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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.13815
|2 doi
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|a pubmed25n0912.xml
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|a (DE-627)NLM273878247
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|a (NLM)28712133
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Campeau, Audrey
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Aquatic export of young dissolved and gaseous carbon from a pristine boreal fen
|b Implications for peat carbon stock stability
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.09.2018
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|a Date Revised 18.10.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors Global Change Biology Published by John Wiley & Sons Ltd.
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|a The stability of northern peatland's carbon (C) store under changing climate is of major concern for the global C cycle. The aquatic export of C from boreal peatlands is recognized as both a critical pathway for the remobilization of peat C stocks as well as a major component of the net ecosystem C balance (NECB). Here, we present a full year characterization of radiocarbon content (14 C) of dissolved organic carbon (DOC), carbon dioxide (CO2 ), and methane (CH4 ) exported from a boreal peatland catchment coupled with 14 C characterization of the catchment's peat profile of the same C species. The age of aquatic C in runoff varied little throughout the year and appeared to be sustained by recently fixed C from the atmosphere (<60 years), despite stream DOC, CO2 , and CH4 primarily being sourced from deep peat horizons (2-4 m) near the mire's outlet. In fact, the 14 C content of DOC, CO2 , and CH4 across the entire peat profile was considerably enriched with postbomb C compared with the solid peat material. Overall, our results demonstrate little to no mobilization of ancient C stocks from this boreal peatland and a relatively large resilience of the source of aquatic C export to forecasted hydroclimatic changes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a aquatic C export
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|a carbon dioxide
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|a dissolved organic carbon
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| 650 |
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|a methane
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| 650 |
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|a northern peatlands
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| 650 |
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|a radiocarbon dating
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| 650 |
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|a Gases
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Carbon Dioxide
|2 NLM
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| 650 |
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|a 142M471B3J
|2 NLM
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| 650 |
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Bishop, Kevin H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Billett, Michael F
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Garnett, Mark H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Laudon, Hjalmar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leach, Jason A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nilsson, Mats B
|e verfasserin
|4 aut
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|a Öquist, Mats G
|e verfasserin
|4 aut
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| 700 |
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|a Wallin, Marcus B
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 23(2017), 12 vom: 15. Dez., Seite 5523-5536
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
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|g volume:23
|g year:2017
|g number:12
|g day:15
|g month:12
|g pages:5523-5536
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|u http://dx.doi.org/10.1111/gcb.13815
|3 Volltext
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|d 23
|j 2017
|e 12
|b 15
|c 12
|h 5523-5536
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