Iron mineral dissolution releases iron and associated organic carbon during permafrost thaw
MS Patzner, CW Mueller, M Malusova, M Baur… - Nature …, 2020 - nature.com
It has been shown that reactive soil minerals, specifically iron (III)(oxyhydr) oxides, can trap
organic carbon in soils overlying intact permafrost, and may limit carbon mobilization and …
organic carbon in soils overlying intact permafrost, and may limit carbon mobilization and …
[HTML][HTML] Relationship between soil CO2 fluxes and soil moisture: Anaerobic sources explain fluxes at high water content
Soil moisture is a known environmental factor influencing carbon dioxide (CO 2) emissions
and therefore represents an important variable in predictive models. Establishing …
and therefore represents an important variable in predictive models. Establishing …
Landscape topography structures the soil microbiome in arctic polygonal tundra
In the Arctic, environmental factors governing microbial degradation of soil carbon (C) in
active layer and permafrost are poorly understood. Here we determined the functional …
active layer and permafrost are poorly understood. Here we determined the functional …
Influence of iron redox cycling on organo-mineral associations in Arctic tundra soil
Arctic tundra stores large quantities of soil organic matter under varying redox conditions. As
the climate warms, these carbon reservoirs are susceptible to increased rates of …
the climate warms, these carbon reservoirs are susceptible to increased rates of …
Molecular insights into Arctic soil organic matter degradation under warming
Molecular composition of the Arctic soil organic carbon (SOC) and its susceptibility to
microbial degradation are uncertain due to heterogeneity and unknown SOC compositions …
microbial degradation are uncertain due to heterogeneity and unknown SOC compositions …
[HTML][HTML] The role of coupled DNRA-Anammox during nitrate removal in a highly saline lake
Abstract Nitrate (NO 3−) removal from aquatic ecosystems involves several microbially
mediated processes, including denitrification, dissimilatory nitrate reduction to ammonium …
mediated processes, including denitrification, dissimilatory nitrate reduction to ammonium …
Warming increases methylmercury production in an Arctic soil
Rapid temperature rise in Arctic permafrost impacts not only the degradation of stored soil
organic carbon (SOC) and climate feedback, but also the production and bioaccumulation of …
organic carbon (SOC) and climate feedback, but also the production and bioaccumulation of …
Seasonal changes in hydrology and permafrost degradation control mineral element‐bound DOC transport from permafrost soils to streams
C Hirst, E Mauclet, A Monhonval… - Global …, 2022 - Wiley Online Library
Mineral elements bind to dissolved organic carbon (DOC) in permafrost soils, and this may
contribute to the stabilization or the degradation of organic carbon along the soil to river …
contribute to the stabilization or the degradation of organic carbon along the soil to river …
Integrating tide‐driven wetland soil redox and biogeochemical interactions into a land surface model
Redox processes, aqueous and solid‐phase chemistry, and pH dynamics are key drivers of
subsurface biogeochemical cycling and methanogenesis in terrestrial and wetland …
subsurface biogeochemical cycling and methanogenesis in terrestrial and wetland …
Effects of warming on the degradation and production of low-molecular-weight labile organic carbon in an Arctic tundra soil
The fate of soil organic carbon (SOC) stored in the Arctic permafrost is a key concern as
temperatures continue to rise in the northern hemisphere. Studies and conceptual models …
temperatures continue to rise in the northern hemisphere. Studies and conceptual models …