National Oceanic and Atmospheric Administration CoastWatch Program ERDDAP at NOAA CoastWatch
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _lastModified String 2025-04-14T19:25:10.000Z
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL Conventions String CF-1.6 ACDD-1.3, COARDS
attribute NC_GLOBAL creator_email String coastwatch.info at noaa.gov
attribute NC_GLOBAL creator_name String NOAA CoastWatch
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://coastwatch.noaa.gov
attribute NC_GLOBAL date_created String 2025-04-14T19:25:10.000Z
attribute NC_GLOBAL Easternmost_Easting double 179.9896
attribute NC_GLOBAL geospatial_lat_max double 89.76459
attribute NC_GLOBAL geospatial_lat_min double -89.76459
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 179.9896
attribute NC_GLOBAL geospatial_lon_min double -179.9896
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 0.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
attribute NC_GLOBAL geospatial_vertical_positive String up
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL grid_mapping_epsg_code String EPSG:4326
attribute NC_GLOBAL grid_mapping_inverse_flattening float 298.2572
attribute NC_GLOBAL grid_mapping_longitude_of_prime_meridian float 0.0
attribute NC_GLOBAL grid_mapping_name String latitude_longitude
attribute NC_GLOBAL grid_mapping_proj4_params String +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
attribute NC_GLOBAL grid_mapping_semi_major_axis float 6378137.0
attribute NC_GLOBAL history String /data/data369/hgu/v224/bin/l3mapgen par=/data/data652/coastwatch/oc/L3/scripts/bin/../config/l3mapgen_par_chlor_a_diff ifile=/data/data652/coastwatch/oc/L3/scripts/bin/../temp/Config_n20_chlor_a_diff/infile_2km_G.nc ofile=/data/data369/viirs/L3map/2025/04/05/V2025095_D1_N20_SCI_WW00_chlor_a_diff.nc   Mon Apr 14 19:25:22 2025\n: /data/data652/coastwatch/oc/L3/scripts/bin/l3cnvtr -s NOAA-20 /data/data369/viirs/L3map/2025/04/05/V2025095_D1_N20_SCI_WW00_chlor_a_diff.nc /data/aftp/socd1/mecb/coastwatch/viirs/science/L3/global/chlora/anom_n20/WW00/2025/V2025095_D1_N20_SCI_WW00_chloradiff.nc
attribute NC_GLOBAL id String L3//data/data650/L3bin_global/VIIRSJ1/noaa_msl12_bmw/61day/2025/20250401/2km/infile_2km_G.nc
attribute NC_GLOBAL identifier_product_doi String https://dx.doi.org (external link)
attribute NC_GLOBAL identifier_product_doi_authority String https://dx.doi.org (external link)
attribute NC_GLOBAL infoUrl String https://coastwatch.noaa.gov
attribute NC_GLOBAL institution String NOAA NESDIS STAR
attribute NC_GLOBAL instrument String VIIRS
attribute NC_GLOBAL keywords String altitude, anomaly, chlor_a_diff, chlorophyll, chlorophyll_a_anomaly, color, composite, cylindrical, daily, data, day, enviro                                                                               nmental, equidistant, image, imager, imager/radiometer, imaging, information, infrared, level, level-3, mapped, minus, national, nesdis, noaa, npp, ocean, ocean color, orbiting, partnership, polar, polar-orbiting, radiometer, satellite, service, star, suite, suite/suomi-npp, suomi, time, v                                                                               iirsn, viirs, viirs-n, visible
attribute NC_GLOBAL keywords_vocabulary String NASA Global Change Master Directory (GCMD) Science Keywords
attribute NC_GLOBAL l2_flag_names String ATMFAIL,LAND,HIGLINT,HILT,HISATZEN,CLOUD,HISOLZEN,LOWLW,CHLFAIL,NAVWARN,CLDSHDSTL,MAXAERITER,CHLWARN,ALGICE,SEAICE,NAVFAIL,FILTER
attribute NC_GLOBAL license String These data may be redistributed and used without restriction.
attribute NC_GLOBAL map_projection String geographic
attribute NC_GLOBAL measure String Mean
attribute NC_GLOBAL Metadata_Conventions String Unidata Dataset Discovery v1.0
attribute NC_GLOBAL naming_authority String gov.noaa.coastwatch
attribute NC_GLOBAL Northernmost_Northing double 89.76459
attribute NC_GLOBAL platform String NOAA-20
attribute NC_GLOBAL processing_level String L3 Mapped
attribute NC_GLOBAL product_name String V2025095_D1_N20_SCI_WW00_chloradiff.nc
attribute NC_GLOBAL project String Ocean Color Science Team (NOAA/NESDIS/STAR/OCST)
attribute NC_GLOBAL publisher_email String coastwatch.info@noaa.gov;ncei.info@noaa.gov
attribute NC_GLOBAL publisher_name String NOAA CoastWatch;National Centers for Environmental Information (NCEI)
attribute NC_GLOBAL publisher_type String group
attribute NC_GLOBAL publisher_url String https://coastwatch.noaa.gov;https://www.ncei.noaa.gov/
attribute NC_GLOBAL Satellite String NOAA-20
attribute NC_GLOBAL Sensor String VIIRS
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -89.76459
attribute NC_GLOBAL spatialResolution String 2.32 km
attribute NC_GLOBAL standard_name_vocabulary String NetCDF Climate and Forecast (CF) Metadata Convention
attribute NC_GLOBAL summary String Visible and Infrared Imager/Radiometer Suite/Suomi-NPP (VIIRSN) Level-3 Equidistant Cylindrical Mapped Image
attribute NC_GLOBAL temporal_range String day
attribute NC_GLOBAL testOutOfDate String now-7days
attribute NC_GLOBAL time_coverage_end String 2025-04-05T12:00:00Z
attribute NC_GLOBAL time_coverage_start String 2018-07-24T12:00:00Z
attribute NC_GLOBAL title String Chlorophyll-a Anomaly (difference), NOAA-20 VIIRS, Science Quality, 2km Global WW00, Daily
attribute NC_GLOBAL Westernmost_Easting double -179.9896
dimension time double nValues=848, evenlySpaced=false, averageSpacing=2 days 21h 20m 11s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.5324336E9, 1.7438544E9
attribute time axis String T
attribute time calendar String gregorian
attribute time ioos_category String Time
attribute time long_name String 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 altitude double nValues=1, onlyValue=0.0
attribute altitude _CoordinateAxisType String Height
attribute altitude _CoordinateZisPositive String up
attribute altitude actual_range double 0.0, 0.0
attribute altitude axis String Z
attribute altitude ioos_category String Location
attribute altitude long_name String Altitude
attribute altitude positive String up
attribute altitude standard_name String altitude
attribute altitude units String m
dimension latitude float nValues=8619, evenlySpaced=false, averageSpacing=-0.020831884427941517
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float -89.76459, 89.76459
attribute latitude axis String Y
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 90.0
attribute latitude valid_min float -90.0
dimension longitude float nValues=17282, evenlySpaced=false, averageSpacing=0.0208309241363347
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -179.9896, 179.9896
attribute longitude axis String X
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 180.0
attribute longitude valid_min float -180.0
variable chlor_a_diff float time, altitude, latitude, longitude
attribute chlor_a_diff _FillValue float -999.0
attribute chlor_a_diff C_format String %.4g
attribute chlor_a_diff cell_methods String time:mean
attribute chlor_a_diff colorBarMaximum double 10.0
attribute chlor_a_diff colorBarMinimum double -10.0
attribute chlor_a_diff coverage_content_type String physicalMeasurement
attribute chlor_a_diff ioos_category String Ocean Color
attribute chlor_a_diff long_name String Chlorophyll_a anomaly, daily minus 61 day composite
attribute chlor_a_diff standard_name String chlorophyll_a_anomaly
attribute chlor_a_diff units String mg m^-3
attribute chlor_a_diff valid_max float 20.0
attribute chlor_a_diff valid_min float -20.0

 

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