Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement
Transcom
Atmospheric Tracer Transport Model Intercomparison Project
The Atmospheric Tracer Transport Model Intercomparison Project (TransCom) aims to quantify and diagnose the uncertainty in inversion calculations of the global carbon budget that result from errors in simulated atmospheric transport. TransCom consists of four phases, each with unique sets of experiments.
Data Centers
ORNL DAAC