{"description":"All collections provided by OB_CLOUD","links":[{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json","title":"Root Catalog"},{"rel":"parent","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD","type":"application/json","title":"Provider Collections"},{"rel":"next","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/?cursor=eyJqc29uIjoiWzAuMCwzMjAwLjAsXCJNT0RJU1RfTDJfT0NcIixcIjIwMjIuMFwiLDMzODQyMzY5NzksOV0iLCJ1bW0iOiJbMC4wLDMyMDAuMCxcIk1PRElTVF9MMl9PQ1wiLFwiMjAyMi4wXCIsMzM4NDIzNjk3OSw5XSJ9","type":"application/geo+json"}],"collections":[{"type":"Collection","id":"MODISA_L2_OC_2022.0","title":"Aqua MODIS Level-2 Regional  Ocean Color (OC) Data, version 2022.0","description":"The Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. This data suite includes the Apparent Optical Properties (AOP) and provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are “apparent” because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\n Geophysical variables in this suite include:\n  - Kd_490 - Diffuse attenuation coefficient at 490 nm, KD2 algorithm (m⁻¹)\n  - Rrs - Remote sensing reflectance (sr⁻¹)\n  - angstrom - Aerosol Angstrom exponent, 443 to 865 nm\n  - chlor_a - Chlorophyll Concentration, OCI Algorithm (mg m⁻³)\n- l2_flags - Level-2 Processing Flags\n- aot_869 - Aerosol optical thickness at 869 nm\n- ipar - Instantaneous Photosynthetically Available Radiation (einstein m⁻² s⁻¹)\n- nflh - Normalized Fluorescence Line Height (W m⁻² um⁻¹ sr⁻¹)\n- par - Photosynthetically Available Radiation, R. Frouin (einstein m⁻² day⁻¹)\n- pic - Calcite Concentration, Balch and Gordon (mol m⁻³)\n- poc - Particulate Organic Carbon, D. Stramski, 2007 (443/555 version) (mg m⁻³)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2002-07-04T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/Aqua-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708980-OB_CLOUD.xml","title":"CMR XML metadata for C3380708980-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708980-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708980-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708980-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708980-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708980-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L2_OC_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L2_OC_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Ocean Optics","Ocean Color","Earth Science","Oceans","Reflectance","Aerosols","Atmosphere","Aerosol Optical Depth/Thickness","Angstrom Exponent","Chlorophyll Concentration","Chlorophyll","Attenuation/Transmission","Organic Carbon","Ocean Chemistry","Inorganic Carbon","Fluorescence","Photosynthetically Active Radiation"],"summaries":{"platform":["Aqua"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"PACE_OCI_L2_AOP_3.2","title":"PACE OCI Level-2 Regional  Apparent Optical Properties Data, version 3.2","description":"The Apparent Optical Properties (OC_AOP) data suite provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are \"apparent\" because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\nAVW (Apparent Visible Wavelength) quantifies the spectral \"center\" of ocean color by summarizing the shape of the water-leaving reflectance spectrum (Rrs) across the visible range. Reported in nanometers (nm), AVW is lower for bluer, clearer (oligotrophic) waters and higher for greener/browner, more optically complex or productive waters influenced by phytoplankton, colored dissolved organic matter (CDOM), or suspended sediments. Users apply AVW for water-type classification, algorithm selection/blending (e.g., guiding chlorophyll retrievals), regional change detection, and as context alongside chlor_a, Kd_490, IOPs, and PAR.\n\nFluorescence Line Height (FLH) quantifies the red chlorophyll-a fluorescence (~678-683 nm) emitted by phytoplankton, computed as the height of the measured water-leaving radiance above a spectrally interpolated baseline. FLH is widely used for HAB detection and tracking, identifying productive waters, and assessing phytoplankton physiology; values tend to be elevated in active blooms and can be reduced in complex waters.\n\nAerosol Optical Thickness (AOT) represents the column-integrated aerosol loading in the atmosphere, describing the attenuation of light due to scattering and absorption by aerosols. AOT is a key parameter in atmospheric correction and is also used to study aerosol transport, air quality, and aerosol-ocean interactions.\n\nRemote Sensing Reflectance (Rrs) provides the remote sensing reflectance at wavelength λ (nm) - the ratio of water-leaving radiance to downwelling irradiance just above the surface (units sr^-1). Variables are named by their band center (e.g., Rrs_412, Rrs_443). Rrs_λ is the foundational observable used to retrieve products such as chlor_a, Kd_490, IOPs, and to support algorithm development, validation, water-quality, and ecosystem applications. Users should review per-file quality flags (e.g., land, cloud, sun glint, high aerosol) and mission documentation - especially in optically complex coastal/inland waters.\n\nAs with all ocean-color retrievals, uncertainties increase in optically complex coastal/inland waters or under high aerosol/glint; users should refer to per-mission algorithm notes and quality flags before analysis.\n\nUsage notes:\n - Rrs and Rrs_unc are stored as scaled integers; use the scale_factor and add_offset attributes to obtain physical values.\n - Quality control should use l2_flags per the flag_meanings attribute to mask clouds, land, high glint, and other conditions.\n\nGeophysical variables in this suite include:\n - Rrs - Remote sensing reflectance (sr^-1)\n - aot_865 - Aerosol optical thickness at 865 nm (unitless)\n - angstrom - Aerosol Angstrom exponent, 443-865 nm (unitless)\n - avw - Apparent Visible Wavelength (nm)\n - nflh - Normalized Fluorescence Line Height (W m^-2 um^-1 sr^-1)\n- l2_flags — Level-2 processing flags (bitmask; see per-variable attributes for flag_masks and flag_meanings)\n- Rrs_unc - Uncertainty in remote sensing reflectance (sr^-1)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2024-03-05T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887023-OB_CLOUD.xml","title":"CMR XML metadata for C4124887023-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887023-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887023-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887023-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887023-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887023-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_AOP_3.2","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_AOP_3.2/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["OCEAN OPTICS","EARTH SCIENCE","OCEAN COLOR","OCEANS","REFLECTANCE","AEROSOLS","ATMOSPHERE","AEROSOL OPTICAL DEPTH/THICKNESS","SOLAR INDUCED FLUORESCENCE","BIOSPHERE","VEGETATION","FLUORESCENCE","ECOSYSTEMS","PLANKTON","AQUATIC ECOSYSTEMS","PHYTOPLANKTON","TERRESTRIAL HYDROSPHERE","WATER CHARACTERISTICS","WATER COLOR","WATER QUALITY/WATER CHEMISTRY","LIGHT TRANSMISSION","HYDROLOGICAL ADVISORIES","EARTH SCIENCE SERVICES","WATER QUALITY","ENVIRONMENTAL ADVISORIES","SURFACE WATER","VISIBLE WAVELENGTHS","SPECTRAL/ENGINEERING"],"summaries":{"platform":["PACE"],"instruments":["OCI"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"MODISA_L2_OC_NRT_2022.0","title":"Aqua MODIS Level-2 Regional  Ocean Color (OC) - Near Real-time (NRT) Data, version 2022.0","description":"The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. \n\nThe Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. This data suite includes the Apparent Optical Properties (AOP) and provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are “apparent” because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\n Geophysical variables in this suite include:\n  - Kd_490 - Diffuse attenuation coefficient at 490 nm, KD2 algorithm (m⁻¹)\n  - Rrs - Remote sensing reflectance (sr⁻¹)\n  - angstrom - Aerosol Angstrom exponent, 443 to 865 nm\n  - chlor_a - Chlorophyll Concentration, OCI Algorithm (mg m⁻³)\n- l2_flags - Level-2 Processing Flags\n- aot_869 - Aerosol optical thickness at 869 nm\n- ipar - Instantaneous Photosynthetically Available Radiation (einstein m⁻² s⁻¹)\n- nflh - Normalized Fluorescence Line Height (W m⁻² um⁻¹ sr⁻¹)\n- par - Photosynthetically Available Radiation, R. Frouin (einstein m⁻² day⁻¹)\n- pic - Calcite Concentration, Balch and Gordon (mol m⁻³)\n- poc - Particulate Organic Carbon, D. Stramski, 2007 (443/555 version) (mg m⁻³)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2002-07-04T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/Aqua-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708978-OB_CLOUD.xml","title":"CMR XML metadata for C3380708978-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708978-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708978-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708978-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708978-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380708978-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L2_OC_NRT_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L2_OC_NRT_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Earth Science","Ocean Color","Ocean Optics","Oceans","Reflectance","Atmosphere","Aerosols","Aerosol Optical Depth/Thickness","Angstrom Exponent","Chlorophyll Concentration","Chlorophyll","Attenuation/Transmission","Organic Carbon","Ocean Chemistry","Inorganic Carbon","Fluorescence","Photosynthetically Active Radiation"],"summaries":{"platform":["Aqua"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"MODISA_L3m_CHL_2022.0","title":"Aqua MODIS Level-3 Global Mapped Chlorophyll (CHL) Data, version 2022.0","description":"The Chlorophyll-a data suite provides global, gridded composites of surface chlorophyll-a concentration (a proxy for phytoplankton biomass). CHL supports time-series and climatologies, anomaly detection, ecosystem and fisheries applications, and teaching/training, and pairs well with AVW, PAR, Kd(490), SST, and winds for environmental context. Note: retrievals in optically complex coastal/inland waters may carry higher uncertainty—refer to the mission/algorithm documentation (e.g., OCx/OCI) for details.\n\n Geophysical variables in this suite include:\n  - chlor_a — Chlorophyll-a concentration (mg m⁻³)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2002-07-04T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-3%20Mapped/Aqua-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709133-OB_CLOUD.xml","title":"CMR XML metadata for C3380709133-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709133-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709133-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709133-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709133-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709133-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_CHL_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_CHL_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Chlorophyll Concentration","Earth Science","Oceans","Chlorophyll","Ocean Optics","EARTH SCIENCE","BIOSPHERE","VEGETATION","CHLOROPHYLL","OCEANS","OCEAN CHEMISTRY","PIGMENTS","CHLOROPHYLL CONCENTRATIONS","TERRESTRIAL HYDROSPHERE","WATER QUALITY/WATER CHEMISTRY","WATER CHARACTERISTICS","AQUATIC ECOSYSTEMS","ECOSYSTEMS","PLANKTON","PHYTOPLANKTON"],"summaries":{"platform":["Aqua"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"OLCIS3A_L2_EFR_OC_2022.0","title":"Sentinel-3A OLCI Level-2 Regional  Earth-observation Full Resolution (EFR) Ocean Color (OC) Data, version 2022.0","description":"The Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. This data suite includes the Apparent Optical Properties (AOP) and provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are \"apparent\" because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\nThis activity was informed by the Satellite Needs Working Group (SNWG), an interagency effort of the U.S. Government dedicated to identifying and addressing Earth observation needs across U.S. civilian federal agencies.\n\nGeophysical variables in this suite include:\n - Kd_490 - Diffuse attenuation coefficient at 490 nm, KD2 algorithm (m⁻¹)\n - Rrs - Remote sensing reflectance (sr⁻¹)\n - angstrom - Aerosol Angstrom exponent, 443 to 865 nm\n - chlor_a - Chlorophyll Concentration, OCI Algorithm (mg m⁻³)\n- l2_flags - Level-2 Processing Flags\n- aot_865 - Aerosol optical thickness at 865 nm","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2016-04-05T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/S3A-OLCI/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3406446219-OB_CLOUD.xml","title":"CMR XML metadata for C3406446219-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3406446219-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3406446219-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3406446219-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3406446219-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3406446219-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/OLCIS3A_L2_EFR_OC_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/OLCIS3A_L2_EFR_OC_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Oceans","Ocean Optics","Ocean Color","Earth Science","Reflectance","Atmosphere","Aerosols","Aerosol Optical Depth/Thickness","Angstrom Exponent","Chlorophyll","Chlorophyll Concentration","Attenuation/Transmission","Ocean Chemistry","Organic Carbon","Inorganic Carbon","Fluorescence","Photosynthetically Active Radiation"],"summaries":{"platform":["Sentinel-3A"],"instruments":["OLCI"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"PACE_OCI_L2_BGC_3.2","title":"PACE OCI Level-2 Regional  Ocean Biogeochemical Properties Data, version 3.2","description":"The Ocean Color Biogeochemical (OC_BGC) suite provides satellite-derived biogeochemical properties of the upper ocean, produced from calibrated, atmospherically corrected ocean-color inputs from PACE_OCI. These products characterize carbon pools and ecosystem status.\n\nParticulate Inorganic Carbon (PIC) includes product of particulate inorganic carbon (calcite, typically from coccolithophores) from ocean-color reflectance using the Balch & Gordon algorithm. PIC is used to detect and quantify coccolithophore blooms, assess carbonate cycling and optical backscatter, and provide biogeochemical context alongside chlor_a, Kd_490, PAR, and SST.\n\nParticulate Organic Carbon (POC) includes product of particulate organic carbon concentration from ocean-color reflectance. POC is widely used to quantify surface carbon stocks, support biogeochemical and export-flux studies, and provide ecological context alongside chlor_a, bbp, Kd_490, and SST.\n\nChlorophyll-a (CHL) provides global, gridded composites of surface chlorophyll-a concentration (a proxy for phytoplankton biomass). CHL supports time-series and climatologies, anomaly detection, ecosystem and fisheries applications, and teaching/training, and pairs well with AVW, PAR, Kd(490), SST, and winds for environmental context. Note that retrievals in optically complex coastal/inland waters may carry higher uncertainty—refer to the mission/algorithm documentation (e.g., OCx/OCI) for details.\n\nCARBON provides phytoplankton carbon concentration derived from NASA ocean-color observations. Typical uses include quantifying biomass and carbon stocks, assessing ecosystem productivity and change, driving biogeochemical models, and providing biological context alongside chlorophyll, PAR, SST, and other environmental variables.\n\nAs with all ocean-color retrievals, uncertainties increase in optically complex coastal/inland waters or under high aerosol/glint; users should refer to per-mission algorithm notes and quality flags before analysis.\n\n Geophysical variables in this suite include:\n  - chlor_a — Chlorophyll-a concentration (mg m⁻³)\n  - poc — Particulate Organic Carbon (mg m⁻³)\n- carbon_phyto — Phytoplankton carbon biomass (mg m⁻³)\n- carbon_phyto_unc — Phytoplankton carbon biomass standard uncertainty (mg m⁻³)\n- chlor_a_unc — Chlorophyll-a concentration uncertainty (mg m⁻³)\n- pic — Particulate Inorganic Carbon (Calcite Concentration, CI2 algorithm, C. Mitchell et al., 2017, mol m⁻³)\n- l2_flags — Level-2 processing flags (bitmask; see per-variable attributes for flag_masks and flag_meanings)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2024-03-05T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887072-OB_CLOUD.xml","title":"CMR XML metadata for C4124887072-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887072-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887072-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887072-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887072-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887072-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_BGC_3.2","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_BGC_3.2/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["OCEAN OPTICS","EARTH SCIENCE","CHLOROPHYLL CONCENTRATION","CHLOROPHYLL","OCEANS","VEGETATION","BIOSPHERE","OCEAN CHEMISTRY","PIGMENTS","TERRESTRIAL HYDROSPHERE","WATER CHARACTERISTICS","CHLOROPHYLL CONCENTRATIONS","WATER QUALITY/WATER CHEMISTRY","ORGANIC MATTER","ORGANIC CARBON","CARBON","PLANKTON","ECOSYSTEMS","PHYTOPLANKTON","AQUATIC ECOSYSTEMS","WATER QUALITY","ENVIRONMENTAL ADVISORIES","EARTH SCIENCE SERVICES","HYDROLOGICAL ADVISORIES","SURFACE WATER","Inorganic Carbon","Oceans","Ocean Chemistry","Earth Science"],"summaries":{"platform":["PACE"],"instruments":["OCI"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"VIIRSJ1_L2_OC_2022.0","title":"NOAA-20 VIIRS Level-2 Regional  Ocean Color (OC) Data, version 2022.0","description":"The Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. 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Variables are named by their band center (e.g., Rrs_412, Rrs_443). Rrs_λ is the foundational observable used to retrieve products such as chlor_a, Kd_490, IOPs, and to support algorithm development, validation, water-quality, and ecosystem applications. Users should review per-file quality flags (e.g., land, cloud, sun glint, high aerosol) and mission documentation—especially in optically complex coastal/inland waters.\n  \n Geophysical variables in this suite include:\n  - Rrs — Remote sensing reflectance (sr⁻¹)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2002-07-04T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-3%20Mapped/Aqua-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709369-OB_CLOUD.xml","title":"CMR XML metadata for C3380709369-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709369-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709369-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709369-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709369-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709369-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_RRS_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_RRS_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Reflectance","Oceans","Earth Science","Ocean Optics"],"summaries":{"platform":["Aqua"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"MODIST_L2_OC_NRT_2022.0","title":"Terra MODIS Level-2 Regional  Ocean Color (OC) - Near Real-time (NRT) Data, version 2022.0","description":"The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. \n\nThe Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. This data suite includes the Apparent Optical Properties (AOP) and provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are “apparent” because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\n Geophysical variables in this suite include:\n  - Kd_490 - Diffuse attenuation coefficient at 490 nm, KD2 algorithm (m⁻¹)\n  - Rrs - Remote sensing reflectance (sr⁻¹)\n  - angstrom - Aerosol Angstrom exponent, 443 to 865 nm\n  - chlor_a - Chlorophyll Concentration, OCI Algorithm (mg m⁻³)\n- l2_flags - Level-2 Processing Flags\n- aot_869 - Aerosol optical thickness at 869 nm\n- ipar - Instantaneous Photosynthetically Available Radiation (einstein m⁻² s⁻¹)\n- nflh - Normalized Fluorescence Line Height (W m⁻² um⁻¹ sr⁻¹)\n- par - Photosynthetically Available Radiation, R. Frouin (einstein m⁻² day⁻¹)\n- pic - Calcite Concentration, Balch and Gordon (mol m⁻³)\n- poc - Particulate Organic Carbon, D. Stramski, 2007 (443/555 version) (mg m⁻³)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2000-02-24T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/Terra-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236977-OB_CLOUD.xml","title":"CMR XML metadata for C3384236977-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236977-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236977-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236977-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236977-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236977-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODIST_L2_OC_NRT_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODIST_L2_OC_NRT_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Oceans","Ocean Color","Ocean Optics","Earth Science","Reflectance","Aerosol Optical Depth/Thickness","Atmosphere","Aerosols","Angstrom Exponent","Chlorophyll","Chlorophyll Concentration","Attenuation/Transmission","Ocean Chemistry","Organic Carbon","Inorganic Carbon","Fluorescence","Photosynthetically Active Radiation"],"summaries":{"platform":["Terra"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"OLCIS3B_L2_EFR_OC_2022.0","title":"Sentinel-3B OLCI Level-2 Regional  Earth-observation Full Resolution (EFR) Ocean Color (OC) Data, version 2022.0","description":"The Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. This data suite includes the Apparent Optical Properties (AOP) and provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are \"apparent\" because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\nThis activity was informed by the Satellite Needs Working Group (SNWG), an interagency effort of the U.S. Government dedicated to identifying and addressing Earth observation needs across U.S. civilian federal agencies.\n\nGeophysical variables in this suite include:\n - Kd_490 - Diffuse attenuation coefficient at 490 nm, KD2 algorithm (m⁻¹)\n - Rrs - Remote sensing reflectance (sr⁻¹)\n - angstrom - Aerosol Angstrom exponent, 443 to 865 nm\n - chlor_a - Chlorophyll Concentration, OCI Algorithm (mg m⁻³)\n- l2_flags - Level-2 Processing Flags\n- aot_865 - Aerosol optical thickness at 865 nm","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2018-04-25T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/S3B-OLCI/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3407754974-OB_CLOUD.xml","title":"CMR XML metadata for C3407754974-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3407754974-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3407754974-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3407754974-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3407754974-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3407754974-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/OLCIS3B_L2_EFR_OC_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/OLCIS3B_L2_EFR_OC_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Oceans","Ocean Optics","Earth Science","Ocean Color","Reflectance","Atmosphere","Aerosols","Aerosol Optical Depth/Thickness","Angstrom Exponent","Chlorophyll","Chlorophyll Concentration","Attenuation/Transmission","Ocean Chemistry","Organic Carbon","Inorganic Carbon","Fluorescence","Photosynthetically Active Radiation"],"summaries":{"platform":["Sentinel-3B"],"instruments":["OLCI"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"PACE_OCI_L2_BGC_NRT_3.2","title":"PACE OCI Level-2 Regional  Ocean Biogeochemical Properties - Near Real-time (NRT) Data, version 3.2","description":"The Ocean Biology DAAC produces near real-time (NRT) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Near real-time products provide a snapshot of the data during a short time period within a single orbit. \n\nThe Ocean Color Biogeochemical (OC_BGC) suite provides satellite-derived biogeochemical properties of the upper ocean, produced from calibrated, atmospherically corrected ocean-color inputs from PACE_OCI. These products characterize carbon pools and ecosystem status.\n\nParticulate Inorganic Carbon (PIC) includes product of particulate inorganic carbon (calcite, typically from coccolithophores) from ocean-color reflectance using the Balch & Gordon algorithm. PIC is used to detect and quantify coccolithophore blooms, assess carbonate cycling and optical backscatter, and provide biogeochemical context alongside chlor_a, Kd_490, PAR, and SST. \n\nParticulate Organic Carbon (POC) includes product of particulate organic carbon concentration from ocean-color reflectance. POC is widely used to quantify surface carbon stocks, support biogeochemical and export-flux studies, and provide ecological context alongside chlor_a, bbp, Kd_490, and SST.\n\nChlorophyll-a (CHL) provides global, gridded composites of surface chlorophyll-a concentration (a proxy for phytoplankton biomass). CHL supports time-series and climatologies, anomaly detection, ecosystem and fisheries applications, and teaching/training, and pairs well with AVW, PAR, Kd(490), SST, and winds for environmental context. Note that retrievals in optically complex coastal/inland waters may carry higher uncertainty—refer to the mission/algorithm documentation (e.g., OCx/OCI) for details.\n\nCARBON provides phytoplankton carbon concentration derived from NASA ocean-color observations. Typical uses include quantifying biomass and carbon stocks, assessing ecosystem productivity and change, driving biogeochemical models, and providing biological context alongside chlorophyll, PAR, SST, and other environmental variables. \n\nAs with all ocean-color retrievals, uncertainties increase in optically complex coastal/inland waters or under high aerosol/glint; users should refer to per-mission algorithm notes and quality flags before analysis.\n\n Geophysical variables in this suite include:\n  - chlor_a — Chlorophyll-a concentration (mg m⁻³)\n  - poc — Particulate Organic Carbon (mg m⁻³)\n- carbon_phyto — Phytoplankton carbon biomass (mg m⁻³)\n- carbon_phyto_unc — Phytoplankton carbon biomass standard uncertainty (mg m⁻³)\n- chlor_a_unc — Chlorophyll-a concentration uncertainty (mg m⁻³)\n- pic — Particulate Inorganic Carbon (Calcite Concentration, CI2 algorithm, C. Mitchell et al., 2017, mol m⁻³)\n- l2_flags — Level-2 processing flags (bitmask; see per-variable attributes for flag_masks and flag_meanings)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2024-03-05T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887054-OB_CLOUD.xml","title":"CMR XML metadata for C4124887054-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887054-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887054-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887054-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887054-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C4124887054-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_BGC_NRT_3.2","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_BGC_NRT_3.2/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["OCEANS","CHLOROPHYLL CONCENTRATION","CHLOROPHYLL","OCEAN OPTICS","EARTH SCIENCE","BIOSPHERE","VEGETATION","OCEAN CHEMISTRY","PIGMENTS","WATER CHARACTERISTICS","CHLOROPHYLL CONCENTRATIONS","TERRESTRIAL HYDROSPHERE","WATER QUALITY/WATER CHEMISTRY","ORGANIC MATTER","ORGANIC CARBON","CARBON","AQUATIC ECOSYSTEMS","PLANKTON","PHYTOPLANKTON","ECOSYSTEMS","EARTH SCIENCE SERVICES","HYDROLOGICAL ADVISORIES","WATER QUALITY","ENVIRONMENTAL ADVISORIES","SURFACE WATER","Ocean Chemistry","Earth Science","Inorganic Carbon","Oceans"],"summaries":{"platform":["PACE"],"instruments":["OCI"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"PACE_OCI_L2_SFREFL_3.1","title":"PACE OCI Level-2 Regional  Surface Reflectance Data, version 3.1","description":"Surface Reflectance (SFREFL)  provides the unitless, bottom-of-atmosphere reflectance of the Earth's surface at 122 wavelengths (346 - 895 nm, with 5 SWIR bands). Surface Reflectance is the foundational input for downstream land products (e.g., vegetation indices included in the LANDVI suite). Users should review the documentation for more information on atmospheric correction and quality flags. Users should also note that the L3M product is masked for clouds.\n\n   Geophysical variables in this suite include:\n   - rhos  –  Surface reflectance (unitless)\n- l2_flags — Level-2 Processing Flags (bitmask)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2024-03-05T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3620139902-OB_CLOUD.xml","title":"CMR XML metadata for C3620139902-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3620139902-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3620139902-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3620139902-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3620139902-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3620139902-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_SFREFL_3.1","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/PACE_OCI_L2_SFREFL_3.1/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["REFLECTANCE","LAND SURFACE","SURFACE RADIATIVE PROPERTIES","EARTH SCIENCE"],"summaries":{"platform":["PACE"],"instruments":["OCI"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"MODISA_L3m_KD_2022.0","title":"Aqua MODIS Level-3 Global Mapped Diffuse Attenuation Coefficient of Downwelling Irradiance (KD) Data, version 2022.0","description":"The KD data suite provides diffuse attenuation coefficient of downwelling irradiance at 490 nm, Kd_490, which quantifies how quickly blue-green light diminishes with depth—an indicator of water clarity and the depth to which sunlight penetrates. Kd_490 is generated from ocean-color reflectance using the KD2 algorithm. Lower values indicate clearer water (deeper light penetration); users commonly apply Kd_490 to estimate euphotic depth, track coastal water quality and turbidity, interpret bloom/light environments, and supply inputs to biogeochemical and ecosystem models. As with all ocean-color products, uncertainties can be larger in optically complex coastal or inland waters; refer to the file metadata and algorithm documentation for quality flags and usage notes.\n\n Geophysical variables in this suite include:\n  - Kd_490 — Diffuse attenuation coefficient of downwelling irradiance at 490 nm, KD2 algorithm (m⁻¹)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2002-07-04T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-3%20Mapped/Aqua-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709198-OB_CLOUD.xml","title":"CMR XML metadata for C3380709198-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709198-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709198-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709198-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709198-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709198-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_KD_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_KD_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Earth Science","Oceans","Attenuation/Transmission","Ocean Optics"],"summaries":{"platform":["Aqua"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"MODISA_L3m_PAR_2022.0","title":"Aqua MODIS Level-3 Global Mapped Photosynthetically Available Radiation (PAR) Data, version 2022.0","description":"The Photosynthetically Available Radiation (PAR) data suite provides satellite-based estimates of the downwelling solar radiation in the 400–700 nm range that is available for photosynthesis at the ocean surface. These products quantify the daily or instantaneous amount of usable light energy, expressed in moles of photons m⁻² (commonly noted as “Einstein m⁻²”), and are widely used to estimate marine primary production, interpret phytoplankton bloom dynamics, provide context for optical and biogeochemical measurements,and support ecosystem models and education on light–biology interactions.\n\nGeophysical variables in this suite include:\n - par — Daily photosynthetically available radiation (mol photons m⁻² d⁻¹)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2002-07-04T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-3%20Mapped/Aqua-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709277-OB_CLOUD.xml","title":"CMR XML metadata for C3380709277-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709277-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709277-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709277-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709277-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3380709277-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_PAR_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODISA_L3m_PAR_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Photosynthetically Active Radiation","Earth Science","Ocean Optics","Oceans"],"summaries":{"platform":["Aqua"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}},{"type":"Collection","id":"MODIST_L2_OC_2022.0","title":"Terra MODIS Level-2 Regional  Ocean Color (OC) Data, version 2022.0","description":"The Ocean Color (OC) data suite provides calibrated, atmospherically corrected ocean-optics measurements and derived biogeophysical products. This data suite includes the Apparent Optical Properties (AOP) and provides satellite-derived measures of the interaction between solar radiation and the upper ocean. AOPs are “apparent” because they depend not only on the inherent optical properties (IOPs) of seawater and its constituents but also on the ambient light field. These variables are critical for studying light penetration, primary productivity, and biogeochemical cycling.\n\n Geophysical variables in this suite include:\n  - Kd_490 - Diffuse attenuation coefficient at 490 nm, KD2 algorithm (m⁻¹)\n  - Rrs - Remote sensing reflectance (sr⁻¹)\n  - angstrom - Aerosol Angstrom exponent, 443 to 865 nm\n  - chlor_a - Chlorophyll Concentration, OCI Algorithm (mg m⁻³)\n- l2_flags - Level-2 Processing Flags\n- aot_869 - Aerosol optical thickness at 869 nm\n- ipar - Instantaneous Photosynthetically Available Radiation (einstein m⁻² s⁻¹)\n- nflh - Normalized Fluorescence Line Height (W m⁻² um⁻¹ sr⁻¹)\n- par - Photosynthetically Available Radiation, R. Frouin (einstein m⁻² day⁻¹)\n- pic - Calcite Concentration, Balch and Gordon (mol m⁻³)\n- poc - Particulate Organic Carbon, D. Stramski, 2007 (443/555 version) (mg m⁻³)","stac_version":"1.0.0","stac_extensions":["https://stac-extensions.github.io/storage/v2.0.0/schema.json"],"extent":{"spatial":{"bbox":[[-180,-90,180,90]]},"temporal":{"interval":[["2000-02-24T00:00:00.000Z",null]]}},"assets":{"nasa":{"href":"https://oceandata.sci.gsfc.nasa.gov/directdataaccess/Level-2/Terra-MODIS/","title":"Direct Download [1]","description":"NASA's Ocean Color Web - Data Distribution Site","roles":["data"]},"s3_ob_cumulus_prod_public_":{"href":"s3://ob-cumulus-prod-public/","roles":["data"],"title":"ob_cumulus_prod_public_","storage:refs":["aws"]},"s3_credentials":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentials","title":"S3 credentials API endpoint","roles":["metadata"]},"s3_credentials_documentation":{"href":"https://obdaac-tea.earthdatacloud.nasa.gov/s3credentialsREADME","title":"S3 credentials API endpoint documentation","roles":["metadata"]},"metadata":{"href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236979-OB_CLOUD.xml","title":"CMR XML metadata for C3384236979-OB_CLOUD","type":"application/xml","roles":["metadata"]}},"providers":[{"name":"OB_CLOUD","roles":["producer"]},{"name":"NASA EOSDIS","roles":["host"]}],"links":[{"rel":"license","href":"https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance","title":"EOSDIS Data Use Policy","type":"text/html"},{"rel":"about","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236979-OB_CLOUD.html","title":"HTML metadata for collection","type":"text/html"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236979-OB_CLOUD.native","title":"Native metadata for collection","type":"application/xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236979-OB_CLOUD.echo10","title":"ECHO10 metadata for collection","type":"application/echo10+xml"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236979-OB_CLOUD.json","title":"CMR JSON metadata for collection","type":"application/json"},{"rel":"via","href":"https://cmr.earthdata.nasa.gov/search/concepts/C3384236979-OB_CLOUD.umm_json","title":"CMR UMM_JSON metadata for collection","type":"application/vnd.nasa.cmr.umm+json"},{"rel":"self","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODIST_L2_OC_2022.0","type":"application/json"},{"rel":"root","href":"https://cmr.earthdata.nasa.gov/stac","type":"application/json"},{"rel":"items","href":"https://cmr.earthdata.nasa.gov/stac/OB_CLOUD/collections/MODIST_L2_OC_2022.0/items","type":"application/geo+json","title":"Collection Items"}],"license":"CC0-1.0","keywords":["Oceans","Ocean Color","Earth Science","Ocean Optics","Reflectance","Aerosol Optical Depth/Thickness","Atmosphere","Aerosols","Angstrom Exponent","Chlorophyll","Chlorophyll Concentration","Attenuation/Transmission","Ocean Chemistry","Organic Carbon","Inorganic Carbon","Fluorescence","Photosynthetically Active Radiation"],"summaries":{"platform":["Terra"],"instruments":["MODIS"]},"storage:schemes":{"aws":{"type":"aws-s3","platform":"https://{bucket}.s3.{region}.amazonaws.com","bucket":"ob-cumulus-prod-public","region":"us-west-2"}}}]}