[PDF] Top 20 �T , the permafrost carbon feedback
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�T , the permafrost carbon feedback
... of permafrost-related pro- cesses included within the land surface ...of permafrost to climate change is mainly through a deepening of the active ...northern permafrost region there is a high risk of ... See full document
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Estimating the near-surface permafrost-carbon feedback on global warming
... the carbon content of individ- ual soil patches over ...much carbon is actually transferred between the respective carbon ...distributed carbon density in each area type, anaero- bic and ... See full document
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Detecting the permafrost carbon feedback: talik formation and increased cold-season respiration as precursors to sink-to-source transitions
... cold permafrost, high soil C stocks and soil moisture, and low ...ern permafrost is limited to young, shallow soils with signifi- cantly reduced contributions from deeper, older C than warm ... See full document
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Permafrost-affected soils and their carbon pools with a focus on the Russian Arctic
... positive feedback ef- fects in permafrost landscapes or in the cryosphere of the Earth system that are not yet sufficiently considered in the climate models relating to temperature ...the permafrost ... See full document
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Observation-based modelling of permafrost carbon fluxes with accounting for deep carbon deposits and thermokarst activity
... thawing permafrost by accounting for some abrupt thaw processes which can accelerate the degradation of frozen ground beyond what is inferred by standard mod- elling approaches that consider gradual ...allocating ... See full document
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The importance of a surface organic layer in simulating permafrost thermal and carbon dynamics
... changes the properties of the near surface soil, resulting in a shallower ALT and cooler soil temperatures. The dynamic rooting depth accounts for a shallower ALT and modulates GPP accordingly. The cooler soil ... See full document
11
Long-term drainage effects on carbon fluxes of an Arctic permafrost ecosystem
... vertical carbon exchange and with higher CO 2 uptake, the control site has a potential negative feedback with Arctic warming, while the drained site is always a net source for carbon to the ... See full document
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(2012): A permafrost glacial hypothesis – Permafrost carbon might help explaining the Pleistocene ice ages, 61 (1): 84–92
... the permafrost carbon is released as methane and thus as efficient greenhouse gas, these large numbers suggest that permafrost carbon dynamics could be sufficient to trigger global climate ... See full document
9
Low below-ground organic carbon storage in a subarctic Alpine permafrost environment
... mountainous permafrost region remains to be addressed by further ...in permafrost soils of the northern circumpolar region and to fully assess the permafrost thaw–C ... See full document
12
Editorial: Organic carbon pools in permafrost regions on the Qinghai–Xizang (Tibetan) Plateau
... of permafrost would ex- pose the frozen organic carbon to microbial decomposition, and thus may initiate a positive permafrost carbon feedback on climate (Schuur et ...of ... See full document
8
Estimated stocks of circumpolar permafrost carbon with quantified uncertainty ranges and identified data gaps
... the permafrost region (Koven et ...of permafrost car- bon cycling and do not resolve high landscape spatial het- erogeneity or account for many observed processes, such as thermokarst or post-fire ...the ... See full document
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Projecting the release of carbon from permafrost soils using a perturbed parameter ensemble modelling approach
... hemispheric permafrost region are estimated to contain 1100 to 1500 Pg of ...this carbon has been frozen and there- fore protected from microbial decay for ...this permafrost is expected to ... See full document
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A vertical representation of soil carbon in the JULES land surface scheme (vn4.3_permafrost) with a focus on permafrost regions
... the permafrost carbon feedback into ...soil carbon (such as permafrost carbon) can be identified, labelled, and followed through the ...soil carbon when compared to the ... See full document
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A vertical representation of soil carbon in the JULES land surface scheme (vn4.3_permafrost) with a focus on permafrost regions
... soil carbon model has improved the simulated soil carbon distribution for both versions of ...soil carbon, reflected by the low spatial correlation between model and observations and most notable in ... See full document
17
Permafrost soils and carbon cycling
... the permafrost regions have received considerable recent attention because of their disproportionally high car- bon stocks in comparison to soils of non-permafrost regions and because of the attendant ... See full document
25
Long-term deglacial permafrost carbon dynamics in MPI-ESM
... Mauritsen, T., Bader, J., Becker, T., Behrens, J., Bittner, M., Brokopf, R., Brovkin, V., Claussen, M., Crueger, T., Esch, M., Fast, I., Fiedler, S., Fläschner, D., Gayler, V., Giorgetta, M., Goll, ... See full document
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Subsurface release and transport of dissolved carbon in a discontinuous permafrost region
... organic carbon under the surface of the ...organic carbon), so that complete deple- tion of c ∗ 0 (which is not renewed in the DIC case) can be expected to take a long ...< t ≤ 1/ k is more or ... See full document
13
High carbon sequestration in Siberian permafrost loess-paleosols during glacials
... potential permafrost carbon dynamics. Many more long permafrost sequences would ideally have to be studied to come to robust estimates, because local and regional differences in biomass productivity, ... See full document
9
Carbon and nitrogen pools in thermokarst-affected permafrost landscapes in Arctic Siberia
... the permafrost C pool and adds important shallow and deep C and N data to the permafrost region soil ...to permafrost thaw in the upper subsurface points towards the fact that not only does the ... See full document
19
Limited contribution of permafrost carbon to methane release from thawing peatlands
... This is a repository copy of Limited contribution of permafrost carbon to methane release from thawing peatlands.. White Rose Research Online URL for this paper: http://eprints.whiteros[r] ... See full document
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