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Biogeochemistry

, Volume 21, Issue 2, pp 117–139 | Cite as

Methane emission from Arctic tundra

  • Torben R. Christensen
Article

Abstract

Concerns about a possible feedback effect on global warming following possible increased emissions of methane from tundra environments have lead to series of methane flux studies of northern wetland/tundra environments. Most of these studies have been carried out in boreal sub-Arctic regions using different techniques and means of assessing representativeness of the tundra. Here are reported a time series of CH4 flux measurements from a true Arctic tundra site. A total of 528 independent observations were made at 22 fixed sites during the summers of 1991 and 1992. The data are fully comparable to the most extensive dataset yet produced on methane emissions from sub-Arctic tundra-like environments. Based on the data presented, from a thaw-season with approximately 55% of normal precipitation, a global tundra CH4 source of 18–30 Tg CH4 yr−1 is estimated. This is within the range of 42±26 Tg CH4 yr−1 found in a similar sub-Arctic tundra environment. No single-parameter relationship between one environmental factor and CH4 flux covering all sites was found. This is also in line with conclusions drawn in the sub-Arctic. However, inter-season variations in CH4 flux at dry sites were largely controlled by the position of the water table, while flux from wetter sites seemed mainly to be controlled by soil temperature.

Key words

Arctic tundra climatic change methane budget methane emission 

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References

  1. Aselman I & Crutzen PJ (1989) Global distributions of natural freshwater wetlands and rice paddies, their net primary productivity, seasonality and possible methane emissions. J. Atmos. Chem. 8: 307–358CrossRefGoogle Scholar
  2. Bartlett KB, Crill P, Sass RC, Harriss RS & Dise NB (1992) Methane emissions from tundra environments in the Yukon-Kuskokwim Delta, Alaska. J. Geophys. Res. 97D: 16645–16660Google Scholar
  3. Christensen T (1991) Arctic and sub-Arctic soil emissions: possible implications for global climate change. Polar Record 27: 205–210CrossRefGoogle Scholar
  4. Crill PM, Bartlett KB, Harriss RC, Gorham E, Verry ES, Sebacher DI, Madzar L & Sanner W (1988) Methane flux from Minnesota peatlands. Global Biogeochem. Cycles 2: 371–384Google Scholar
  5. Dice NB (1992) Winter fluxes of methane from Minnesota peatlands. Biogeochem. 17: 71–83Google Scholar
  6. Fung I, John J, Lerner J, Matthews E, Prather M, Steele LP & Fraser PJ (1991) Threedimensional model synthesis of the global methane cycle. J. Geophys. Res. 96D: 13033–13065CrossRefGoogle Scholar
  7. IPCC (1990) Climate change. The Intergovernmental Panel on Climate Change (IPCC) Scientific Assessment. Cambridge University Press, CambridgeGoogle Scholar
  8. King GM (1990) Regulation by light of methane emissions from a wetland. Nature 345: 513–515CrossRefGoogle Scholar
  9. Kummerow J, Ellis BA, Kummerow S & Chapin FS (1983) Spring growth of shoots and roots in shrubs of an Alaskan muskeg. Am. J. Bot. 70: 1509–1515CrossRefGoogle Scholar
  10. LTER (1991) Addendum to the 1988–1990 weather data summary. Woods Hole, LTER Marine Biological Laboratory (unpublished weather report)Google Scholar
  11. Mathews E (1983) Global vegetation and land use: New high-resolution data bases for climate studies. J. Clim. Appl. Meteorol. 22: 474–487CrossRefGoogle Scholar
  12. Mathews E & Fung I (1987) Methane emission from natural wetlands: global distribution, area, and environmental characteristics of sources. Global Biogeochem. Cycles 1: 61–86Google Scholar
  13. Moore TR, Roulet N & Knowles R (1990) Spatial and temporal variations of methane flux from subarctic/northern boreal fens. Global Biogeochem. Cycles 4: 29–46Google Scholar
  14. Morrissey LA & Livingston GP (1992) Methane emission from Alaska Arctic tundra: an assessment of local spatial variability. J. Geophys. Res. 97D: 16661–16670Google Scholar
  15. NOAA (1991) Climatological Data Alaska, June–August 1991 (Volume 77, Number 6–8). National Climate Data Center, AshevilleGoogle Scholar
  16. Oremland RS & Culbertson CW (1992) Importance of methane-oxidizing bacteria in the methane budget as revealed by the use of a specific inhibitor. Nature 356: 421–423CrossRefGoogle Scholar
  17. Parkin TB (1987) Soil microsites as a source of denitrification variability. Soil Sci. Soc. Am. J. 51: 1194–1199CrossRefGoogle Scholar
  18. Post WM, Emanuel WR, Zinke PJ & Stangenberger AG (1982) Soil carbon pools and world life zones. Nature 298: 156–159CrossRefGoogle Scholar
  19. Quay PD, Stagg LK, Lansdown JM & Wilbur DO (1988) Isotopic composition of methane released from wetlands: implications for the increase in atmospheric methane. Global Biogeochem. Cycles 2: 385–397Google Scholar
  20. Quay PD, King SL, Stutsman J, Wilbur DO, Steele LP, Fung I, Gammon RH, Brown TA, Farwell GW, Grootes PM & Schmidt FH (1991) Carbon isotopic composition of atmospheric CH4: fossil and biomass burning source strengths. Global Biogeochem. Cycles 5: 25–47Google Scholar
  21. Reeburgh WS, Whalen SC & Alperin MJ (1993) The role of methylotrophy in the global CH4 budget. In: Murrell JC & Kelley DP (Eds) MIcrovial Growth on C-1 Compounds. Intercept, Andover, UKGoogle Scholar
  22. Roulet NT, Ash R & Moore TR (1992) Low Boreal Wetlands as a source of atmospheric methane. J. Geophys. Res. 97D: 3739–3749Google Scholar
  23. Sebacher DI, Harriss RC, Bartlett KB, Sebacher SM & Grice SS (1986) Atmospheric methane sources: Alaskan tundra bogs, an alpine fen, and a subarctic boreal marsh. Tellus 38B: 1–10Google Scholar
  24. Steudler PA, Bowden RD, Mellillo JM & Aber JD (1989) Influence of nitrogen fertilization on methane uptake in temperate forest soils. Nature 341: 314–316CrossRefGoogle Scholar
  25. Svensson BH & Roswall T (1984) In situ methane production from acid peat in plant communities with different moisture regimes in a subarctic mire. Oikos 43: 341–350CrossRefGoogle Scholar
  26. Walker DA, Lederer ND & Walker MD (1987) Permanent Vegetation Plots, Data Report. Department of Energy R4D Program. University of Colorado, Boulder, INSTAARGoogle Scholar
  27. Whalen SC & Reeburgh WS (1988) A methane flux time series for tundra environments. Global Biogeochem. Cycles 2: 399–409Google Scholar
  28. Whalen SC & Reeburgh WS (1990a) A methane flux transect along the Trans-Alaska Pipeline Haul Road. Tellus 42B: 237–249CrossRefGoogle Scholar
  29. Whalen SC & Reeburgh WS (1990b) Consumption of atmospheric methane by tundra soils. Nature 346: 160–162CrossRefGoogle Scholar
  30. Whalen SC & Reeburgh WS (1992) Interannual variations in tundra methane emissions: A four-year time-series at fixed sites. Global Biogeochem. Cycles 6: 139–159Google Scholar
  31. Whiting GJ & Chanton JP (1992) Plant-dependent CH4, emission in a subarctic Canadian fen. Global Biogeochem. Global Biogeochem. Cycles. 6: 225–231CrossRefGoogle Scholar
  32. Windsor J, Moore, TR & Roulet NT (1993) Episodic fluxes of methane from subarctic fens. Can. J. Soil Sci. In pressGoogle Scholar
  33. Yavitt JB, Lang GE & Sexstone AJ (1990) Methane fluxes in wetland and forest soils, beaver ponds and low-order streams of a temperate forest ecosystem. J. Geophys. Res. 95D: 22463–22474Google Scholar

Copyright information

© Kluwer Academic Publishers 1993

Authors and Affiliations

  • Torben R. Christensen
    • 1
  1. 1.Scott Polar Research InstituteUniversity of CambridgeCambridgeEngland

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