Detailed airborne spectral imaging of the far north (2017-2022)
What it measures. Very detailed airborne images of the land surface across 425 narrow light bands, from visible through shortwave infrared, at about 5-meter detail across Alaska, northwestern Canada, and Iceland. Includes both the light reflected and the corrected true surface color.
How it's made. Captured by the AVIRIS-NG imaging spectrometer flown on a B-200 aircraft for the ABoVE campaign between 2017 and 2022, then calibrated for brightness and location.
How & where you'd use it. Supports fine-scale study of northern ecosystems, such as the shift between tundra and forest, plus targeted watershed and delta study areas.
What's measured
Coverage & cadence
- Time span2017-06-24 → 2022-08-19
- Measured byB-200 (AVIRIS-NG)
- Processing levelLevel 2
- Spatial extent-166.651, 52.1605, 28.2195, 71.3804
- Formatsmultiple
- StatusCOMPLETE
What you can do with it
- Track deforestation, fire scars and land-cover change
- Monitor crop and vegetation health (NDVI/EVI)
- Map how built-up vs. green an area is over time
Official description
This dataset supersedes the previously published ABoVE AVIRIS-NG Level 2 surface reflectance files for 2017-2019 surveys of Alaska and northwestern Canada. It also includes previously unpublished L1 radiance and L2 reflectance for the 2021 surveys in Iceland when COVID-era policies prevented normal ABoVE flights, and the 2022 surveys, which returned to the ABoVE domain. The dataset comprises ~1700 individual flight lines covering ~120,000 km2 with a nominal spatial resolution of 5 m. Sampling includes individual transects to capture key gradients like the tundra-taiga ecotone and raster maps of key study areas like the CHARS Greiner watershed, the Mackenzie Delta, and the Utqiagvik/Point Barrow area. AVIRIS-NG measures reflected radiance in 425 bands at 5-nanometer (nm) intervals in the visible to shortwave infrared spectral range between 380 and 2510 nm. Measurements were radiometrically and geometrically calibrated. This dataset represents one part of a multi-sensor airborne sampling campaign conducted by eleven different aircraft teams for ABoVE. The imagery data are provided in ENVI format along with a RGB composite image for each flight line and shapefiles showing imagery boundaries.
Get the data
import earthaccess
earthaccess.login(strategy="netrc") # free Earthdata Login
results = earthaccess.search_data(
short_name="ABoVE_Airborne_AVIRIS_NG_V3_2362",
version="3",
bounding_box=(-122.5, 37.2, -121.8, 37.9), # your area (W,S,E,N)
temporal=("2024-01-01", "2024-12-31"), # your dates
)
files = earthaccess.open(results) # stream straight from ORNL_CLOUD Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package. Official links
- Earthdata Search allows users to search, discover, visualize, refine, and access NASA Earth Observation data. GET DATA
- ORNL DAAC Data Set Documentation VIEW RELATED INFORMATION
- ABoVE: AVIRIS-NG Imaging Spectroscopy for Alaska, Canada, and Iceland, 2017-2022, V3: ABoVE_Airborne_AVIRIS_NG_V3.pdf VIEW RELATED INFORMATION