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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String Please acknowledge the use of these data with the following statement: These data were provided by GHRSST and the US National Oceanographic Data Center. This project was supported in part by a grant from the NOAA Climate Data Record (CDR) Program for satellites. The data were downloaded from NOAA CoastWatch-West Coast Regional Node and Southwest Fisheries Science Center's Environmental Research Division. To cite these data in a paper, please follow the instructions in the license and at this link:
attribute NC_GLOBAL actual_range double 1.1540448E9, 1.154736E9
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL comment String SST from AVHRR Pathfinder
attribute NC_GLOBAL contributor_name String Kenneth Casey
attribute NC_GLOBAL contributor_role String Source of original L3 daily Pathfinder data
attribute NC_GLOBAL Conventions String CF-1.6, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_email String at
attribute NC_GLOBAL creator_name String NOAA NMFS SWFSC ERD
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL date_created String 2017-03-17T22:37:27Z
attribute NC_GLOBAL date_modified String 2017-03-17T22:37:27Z
attribute NC_GLOBAL day_or_night String day and night
attribute NC_GLOBAL Easternmost_Easting double 179.9792
attribute NC_GLOBAL gds_version_id String 2.0
attribute NC_GLOBAL geospatial_lat_max double 89.97918
attribute NC_GLOBAL geospatial_lat_min double -89.97916
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 179.9792
attribute NC_GLOBAL geospatial_lon_min double -179.9792
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String 2014-02-11 The entire Pathfinder Version 5.2 dataset (daily daytime and nighttime files) was downloaded from to NOAA NMFS SWFSC ERD.\n2017-03-17 Data from daytime and nighttime Pathfinder Version 5.2 L3-Collated files for each day were averaged, pixel-by-pixel, to create a daily file that contains mean daily values.\n2017-03-17 Multi-day composites were created by averaging, pixel by pixel, data from the daily files.
attribute NC_GLOBAL id String (external link)
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String NOAA NCEI
attribute NC_GLOBAL keywords String 10m, advanced, aerosol, analysis, area, atmosphere, atmospheric, avhrr, bias, center, centers, climate, collated, composite, cryosphere, data, day, deviation, difference, distribution, dynamic, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Cryosphere > Sea Ice > Ice Extent, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Sea Ice > Ice Extent, environmental, error, estimate, extent, fisheries, flag, flags, fraction, global, high, ice, ice distribution, indicator, information, l2p, l2p_flags, l3-collated, l3c, latitude, longitude, marine, measurement, national, ncei, night, nmfs, noaa, nodc, ocean, oceanographic, oceans, pathfinder, quality, radiometer, record, reference, resolution, science, science quality, sea, sea_ice_area_fraction, sea_ice_fraction, sea_surface_skin_temperature, sea_surface_temperature, sensor, service, single, skin, southwest, speed, sses, sst, standard, statistics, surface, swfsc, temperature, time, version, very, vhrr, wind, wind_speed, winds
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String These data are available for use without restriction.  Please acknowledge the use of these data with the following statement: \"These data were provided by GHRSST and the US National Oceanographic Data Center. This project was supported in part by a grant from the NOAA Climate Data Record (CDR) Program for satellites.\" and cite the following publication:\nCasey, K.S., T.B. Brandon, P. Cornillon, and R. Evans (2010). \"The Past, Present and Future of the AVHRR Pathfinder SST Program\", in Oceanography from Space: Revisited, eds. V. Barale, J.F.R. Gower, and L. Alberotanza, Springer. DOI: 10.1007/978-90-481-8681-5_16.\nwhich is available at\n\nThe data may be used and redistributed for free but is not intended\nfor legal use, since it may contain inaccuracies. Neither the data\nContributor, ERD, NOAA, nor the United States Government, nor any\nof their employees or contractors, makes any warranty, express or\nimplied, including warranties of merchantability and fitness for a\nparticular purpose, or assumes any legal liability for the accuracy,\ncompleteness, or usefulness, of this information.
attribute NC_GLOBAL naming_authority String gov.noaa.pfeg.coastwatch
attribute NC_GLOBAL Northernmost_Northing double 89.97918
attribute NC_GLOBAL orbit_node String ascending and descending
attribute NC_GLOBAL processing_level String L3C
attribute NC_GLOBAL product_version String PFV5.2 (source data)
attribute NC_GLOBAL project String Group for High Resolution Sea Surface Temperature (source data)
attribute NC_GLOBAL projection String Equidistant Cylindrical
attribute NC_GLOBAL publisher_email String at
attribute NC_GLOBAL publisher_name String NOAA NMFS SWFSC ERD
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL references String and Casey, K.S., T.B. Brandon, P. Cornillon, and R. Evans: The Past, Present and Future of the AVHRR Pathfinder SST Program, in Oceanography from Space: Revisited, eds. V. Barale, J.F.R. Gower, and L. Alberotanza, Springer, 2010. DOI: 10.1007/978-90-481-8681-5_16. (external link)
attribute NC_GLOBAL sensor String AVHRR_GAC
attribute NC_GLOBAL source String Satellite observations from GAC AVHRR using version 5.2 of the Pathfinder algorithm
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -89.97916
attribute NC_GLOBAL spatial_resolution String 0.0417 degree
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v29
attribute NC_GLOBAL summary String This dataset contains sea surface temperature (SST) data produced as part of the Advanced Very High Resolution Radiometer (AVHRR) Pathfinder SST Project, created using Version 5.2 of the Pathfinder algorithm and the dataset. Multi-day composites and composites of day and night datasets were generated by the Environmental Research Division (NOAA/NMFS/SWFSC/ERD).
attribute NC_GLOBAL time_coverage_end String 2006-08-01T00:00:00Z
attribute NC_GLOBAL time_coverage_resolution String PD1
attribute NC_GLOBAL time_coverage_start String 1981-11-04T00:00:00Z
attribute NC_GLOBAL title String SST, Pathfinder Ver 5.2 (L3C), Day and Night, Global, 0.0417°, 1981-2006, Science Quality (8 Day Composite)
attribute NC_GLOBAL Westernmost_Easting double -179.9792
dimension time double nValues=8888, evenlySpaced=false, averageSpacing=1 day 0h 24m 9s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 3.7368E8, 1.1543904E9
attribute time axis String T
attribute time calendar String gregorian
attribute time coverage_content_type String coordinate
attribute time ioos_category String Time
attribute time long_name String Centered Time
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=4320, evenlySpaced=false, averageSpacing=-0.04166666821023385
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float -89.97916, 89.97918
attribute latitude axis String Y
attribute latitude comment String Latitude values are the centers of the grid cells
attribute latitude coverage_content_type String coordinate
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude reference_datum String geographical coordinates, WGS84 projection
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
attribute latitude valid_max float 90.0
attribute latitude valid_min float -90.0
dimension longitude float nValues=8640, evenlySpaced=false, averageSpacing=0.041666674383609215
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -179.9792, 179.9792
attribute longitude axis String X
attribute longitude comment String Longitude values are the centers of the grid cells
attribute longitude coverage_content_type String coordinate
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude reference_datum String geographical coordinates, WGS84 projection
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
attribute longitude valid_max float 180.0
attribute longitude valid_min float -180.0
variable sea_surface_temperature double time, latitude, longitude
attribute sea_surface_temperature _FillValue double -99.99000000000001
attribute sea_surface_temperature cell_methods String time: mean (interval: 8.0 day)
attribute sea_surface_temperature colorBarMaximum double 32.0
attribute sea_surface_temperature colorBarMinimum double 0.0
attribute sea_surface_temperature comment String Skin temperature of the ocean. This dataset contains only the highest quality data (level 5, best_quality) as defined by the GHRSST Data Specification version 2
attribute sea_surface_temperature coverage_content_type String physicalMeasurement
attribute sea_surface_temperature ioos_category String Temperature
attribute sea_surface_temperature long_name String Sea Surface Skin Temperature
attribute sea_surface_temperature standard_name String sea_surface_skin_temperature
attribute sea_surface_temperature units String degree_C
attribute sea_surface_temperature valid_max double 45.0
attribute sea_surface_temperature valid_min double -1.8
variable sea_ice_fraction double time, latitude, longitude
attribute sea_ice_fraction _FillValue double -1.28
attribute sea_ice_fraction cell_methods String time: mean (interval: 8.0 day)
attribute sea_ice_fraction colorBarMaximum double 1.0
attribute sea_ice_fraction colorBarMinimum double 0.0
attribute sea_ice_fraction comment String Sea ice concentration data are taken from the EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSISAF) Global Daily Sea Ice Concentration Reprocessing Data Set ( when these data are available. The data are reprojected and interpolated from their original polar stereographic projection at 10km spatial resolution to the 4km Pathfinder Version 5.2 grid. When the OSISAF data are not available for both hemispheres on a given day, the sea ice concentration data are taken from the sea_ice_fraction variable found in the L4 GHRSST DailyOI SST product from NOAA/NCDC, and are interpolated from the 25km DailyOI grid to the 4km Pathfinder Version 5.2 grid.
attribute sea_ice_fraction coverage_content_type String physicalMeasurement
attribute sea_ice_fraction ioos_category String Ice Distribution
attribute sea_ice_fraction long_name String Sea Ice Fraction
attribute sea_ice_fraction references String Reynolds, et al.(2006) Daily High-resolution Blended Analyses. Available at
attribute sea_ice_fraction source String NOAA/NESDIS/NCDC Daily optimum interpolation(OI) SST on 1/4-degree grid:
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
variable wind_speed byte time, latitude, longitude
attribute wind_speed _FillValue byte -128
attribute wind_speed cell_methods String time: mean (interval: 8.0 day)
attribute wind_speed colorBarMaximum double 15.0
attribute wind_speed colorBarMinimum double 0.0
attribute wind_speed comment String These wind speeds were created by NCEP-DOE Atmospheric Model Intercomparison Project (AMIP-II) reanalysis (R-2) and represent winds at 10 metres above the\nsea surface.
attribute wind_speed coverage_content_type String modelResult
attribute wind_speed height String 10 m
attribute wind_speed ioos_category String Wind
attribute wind_speed long_name String 10m Wind Speed
attribute wind_speed standard_name String wind_speed
attribute wind_speed units String m s-1
attribute wind_speed valid_max byte 127
attribute wind_speed valid_min byte 0
variable l2p_flags short time, latitude, longitude
attribute l2p_flags _FillValue short 32767
attribute l2p_flags colorBarMaximum double 16.0
attribute l2p_flags colorBarMinimum double 0.0
attribute l2p_flags comment String Bit zero (0) is always set to zero to indicate infrared data. Bit one (1) is set to zero for any pixel over water (ocean, lakes and rivers). Land pixels were determined by rasterizing the Global Self-consistent Hierarchical High-resolution Shoreline (GSHHS) Database from the NOAA National Geophysical Data Center. Any 4 km Pathfinder pixel whose area is 50% or more covered by land has bit one (1) set to 1. Bit two (2) is set to 1 when the sea_ice_fraction is 0.15 or greater. Bits three (3) and four (4) indicate lake and river pixels, respectively, and were determined by rasterizing the US World Wildlife Fund's Global Lakes and Wetlands Database. Any 4 km Pathfinder pixel whose area is 50% or more covered by lake has bit three (3) set to 1. Any 4 km Pathfinder pixel whose area is 50% or more covered by river has bit four (4) set to 1.
attribute l2p_flags coverage_content_type String referenceInformation
attribute l2p_flags flag_masks short 1, 2, 4, 8, 16, 32, 64, 128, 256
attribute l2p_flags flag_meanings String microwave land ice lake river reserved_for_future_use unused_currently unused_currently unused_currently
attribute l2p_flags ioos_category String Quality
attribute l2p_flags long_name String L2P Flags

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