Permafrost and climate change: carbon cycle feedbacks from the warming Arctic
Rapid Arctic environmental change affects the entire Earth system as thawing permafrost
ecosystems release greenhouse gases to the atmosphere. Understanding how much …
ecosystems release greenhouse gases to the atmosphere. Understanding how much …
Permafrost carbon emissions in a changing Arctic
Arctic permafrost stores nearly 1,700 billion metric tons of frozen and thawing carbon.
Anthropogenic warming threatens to release an unknown quantity of this carbon to the …
Anthropogenic warming threatens to release an unknown quantity of this carbon to the …
Rivers across the Siberian Arctic unearth the patterns of carbon release from thawing permafrost
Climate warming is expected to mobilize northern permafrost and peat organic carbon (PP-
C), yet magnitudes and system specifics of even current releases are poorly constrained …
C), yet magnitudes and system specifics of even current releases are poorly constrained …
Past permafrost dynamics can inform future permafrost carbon-climate feedbacks
Climate warming threatens to destabilize vast northern permafrost areas, potentially
releasing large quantities of organic carbon that could further disrupt the climate. Here we …
releasing large quantities of organic carbon that could further disrupt the climate. Here we …
Radiocarbon: a key tracer for studying Earth's dynamo, climate system, carbon cycle, and Sun
BACKGROUND Radiocarbon (14C) has long been recognized as providing an essential
dating method covering the past 55,000 years. However, the further role of 14C as a …
dating method covering the past 55,000 years. However, the further role of 14C as a …
[HTML][HTML] Emissions from dry inland waters are a blind spot in the global carbon cycle
A large part of the world's inland waters, including streams, rivers, ponds, lakes and
reservoirs is subject to occasional, recurrent or even permanent drying. Moreover, the …
reservoirs is subject to occasional, recurrent or even permanent drying. Moreover, the …
[HTML][HTML] Regulation of soil organic matter decomposition in permafrost-affected Siberian tundra soils-Impact of oxygen availability, freezing and thawing, temperature …
J Walz, C Knoblauch, L Böhme, EM Pfeiffer - Soil Biology and Biochemistry, 2017 - Elsevier
The large amounts of soil organic matter (SOM) in permafrost-affected soils are prone to
increased microbial decomposition in a warming climate. The environmental parameters …
increased microbial decomposition in a warming climate. The environmental parameters …
Bounding cross-shelf transport time and degradation in Siberian-Arctic land-ocean carbon transfer
The burial of terrestrial organic carbon (terrOC) in marine sediments contributes to the
regulation of atmospheric CO2 on geological timescales and may mitigate positive feedback …
regulation of atmospheric CO2 on geological timescales and may mitigate positive feedback …
Remobilization of dormant carbon from Siberian-Arctic permafrost during three past warming events
Carbon cycle models suggest that past warming events in the Arctic may have caused large-
scale permafrost thaw and carbon remobilization, thus affecting atmospheric CO2 levels …
scale permafrost thaw and carbon remobilization, thus affecting atmospheric CO2 levels …
Rapid fluvio-thermal erosion of a yedoma permafrost cliff in the Lena River Delta
The degradation of ice-rich permafrost deposits has the potential to release large amounts of
previously freeze-locked carbon (C) and nitrogen (N) with local implications, such as …
previously freeze-locked carbon (C) and nitrogen (N) with local implications, such as …