G-LiHT Hyperspectral Reflectance V001

Goddard’s LiDAR, Hyperspectral, and Thermal Imager (G-LiHT) mission is a portable, airborne imaging system that aims to simultaneously map the composition, structure, and function of terrestrial ecosystems. G-LiHT primarily focuses on a broad diversity of forest communities and ecoregions in North America, mapping aerial swaths over the Conterminous United States (CONUS), Alaska, Puerto Rico, and Mexico.

The purpose of G-LiHT’s Hyperspectral Reflectance data product (GLREFL) is to provide high-resolution reflectance data, ranging in wavelength from 418 to 920 nanometers across 114 spectral ranges. Reflectance data is computed as the ratio between observed upwelling radiance and downwelling hemispheric irradiance and corrected for differences in cross-track illumination and Bidirectional Reflectance Distribution Function (BRDF) using an empirically derived multiplier. At a nominal flying height of 335 m above ground level (AGL), the at-sensor reflectance is a close approximation of surface reflectance.

GLREFL data are processed as a zipped raster data product (GeoTIFF) with associated header file (.hdr) at 1 meter spatial resolution over locally defined areas. A low-resolution browse is also provided with a color map applied in PNG format.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated August 25, 2026, 09:17 (UTC)
Created April 1, 2025, 15:50 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id 80a2c44a-c4c5-4133-ae76-922273cb574d
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/Community/GLIHT/GLREFL.001
license https://www.usa.gov/government-works
modified 2026-08-17T22:16:01Z
programCode {026:000}
publisher LP DAAC;NASA/GSFC/SED/ESD
resource-type Dataset
source_datajson_identifier true
source_hash 1be205efed7f697905c38f5bd48bb6cdf90870f5d1fbbdef816126ac84d9e08d
source_schema_version 1.1
spatial ["GEODETIC", [{"NorthBoundingCoordinate": 73, "WestBoundingCoordinate": -170, "EastBoundingCoordinate": -50, "SouthBoundingCoordinate": 10}]]
temporal 2011-06-30/2026-08-17
theme {"Earth Science"}