Permafrost Carbon Network

thermokarst lakescottongrasstussocksthermokarstyedoma

Our synthesis efforts include: Completed syntheses, synthesis of syntheses, syntheses in progress

 

Completed syntheses (chronological order, newest on top)

 

Circumpolar distribution and carbon storage of thermokarst landscapes

New map allows scientists to predict future greenhouse gas emissions that follow permafrost thaw

Olefeldt D, Goswami S, Grosse G, Hayes D, Hugelius G, Kuhry P, McGuire AD, Romanovsky VE, Sannel ABK, Schuur EAG, Turetsky MR (2016) Circumpolar distribution and carbon storage of thermokarst landscapes. Nature Communications, 7, 13043. doi:10.1038/ncomms13043


 

Variability in the sensitivity among model simulations of permafrost and carbon dynamics in the permafrost region between 1960 and 2009

A retrospective analysis of 15 land surface model simulations including carbon cycle processes and permafrost for 1960-2009.

McGuire AD, Koven C, Lawrence DM, Clein JS, Xia J, Beer C, Burke E, Chen G, Chen X, Delire C, Jafarov E, MacDougall AH, Marchenko S, Nicolsky D, Peng S, Rinke A, Saito K, Zhang W, Alkama R, Bohn TJ, Ciais P, Decharme B, Ekici A, Gouttevin I, Hajima T, Hayes DJ, Ji D, Krinner G, Lettenmaier DP, Luo Y, Miller PA, Moore JC, Romanovsky V, Schädel C, Schaefer K, Schuur EAG, Smith B, Sueyoshi T, Zhuang Q (2016) Variability in the sensitivity among model simulations of permafrost and carbon dynamics in the permafrost region between 1960 and 2009. Global Biogeochemical Cycles. doi:10.1002/2016GB005405


 

Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils

Carbon emissions from aerobic and anaerobic incubation studies and with increases in temperature, two meta-analyses

Schädel C, Bader MKF, Schuur EAG, Biasi C, Bracho R, Čapek P, De Baets S, Diáková K, Ernakovich J, Estop-Aragones C, Graham DE, Hartley IP, Iversen CM, Kane E, Knoblauch C, Lupascu M, Martikainen PJ, Natali SM, Norby RJ, O/'Donnell JA, Chowdhury TR, Šantrůčková H, Shaver G, Sloan VL, Treat CC, Turetsky MR, Waldrop MP, Wickland KP (2016) Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils. Nature Clim. Change, 6, 950-953. doi:10.1038/nclimate3054


 

Climate-sensitive northern lakes and ponds are critical components of methane release

Improvements in current estimates and future predictions of CH4 emissions from northern lakes and ponds

Wik M, Varner RK, Anthony KW, MacIntyre S, Bastviken D (2016) Climate-sensitive northern lakes and ponds are critical components of methane release. Nature Geosci, doi:10.1038/ngeo2578


 

Reviews and syntheses: Effects of permafrost thaw on Arctic aquatic ecosystems

General impacts of thaw on aquatic ecosystems, pathways of organic matter and contaminant release and degradation, resulting emissions and burial, and effects on ecosystem structure and functioning

Vonk JE, Tank SE, Bowden WB, Laurion I, Vincent WF, Alekseychik P, Amyot M, Billet MF, Canário J, Cory RM, Deshpande BN, Helbig M, Jammet M, Karlsson J, Larouche J, MacMillan G, Rautio M, Walter Anthony KM, Wickland KP (2015) Reviews and syntheses: Effects of permafrost thaw on Arctic aquatic ecosystems. Biogeosciences, 12, 7129-7167. doi: 10.5194/bg-12-7129-2015


 

Climate change and the permafrost carbon feedback

Current evidence suggests a gradual and prolonged release of greenhouse gas emissions from permafrost in a warming climate and presents a research strategy with which to target poorly understood aspects of permafrost carbon dynamics.

Schuur, EAG, McGuire AD, Schädel C, Grosse G., Harden JW, Hayes DJ, Hugelius G, Koven CD, Kuhry P, Lawrence DM, Natali SM, Olefeldt C, Romanovsky VE, Schaefer K, Turetsky MR, Treat CC and Vonk JE (2015). Climate change and the permafrost carbon feedback. Nature 520 (7546): 171-179. doi:10.1038/nature14338


 

A pan-Arctic synthesis of CH4 and CO2 production from anoxic soil incubations

A synthesis on how environemental and ecological drivers affect CH4 and anaerobic CO2 production from soils of the permafrost region.

Treat C, Natali SM, Ernakovich J, Iversen CM, Lupascu M, McGuire AD, Norby RJ, Roy Chowdhury T, Richter A, Šantrůčková H, Schädel C, Schuur EAG, Sloan VL, Turetsky MR, Waldrop MP (2015) A pan-Arctic synthesis of CH4 and CO2 production from anoxic soil incubations. Global Change Biology. doi:10.1111/gcb.12875


 

Circumpolar assessment of permafrost C quality and its vulnerability over time using long-term incubation data

Synthesizes the decomposability of permafrost organicmatter using incubation data and calculates potential carbon loss for high-latitude soils.

Schädel C, Schuur EAG, Bracho R, Elberling B, Knoblauch C, Lee H, Luo Y, Shaver GR, Turetsky MR (2014) Circumpolar assessment of permafrost C quality and its vulnerability over time using long-term incubation data. Global Change Biology, 20, 641-652. doi: 10.1111/gcb.12417


 

Environmental and physical controls on northern terrestrial methane emissions across permafrost zones

Synthesis of data on growing-seasonCH4emissions fromterrestrial ecosystems across permafrost zones

Olefeldt, D., Turetsky MR, Crill PM & McGuire AD Environmental and physical controls on northern terrestrial methane emissions across permafrost zones. Global Change Biology 19, 589-603, (2013). doi: 10.1111/gcb.12071


 

Estimated stocks of circumpolar permafrost carbon with quantified uncertainty ranges and identified data gaps

Revised and updated current state of knowledge on permafrost soil organic carbon stocks at circumpolar scales.

Hugelius G, Strauss J, Zubrzycki S, Harden JW, Schuur EAG, Ping C-L, Schirrmeister L, Grosse G, Michaelson GJ, Koven CD, O'Donnell JA, Elberling B, Mishra U, Camill P, Yu Z, Palmtag J, and Kuhry P (2014) Estimated stocks of circumpolar permafrost carbon with quantified uncertainty ranges and identified data gaps. Biogeosciences, 11, 6573-6593. doi:10.5194/bg-11-6573-2014


 

The Northern Circumpolar Soil Carbon Database (NCSCD):

Descriotion of the compliation of the NCSCD spatial framework, the soil sampling and soil analytical procedures used to dervive soil organic carbon content in pedons from North America and Eurasia.

Download the data polygon based GIS data (shape-files)

Hugelius G, Tarnocai C, Broll G, Canadell JG, Kuhry P, Swanson DK (2013) The Northern Circumpolar Soil Carbon Database: spatially distributed datasets of soil coverage and soil carbon storage in the northern permafrost regions. Earth System Science Data, 5, 1. doi: 10.5194/essd-5-3-2013


 

The Deep Permafrost Carbon Pool of the Yedoma Region in Siberia and Alaska

Quantification of the organic carbon pool for Yedoma and thermokarst deposits, based on field data and extrapolations using geospatial data.

Strauss J, Schirrmeister L, Grosse G, Wetterich S, Ulrich M, Herzschuh U, Hubberten H-W (2013) The Deep Permafrost Carbon Pool of the Yedoma Region in Siberia and Alaska. Geophysical Research Letters, 2013GL058088, doi: 10.1002/2013gl058088


 

Field information links permafrost carbon to physical vulnerabilities of thawing

Provides cumulative distributions of active layer thickness under current and future climates and estimates the amounts of newly thawed carbon and nitrogen.

Harden JW, Koven CD, Ping C-L, Hugelius G, McGuire AD, Camill P, Jorgenson T, Kuhry P, Michaelson GJ, O'Donnell JA, Schuur EAG, Tarnocai C, Johnson K, Grosse G (2012) Field information links permafrost carbon to physical vulnerabilities of thawing. Geophysical Research Letters, 39. doi:10.1029/2012gl051958


 

 

syntheses of syntheses (chronological order, newest on top)

A simplified, data-constrained approach to estimate the permafrost carbon–climate feedback

Estimation of the feedback from large-scale thawing of permaforst soils using a simplified, data-contrained model that combines three elements: soil carbon maps and profiles, incubation experiments, and models of soil thermal dynamics in response to climate warming.

Koven CD, Schuur EAG, Schädel C, Bohn TJ, Burke EJ, Chen G, Chen X, Ciais P, Grosse G, Harden JW, Hayes DJ, Hugelius G, Jafarov EE, Krinner G, Kuhry P, Lawrence DM, Macdougall AH, Marchenko SS, Mcguire AD, Natali SM, Nicolsky DJ, Olefeldt D, Peng S, Romanovsky VE, Schaefer KM, Strauss J, Treat CC, Turetsky M (2015) A simplified, data-constrained approach to estimate the permafrost carbon–climate feedback. Philosophical Transactions of the Royal Society of London A: Mathematical, Physical and Engineering Sciences, 373, DOI: 10.1098/rsta.2014.0423


 

Climate change and the permafrost carbon feedback

An overview of new insights from a multi-year synthesis of data with the aim of constraining our current understanding of the permafrost carbon feedback to climate, and providing a framework for developing research initiatives in the permafrost region.

Schuur, EAG, McGuire AD, Schädel C, Grosse G., Harden JW, Hayes DJ, Hugelius G, Koven CD, Kuhry P, Lawrence DM, Natali SM, Olefeldt C, Romanovsky VE, Schaefer K, Turetsky MR, Treat CC and Vonk JE (2015). Climate change and the permafrost carbon feedback. Nature 520 (7546): 171-179. doi:10.1038/nature14338

 

back to top