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ORNL DAAC recently released a new dataset by Brodrick, P.G. et al (2025): AVIRIS-3 L2A Orthocorrected Surface Reflectance, Facility Instrument Collection This dataset contains Level 2A (L2A) surface reflectance images from the Airborne Visible/Infrared Imaging Spectrometer-3 (AVIRIS-3) instrument. F...

ORNL DAAC recently released a new dataset by Basu, S. et al (2025): TM5-4DVAR Global Monthly Source-disaggregated Methane Emissions, 1999-2016 This dataset holds estimates of methane emissions derived from a dual tracer inversion of atmospheric measurements of CH4 mole fractions and d13CH4 isotopic ...

ORNL DAAC recently released a new dataset by Gay, B.A. et al (2025): GeoCryoAI: Ensemble Learning and the Permafrost Carbon Feedback in Alaska, 1963-2022 This dataset provides model code, input data, sample results, and documentation for an artificial intelligence-driven model, GeoCryoAI. GeoCryoAI ...

ORNL DAAC recently released a new dataset by Twilley, R. et al (2025): Delta-X: Feldspar Sediment Accretion Measurements, MRD, LA, USA, 2019-2023, Version 4 This dataset provides elevation, hydrogeomorphic zone classification, soil carbon content, bulk density, organic matter content, and sediment a...

ORNL DAAC recently released a new dataset by Hook, S. J. et al (2025): MASTER: Western Diversity Time Series Campaign, WDTS, Spring 2025 This dataset includes Level 1B (L1B) and Level 2 (L2) data products from the MODIS/ASTER Airborne Simulator (MASTER) instrument. The spectral data were collected a...

ORNL DAAC recently released a new dataset by Green, R.O. et al (2025): AVIRIS-Classic: L1B Calibrated Radiance, Facility Instrument Collection, V1 This dataset contains Level 1B (L1B) orthocorrected, scaled radiance image files as well as files of observational geometry and illumination parameters a...

Hello MoogCity, Thanks for your interest in Daymet data. Unfortunately, the access method you are attempting is no longer valid. We apologize for the inconvenience. The NASA DAAC's are moving to cloud-based NASA Earthdata access methods through which the Daymet dataset is available. You will find in...

ORNL DAAC recently released a new dataset by Nghiem, J. et al (2025): Delta-X: Sediment Core Grain Size Distribution, Wax Lake Delta, MRD, LA This dataset provides grain size distribution measurements collected from sediment core samples on Mike Island in the Wax Lake Delta, Louisiana, as part of th...

ORNL DAAC recently released a new dataset by Seo, E. et al (2025): GEDI L4D Imputed Waveforms, Version 2 This Global Ecosystem Dynamics Investigation (GEDI) L4D product provides a 30-m spatial elaboration of the mission's sample of footprint-level L2A V002, L2B V002, and L4A Version 2.1 products. A ...

ORNL DAAC recently released a new dataset by Doughty, C.L. et al (2025): BlueFlux: Modeled Daily CO2 and CH4 Wetland Fluxes, Southern Florida, 2000-2024 This dataset contains gridded estimates of carbon dioxide (CO2) and methane (CH4) fluxes at daily resolution covering the Southern Florida region f...