AVIRIS-NG L2 Surface Reflectance: MRD Louisiana, 2021

From March 27 to September 25, 2021, this dataset provides Level 2 atmospherically corrected surface reflectance data from NASA's AVIRIS-NG instrument over the Atchafalaya and Terrebonne basins in coastal Louisiana. It captures seasonal conditions during the Delta-X campaign's Spring and Fall deployments, plus 56 specific flight files from after Hurricane Ida's landfall on August 29. The data, with a spatial resolution of 3.8-5.4 meters and spectral sampling from 380 to 2510 nm, are provided in ENVI format as part of a multi-sensor airborne campaign.

Use Cases

• Monitoring wetland health and vegetation changes based on hyperspectral surface reflectance.
• Assessing hurricane-induced coastal erosion and flood impacts from post-event flight data.
• Calibrating and validating satellite-derived biogeophysical models for deltaic environments.
• Studying seasonal hydrologic and geomorphic processes in the Mississippi River Delta.

Strengths

• Includes 56 specific flight files capturing the immediate aftermath of a significant event, Hurricane Ida.
• Data has high spectral resolution, measuring the 380-2510 nm wavelength range with 5-nm sampling.
• Collected as part of a coordinated multi-sensor airborne campaign (Delta-X), suggesting cross-validation potential.

Limitations

• Key metadata such as row count, file size, and specific column names are unavailable across all sources.
• Conflicting 'last updated' dates (2026-04-10 vs. 2021-09-25) create uncertainty about metadata freshness.
• License is ambiguously listed as 'other-license-specified' without detailed terms provided.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Airborne data collected via the AVIRIS-NG instrument deployed on a Dynamic Aviation King Air B200 platform.

Time Range

2021-03-27 to 2021-09-25

Freshness

2026-04-10 03:52:35.475461

Geography

Atchafalaya and Terrebonne basins on the southern coast of Louisiana, United States.