real, reef, satellite, science, sea, sea_ice_area_fraction, sea_ice_fraction, sea_surface_temperature, seawater, service, spectral, spectral/engineering, sst, star, surface, temperature, thermal, time, watch, water, wavelengths
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String OSTIA Usage Statement (1985-2002): IMPORTANT usage statement. Unless otherwise agreed in writing, these data may be used for pure academic research only, with no commercial or other application and all usage must meet the Met Office Standard Terms and Conditions, which may be found here: The data may be used for a maximum period of 5 years. Reproduction of the data is permitted provided the following copyright statement is included: (C) Crown Copyright 2010, published by the Met Office. You must submit a completed reproduction license application form (here before using the data. This only needs to be completed once for each user. WARNING Some applications are unable to properly handle signed byte values. If values are encountered > 127, please subtract 256 from this reported value. GHRSST statement (2002-present): GHRSST protocol describes data use as free and open. Coral Reef Watch program statement: The data produced by Coral Reef Watch are available for use without restriction, but Coral Reef Watch relies on the ethics and integrity of the user to ensure that the source of the data and products is appropriately cited and credited. When using these data and products, credit and courtesy should be given to NOAA Coral Reef Watch. Please include the appropriate DOI associated with this dataset in the citation. For more information, visit the NOAA Coral Reef Watch website: Recommendations for citing and providing credit are provided at Users are referred to the footer section of Coral Reef Watch's website ( for disclaimers, policies, notices pertaining to the use of the data.
attribute NC_GLOBAL metadata_link String (external link)
attribute NC_GLOBAL naming_authority String gov.noaa.coralreefwatch
attribute NC_GLOBAL NCO String netCDF Operators version 4.7.5 (Homepage =, Code =
attribute NC_GLOBAL nco_openmp_thread_number int 1
attribute NC_GLOBAL Northernmost_Northing double 89.975
attribute NC_GLOBAL platform String Ships, drifting buoys, moored buoys, TOGA-TAO buoy arrays, GOES-8 satellite, GOES-9 satellite, GOES-10 satellite, GOES-11 satellite, GOES-12 satellite, GOES-13 satellite, GOES-14 satellite, GOES-15 satellite, GOES-16 satellite, MTSAT-1R satellite, MTSAT-2 satellite, Himawari-8 satellite, Meteosat-8 satellite, Meteosat-9 satellite, Meteoset-10 satellite, Meteosat-11 satellite, Suomi NPP, MetOp-A satellite, MetOp-B satellite, NOAA-9 satellite, NOAA-11 satellite, NOAA-12 satellite, NOAA-14 satellite, NOAA-15 satellite, NOAA-16 satellite, NOAA-17 satellite, NOAA-18 satellite, NOAA-19 satellite.
attribute NC_GLOBAL platform_vocabulary String NOAA NODC Ocean Archive System Platforms
attribute NC_GLOBAL processing_level String L4
attribute NC_GLOBAL product_version String 1.0
attribute NC_GLOBAL program String NOAA Coral Reef Watch program
attribute NC_GLOBAL project String NOAA Coral Reef Watch program
attribute NC_GLOBAL publisher_email String coralreefwatch at
attribute NC_GLOBAL publisher_institution String NOAA/NESDIS/STAR Coral Reef Watch program
attribute NC_GLOBAL publisher_name String NOAA Coral Reef Watch program
attribute NC_GLOBAL publisher_type String group
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL references String Donlon, et al., 2011. The Operational Sea Surface Temperature and Sea Ice analysis (OSTIA). Maturi, et al., 2017. A new high-resolution sea surface temperature analysis.
attribute NC_GLOBAL source String OSTIA Sea Surface Temperature Reanalysis (night-only), NOAA Geo-Polar Blended Night-only Sea Surface Temperature Reanalysis, NOAA Geo-Polar Blended Night-only Sea Surface Temperature (near real-time)
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -89.975
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v27
attribute NC_GLOBAL summary String CoralTemp 5km gap-free analysed blended sea surface temperature over the global ocean. CoralTemp is derived from three different but related 5km daily gap-free SST data sets and provides an internally consistent SST product that stretches from 1985 to present: Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA) Sea Surface Temperature Reanalysis (1985-2002), Geo-Polar Blended Night-only Sea Surface Temperature Reanalysis (2002-2016), Geo-Polar Blended Night-only Sea Surface Temperature Near Real-Time (2017 to present).
attribute NC_GLOBAL time_coverage_duration String P1D
attribute NC_GLOBAL time_coverage_end String 2021-03-08T12:00:00Z
attribute NC_GLOBAL time_coverage_resolution String P1D
attribute NC_GLOBAL time_coverage_start String 1985-01-01T12:00:00Z
attribute NC_GLOBAL title String Sea Surface Temperature, Coral Reef Watch, CoralTemp - Daily, 1985-present
attribute NC_GLOBAL Westernmost_Easting double 0.025
dimension time   double nValues=13216, evenlySpaced=true, averageSpacing=1 day
attribute time _CoordinateAxisType String Time
attribute time actual_range double 4.734288E8, 1.6152048E9
attribute time axis String T
attribute time coverage_content_type String coordinate
attribute time ioos_category String Time
attribute time long_name String reference time of the sst field
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
dimension latitude   float nValues=3600, evenlySpaced=true, averageSpacing=0.049999999999999996
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float -89.975, 89.975
attribute latitude axis String Y
attribute latitude comment String equirectangular projection and grid centers
attribute latitude coverage_content_type String coordinate
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
attribute latitude valid_max float 89.975
attribute latitude valid_min float -89.975
dimension longitude   float nValues=7200, evenlySpaced=true, averageSpacing=0.05000000000000001
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float 0.025, 359.975
attribute longitude axis String X
attribute longitude comment String equirectangular projection and grid centers
attribute longitude coverage_content_type String coordinate
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
attribute longitude valid_max float 359.975
attribute longitude valid_min float 0.025
variable analysed_sst   double time, latitude, longitude
attribute analysed_sst _FillValue double NaN
attribute analysed_sst colorBarMaximum double 32.0
attribute analysed_sst colorBarMinimum double 0.0
attribute analysed_sst coverage_content_type String physicalMeasurement
attribute analysed_sst grid_mapping String crs
attribute analysed_sst ioos_category String Temperature
attribute analysed_sst long_name String analysed sea surface temperature
attribute analysed_sst standard_name String sea_surface_temperature
attribute analysed_sst units String degree_C
attribute analysed_sst valid_max double 50.0
attribute analysed_sst valid_min double -2.0
variable sea_ice_fraction   double time, latitude, longitude
attribute sea_ice_fraction _FillValue double NaN
attribute sea_ice_fraction colorBarMaximum double 1.0
attribute sea_ice_fraction colorBarMinimum double 0.0
attribute sea_ice_fraction comment String 0 is 0% ice, 1 is 100% ice
attribute sea_ice_fraction coverage_content_type String physicalMeasurement
attribute sea_ice_fraction grid_mapping String crs
attribute sea_ice_fraction ioos_category String Ice Distribution
attribute sea_ice_fraction long_name String Sea Ice Fraction
attribute sea_ice_fraction standard_name String sea_ice_area_fraction
attribute sea_ice_fraction units String 1
attribute sea_ice_fraction valid_max double 1.0
attribute sea_ice_fraction valid_min double 0.0

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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