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| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Acces- sible
| Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | M | files | public | Chlorophyll a, North Pacific, NOAA VIIRS, 750m resolution, 2015-present (8 Day Composite), Lon0360 |
| F I M | background | 
| 
| NOAA NMFS SWFSC ERD | erdVHNchla8day_Lon0360 |
| 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 | erd.data at noaa.gov |
| attribute | NC_GLOBAL | Conventions | String | CF-1.6, COARDS, ACDD-1.3 |
| attribute | NC_GLOBAL | creation_date | String | Thu Nov 21 03:13:29 2024 |
| attribute | NC_GLOBAL | creator_email | String | erd.data at noaa.gov |
| attribute | NC_GLOBAL | creator_name | String | NOAA NMFS SWFSC ERD |
| attribute | NC_GLOBAL | creator_type | String | institution |
| attribute | NC_GLOBAL | creator_url | String | https://www.pfeg.noaa.gov |
| 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 | 8-day composites in a geographic projection created from daily composites by erd.data@noaa.gov from daily merge files obtained from NOAA/NESDIS Center for Satellite Applications and Research at https://www.star.nesdis.noaa.gov/thredds/catalog/chloraNPPVIIRSSectorDaily. Data were processed via the processViirsChl script in the dalesLibViirsChl.py library by erd.data@noaa.gov at NOAA NMFS SWFSC ERD. |
| attribute | NC_GLOBAL | infoUrl | String | https://coastwatch.pfeg.noaa.gov/infog/VHN_chla_las.html |
| 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 | erd.data at noaa.gov |
| attribute | NC_GLOBAL | publisher_name | String | NOAA NMFS SWFSC ERD |
| attribute | NC_GLOBAL | publisher_type | String | institution |
| attribute | NC_GLOBAL | publisher_url | String | https://www.pfeg.noaa.gov |
| attribute | NC_GLOBAL | references | String | https://www.star.nesdis.noaa.gov/smcd/spb/nsun/snpp/VIIRS/VIIRS_SDR_Users_guide.pdf |
| 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: VHN2024325_2024325_chla.nc, VHN2024324_2024324_chla.nc, VHN2024323_2024323_chla.nc, VHN2024322_2024322_chla.nc, VHN2024321_2024321_chla.nc, VHN2024320_2024320_chla.nc, VHN2024319_2024319_chla.nc, VHN2024318_2024318_chla.nc |
| 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 | 2024-11-17T00:00:00Z |
| attribute | NC_GLOBAL | time_coverage_start | String | 2015-02-22T00:00:00Z |
| attribute | NC_GLOBAL | title | String | Chlorophyll a, North Pacific, NOAA VIIRS, 750m resolution, 2015-present (8 Day Composite), Lon0360 |
| attribute | NC_GLOBAL | Westernmost_Easting | double | 180.00375 |
| dimension | time | double | nValues=2887, evenlySpaced=false, averageSpacing=1 day 5h 34m 18s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 1.4245632E9, 1.7318016E9 |
| 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.