Limited contribution of permafrost carbon to methane release from thawing peatlands

MDA Cooper, C Estop-Aragonés, JP Fisher… - Nature Climate …, 2017 - nature.com
Abstract Models predict that thaw of permafrost soils at northern high latitudes will release
tens of billions of tonnes of carbon (C) to the atmosphere by 2100 (refs,,). The effect on the …

Abrupt permafrost collapse enhances organic carbon, CO2, nutrient and metal release into surface waters

SV Loiko, OS Pokrovsky, TV Raudina, A Lim… - Chemical …, 2017 - Elsevier
Thawing of frozen peat in discontinuous permafrost zones may significantly modify the
environment at local (slumps and engineering damages) and global (greenhouse gases …

Dissolved organic carbon and major and trace elements in peat porewater of sporadic, discontinuous, and continuous permafrost zones of western Siberia

TV Raudina, SV Loiko, AG Lim, IV Krickov… - …, 2017 - bg.copernicus.org
Mobilization of dissolved organic carbon (DOC) and related trace elements (TEs) from the
frozen peat to surface waters in the permafrost zone is expected to enhance under ongoing …

Questioning ten common assumptions about peatlands

KL Bacon, AJ Baird, A Blundell, MA Bourgault… - Mires and …, 2017 - eprints.whiterose.ac.uk
Peatlands have been widely studied in terms of their ecohydrology, carbon dynamics,
ecosystem services and palaeoenvironmental archives. However, several assumptions are …

Recent increases in permafrost thaw rates and areal loss of palsas in the Western Northwest Territories, Canada

SD Mamet, KP Chun, GGL Kershaw… - Permafrost and …, 2017 - Wiley Online Library
Decay of palsas can indicate permafrost status, particularly in regions where air
temperatures have increased rapidly in recent decades. Using weather data, annual surveys …

Modelling past, present and future peatland carbon accumulation across the pan-Arctic region

N Chaudhary, PA Miller, B Smith - Biogeosciences, 2017 - bg.copernicus.org
Most northern peatlands developed during the Holocene, sequestering large amounts of
carbon in terrestrial ecosystems. However, recent syntheses have highlighted the gaps in …

Iron and silicon isotope behaviour accompanying weathering in Icelandic soils, and the implications for iron export from peatlands

S Opfergelt, HM Williams, JT Cornelis… - … et Cosmochimica Acta, 2017 - Elsevier
Incipient warming of peatlands at high latitudes is expected to modify soil drainage and
hence the redox conditions, which has implications for Fe export from soils. This study uses …

Influence of Holocene permafrost aggradation and thaw on the paleoecology and carbon storage of a peatland complex in northwestern Canada

N Pelletier, J Talbot, D Olefeldt, M Turetsky… - The …, 2017 - journals.sagepub.com
Permafrost in peatlands strongly influences ecosystem characteristics, including vegetation
composition, hydrological functions, and carbon cycling. Large amounts of organic carbon …

Vegetation succession, carbon accumulation and hydrological change in subarctic peatlands, Abisko, Northern Sweden

M Gałka, M Szal, EJ Watson… - Permafrost and …, 2017 - Wiley Online Library
High‐resolution analyses of plant macrofossils, testate amoebae, pollen, mineral content,
bulk density, and carbon and nitrogen were undertaken to examine the late Holocene …

Experimental modeling of thaw lake water evolution in discontinuous permafrost zone: Role of peat, lichen leaching and ground fire

RM Manasypov, LS Shirokova, OS Pokrovsky - Science of the Total …, 2017 - Elsevier
Thaw of frozen peat in discontinuous permafrost zone produces a significant number of
thermokarst lakes, which are known to contribute to Green House Gases (GHG) emission in …