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Dominant or co-dominant thermokarst landscapes within the northern boreal and tundra circumpolar permafrost region (Olefeldt et al., 2016).

Map of Arctic Thermokarst Landscapes

A new dataset provides the distribution of Arctic thermokarsts and estimates of soil organic carbon in those landscapes.

View from the top of tower TT34 looking down on sampling line.

Aerosols and Trace Gases over the Amazon

A new data set provides measurements from the Amazonian Aerosol Characterization Experiment.

Distribution of young forests across Russia. Insets (a-h) show a closer view of stand age at eight selected sites. From Loboda and Chen (2016).

Forest regeneration across Russia

A new data set provides the spatial distribution of young forests (stand age < 27 years) in Russia as of 2012.

The ORNL DAAC mission is to assemble, distribute, and provide data services for a comprehensive archive of terrestrial biogeochemistry and ecological dynamics observations and models to facilitate research, education, and decision-making in support of NASA’s Earth science. Read more about the ORNL DAAC.