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 data       graph  M    files  public VIIRSN, Suomi-NPP, Level-3 SMI, NASA, Global, 4km, Chlorophyll a, OCI Algorithm, 8-Day    ?   F   I   M   background (external link) RSS Subscribe NASA/GSFC OBPG erdVH3chla8day

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _lastModified String 2016-12-02T02:54:28.000Z
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL Conventions String CF-1.6, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_email String data@oceancolor.gsfc.nasa.gov
attribute NC_GLOBAL creator_name String NASA/GSFC/OBPG
attribute NC_GLOBAL creator_url String http://oceandata.sci.gsfc.nasa.gov (external link)
attribute NC_GLOBAL date_created String 2016-12-02T02:54:28.000Z
attribute NC_GLOBAL drawLandMask String under
attribute NC_GLOBAL Easternmost_Easting double 179.9792
attribute NC_GLOBAL geospatial_lat_max double 89.97916
attribute NC_GLOBAL geospatial_lat_min double -89.97918
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 SNPP data files are downloaded ASAP from http://oceandata.sci.gsfc.nasa.gov/VIIRS/Mapped/8Day/4km/CHL_chlor_a/ to NOAA NMFS SWFSC ERD (erd.data@noaa.gov).
NOAA NMFS SWFSC ERD (erd.data@noaa.gov) uses ERDDAP to add the time variable and slightly modify the metadata.
Direct read of HDF4 file through CDM library.
attribute NC_GLOBAL infoUrl String http://oceancolor.gsfc.nasa.gov/ (external link)
attribute NC_GLOBAL institution String NASA/GSFC OBPG
attribute NC_GLOBAL instrument String VIIRS
attribute NC_GLOBAL keywords String 4km, 8-day, chemistry, chlorophyll, color, composite, concentration, concentration_of_chlorophyll_in_sea_water, gsfc, image, joint, jpss, level, level-3, mapped, mean, nasa, noaa, npoess, npp, obpg, ocean, ocean color, oceans,
Oceans > Ocean Chemistry > Chlorophyll,
orbiting, polar, satellite, sea, seawater, smi, standard, suomi, viirs, viirsn, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL l2_flag_names String ATMFAIL,LAND,HILT,HISATZEN,STRAYLIGHT,CLDICE,COCCOLITH,LOWLW,CHLWARN,CHLFAIL,NAVWARN,MAXAERITER,ATMWARN,HISOLZEN,NAVFAIL,FILTER,HIGLINT
attribute NC_GLOBAL license String http://science.nasa.gov/earth-science/earth-science-data/data-information-policy/
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 map_projection String Equidistant Cylindrical
attribute NC_GLOBAL measure String Mean
attribute NC_GLOBAL Northernmost_Northing double 89.97916
attribute NC_GLOBAL platform String Suomi-NPP
attribute NC_GLOBAL processing_control_input_parameters_apply_pal String yes
attribute NC_GLOBAL processing_control_input_parameters_central_meridian String -999
attribute NC_GLOBAL processing_control_input_parameters_deflate String 4
attribute NC_GLOBAL processing_control_input_parameters_east String 180.000
attribute NC_GLOBAL processing_control_input_parameters_fudge String 1.0
attribute NC_GLOBAL processing_control_input_parameters_ifile String V20163132016320.L3b_8D_SNPP_CHL.nc
attribute NC_GLOBAL processing_control_input_parameters_interp String area
attribute NC_GLOBAL processing_control_input_parameters_north String 90.000
attribute NC_GLOBAL processing_control_input_parameters_ofile String V20163132016320.L3m_8D_SNPP_CHL_chlor_a_4km.nc
attribute NC_GLOBAL processing_control_input_parameters_oformat String 2
attribute NC_GLOBAL processing_control_input_parameters_oformat2 String png
attribute NC_GLOBAL processing_control_input_parameters_palette_dir String $OCDATAROOT/common/palette
attribute NC_GLOBAL processing_control_input_parameters_par String V20163132016320.L3m_8D_SNPP_CHL_chlor_a_4km.nc.param
attribute NC_GLOBAL processing_control_input_parameters_product String chlor_a
attribute NC_GLOBAL processing_control_input_parameters_product_rgb String rhos_671,rhos_551,rhos_486
attribute NC_GLOBAL processing_control_input_parameters_projection String smi
attribute NC_GLOBAL processing_control_input_parameters_pversion String 2014.0.2
attribute NC_GLOBAL processing_control_input_parameters_quiet String false
attribute NC_GLOBAL processing_control_input_parameters_resolution String 4km
attribute NC_GLOBAL processing_control_input_parameters_south String -90.000
attribute NC_GLOBAL processing_control_input_parameters_threshold String 0
attribute NC_GLOBAL processing_control_input_parameters_use_quality String yes
attribute NC_GLOBAL processing_control_input_parameters_use_rgb String no
attribute NC_GLOBAL processing_control_input_parameters_west String -180.000
attribute NC_GLOBAL processing_control_l2_flag_names String ATMFAIL,LAND,HILT,HISATZEN,STRAYLIGHT,CLDICE,COCCOLITH,LOWLW,CHLWARN,CHLFAIL,NAVWARN,MAXAERITER,ATMWARN,HISOLZEN,NAVFAIL,FILTER,HIGLINT
attribute NC_GLOBAL processing_control_software_name String l3mapgen
attribute NC_GLOBAL processing_control_software_version String 1.0.1-r13111
attribute NC_GLOBAL processing_control_source String V20163132016320.L3b_8D_SNPP_CHL.nc
attribute NC_GLOBAL processing_level String L3 Mapped
attribute NC_GLOBAL processing_version String 2014.0.2
attribute NC_GLOBAL project String Ocean Biology Processing Group (NASA/GSFC/OBPG)
attribute NC_GLOBAL publisher_email String data@oceancolor.gsfc.nasa.gov
attribute NC_GLOBAL publisher_name String NASA/GSFC/OBPG
attribute NC_GLOBAL publisher_url String http://oceandata.sci.gsfc.nasa.gov (external link)
attribute NC_GLOBAL reference String Hu, C., Lee Z., and Franz, B.A. (2012). Chlorophyll-a algorithms for oligotrophic oceans: A novel approach based on three-band reflectance difference, J. Geophys. Res., 117, C01011, doi:10.1029/2011JC007395.
attribute NC_GLOBAL sourceUrl String http://oceandata.sci.gsfc.nasa.gov/VIIRS/Mapped/8Day/4km/CHL_chlor_a/ (external link)
attribute NC_GLOBAL Southernmost_Northing double -89.97918
attribute NC_GLOBAL spatialResolution String 4.64 km
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v29
attribute NC_GLOBAL summary String Level-3 Standard Mapped Image (SMI), Global, 4km, Chlorophyll a, OCI Algorithm, 8-Day composite data from the Visible and Infrared Imager/Radiometer Suite (VIIRS), as processed by NASA GSFC Ocean Biology Processing Group (OBPG). VIIRS is a multi-disciplinary instrument that flies on the Suomi-NPP (National Polar-orbiting Partnership) satellite. Suomi-NPP is the initial spacecraft in the JPSS (Joint Polar Satellite Systems) series of spacecraft. JPSS is our Nation's next generation polar-orbiting operational environmental satellite system. JPSS is a collaborative program between NOAA and its acquisition agent NASA. VIIRS is the successor to MODIS for Earth science data product generation. (This version of the VH data was first released on 2016-04-01.)
attribute NC_GLOBAL temporal_range String 8-day
attribute NC_GLOBAL time_coverage_end String 2016-11-12T00:00:00Z
attribute NC_GLOBAL time_coverage_start String 2012-01-05T00:00:00Z
attribute NC_GLOBAL title String VIIRSN, Suomi-NPP, Level-3 SMI, NASA, Global, 4km, Chlorophyll a, OCI Algorithm, 8-Day
attribute NC_GLOBAL Westernmost_Easting double -179.9792
dimension time   double nValues=224, evenlySpaced=false, averageSpacing=7 days 22h 48m 58s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.3257216E9, 1.4789088E9
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 latitude   float nValues=4320, evenlySpaced=false, averageSpacing=-0.04166666821023385
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue float -999.0
attribute latitude actual_range float 89.97916, -89.97918
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=8640, evenlySpaced=false, averageSpacing=0.041666674383609215
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue float -999.0
attribute longitude actual_range float -179.9792, 179.9792
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 chla   float time, latitude, longitude
attribute chla _FillValue float -32767.0
attribute chla colorBarMaximum double 30.0
attribute chla colorBarMinimum double 0.03
attribute chla colorBarScale String Log
attribute chla ioos_category String Ocean Color
attribute chla long_name String Chlorophyll Concentration, OCI Algorithm
attribute chla reference String Hu, C., Lee Z., and Franz, B.A. (2012). Chlorophyll-a algorithms for oligotrophic oceans: A novel approach based on three-band reflectance difference, J. Geophys. Res., 117, C01011, doi:10.1029/2011JC007395.
attribute chla standard_name String concentration_of_chlorophyll_in_sea_water
attribute chla units String mg m^-3
attribute chla valid_max float 100.0
attribute chla valid_min float 0.001

This information is also available in other file formats (.csv, .htmlTable, .itx, .json, .mat, .nc, .tsv, .xhtml) via a RESTful web service.
 


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