Expedition Categories  >  Atmospheric Science/Weather
Arctic Sunlight and Microbial Interactions 2014
Tremendous stores of organic carbon frozen in permafrost soils have the potential to greatly increase the amount of carbon in the atmosphere. Permafrost soils may thaw sporadically and melting ground ice can cause land-surface sinking called "thermokarst failures ". These failures change the rate and amount of carbon released with the unanticipated outcome being that soil carbon can be mixed-up from a depth and exposed to sunlight as the land surface is altered. Sunlight can photo-degrade or break-down organic carbon and alter the carbon 's ability to support bacterial respiration to produce carbon dioxide. Whether sunlight and UV exposure will enhance or retard the conversion of newly exposed carbon to carbon dioxide is currently unknown—this study is providing the first evidence that this alteration will be amplified by photochemical processes and their effects on microbes.
EQ Expedition No. Expedition Leader  
EXP11591 EQ Admin  
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United States North America
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http://www.polartrec.com/expeditions/arctic-sunlight-and-microbial-interactions-2014
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EQ Expedition No. Expedition Leader   Team Size
EXP11591
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No
Countries Covered Areas Covered
United States North America
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http://www.polartrec.com/expeditions/arctic-sunlight-and-microbial-interactions-2014
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Atmospheric Science/Weather
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March 2024
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