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| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | _lastModified | String | 2025-05-03T20:30:10.000Z |
| attribute | NC_GLOBAL | acknowledgement | String | To cite these data in a paper, please include NOAA NESDIS Ocean Color Science Team and the NOAA CoastWatch program, the date that you downloaded the data, the title in the metadata, and the publisher (see the 'publisher_name' in the metadata). If possible, please include the specific URL(s) used to download the data. |
| 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 | 2025-05-03T20:30:10.000Z |
| attribute | NC_GLOBAL | Easternmost_Easting | double | 179.9584 |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 89.95834 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | -89.95834 |
| attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
| attribute | NC_GLOBAL | geospatial_lon_max | double | 179.9584 |
| attribute | NC_GLOBAL | geospatial_lon_min | double | -179.9583 |
| 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/data369/hgu/v224/bin/../config/l3mapgen_par_dineof_spm ifile=/data/data369/hgu/v224/bin/../temp/Config_dineof3_spm/V2025113_spm_L3.nc ofile=/data/data369/viirs/L3_dineof/113/B2025113_A1_WW00_spm.nc Sat May 3 20:30:11 2025\n: /data/data369/hgu/v224/bin/l3cnvtr -b -s Suomi-NPP,NOAA-20,Sentinel-3A /data/data369/viirs/L3_dineof/113/B2025113_A1_WW00_spm.nc /data/aftp/socd1/mecb/coastwatch/viirs/science/L3/global/spm/dineof3/2025/B2025113_A1_WW00_spm.nc |
| attribute | NC_GLOBAL | id | String | B2025113_A1_WW00_spm.nc |
| attribute | NC_GLOBAL | identifier_product_doi | String | https://doi.org/10.1016/j.jag.2022.102714
|
| attribute | NC_GLOBAL | identifier_product_doi_authority | String | https://dx.doi.org
|
| attribute | NC_GLOBAL | infoUrl | String | https://coastwatch.noaa.gov
|
| attribute | NC_GLOBAL | institution | String | NOAA NESDIS STAR |
| attribute | NC_GLOBAL | instrument | String | VIIRS,OLCI |
| attribute | NC_GLOBAL | keywords | String | 10.1029/2021jc017303, 2021jc017303, altitude, color, data, dineof, e2021jc017303, environmental, estimation, filled, gap, geophys, global, imagery, information, jiang, L4, matter, mikelsons, national, nesdis, noaa, ocean, oceans, particulate, res, satellite, service, shen, spm, star, suspended, suspended particulate matter, time, wang, wei |
| 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,CHLFAIL,NAVWARN,CLDSHDSTL,ALGICE,SEAICE,NAVFAIL,FILTER |
| attribute | NC_GLOBAL | license | String | CC0-1.0. 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, CoastWatch, NOAA, nor the US Government, nor any of their employees or contractors, make 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 | 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 | 89.95834 |
| attribute | NC_GLOBAL | platform | String | Suomi-NPP, NOAA-20, Sentinel-3A |
| attribute | NC_GLOBAL | processing_level | String | L3 Mapped |
| attribute | NC_GLOBAL | product_name | String | B2025113_A1_WW00_spm.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 | Suomi-NPP, NOAA-20, Sentinel-3A |
| attribute | NC_GLOBAL | Sensor | String | VIIRS,OLCI |
| attribute | NC_GLOBAL | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | Southernmost_Northing | double | -89.95834 |
| attribute | NC_GLOBAL | spatialResolution | String | 9.28 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 and NOAA-20 (VIIRS) and Sentinel-3A OLCI DINEOF gap filled L4 data. NOAA National Environmental Satellite, Data, and Information Service (NESDIS) STAR data. Sentinel-3A courtesy of Copernicus Program |
| attribute | NC_GLOBAL | temporal_range | String | daily |
| attribute | NC_GLOBAL | testOutOfDate | String | now-23days |
| attribute | NC_GLOBAL | time_coverage_end | String | 2025-04-23T12:00:00Z |
| attribute | NC_GLOBAL | time_coverage_start | String | 2018-02-09T12:00:00Z |
| attribute | NC_GLOBAL | title | String | Suspended Particulate Matter (Gap-filled DINEOF), NOAA S-NPP NOAA-20 VIIRS and Copernicus S-3A OLCI, Science Quality, Global 9km, 2018-recent, Daily |
| attribute | NC_GLOBAL | Westernmost_Easting | double | -179.9583 |
| dimension | time | double | nValues=2577, evenlySpaced=false, averageSpacing=1 day 0h 30m 11s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 1.5181776E9, 1.7454096E9 |
| 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 | 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 | coverage_content_type | String | coordinate |
| 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=2160, evenlySpaced=false, averageSpacing=-0.08333333950903196 | |
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | float | -89.95834, 89.95834 |
| attribute | latitude | axis | String | Y |
| attribute | latitude | coverage_content_type | String | coordinate |
| attribute | latitude | ioos_category | String | Location |
| attribute | latitude | long_name | String | Latitude |
| attribute | latitude | source_name | String | lat |
| 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=4320, evenlySpaced=false, averageSpacing=0.08333334105116925 | |
| attribute | longitude | _CoordinateAxisType | String | Lon |
| attribute | longitude | actual_range | float | -179.9583, 179.9584 |
| attribute | longitude | axis | String | X |
| attribute | longitude | coverage_content_type | String | coordinate |
| attribute | longitude | ioos_category | String | Location |
| attribute | longitude | long_name | String | Longitude |
| attribute | longitude | source_name | String | lon |
| 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 | spm | float | time, altitude, latitude, longitude | |
| attribute | spm | _FillValue | float | -32767.0 |
| attribute | spm | colorBarMaximum | double | 12000.0 |
| attribute | spm | colorBarMinimum | double | 0.0 |
| attribute | spm | display_max | String | 50.0 |
| attribute | spm | display_min | String | 0.01 |
| attribute | spm | display_scale | String | log |
| attribute | spm | ioos_category | String | Unknown |
| attribute | spm | long_name | String | Suspended Particulate Matter |
| attribute | spm | standard_name | String | suspended particulate matter |
| attribute | spm | units | String | mg l-1 |
| attribute | spm | valid_max | float | 10000.0 |
| attribute | spm | valid_min | float | 0.01 |