Double‐counting challenges the accuracy of high‐latitude methane inventories

Quantification of the present and future contribution to atmospheric methane (CH4) from lakes, wetlands, fluvial systems, and, potentially, coastal waters remains an important unfinished task for b ...

[1]  D. Wagner,et al.  Methanogenic community composition and anaerobic carbon turnover in submarine permafrost sediments of the Siberian Laptev Sea. , 2009, Environmental microbiology.

[2]  I. Semiletov,et al.  The East Siberian Sea as a transition zone between Pacific‐derived waters and Arctic shelf waters , 2005 .

[3]  Philippe Ciais,et al.  Source attribution of the changes in atmospheric methane for 2006–2008 , 2010 .

[4]  Q. Zhuang,et al.  Arctic lakes are continuous methane sources to the atmosphere under warming conditions , 2015 .

[5]  E. Stanley,et al.  Ebullitive methane emissions from oxygenated wetland streams , 2014, Global change biology.

[6]  P. Crill,et al.  Climate‐forced changes in available energy and methane bubbling from subarctic lakes , 2015 .

[7]  Qianlai Zhuang,et al.  Methane emissions from wetlands: biogeochemical, microbial, and modeling perspectives from local to global scales , 2013, Global change biology.

[8]  E. Humphreys,et al.  Evidence for a nonmonotonic relationship between ecosystem‐scale peatland methane emissions and water table depth , 2014 .

[9]  Thomas Kaminski,et al.  Inverse modeling of methane sources and sinks using the adjoint of a global transport model , 1999 .

[10]  S. Yvon-Lewis,et al.  Dissolved methane and carbon dioxide fluxes in Subarctic and Arctic regions: Assessing measurement techniques and spatial gradients , 2016 .

[11]  Jeffrey R. White,et al.  A synthesis of methane emissions from 71 northern, temperate, and subtropical wetlands , 2014, Global change biology.

[12]  I. Laurion,et al.  Modern to millennium-old greenhouse gases emitted from ponds and lakes of the Eastern Canadian Arctic (Bylot Island, Nunavut) , 2015 .

[13]  J. J. West,et al.  Time‐dependent morphology of thaw lakes and taliks in deep and shallow ground ice , 2008 .

[14]  Guido Grosse,et al.  Geologic methane seeps along boundaries of Arctic permafrost thaw and melting glaciers , 2012 .

[15]  P. Döll,et al.  Development and validation of a global database of lakes, reservoirs and wetlands , 2004 .

[16]  Michael J. Prather,et al.  Reactive greenhouse gas scenarios: Systematic exploration of uncertainties and the role of atmospheric chemistry , 2012 .

[17]  Patrick M. Crill,et al.  Freshwater Methane Emissions Offset the Continental Carbon Sink , 2011, Science.

[18]  J. Pyle,et al.  Extensive release of methane from Arctic seabed west of Svalbard during summer 2014 does not influence the atmosphere , 2016 .

[19]  P. Jöckel,et al.  Small Interannual Variability of Global Atmospheric Hydroxyl , 2011, Science.

[20]  Mark Schmidt,et al.  Deconstructing Methane Emissions from a Small Northern European River: Hydrodynamics and Temperature as Key Drivers. , 2016, Environmental science & technology.

[21]  M. Wik.  Emission of methane from northern lakes and ponds , 2016 .

[22]  Philippe Bousquet,et al.  Rising atmospheric methane: 2007–2014 growth and isotopic shift , 2016 .

[23]  I. Dmitrenko,et al.  Recent changes in shelf hydrography in the Siberian Arctic: Potential for subsea permafrost instability , 2011 .

[24]  Matthias Drusch,et al.  Sentinel-2: ESA's Optical High-Resolution Mission for GMES Operational Services , 2012 .

[25]  Nicola J. Blake,et al.  Long-term decline of global atmospheric ethane concentrations and implications for methane , 2012, Nature.

[26]  P. Sauer,et al.  Spatial variation in flux, δ13C and δ2H of methane in a small Arctic lake with fringing wetland in western Greenland , 2016, Biogeochemistry.

[27]  J. Downing,et al.  Plumbing the Global Carbon Cycle: Integrating Inland Waters into the Terrestrial Carbon Budget , 2007, Ecosystems.

[28]  P. Crill,et al.  Methane dynamics of a northern boreal beaver pond , 1999 .

[29]  Guido Grosse,et al.  Using the deuterium isotope composition of permafrost meltwater to constrain thermokarst lake contributions to atmospheric CH4 during the last deglaciation , 2012 .

[30]  M. Jakobsson.  Hypsometry and volume of the Arctic Ocean and its constituent seas , 2002 .

[31]  Peter Bergamaschi,et al.  Three decades of global methane sources and sinks , 2013 .

[32]  Peter Bergamaschi,et al.  Inverse modelling of national and European CH4 emissions using the atmospheric zoom model TM5 , 2005 .

[33]  Shridhar D. Jawak,et al.  A spectral index ratio-based Antarctic land-cover mapping using hyperspatial 8-band WorldView-2 imagery , 2013 .

[34]  M. Lilley,et al.  The Beaufort Sea continental shelf as a seasonal source of atmospheric methane , 1993 .

[35]  T. Moore,et al.  Do pool surface area and depth control CO2 and CH4 fluxes from an ombrotrophic raised bog, James Bay, Canada? , 2009 .

[36]  I. Semiletov,et al.  Extensive Methane Venting to the Atmosphere from Sediments of the East Siberian Arctic Shelf , 2010, Science.

[37]  D. Wilbur,et al.  Isotopic composition of methane released from wetlands: implications for the increase in atmospheric methane , 1988 .

[38]  M. Andreae,et al.  Methane and nitrous oxide emissions from the ocean: A reassessment using basin-wide observations in the Atlantic , 2009 .

[39]  S. M. Liu,et al.  Distributions and fluxes of methane in the East China Sea and the Yellow Sea in spring , 2004 .

[40]  Hugues Lantuit,et al.  Recent Progress Regarding Permafrost Coasts , 2013 .

[41]  Makoto Saito,et al.  The Global Methane Budget: 2000–2012 , 2016 .

[42]  G. Kling,et al.  The flux of CO2 and CH4 from lakes and rivers in arctic Alaska , 1992, Hydrobiologia.

[43]  C. Knoblauch,et al.  Methane oxidation following submarine permafrost degradation: Measurements from a central Laptev Sea shelf borehole , 2015 .

[44]  Richard B. Coffin,et al.  Spatial variation in shallow sediment methane sources and cycling on the Alaskan Beaufort Sea Shelf/Slope , 2013 .

[45]  P. Crill,et al.  Biased sampling of methane release from northern lakes: A problem for extrapolation , 2016 .

[46]  F. Chapin,et al.  Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming , 2006, Nature.

[47]  David Bastviken,et al.  Climate-sensitive northern lakes and ponds are critical components of methane release , 2016 .

[48]  P. Crill,et al.  Methane fluxes from the sea to the atmosphere across the Siberian shelf seas , 2016 .

[49]  Megan W. Lang,et al.  Remote Sensing of Wetlands : Applications and Advances , 2015 .

[50]  Isabelle Laurion,et al.  Variability in greenhouse gas emissions from permafrost thaw ponds , 2010 .

[51]  J. Greinert,et al.  Fate of rising methane bubbles in stratified waters: How much methane reaches the atmosphere? , 2006 .

[52]  J. Rover,et al.  Carbon dioxide and methane emissions from the Yukon River system , 2012 .

[53]  Samuel T. Christel,et al.  The ecology of methane in streams and rivers: patterns, controls, and global significance , 2016 .

[54]  C. Stubbs,et al.  Ebullition and storm-induced methane release from the East Siberian Arctic Shelf , 2014 .

[55]  Robert G. M. Spencer,et al.  High biolability of ancient permafrost carbon upon thaw , 2013 .

[56]  C. Andresen,et al.  Disappearing Arctic tundra ponds: Fine‐scale analysis of surface hydrology in drained thaw lake basins over a 65 year period (1948–2013) , 2015 .

[57]  D. A. Smith,et al.  Diverse origins of Arctic and subarctic methane point source emissions identified with multiply substituted isotopologues , 2016 .

[58]  F. Chapin,et al.  Methane production and bubble emissions from arctic lakes: Isotopic implications for source pathways and ages , 2008 .

[59]  P. Crill,et al.  Large methane emissions from a subarctic lake during spring thaw: Mechanisms and landscape significance , 2015 .

[60]  Benjamin Poulter,et al.  Present state of global wetland extent and wetland methane modelling: conclusions from a model inter-comparison project (WETCHIMP) , 2012 .

[61]  I. Semiletov,et al.  Seasonal and interannual variability of sedimentation and organic matter distribution in the Buor-Khaya Gulf : the primary recipient of input from Lena River and coastal erosion in the southeast Laptev Sea , 2011 .

[62]  E. Dlugokencky,et al.  Atmospheric constraints on the methane emissions from the East Siberian Shelf , 2015 .

[63]  T. Moore,et al.  Methane fluxes from three peatlands in the La Grande Rivière watershed, James Bay lowland, Canada , 2007 .

[64]  Eric A. Kort,et al.  Atmospheric observations of Arctic Ocean methane emissions up to 82° north , 2012 .

[65]  Andrew R. Whitehill,et al.  Clumped isotope effects during OH and Cl oxidation of methane , 2017 .

[66]  Patrick M. Crill,et al.  Methane dynamics regulated by microbial community response to permafrost thaw , 2014, Nature.

[67]  D. M. Lawrence,et al.  Climate change and the permafrost carbon feedback , 2014, Nature.

[68]  P. Crill,et al.  Bubbles trapped in arctic lake ice: Potential implications for methane emissions , 2011 .

[69]  C. Verpoorter,et al.  A global inventory of lakes based on high‐resolution satellite imagery , 2014 .

[70]  Tim R. Moore,et al.  METHANE EMISSIONS FROM WETLANDS IN THE MIDBOREAL REGION OF NORTHERN ONTARIO, CANADA' , 1993 .

[71]  D. Worthy,et al.  Methane emissions from a wetland region within the Hudson Bay Lowland: An atmospheric approach , 1998 .

[72]  K. Hinkel,et al.  Threshold sensitivity of shallow Arctic lakes and sublake permafrost to changing winter climate , 2016 .

[73]  G. Kling,et al.  The flux of CO2 and CH4 from lakes and rivers in arctic Alaska , 1992 .

[74]  Laurence C. Smith,et al.  A first pan‐Arctic assessment of the influence of glaciation, permafrost, topography and peatlands on northern hemisphere lake distribution , 2007 .

[75]  L. M. Cowardin,et al.  Classification of Wetlands and Deepwater Habitats of the United States , 2017 .

[76]  O. Schmale,et al.  Distribution of methane in the water column of the Baltic Sea , 2010 .

[77]  Colm Sweeney,et al.  CarbonTracker-CH 4 : an assimilation system for estimating emissions of atmospheric methane , 2014 .

[78]  T. Laurila,et al.  Stable carbon isotope signatures of methane from a Finnish subarctic wetland , 2012 .

[79]  A. Townsend‐Small,et al.  Using stable isotopes of hydrogen to quantify biogenic and thermogenic atmospheric methane sources: A case study from the Colorado Front Range , 2016 .