Characteristics of summer-time energy exchange in a high Arctic tundra heath 2000–2010

References

• Åkerman H. , Johansson M . Thawing permafrost and thicker active layers in sub-arctic Sweden. Permafrost Periglac. Process. 2008; 19: 279–292.
   Web of Science ®Google Scholar
• Aubinet M. , Grelle A. , Ibrom A. , Rannik Ü. , Moncrieff J. , co-authors . Estimates of the annual net carbon and water exchange of European forests: the EUROFLUX methodology. Adv. Ecol. Res. 2000; 30: 114–175.
   Web of Science ®Google Scholar
• Beringer J. , Chapin F. , Thompson C. , McGuire A . Surface energy exchanges along a tundra-forest transition and feedbacks to climate. Agric. For. Meteorol. 2005; 131: 143–161.
   Web of Science ®Google Scholar
• Boike J. , Roth K. , Overduin P . Thermal and hydrologic dynamics of the active layer at a continuous permafrost site (Taymyr Peninsula, Siberia). Water Resour. Res. 1998; 34: 355–363.
   Web of Science ®Google Scholar
• Boike J. , Wille C. , Abnizova A . Climatology and summer energy and water balance of polygonal tundra in the Lena River Delta, Siberia. J. Geophys. Res. Biogeosci. 2008; 113: 03025.
   Web of Science ®Google Scholar
• Callaghan T. , Johansson M. , Key J. , Prowse T . Cross-cutting Scientific Issues. Snow, Water, Ice and Permafrost in the Arctic (SWIPA). 2011; Oslo: AMAP. 487–536.
   Google Scholar
• Campbell G. S. A. , Norman J. M . An Introduction to Environmental Biophysics.
   Google Scholar
• Chapin F. , Sturm M. , Serreze M. , McFadden J. , Key J. R. , co-authors . Role of land-surface changes in Arctic summer warming. Science. 2005; 310: 657–660.
   PubMed Web of Science ®Google Scholar
• Christensen J. H. , Hewitson B. , Busuioc A. , Chen A. , Gao X. , co-authors . Solomon S. , Qin D. , Manning M. , Chen Z. , Marquis M. , co-authors . Regional climate projections. Climate Change 2007: The Physical Science Basis. 2007; Cambridge: Cambridge University Press. 847–940.
   Google Scholar
• Christensen T. R. , Ekberg A. , Ström L. , Mastepanov M. , Panikov N. , co-authors . Factors controlling large scale variations in methane emissions from wetlands. Geophys. Res. Lett. 2003; 30: 1414.
   Web of Science ®Google Scholar
• Christiansen H. H. , Etzelmüller B. , Isaksen K. , Juliussen H. , Farbrot H. , co-authors . The thermal state of permafrost in the Nordic area during the international polar year 2007–2009. Permafrost Periglac. Process. 2010; 21: 156–181.
   Web of Science ®Google Scholar
• Dingman S. L. , Barry R. G. , Weller G. , Benson C. , LeDrew E. F. , co-authors . Brown J. , Miller P. C. , Tieszen L. L , Bunnell F.L . Climate, snow cover, microclimate, and hydrology. Hutchinson & Ross, Stroudsburg. An Arctic Ecosystem: The Coastal Tundra at Barrow, Alaska. 1980; 30–65.
   Google Scholar
• Eaton A. K. , Rouse W. R. , Lafleur P. M. , Marsh P. , Blanken P. D . Surface energy balance of the Western and Central Canadian Subarctic: variations in the energy balance among five major terrain types. J. Clim. 2001; 14: 3692–3702.
   Web of Science ®Google Scholar
• Elberling B. , Tamstorf M. P. , Michelsen A . Soil and plant community characteristics and dynamics at Zackenberg. Adv. Ecol. Res. 2008; 40: 223–248.
   Web of Science ®Google Scholar
• Engstrom R. , Hope A. , Kwon H. , Harazono Y. , Mano M. , co-authors . Modeling evapotranspiration in Arctic coastal plain ecosystems using a modified BIOME-BGC model. J. Geophys. Res. 2006; 111: 02021.
   Web of Science ®Google Scholar
• Eugster W. , Rouse W. , Pielke Sr., R. , McFadden J. , Baldocchi D. , co-authors . Land–atmosphere energy exchange in Arctic tundra and boreal forest: available data and feedbacks to climate. Glob. Change Biol. 2000; 6: 84–115.
   PubMed Web of Science ®Google Scholar
• Foken T . The energy balance closure problem: an overview. Ecol. Appl. 2008; 18: 1351–1367.
   PubMed Web of Science ®Google Scholar
• Graversen R. G. , Mauritsen T. , Tjernström M. , Källén E. , Svensson G . Vertical structure of recent Arctic warming. Nature. 2008; 451: 53–56.
   PubMed Web of Science ®Google Scholar
• Gu L. , Falge E. M. , Boden T. , Baldocchi D. D. , Black T. A. , co-authors . Objective threshold determination for nighttime eddy flux filtering. Agric. For. Meteorol. 2005; 128: 179–197.
   Web of Science ®Google Scholar
• Halliwell D. H. , Rouse W. R . Soil heat flux in permafrost: characteristics and accuracy of measurement. J. Climatol. 1987; 7: 571–584.
   Web of Science ®Google Scholar
• Halliwell D. H. , Rouse W. R. , Weick E. J . Surface energy balance and ground heat flux in organic permafrost terrain under variable moisture conditions. Proceedings 5th Canadian Permafrost Conference. 1999; 223–230. Quebec City, Collection Nordica 54, Laval University, Quebec.
   Google Scholar
• Hanks R. J. , Ashcroft G. L . Applied Soil Physics: Soil Water and Temperature Application. 1980; , New York: Springer-Verlag. 159.
   Google Scholar
• Hansen B. U. , Sigsgaard C. , Rasmussen L. , Cappelen J. , Hinkler J. , co-authors . Present-day climate at Zackenberg. Adv. Ecol. Res. 2008; 40: 111–149.
   Web of Science ®Google Scholar
• Harazono Y. , Yoshimoto M. , Mano M. , Vourlitis G. , Oechel W . Characteristics of energy and water budgets over wet sedge and tussock tundra ecosystems at North Slope in Alaska. Hydrol. Process. 1998; 12: 2163–2183.
   Web of Science ®Google Scholar
• Hinzman L. , Bettez N. , Bolton W. , Chapin F. , Dyurgerov M. , co-authors . Evidence and implications of recent climate change in northern Alaska and other arctic regions. Clim. Change. 2005; 72: 251–298.
   Web of Science ®Google Scholar
• Højstrup J . A statistical data screening procedure. Meas. Sci. Technol. 1993; 4: 153–157.
   Web of Science ®Google Scholar
• Jarvis P. G. , McNaughton K. G . Stomatal control on transpiration: scaling up from leaf to region. Adv. Ecol. Res. 1986; 15: 1–49.
   Web of Science ®Google Scholar
• Johansson T. , Malmer N. , Crill P. M. , Friborg T. , Åkerman J. H. , co-authors . Decadal vegetation changes in a northern peatland, greenhouse gas fluxes and net radiative forcing. Glob. Change Biol. 2006; 12: 2352–2369.
   Web of Science ®Google Scholar
• Lafleur P. M . Energy balance and evapotranspiration from a subarctic forest. Agric. For. Meteorol. 1992; 58: 163–175.
   Web of Science ®Google Scholar
• Lafleur P. M. , Rouse W. R . The influence of surface cover and climate on energy partitioning and evaporation in a subarctic wetland. Bound. Lay. Meteorol. 1988; 44: 327–347.
   Web of Science ®Google Scholar
• Langer M. , Westermann S. , Muster S. , Piel K. , Boike J . The surface energy balance of a polygonal tundra site in northern Siberia – Part 1: spring to fall. Cryosphere. 2011a; 5: 151–171.
   Web of Science ®Google Scholar
• Langer M. , Westermann S. , Muster S. , Piel K. , Boike J . The surface energy balance of a polygonal tundra site in northern Siberia – Part 2: winter. Cryosphere. 2011b; 5: 509–524.
   Web of Science ®Google Scholar
• Liljedahl A. K. , Hinzman L. D. , Harazono Y. , Zona D. , Tweedie C. E. , co-authors . Nonlinear controls on evapotranspiration in arctic coastal wetlands. Biogeosciences. 2011; 8: 3375–3389.
   Web of Science ®Google Scholar
• Lloyd C. , Harding R. , Friborg T. , Aurela M . Surface fluxes of heat and water vapour from sites in the European Arctic. Theor. Appl. Climatol. 2001; 70: 19–33.
   Web of Science ®Google Scholar
• Lund M. , Falk J. M. , Friborg T. , Mbufong H. N. , Sigsgaard C. , co-authors . Trends in CO2 exchange in a high Arctic tundra heath, 2000–2010. J. Geophys. Res. Biogeosci. 2012; 117: 02001.
   Web of Science ®Google Scholar
• Mauder M. , Liebethal C. , Göckede M. , Leps J.-P. , Beyrich F. , co-authors . Processing and quality control of flux data during LITFASS-2003. Boundary-Layer Meteorol. 2006; 121: 67–88.
   Web of Science ®Google Scholar
• Mayocchi C. L. , Bristow K. L . Soil surface heat flux: some general questions and comments on measurements. Agric. For. Meteorol. 1995; 75: 43–50.
   Web of Science ®Google Scholar
• McGuire A. D. , Anderson L. G. , Christensen T. R. , Dallimore S. , Guo L. , co-authors . Sensitivity of the carbon cycle in the Arctic to climate change. Ecol. Monogr. 2009; 79: 523–555.
   Web of Science ®Google Scholar
• McFadden J. P. , Chapin III, F. S. , Hollinger D. Y . Subgrid-scale variability in the surface energy balance of arctic tundra. J. Geophy. Res. 1998; 103: 28947–28961.
   Web of Science ®Google Scholar
• McFadden J. P. , Eugster W. , Chapin III, F. S . A regional study of the controls on water vapor and carbon exchange in arctic tundra. Ecology. 2003; 84: 2762–2776.
   Web of Science ®Google Scholar
• Moncrieff J. B. , Massheder J. M. , de Bruin H. , Elbers J. , Friborg T. , co-authors . A system to measure surface fluxes of momentum, sensible heat, water vapor and carbon dioxide. J. Hydrol. 1997; 188–189: 589–611.
   Web of Science ®Google Scholar
• Monteith J. L. , Unsworth M. H . Principles of Environmental Physics.
   Google Scholar
• Moore C . Frequency response corrections for eddy correlation systems. Boundary-Layer Meteorol. 1986; 37: 17–35.
   Web of Science ®Google Scholar
• Myers-Smith I. H. , Forbes B. C. , Wilmking M. , Hallinger M. , Lantz T. , co-authors . Shrub expansion in tundra ecosystems: dynamics, impacts and research priorities. Environ. Res. Lett. 2011; 6: 045509.
   Web of Science ®Google Scholar
• Oechel W. C. , Hastings S. J. , Vourlitis G. L. , Jenkins M. , Riechers G. , co-authors . Recent change of arctic tundra ecosystems from a net carbon dioxide sink to a source. Nature. 1993; 361: 520–523.
   Web of Science ®Google Scholar
• Ohmura A . Climate and energy balance on the arctic tundra. Int. J. Climatol. 1982; 2: 65–84.
   Web of Science ®Google Scholar
• Ohta T. , Maximov T. C. , Dolman A. J. , Nakai T. , van der Molen M. K. , co-authors . Interannual variation of water balance and summer evapotranspiration in an eastern Siberian larch forest over a 7-year period (1998–2006). Agric. For. Meteorol. 2008; 148: 1941–1953.
   Web of Science ®Google Scholar
• Osterkamp T. E . The recent warming of permafrost in Alaska. Glob. Planet. Change. 2005; 49: 187–202.
   Web of Science ®Google Scholar
• Overland J. E. , Francis J. A. , Hanna E. , Wang M . The recent shift in early summer Arctic atmospheric circulation. Geophys. Res. Lett. 2012; 39: 19804.
   Web of Science ®Google Scholar
• Overland J. E. , Wang M . Large-scale atmospheric circulation changes are associated with the recent loss of Arctic sea ice. Tellus A. 2010; 62: 1–9.
   Google Scholar
• Overland J. E. , Wang M. , Salo S . The recent Arctic warm period. Tellus A. 2008; 60: 589–597.
   Google Scholar
• Overland J. E. , Wood K. R. , Wang M . Warm Arctic – cold continents: climate impacts of the newly open Arctic Sea. Polar Res. 2011; 30: 15787.
   Web of Science ®Google Scholar
• Parmentier F-J. W. , Christensen T. R. , Sørensen L. L. , Rysgaard S. , McGuire A. D. , co-authors . The impact of lower sea-ice extent on Arctic greenhouse-gas exchange. Nat. Clim. Change. 2013; 3: 195–202.
   Web of Science ®Google Scholar
• Pedersen M. R. , Christensen T. R. , Falk J. M. , Hangaard P. , Hansen B. U. , co-authors . Jensen L . Zackenberg Basic: The ClimateBasis and Geobasis programmes. Zackenberg Ecological Research Operations, 17th Annual Report, 2011. 2012; Aarhus: Aarhus University. 12–29.
   Google Scholar
• Post E. , Forchhammer M. C. , Bret-Harte M. S. , Callaghan T. V. , Christensen T. R. , co-authors . Ecological dynamics across the Arctic associated with recent climate change. Science. 2009; 325: 1355–1358.
   PubMed Web of Science ®Google Scholar
• Priestley C. H. B. , Taylor R. J . On the assessment of surface heat flux and evaporation using large–scale parameters. Mon. Weather Rev. 1972; 100: 81–92.
   Web of Science ®Google Scholar
• Romanovsky V. E. , Drozdov D. S. , Oberman N. G. , Malkova G. V. , Kholodov A. L. , co-authors . Thermal state of permafrost in Russia. Permafrost Periglac. Process. 2010; 21: 136–155.
   Web of Science ®Google Scholar
• Rouse W. R . Microclimate of Arctic tree line: 2. Soil microclimate of tundra and forest. Water Resour. Res. 1984; 20: 67–73.
   Web of Science ®Google Scholar
• Rouse W. R. , Carlson D. W. , Weick E. J . Impacts of summer warming on the energy and water balance of wetland tundra. Clim. Change. 1992; 22: 305–326.
   Web of Science ®Google Scholar
• Rouse W. R. , Eaton A. K. , Petrone R. M. , Boudreau L. D. , Marsh P. , co-authors . Seasonality in the surface energy balance of tundra in the Lower Mackenzie River basin. J. Hydrometeorol. 2003; 4: 673–679.
   Web of Science ®Google Scholar
• Rouse W. R. , Hardill S. G. , Lafleur P . The energy balance in the coastal environment of James Bay and Hudson Bay during the growing season. J. Climatol. 1987; 7: 165–179.
   Web of Science ®Google Scholar
• Schmidt N. M. , Kristensen D. K. , Michelsen A. , Bay C . High Arctic plant community responses to a decade of ambient warming. Biodiversity. 2012; 13: 191–199.
   Google Scholar
• Screen J. A. , Deser C. , Simmonds I . Local and remote controls on observed Arctic warming. Geophys. Res. Lett. 2012; 39: L10709.
   Web of Science ®Google Scholar
• Screen J. A. , Simmonds I . The central role of diminishing sea ice in recent Arctic temperature amplification. Nature. 2010; 464: 1334–1337.
   PubMed Web of Science ®Google Scholar
• Serreze M. C. , Barry R. G . Processes and impacts of Arctic amplification: a research synthesis. Glob. Planet. Change. 2011; 77: 85–96.
   Web of Science ®Google Scholar
• Shuttleworth W. J . Putting the ‘vap’ into evaporation. Hydrol. Earth Syst. Sci. 2007; 11: 210–244.
   Web of Science ®Google Scholar
• Soegaard H. , Hasholt B. , Friborg T. , Nordstroem C . Surface energy-and water balance in a high-arctic environment in NE Greenland. Theor. Appl. Climatol. 2001; 70: 35–51.
   Web of Science ®Google Scholar
• Soegaard H. , Nordstroem C. , Friborg T. , Hansen B. U. , Christensen T. R. , co-authors . Trace gas exchange in a high-arctic valley: 3. Integrating and scaling CO2 fluxes from canopy to landscape using flux data, footprint modeling and remote sensing. Global Biogeochem. Cycles. 2000; 14: 725–744.
   Web of Science ®Google Scholar
• Stendel M. , Christensen J. H. , Petersen D . Arctic climate and climate change with a focus on Greenland. Adv. Ecol. Res. 2008; 40: 13–43.
   Web of Science ®Google Scholar
• Twine T. E. , Kustas W. P. , Norman J. M. , Cook D. R. , Houser P. R. , co-authors . Correcting eddy-covariance flux underestimates over a grassland. Agric. For. Meteorol. 2000; 103: 279–300.
   Web of Science ®Google Scholar
• Vourlitis G. , Oechel W . Eddy covariance measurements of CO2 and energy fluxes of an Alaskan tussock tundra ecosystem. Ecology. 1999; 80: 686–701.
   Web of Science ®Google Scholar
• Webb E. K. , Pearman G. I. , Leuning R . Correction of flux measurements for density effects due to heat and water vapor transfer. Q. J. Roy. Meteorol. Soc. 1980; 106: 85–100.
   Web of Science ®Google Scholar
• Weick E. J. , Rouse W. R . Advection in the coastal Hudson Bay lowlands, Canada. I. The terrestrial surface energy balance. Arct. Alp. Res. 1991; 23: 328–337.
   Web of Science ®Google Scholar
• Weller G. , Holmgren B . The microclimates of the arctic tundra. J. Appl Meteorol. 1974; 13: 854–862.
   Google Scholar
• Westermann S. , Lüers J. , Langer M. , Piel K. , Boike J . The annual surface energy budget of a high-arctic permafrost site on Svalbard, Norway. Cryosphere. 2009; 3: 245–263.
   Web of Science ®Google Scholar
• Wilson K. , Goldstein A. , Falge E. , Aubinet M. , Baldocchi D. , co-authors . Energy balance closure at FLUXNET sites. Agric. For. Meteorol. 2002; 113: 223–243.
   Web of Science ®Google Scholar