erdMH1kd490mday eng UTF8 dataset service Roy Mendelssohn NOAA NMFS SWFSC Environmental Research Division +1 831-420-3666 110 McAllister Road Santa Cruz CA 95060 USA erd.data@noaa.gov pointOfContact 2026-03-11 ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) 3 column 8640 0.041666674383609215 row 4320 0.04166666589488307 temporal 233 2629241.379310345 area Diffuse Attenuation K490, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (Monthly Composite) 2022-06-19 creation coastwatch.pfeg.noaa.gov erdMH1kd490mday NASA/GSFC/OBPG data@oceancolor.gsfc.nasa.gov https://coastwatch.pfeg.noaa.gov/infog/MH1_kd490_las.html information web browser Background Information Background information from the source information originator 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. NASA/GSFC/OBPG data@oceancolor.gsfc.nasa.gov https://coastwatch.pfeg.noaa.gov/infog/MH1_kd490_las.html information web browser Background Information Background information from the source information pointOfContact algorithm attenuation biology center chemistry chlorophyll coefficient color data diffuse downwelling flight flux goddard group gsfc heat heat flux image imaging kd2 L3 level level-3 mapped moderate modis nasa obpg ocean oceans optics processing radiative resolution sea seawater smi space spectroradiometer standard water theme Earth Science > Oceans > Ocean Optics > Ocean Color Earth Science > Oceans > Ocean Chemistry > Chlorophyll theme GCMD Science Keywords Ocean Biology Processing Group (NASA/GSFC/OBPG) project time latitude longitude theme CF Standard Name Table v70 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. Ocean Biology Processing Group (NASA/GSFC/OBPG) largerWorkCitation project Unidata Common Data Model Grid largerWorkCitation project eng geoscientificInformation 1 -179.9792 179.9792 -89.97917 89.97916 seconds 2003-01-16T00:00:00Z 2022-05-16T00:00:00Z Diffuse Attenuation K490, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (Monthly Composite) 2022-06-19 creation NASA/GSFC/OBPG data@oceancolor.gsfc.nasa.gov https://coastwatch.pfeg.noaa.gov/infog/MH1_kd490_las.html information web browser Background Information Background information from the source information originator 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. ERDDAP griddap 1 -179.9792 179.9792 -89.97917 89.97916 seconds 2003-01-16T00:00:00Z 2022-05-16T00:00:00Z tight ERDDAPgriddapDatasetQueryAndAccess https://coastwatch.pfeg.noaa.gov/erddap/griddap/erdMH1kd490mday ERDDAP:griddap ERDDAP-griddap ERDDAP's griddap service (a flavor of OPeNDAP) for gridded data. Add different extensions (e.g., .html, .graph, .das, .dds) to the base URL for different purposes. download Diffuse Attenuation K490, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (Monthly Composite) 2022-06-19 creation NASA/GSFC/OBPG data@oceancolor.gsfc.nasa.gov https://coastwatch.pfeg.noaa.gov/infog/MH1_kd490_las.html information web browser Background Information Background information from the source information originator 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. OPeNDAP 1 -179.9792 179.9792 -89.97917 89.97916 seconds 2003-01-16T00:00:00Z 2022-05-16T00:00:00Z tight OPeNDAPDatasetQueryAndAccess https://coastwatch.pfeg.noaa.gov/erddap/griddap/erdMH1kd490mday OPeNDAP:OPeNDAP OPeNDAP An OPeNDAP service for gridded data. Add different extensions (e.g., .html, .das, .dds) to the base URL for different purposes. download Diffuse Attenuation K490, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (Monthly Composite) 2022-06-19 creation NASA/GSFC/OBPG data@oceancolor.gsfc.nasa.gov https://coastwatch.pfeg.noaa.gov/infog/MH1_kd490_las.html information web browser Background Information Background information from the source information originator 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. Open Geospatial Consortium Web Map Service (WMS) 1 -179.9792 179.9792 -89.97917 89.97916 seconds 2003-01-16T00:00:00Z 2022-05-16T00:00:00Z tight GetCapabilities https://coastwatch.pfeg.noaa.gov/erddap/wms/erdMH1kd490mday/request?service=WMS&version=1.3.0&request=GetCapabilities OGC:WMS OGC-WMS Open Geospatial Consortium Web Map Service (WMS) download physicalMeasurement k490 float Diffuse Attenuation Coefficient K490 Roy Mendelssohn NOAA NMFS SWFSC Environmental Research Division +1 831-420-3666 110 McAllister Road Santa Cruz CA 95060 USA erd.data@noaa.gov distributor OPeNDAP DAP/2.0 https://coastwatch.pfeg.noaa.gov/erddap/griddap/erdMH1kd490mday.html order Data Subset Form ERDDAP's version of the OPeNDAP .html web page for this dataset. Specify a subset of the dataset and download the data via OPeNDAP or in many different file types. download https://coastwatch.pfeg.noaa.gov/erddap/griddap/erdMH1kd490mday.graph order Make-A-Graph Form ERDDAP's Make-A-Graph .html web page for this dataset. Create an image with a map or graph of a subset of the data. mapDigital dataset 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 This record was created from dataset metadata by ERDDAP Version 2.29.0