Land Surface Data Access and Tools

NASA data provide key measurements of Earth’s land, allowing researchers to accurately understand its composition, processes, uses, and interactions. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.

Dataset	Geographic Region	Temporal Extent	Data Format	Potential Application Areas	Related Subtopics
ALOS PALSAR High Resolution Radiometric Terrain Corrected Product	Global	2006-03-23 to 2011-04-22		High-precision forest structure and biomass estimation Detailed wetland classification and monitoring Fine-scale surface deformation detection Terrain analysis in densely vegetated regions Resource exploration and geological mapping	erosion/ sedimentation, geomorphic landforms and processes, land use/ land cover, topography
ALOS-2 PALSAR-2 Level 1 ScanSAR Product	Global	2014-08-01 to Present		Wide-area monitoring of land surface changes Regional vegetation and forest monitoring Large wetland area mapping and monitoring Continental-scale land use change detection Regional soil moisture assessment	geomorphic landforms and processes, land use/ land cover, topography
ASTER Global Digital Elevation Model V003	Global Land	2000-03-01 to 2013-11-30	Cloud Optimized GeoTIFF (COG)	Detailed topographic analysis 3D visualization of landscapes Geological feature extraction Slope stability assessment	topography
ECOSTRESS Tiled Land Surface Temperature and Emissivity Instantaneous L2 Global 70 m	Global Land	2018-07-09 to Present	Cloud Optimized GeoTIFF (COG)	High-resolution urban heat island analysis Plant water stress monitoring	surface radiative properties, surface thermal properties
EMIT L2A Estimated Surface Reflectance and Uncertainty and Masks 60 m	Global Land	2022-08-09 to Present	NetCDF-4	Surface mineralogy mapping Geological exploration and resource assessment Soil composition analysis Environmental impact assessment Critical mineral identification Spectral library development for earth materials	land use/ land cover, soils
GEDI L2A Elevation and Height Metrics Data Global Footprint Level V002	Global Land	2019-04-04 to 2023-03-16 2024-04-04 to Present	HDF5	Terrain model refinement under vegetation	topography
Global Hydrologic Soil Groups (HYSOGs250m) for Curve Number-Based Runoff Modeling	Global	2017-01-01 to 2017-11-28	GeoTIFF	Erosion potential mapping	land use/ land cover, soils
HLS Landsat Operational Land Imager Surface Reflectance and TOA Brightness Daily Global 30m v2.0	Global	2013-04-11 to Present	Cloud Optimized GeoTiff (COG)	Land cover and land use change monitoring Harmonized time series analysis with Sentinel-2	land use/ land cover, surface radiative properties
MAIAC Daily V01	Global	2015-06-13 to Present	PNG	Land cover and land use change analysis through improved atmospheric correction	land use/ land cover
MODIS/Terra Land Surface Temperature/Emissivity Daily L3 Global 1 km SIN Grid	Global	2000-02-24 to Present	HDF-EOS2	Regional thermal environment monitoring Urban heat island effect studies Climate model validation for land surface processes Land surface process energy balance studies	surface radiative properties, surface thermal properties
MODIS/Terra Surface Reflectance Daily L2G Global 250m SIN Grid V061	Global	2000-02-24 to Present	HDF-EOS2	Land cover change detection Time series analysis of surface conditions	land use/ land cover, surface radiative properties
NASA Shuttle Radar Topography Mission Global 1 arc second V003	Global Land	2000-02-11 to 2000-02-21	HGT	Global terrain mapping and analysis Geomorphological research Land use planning in variable terrain Erosion potential modeling	land use/ land cover, topography
OPERA Radiometric Terrain Corrected SAR Backscatter from Sentinel-1 Static Layers validated product (Version 1)	Global	2014-04-03 to Present	GeoTIFF XML	Long-term land cover monitoring with consistent reference layers Base mapping for change detection applications Terrain-corrected imagery for accurate spatial analysis Reference data for calibration of other SAR products Foundation for machine learning training datasets Consistent backdrop for time-series analysis	geomorphic landforms and processes, land use/ land cover,
SENTINEL-1A_SLC	Global	2014-04-03 to Present		Interferometric analysis for surface deformation detection Coherence-based change detection Polarimetric analysis for target characterization Phase-based classification of land cover Development of advanced SAR processing algorithms Time-series analysis for subtle change detection	erosion/ sedimentation, geomorphic landforms and processes, land use/ land cover, landscapes, topography
SENTINEL-1B_SLC	Global	2016-04-25 to 2021-12-24		High-resolution deformation mapping with interferometry Coherence analysis for subtle change detection Polarimetric target characterization Complex coherence analysis for vegetation structure Time-series analysis for seasonal change patterns	erosion/ sedimentation, geomorphic landforms and processes, land use/ land cover, landscapes, topography
Sentinel-1C Dual Polarization High Resolution Ground Range Detected Product	Global	2025-01-01 to Present	SAFE	Urban change detection and development monitoring Land cover classification with improved feature distinction	erosion/ sedimentation, geomorphic landforms and processes, land use/ land cover, topography
VIIRS/JPSS1 Land Surface Temperature/Emissivity Daily L3 Global 1km SIN Grid Day V002	Global	2018-01-01 to Present	HDF-EOS5	Surface thermal condition monitoring Climate change impact studies on land surface Thermal anomaly detection Ground frost mapping and monitoring	surface radiative properties, surface thermal properties
VIIRS/NPP Moderate Resolution 6-Min L1B Swath 750 m	Global	2021-12-15 to Present	HDF5 NetCDF-4	Multispectral environmental monitoring Land surface characterization Input for higher-level algorithms Vegetation monitoring Surface temperature retrieval input	land use/ land cover, surface thermal properties

Land Surface Datasets

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Dataset Sort descending	Version	Platform	Instrument	Temporal Extent	Spatial Extent	Spatial Resolution	Data Format
SMAPVEX08 Surface Roughness Data V001	1	FIELD SURVEYS	CAMERAS	2008-09-29 to 2008-10-13	N: 39.1 S: 38.8 E: -75.6 W: -76.3	1 Meters x 1 Meters	ASCII
SMAPVEX12 Core-Based In Situ Soil Moisture Data for Agricultural Area V001	1	GROUND-BASED OBSERVATIONS	CORING DEVICES, SOIL MOISTURE PROBE	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	3.2 Kilometers x 3.2 Kilometers	ASCII, CSV
SMAPVEX12 Core-Based Soil Texture Data V001	1	GROUND-BASED OBSERVATIONS	CORING DEVICES	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	3.2 Kilometers x 3.2 Kilometers	ASCII, CSV
SMAPVEX12 Land Cover Classification Map V001	1	RADARSAT-2, SPOT-4	SAR, HRVIR	2012-06-07 to 2012-07-19	N: 50.21 S: 49.31 E: -98.27 W: -98.97	20 Meters x 20 Meters	GeoTIFF
SMAPVEX12 PALS Brightness Temperature Data V001	1	AIRCRAFT	PALS	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	500 Meters to 1500 Meters x 500 Meters to 1500 Meters	ASCII
SMAPVEX12 PALS Soil Moisture Data V001	1	AIRCRAFT	PALS	2012-06-12 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	1500 Meters x 1500 Meters	CSV
SMAPVEX12 Probe-Based In Situ Soil Moisture Data for Agricultural Area V001	1	FIELD SURVEYS, GROUND-BASED OBSERVATIONS	PROBES, SOIL MOISTURE PROBE	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	0.8 Kilometers x 0.8 Kilometers	ASCII, CSV
SMAPVEX12 Probe-Based In Situ Soil Moisture Data for Forest Area V001	1	FIELD SURVEYS	SOIL MOISTURE PROBE, SOIL TEMPERATURE PROBE	2012-06-07 to 2012-07-13	N: 49.96 S: 49.44 E: -97.85 W: -98.51	100 Meters x 100 Meters	Excel
SMAPVEX12 Soil Texture Map V001	1	FIELD SURVEYS	SOIL SAMPLER	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	316 Meters x 316 Meters	Shapefile
SMAPVEX12 Surface Roughness Data for Agricultural Area V001	1	GROUND-BASED OBSERVATIONS	CAMERAS	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51	1 Meters x 1 Meters	ASCII, CSV
SMAPVEX12 Surface Roughness Data for Forest Area V001	1	GROUND-BASED OBSERVATIONS	CAMERAS	2012-06-07 to 2012-07-19	N: 49.96 S: 49.44 E: -97.85 W: -98.51		Excel, ASCII
SMAPVEX15 PALS Brightness Temperature Data V001	1	AIRCRAFT	PALS	2015-08-02 to 2015-08-18	N: 31.87 S: 31.51 E: -109.84 W: -110.96	1200 Meters x 1200 Meters	CSV
SMAPVEX15 PALS Soil Moisture Data V001	1	AIRCRAFT	PALS	2015-08-02 to 2015-08-18	N: 31.87 S: 31.51 E: -109.84 W: -110.96	1500 Meters x 1500 Meters	CSV
SMAPVEX15 Probe-Based In Situ Soil Moisture Data V001	1	FIELD SURVEYS, GROUND-BASED OBSERVATIONS	SOIL SAMPLER, SOIL TEMPERATURE PROBE, SOIL MOISTURE PROBE	2015-08-02 to 2015-08-18	N: 31.92451 S: 31.34352 E: -110.04833 W: -110.26399	1 Meters x 1 Meters	Excel
SMAPVEX16 Iowa PALS Brightness Temperature and Soil Moisture Data V001	1	AIRCRAFT	PALS	2016-05-28 to 2016-08-16	N: 42.66 S: 42.28 E: -93.21 W: -93.58	500 Meters x 500 Meters	CSV
SMAPVEX16 Iowa Temporary Network Soil Moisture and Temperature V001	1	GROUND-BASED OBSERVATIONS	SOIL MOISTURE PROBE, SOIL TEMPERATURE PROBE	2016-05-18 to 2016-08-17	N: 42.64 S: 42.29 E: -93.22 W: -93.57		CSV
SMAPVEX16 Manitoba Core-Based In Situ Soil Moisture Data V001	1	FIELD SURVEYS, GROUND-BASED OBSERVATIONS	SOIL SAMPLER, CORING DEVICES	2016-05-24 to 2016-07-22	N: 49.76117 S: 49.38408 E: -97.75626 W: -98.09842		CSV, KMZ
SMAPVEX16 Manitoba CropScan Data V001	1	FIELD SURVEYS	INFRARED RADIOMETERS	2016-06-13 to 2016-07-12	N: 49.76117 S: 49.38533 E: -97.75626 W: -98.09842		CSV, KMZ
SMAPVEX16 Manitoba Land Cover Classification Map V001	1	LANDSAT-8, RADARSAT-2	OLI, SAR	2016-06-01 to 2016-07-31	N: 49.99754 S: 49.14592 E: -97.436 W: -98.36356		GeoTIFF, TAR
SMAPVEX16 Manitoba Meteorological Data V001	1	GROUND-BASED OBSERVATIONS	HUMIDITY SENSORS, RAIN GAUGES, TEMPERATURE PROBES	2016-05-02 to 2016-09-30	N: 49.68033 S: 49.49968 E: -97.98999 W: -98.0334		CSV, KMZ
SMAPVEX16 Manitoba PALS Brightness Temperature and Soil Moisture Data V001	1	AIRCRAFT	PALS	2016-06-08 to 2016-07-22	N: 49.79 S: 49.36 E: -97.75 W: -98.12	500 Meters x 500 Meters	CSV
SMAPVEX16 Manitoba Probe-Based In Situ Soil Moisture Data V001	1	FIELD SURVEYS, GROUND-BASED OBSERVATIONS	INFRARED RADIOMETERS, DIELECTRIC PROBE, SOIL TEMPERATURE PROBE	2016-06-08 to 2016-07-22	N: 49.76117 S: 49.38408 E: -97.75626 W: -98.09842		CSV, KMZ
SMAPVEX16 Manitoba Soil Texture Data V001	1	GROUND-BASED OBSERVATIONS	SOIL SAMPLER	2016-06-01 to 2016-07-31	N: 49.76117 S: 49.38533 E: -97.75626 W: -98.09842		CSV, KMZ
SMAPVEX16 Manitoba Soils Geodatabase V001	1	AERIAL PHOTOGRAPHS, FIELD SURVEYS	CAMERAS, VISUAL OBSERVATIONS	2016-06-01 to 2016-07-31	N: 49.79763 S: 49.35855 E: -97.73787 W: -98.13012		TAR
SMAPVEX16 Manitoba Station Soil Moisture Data V001	1	GROUND-BASED OBSERVATIONS	DIELECTRIC PROBE, RAIN GAUGES, SOIL TEMPERATURE PROBE	2016-05-01 to 2016-08-31	N: 49.75644 S: 49.38416 E: -97.75639 W: -98.09842		CSV, KMZ

Land Surface Data Tools

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Tool Sort descending	Description	Services
ASF MapReady	Terrain-correct, geocode, and apply polarimetric decompositions to multi-pol SAR data	Processing
FLOOD	The FLOOD viewer facilitates the use and evaluation of LANCE flood products by allowing the user to browse globally and over time, and to compare to other flood products.	Monitoring Natural Events, Search and Discovery, Visualization
Giovanni	Giovanni is a web application for accessing, visualizing, and analyzing Earth science remote sensing data without downloading the data.	Search and Discovery, Analysis, Access, Visualization, Downloading, Subsetting
OB.DAAC File Search Utility	Find and download instrument data archived at OB.DAAC using mission parameters or filename patterns, including support for wildcard searching on partial filenames.	Analysis, Search and Discovery, Visualization
Ocean Color Level 3 and 4 Browser	The Ocean Color Level 3 and 4 Browser allows users to view, download, or order global composites at various spatial and temporal scales (level 3) or get results from analyses of lower-level data (level 4).	Analysis, Search and Discovery, Visualization
RTC Stack Processor	The radiometric terrain correction (RTC) stack processor tool facilitates time-series analysis of such phenomena as flooding events, deforestation, or glacier retreat.	Analysis, Processing, Search and Discovery, Visualization
SeaDAS	Sea, earth, atmosphere Data Analysis System (SeaDAS) is a comprehensive image analysis package for the processing, display, analysis, and quality control of ocean color data.	Analysis, Visualization, Processing
VEDA	NASA's Visualization, Exploration, and Data Analysis (VEDA) project is an open-source science cyberinfrastructure for data processing, visualization, exploration, and geographic information systems (GIS) capabilities.	Access, Analysis, Processing, Visualization, Geoprocessing
Vertex	Vertex is a graphical search interface for finding synthetic aperture radar (SAR) data.	Search and Discovery, Access, Downloading, Processing, Subsetting
Worldview	Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data.	Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events

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Land Surface Data Access and Tools

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