Browsing Smithsonian Environmental Research Center by Author "Brewer, Paul E."

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Radon as a natural tracer of gas transport through trees

Megonigal, J. Patrick; Brewer, Paul E.; Knee, Karen L. (2020)

Trees are sources, sinks, and conduits for gas exchange between the atmosphere and soil, and effectively link these terrestrial realms in a soil-plant-atmosphere continuum. We demonstrated that naturally produced 222 Rn ...
Redox and temperature-sensitive changes in microbial communities and soil chemistry dictate greenhouse gas loss from thawed permafrost

Ernakovich, Jessica G.; Lynch, Laurel M.; Brewer, Paul E.; Calderon, Francisco J.; Wallenstein, Matthew D. (2017)

Greenhouse gas (GHG) emissions from thawed permafrost are difficult to predict because they result from complex interactions between abiotic drivers and multiple, often competing, microbial metabolic processes. Our objective ...

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