NASA Earthdata CMR2025 · collection
ERS SAR & Envisat ASAR Scandinavia mountains - L1 (IM/AP)Thematic collection: Bulk processed ERS-1/2 SAR IMP and Envisat ASAR IMP/APP Precision Level 1 products covering the Scandinavia mountains
NASA Earthdata CMR2025 · collection
ERS SAR & Envisat ASAR Iceland mountains - L1 (IM/AP)Thematic collection: Bulk processed ERS-1/2 SAR IMP and Envisat ASAR IMP/APP Precision Level 1 products covering the Iceland mountains.
NASA Earthdata CMR2025 · collection
ERS SAR & Envisat ASAR Alps mountains - L1 (IM/AP)Thematic collection: Bulk processed ERS-1/2 SAR IMP and Envisat ASAR IMP/APP Precision Level 1 products covering the European Alps.
NASA Earthdata CMR2025 · collection
ERS SAR & Envisat ASAR Pyrenees mountains - L1 (IM/AP)Thematic collection: Bulk processed ERS-1/2 SAR IMP and Envisat ASAR IMP/APP Precision Level 1 products covering the Pyrenees mountains
NASA Earthdata CMR2025 · collection
ERS SAR & Envisat ASAR Italy volcanoes - L1 (IM)Thematic collection: ESAR OTF bulk processed ERS-1/2 SAR and Envisat ASAR Image Mode Single Look Complex (IMS) Level 1 products covering Italian volcanoes.
NASA Earthdata CMR2025 · collection
ERS SAR & Envisat ASAR Austria coverage - L1 (IM)Thematic collection: Bulk processed ERS-1/2 SAR and Envisat ASAR Image Mode Single Look Complex (IMS) and Precision (IMP) Level 1 products covering Austria generated by EODC.
NASA Earthdata CMR2025 · collection
ERS SAR and Envisat ASAR Alaska mountains - L1 (IM/AP)Thematic collection: Bulk processed ERS-1/2 SAR IMP and Envisat ASAR IMP/APP Precision Level 1 products covering Alaska Mountains.
NASA Earthdata CMR2025 · collection
ESA Permafrost Climate Change Initiative (Permafrost_cci): Permafrost active layer thickness for the Northern Hemisphere, v5.0This dataset contains permafrost active layer thickness data produced as part of the European Space Agency's (ESA) Climate Change Initiative (CCI) Permafrost project. It forms part of the second version of their Climate Research Data Package (CRDP v4). It is derived from a thermal model driven and constrained by satellite data. Grid products of CDRP v4 are released in annual files, covering the st
NASA Earthdata CMR2025 · collection
ESA Permafrost Climate Change Initiative (Permafrost_cci): Permafrost Ground Temperature for the Northern Hemisphere, v5.0This dataset contains permafrost ground temperature data produced as part of the European Space Agency's (ESA) Climate Change Initiative (CCI) Permafrost project. It forms part of the second version of their Climate Research Data Package (CRDP v4). It is derived from a thermal model driven and constrained by satellite data. Grid products of CRDP v4 are released in annual files, covering the start
NASA Earthdata CMR2025 · collection
ESA Permafrost Climate Change Initiative (Permafrost_cci): Permafrost extent for the Northern Hemisphere, v5.0This dataset contains permafrost extent data produced as part of the European Space Agency's (ESA) Climate Change Initiative (CCI) Permafrost project. It forms part of the second version of their Climate Research Data Package (CRDP v4). It is derived from a thermal model driven and constrained by satellite data. Grid products of CDRP v4 are released in annual files, covering the start to the end o
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Mapped Particulate Organic Carbon (POC) Data, version 2022.0The Particulate Organic Carbon (POC) data suite 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. Geophysical variables in this suite include: - poc - Particulate Organic Carbon (mg C m
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-2 Regional Full Resolution, Full Swath (FRS) Inherent Optical Properties (IOP) Data, version 2022.0The Inherent Optical Properties (IOP) suite provides per-pixel inherent optical properties - quantities that describe how seawater and its constituents absorb and scatter light, independent of illumination or viewing geometry. IOPs are retrieved from spectral Remote Sensing Reflectance (Rrs) using the default configuration of the Generalized Inherent Optical Properties (GIOP) model framework. Thes
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Regional Mapped Inland Waters (ILW) Data, version 5.0The ILW suite provides inland-water extractions for lakes and reservoirs across the contiguous U.S. (CONUS) and Alaska. ILW delivers Rayleigh-corrected surface reflectance (ρs, unitless) and the Cyanobacteria Index (CI_cyano, unitless). The data target for MERIS and OLCI are 15,450 CONUS waterbodies (≥1 full-resolution 300 m OLCI pixel), >2,300 larger resolvable lakes (≥3 pixels), and 5,874 resolv
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Mapped Photosynthetically Available Radiation (PAR) Data, version 2022.0The 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 mar
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Binned Photosynthetically Available Radiation (PAR) Data, version 2022.0The 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 mar
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-2 Regional Reduced Resolution (RR) Ocean Color (OC) Data, version 2022.0The 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)
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Binned Particulate Organic Carbon (POC) Data, version 2022.0The Particulate Organic Carbon (POC) data suite 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. Geophysical variables in this suite include: - poc - Particulate Organic Carbon (mg C m
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-4 Global Binned Phytoplankton Carbon Data, version 2022.0The carbon_phyto product 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. Refer to the file metadata and product documentati
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Binned Diffuse Attenuation Coefficient of Downwelling Irradiance (KD) Data, version 2022.0The 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 a
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-4 Global Mapped Apparent Visible Wavelength (AVW) Data, version 2022.0AVW (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 matte
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Regional Mapped CyAN Project, True Color (TC) Data, version 6.0CYANTC is the true-color companion to the CyAN Cyanobacteria Index (CI) products. CYANTC is designed for visual context and QA/QC—helping users spot clouds, ice/snow, haze, sunglint, sediment plumes, and other scene features—so they can better interpret coincident CI_cyano maps. Typical use: water-quality managers and researchers overlay CYANTC with CI_cyano to verify scenes, communicate condition
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Binned Remote-Sensing Reflectance (RRS) Data, version 2022.0The Remote Sensing Reflectance (RRS) suite 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
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-4 Global Mapped Phytoplankton Carbon Data, version 2022.0The carbon_phyto product 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. Refer to the file metadata and product documentati
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-3 Global Mapped Inherent Optical Properties (IOP) Data, version 2022.0The Inherent Optical Properties (IOP) suite provides per-pixel inherent optical properties - quantities that describe how seawater and its constituents absorb and scatter light, independent of illumination or viewing geometry. IOPs are retrieved from spectral Remote Sensing Reflectance (Rrs) using the default configuration of the Generalized Inherent Optical Properties (GIOP) model framework. Thes
NASA Earthdata CMR2025 · Array · NetCDF
ENVISAT MERIS Level-4 Global Mapped Garver-Siegel-Maritorena Model (GSM) Data, version 2022.0The GSM data suite provides ocean-color fields derived by inverting water-leaving reflectance with the Garver–Siegel–Maritorena (GSM/GSM01) semi-analytical model. GSM’s advantage is that it retrieves multiple optical properties simultaneously from a reflectance spectrum and offers a more physics-based alternative to simple band-ratio chlorophyll algorithms. Geophysical variables in this suite incl