ORNL DAAC Data Release - MASTER: Geological Earth Mapping Experiment (GEMx), Summer 2025

by **ORNL - blancohl** » Fri Dec 12, 2025 10:06 am America/New_York

ORNL DAAC recently released a new dataset by Hook, S.J. et al (2025):

MASTER: Geological Earth Mapping Experiment (GEMx), Summer 2025

This dataset includes Level 1B (L1B) data products from the MODIS/ASTER Airborne Simulator (MASTER) instrument. The spectral data were collected during 29 flights aboard a NASA ER-2 aircraft over California, Oregon, Nevada, and Arizona, US, from 2025-05-23 to 2025-09-23.

Citation: Hook, S. J., Myers, J. S., Thome, K. J., Fitzgerald, M., Kahle, A. B., Airborne Sensor Facility NASA Ames Research Center, Hoefen, T., & Kokaly, R. F. (2025). MASTER: Geological Earth Mapping Experiment (GEMx), Summer 2025. ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/2472