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ERDDAP > info > erdVHNchla1day_Lon0360

Title Sum-
Institution Dataset ID
 data       graph  M    files  public Chlorophyll a, North Pacific, NOAA VIIRS, 750m resolution, 2015-present (1 Day Composite),
   ?   F   I   M   background RSS Subscribe NOAA NMFS SWFSC ERD erdVHNchla1day_Lon0360

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=2,netcdf=4.8.1,hdf5=1.12.2
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL contact String at
attribute NC_GLOBAL Conventions String CF-1.6, COARDS, ACDD-1.3
attribute NC_GLOBAL creation_date String Fri Jul 12 03:02:11 2024
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 Easternmost_Easting double 249.99375
attribute NC_GLOBAL geospatial_lat_max double 89.77125
attribute NC_GLOBAL geospatial_lat_min double -0.10875
attribute NC_GLOBAL geospatial_lat_resolution double 0.0075
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 249.99375
attribute NC_GLOBAL geospatial_lon_min double 180.00375
attribute NC_GLOBAL geospatial_lon_resolution double 0.007500000000000001
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 history String 1-day composites in a geographic projection created by from daily merge files obtained from NOAA/NESDIS Center for Satellite Applications and Research at Data were processed via the processViirsChl script in the library by at NOAA NMFS SWFSC ERD.
attribute NC_GLOBAL infoUrl String
attribute NC_GLOBAL institution String NOAA NMFS SWFSC ERD
attribute NC_GLOBAL keywords String 1-day, 750m, altitude, center, chemistry, chla, chlorophyll, chlorophyll-a, coastwatch, color, composite, concentration, concentration_of_chlorophyll_in_sea_water, data, day, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, erd, fisheries, imager, imager/radiometer, imaging, infrared, latitude, longitude, marine, national, near, nmfs, noaa, north, npp, nrt, ocean, ocean color, oceans, orbiting, pacific, partnership, polar, polar-orbiting, radiometer, real, resolution, science, sea, seawater, service, southwest, suite, swfsc, time, viirs, visible, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL naming_authority String gov.noaa.pfeg.coastwatch
attribute NC_GLOBAL Northernmost_Northing double 89.77125
attribute NC_GLOBAL projection String Geographic
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 (external link)
attribute NC_GLOBAL satellite String Suomi-NPP
attribute NC_GLOBAL sensor String VIIRS
attribute NC_GLOBAL source_data String NOAA/NESDIS, VIIRS CoastWatch daily merged files:,,
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -0.10875
attribute NC_GLOBAL spatial_resolution String 0.0075 degree
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL summary String NOAA CoastWatch distributes L3 level chlorophyll a concentration data derived from measurements take by the VIIRS sensor (Visible Infrared Imaging Radiometer Suite) aboard the Suomi-NPP satellite. Chlorophyll values were calculated using NOAA-MSL12 NRT processing with LAND+CLDICE+HIGLINT+HISATZEN+HISOLZEN masking.
attribute NC_GLOBAL time_coverage_end String 2024-07-06T12:00:00Z
attribute NC_GLOBAL time_coverage_start String 2015-02-25T12:00:00Z
attribute NC_GLOBAL title String Chlorophyll a, North Pacific, NOAA VIIRS, 750m resolution, 2015-present (1 Day Composite), Lon0360
attribute NC_GLOBAL Westernmost_Easting double 180.00375
dimension time   double nValues=2859, evenlySpaced=false, averageSpacing=1 day 4h 42m 40s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.4248656E9, 1.7202672E9
attribute time axis String T
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 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   double nValues=11985, evenlySpaced=true, averageSpacing=-0.0075
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double -0.10875, 89.77125
attribute latitude axis String Y
attribute latitude coordsys String geographic
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude point_spacing String even
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
dimension longitude   double nValues=9333, evenlySpaced=true, averageSpacing=0.007500000000000001
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double 180.00375, 249.99375
attribute longitude axis String X
attribute longitude coordsys String geographic
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude point_spacing String even
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable chla   float time, altitude, latitude, longitude
attribute chla _FillValue float -999.0
attribute chla colorBarMaximum double 30.0
attribute chla colorBarMinimum double 0.03
attribute chla colorBarScale String Log
attribute chla coordsys String geographic
attribute chla ioos_category String Ocean Color
attribute chla long_name String Chlorophyll a
attribute chla missing_value float -999.0
attribute chla standard_name String mass_concentration_chlorophyll_concentration_in_sea_water
attribute chla units String mg m^-3
attribute chla valid_max float 100.1
attribute chla valid_min float 0.001

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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