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|a Sunlight controls water column processing of carbon in arctic fresh waters |h [electronic resource]. |
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|a [S.l.] : |b American Association for the Advancement of Science, |c 2014. |
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|a Science Magazine Volume 345, Number 925. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Carbon in thawing permafrost soils may have global impacts on climate change; however,
the factors that control its processing and fate are poorly understood.The dominant fate of
dissolved organic carbon (DOC) released from soils to inland waters is either complete
oxidation to CO2 or partial oxidation and river export to oceans. Although both processes
are most often attributed to bacterial respiration, we found that photochemical oxidation
exceeds rates of respiration and accounts for 70 to 95% of total DOC processed in the
water column of arctic lakes and rivers. At the basin scale, photochemical processing of
DOC is about one-third of the total CO2 released from surface waters and is thus an
important component of the arctic carbon budget. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15042692/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/04/26/92/00001/FI15042692_thm.jpg |
