A synthesis of methane dynamics in thermokarst lake environments

JK Heslop, KMW Anthony, M Winkel… - Earth-Science …, 2020‏ - Elsevier
Greenhouse gas emissions from physical permafrost thaw disturbance and subsidence,
including the formation and expansion of thermokarst (thaw) lakes, may double the …

Dissolved organic carbon in permafrost regions: A review

Q Ma, H **, C Yu, VF Bense - Science China Earth Sciences, 2019‏ - Springer
A large quantity of organic carbon (C) is stored in northern and elevational permafrost
regions. A portion of this large terrestrial organic C pool will be transferred by water into soil …

Canadian permafrost stores large pools of ammonium and optically distinct dissolved organic matter

J Fouché, CT Christiansen, MJ Lafrenière… - Nature …, 2020‏ - nature.com
Permafrost degradation may lead to mobilization of carbon and nutrients and enhance
microbial processing rates of previously frozen organic matter. Although the pool size and …

Photochemical alteration of organic carbon draining permafrost soils shifts microbial metabolic pathways and stimulates respiration

CP Ward, SG Nalven, BC Crump, GW Kling… - Nature …, 2017‏ - nature.com
In sunlit waters, photochemical alteration of dissolved organic carbon (DOC) impacts the
microbial respiration of DOC to CO2. This coupled photochemical and biological …

Pleistocene glacial and interglacial ecosystems inferred from ancient DNA analyses of permafrost sediments from Batagay megaslump, East Siberia

J Courtin, A Perfumo, AA Andreev, T Opel… - Environmental …, 2022‏ - Wiley Online Library
Pronounced glacial and interglacial climate cycles characterized northern ecosystems
during the Pleistocene. Our understanding of the resultant community transformations and …

Particulate dominance of organic carbon mobilization from thaw slumps on the Peel Plateau, NT: Quantification and implications for stream systems and permafrost …

S Shakil, SE Tank, SV Kokelj, JE Vonk… - Environmental …, 2020‏ - iopscience.iop.org
Climate change is increasing the frequency and intensity of thermokarst, and accelerating
the delivery of terrestrial organic material from previously sequestered sources to aquatic …

Dissolved organic carbon and nitrogen release from boreal Holocene permafrost and seasonally frozen soils of Alaska

KP Wickland, MP Waldrop, GR Aiken… - Environmental …, 2018‏ - iopscience.iop.org
Permafrost (perennially frozen) soils store vast amounts of organic carbon (C) and nitrogen
(N) that are vulnerable to mobilization as dissolved organic carbon (DOC) and dissolved …

Effect of sewage sludge compost usage on corn and faba bean growth, carbon and nitrogen forms in plants and soil

HEA Elsalam, ME El-Sharnouby, AE Mohamed… - Agronomy, 2021‏ - mdpi.com
Sewage sludge is an effective fertilizer in many soil types. When applied as an amendment,
sludge introduces, in addition to organic matter, plant nutrients into the soil. When applied …

Arctic Amplification of Global Warming Strengthened by Sunlight Oxidation of Permafrost Carbon to CO2

JC Bowen, CP Ward, GW Kling… - Geophysical Research …, 2020‏ - Wiley Online Library
Once thawed, up to 15% of the∼ 1,000 Pg of organic carbon (C) in arctic permafrost soils
may be oxidized to carbon dioxide (CO2) by 2,100, amplifying climate change. However …

Concentration and biodegradability of dissolved organic carbon derived from soils: A global perspective

F Liu, D Wang, B Zhang, J Huang - Science of the Total Environment, 2021‏ - Elsevier
Dissolved organic carbon (DOC), as active and mobile carbon, plays a critical role in
terrestrial and aquatic ecosystems. However, it remains unclear how the concentration and …