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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 | Diffuse Attenuation K490, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003- present (8 Day Composite) |
| F I M | background
| 
| 
| NASA/GSFC OBPG | erdMH1kd4908day |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | _lastModified | String | 2022-07-05T03:56:31.000Z |
| attribute | NC_GLOBAL | _NCProperties | String | version=2,netcdf=4.7.3,hdf5=1.12.0, |
| 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 at oceancolor.gsfc.nasa.gov |
| attribute | NC_GLOBAL | creator_name | String | NASA/GSFC/OBPG |
| attribute | NC_GLOBAL | creator_type | String | group |
| attribute | NC_GLOBAL | creator_url | String | https://oceandata.sci.gsfc.nasa.gov |
| attribute | NC_GLOBAL | date_created | String | 2022-07-05T03:56:31.000Z |
| attribute | NC_GLOBAL | Easternmost_Easting | double | 179.9792 |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 89.97916 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | -89.97917 |
| attribute | NC_GLOBAL | geospatial_lat_resolution | double | 0.04166666589488307 |
| 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_resolution | double | 0.041666674383609215 |
| attribute | NC_GLOBAL | geospatial_lon_units | String | degrees_east |
| attribute | NC_GLOBAL | history | String | Files downloaded daily from https://oceandata.sci.gsfc.nasa.gov/MODIS-Aqua/L3SMI to NOAA SWFSC ERD (erd.data@noaa.gov) ERDDAP adds the time dimension. Direct read of HDF4 file through CDM library |
| attribute | NC_GLOBAL | identifier_product_doi | String | 10.5067/AQUA/MODIS/L3M/KD490/2018 |
| attribute | NC_GLOBAL | identifier_product_doi_authority | String | https://dx.doi.org |
| attribute | NC_GLOBAL | infoUrl | String | https://coastwatch.pfeg.noaa.gov/infog/MH1_kd490_las.html |
| attribute | NC_GLOBAL | institution | String | NASA/GSFC OBPG |
| attribute | NC_GLOBAL | instrument | String | MODIS |
| attribute | NC_GLOBAL | keywords | String | algorithm, attenuation, biology, center, chemistry, chlorophyll, coefficient, color, data, diffuse, diffuse_attenuation_coefficient_of_downwelling_radiative_flux_in_sea_water, downwelling, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Optics > Ocean Color, flight, flux, goddard, group, gsfc, heat, heat flux, image, imaging, kd2, Kd_490, L3, level, level-3, mapped, moderate, modis, nasa, obpg, ocean, oceans, optics, processing, radiative, resolution, sea, seawater, smi, space, spectroradiometer, standard, time, 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 | https://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 | naming_authority | String | gov.noaa.pfeg.coastwatch |
| attribute | NC_GLOBAL | Northernmost_Northing | double | 89.97916 |
| attribute | NC_GLOBAL | platform | String | Aqua |
| attribute | NC_GLOBAL | processing_level | String | L3 Mapped |
| attribute | NC_GLOBAL | processing_version | String | 2018.1QL |
| attribute | NC_GLOBAL | product_name | String | A20221612022168.L3m_8D_KD490_Kd_490_4km.nc |
| attribute | NC_GLOBAL | project | String | Ocean Biology Processing Group (NASA/GSFC/OBPG) |
| 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 | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | Southernmost_Northing | double | -89.97917 |
| attribute | NC_GLOBAL | spatialResolution | String | 4.64 km |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v70 |
| attribute | NC_GLOBAL | summary | String | This dataset has monthly composites of Level 3, Standard Mapped Image, 4km, Diffuse Attenuation Coefficient at 490 nm Wavelength data from NASA's Aqua Spacecraft. Measurements are gathered by the Moderate Resolution Imaging Spectroradiometer (MODIS) carried aboard the spacecraft. This is Science Quality data. This is the August 2015 version of this dataset. |
| attribute | NC_GLOBAL | temporal_range | String | 8-day |
| attribute | NC_GLOBAL | testOutOfDate | String | now-90days |
| attribute | NC_GLOBAL | time_coverage_end | String | 2022-06-14T00:00:00Z |
| attribute | NC_GLOBAL | time_coverage_start | String | 2003-01-05T00:00:00Z |
| attribute | NC_GLOBAL | title | String | Diffuse Attenuation K490, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite) |
| attribute | NC_GLOBAL | Westernmost_Easting | double | -179.9792 |
| dimension | time | double | nValues=889, evenlySpaced=false, averageSpacing=7 days 23h 53m 31s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 1.0417248E9, 1.6551648E9 |
| 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=true, averageSpacing=-0.04166666589488307 | |
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | float | -89.97917, 89.97916 |
| 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=true, averageSpacing=0.041666674383609215 | |
| attribute | longitude | _CoordinateAxisType | String | Lon |
| 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 | k490 | float | time, latitude, longitude | |
| attribute | k490 | _FillValue | float | NaN |
| attribute | k490 | colorBarMaximum | double | 0.5 |
| attribute | k490 | colorBarMinimum | double | 0.0 |
| attribute | k490 | colorBarPalette | String | WhiteRedBlack |
| attribute | k490 | ioos_category | String | Optical Properties |
| attribute | k490 | long_name | String | Diffuse Attenuation Coefficient K490 |
| attribute | k490 | units | String | m-1 |
| attribute | k490 | valid_max | float | 6.0 |
| attribute | k490 | valid_min | float | 0.01 |
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.