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Thermokarst dynamic...
Thermokarst dynamics and soil organic matter characteristics controlling initial carbon release from permafrost soils in the Siberian Yedoma region
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- Weiss, Niels (författare)
- Stockholms universitet,Institutionen för naturgeografi
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- Blok, Daan (författare)
- University of Copenhagen
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Elberling, Bo (författare)
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- Hugelius, Gustaf (författare)
- Stockholms universitet,Institutionen för naturgeografi
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- Jørgensen, Christian Juncher (författare)
- Lund University,Lunds universitet,AgriFood Economics Centre, Ekonomihögskolan vid Lunds universitet,Ekonomihögskolan,AgriFood Economics Centre, Lund University School of Economics and Management,Lund University School of Economics and Management, LUSEM
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- Siewert, Matthias Benjamin (författare)
- Stockholms universitet,Institutionen för naturgeografi
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- Kuhry, Peter (författare)
- Stockholms universitet,Institutionen för naturgeografi
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: Sedimentary Geology. - : Elsevier BV. - 0037-0738 .- 1879-0968. ; 340, s. 38-48
- Relaterad länk:
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http://www.sciencedi... (free)
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- This study relates soil organic matter (SOM) characteristics to initial soil incubation carbon release from upper permafrost samples in Yedoma region soils of northeastern Siberia, Russia. Carbon (C) and nitrogen (N) content, carbon to nitrogen ratios (C:N), delta C-13 and delta N-15 values show clear trends that correspond with SOM age and degree of decomposition. Incubation results indicate that older and more decomposed soil material shows higher C respiration rates per unit incubated C than younger and less decomposed samples with higher C content. This is important as undecomposed material is often assumed to be more reactive upon thawing. Large stocks of SOM and their potential decomposability, in combination with complex landscape dynamics that include one or more events of Holocene thaw in most of the landscape, are of consequence for potential greenhouse gas release from permafrost soils in the Yedoma region.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)
Nyckelord
- Permafrost
- Yedoma
- Thermokarst
- Carbon
- SOM decomposition
- Soil incubation
- Physical Geography
- naturgeografi
- Permafrost
- Yedoma
- Thermokarst
- Carbon
- SOM decomposition
- Soil incubation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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