The continental shelves of the Arctic Ocean and surrounding seas contain large stocks of
organic matter (OM) and methane (CH 4), representing a potential ecosystem feedback to …

Subsea permafrost represents a large carbon pool that might be or become a significant
greenhouse gas source. Scarcity of observational data causes large uncertainties. We here …

The land surface models JULES (Joint UK Land Environment Simulator, two versions) and
ORCHIDEE-MICT (Organizing Carbon and Hydrology in Dynamic Ecosystems), each with a …

A huge amount of carbon (C) is stored in permafrost regions. Climate warming and
permafrost degradation induce gradual and abrupt carbon emissions into both the …

Subsea permafrost carbon pools below the Arctic shelf seas are a major unknown in the
global carbon cycle. We combine a numerical model of sedimentation and permafrost …

The recent warming in the Arctic is affecting a broad spectrum of physical, ecological, and
human/cultural systems that may be irreversible on century time scales and have the …

Approximately 1700 Pg of soil carbon (C) are stored in the northern circumpolar permafrost
zone, more than twice as much C than in the atmosphere. The overall amount, rate, and form …

Degrading permafrost can alter ecosystems, damage infrastructure, and release enough
carbon dioxide (CO 2) and methane (CH 4) to influence global climate. The permafrost …

The near proportionality between cumulative CO 2 emissions and change in near surface
temperature can be used to define a carbon budget: a finite quantity of carbon that can be …

Thawing of permafrost and the associated release of carbon constitutes a positive feedback
in the climate system, elevating the effect of anthropogenic GHG emissions on global-mean …