Export of organic carbon from peat soils

We have observed a 65% increase in the dissolved organic carbon (DOC) concentration in freshwater draining from upland catchments in the United Kingdom over the past 12 years. Here we show that rising temperatures may drive this process by stimulating the export of DOC from peatlands. Our results in...

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Published inNature (London) Vol. 412; no. 6849; p. 785
Main Authors Freeman, C, Evans, C. D, Monteith, D. T, Reynolds, B, Fenner, N
Format Journal Article
LanguageEnglish
Published London Nature Publishing 23.08.2001
Nature Publishing Group
Subjects
Acids
British Isles
Carbon
Carbon - metabolism
Crustaceans
Earth sciences
Earth, ocean, space
Enzymes
Exact sciences and technology
Freshwater
Hydrology
Monophenol Monooxygenase - metabolism
Oceans
Organic carbon
Peat
Peat soils
Peatlands
Phenols
Shells
Soil
Soils
Surficial geology
Temperature
United Kingdom
Western Europe
United Kingdom > UK
time series analysis
Europe
transport
drainage basins
climate modification
global warming
peat bogs
temperature
drainage
dissolved materials
soils
peat
organic carbon
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Summary:We have observed a 65% increase in the dissolved organic carbon (DOC) concentration in freshwater draining from upland catchments in the United Kingdom over the past 12 years. Here we show that rising temperatures may drive this process by stimulating the export of DOC from peatlands. Our results indicate that the flux of aged, riverine DOC of terrestrial origin, now recognized as a significant supplier of DOC to oceans, may increase substantially as a result of global warming.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0028-0836
1476-4687
DOI:10.1038/35090628