Accelerated thawing of subarctic peatland permafrost over the last 50 years

Geophysical Research Letters

Volumn 31, Issue 18, 2004, Pages

  Payette, Serge ^a   Delwaide, Ann ^a   Caccianiga, Marco ^a   Beauchemin, Michel ^a  

^a CENTRE D ÉTUDES NORDIQUES   (Canada)

Author keywords

1630 Global change: Impact phenomena; 1823 Hydrology: Frozen ground; 1824 Hydrology: Geomorpbology (1625); 1851 Hydrology: Plant ecology; 1854 Hydrology: Precipitation (3354)

Indexed keywords

CARBON; CLIMATE CHANGE; ECOSYSTEMS; GEOPHYSICS; MONITORING; THERMAL EFFECTS;

PEATLAND SURFACE; PERMAFROST AGGRADATION;

PEAT;

CLIMATE CHANGE; PEATLAND; PERMAFROST; SNOW; THAWING;

EID: 10644225232     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2004GL020358     Document Type: Article

References (26)

1. Allard, M., and L. Rousseau (1999), The internal structure of a palsa and a peat plateau in the rivière Boniface region, Québec: Inferences on the formation of ice segregation mounds, Geogr. Phys. Quat., 53, 373-387.
2. Allard, M., and M. K. Seguin (1987), The Holocene evolution of permafrost near the tree line, on the eastern coast of Hudson Bay (northern Quebec), Can. J. Earth Sci., 24, 2206-2222.
3. Christensen, T. R., T. Johansson, H. J. Akerman, and M. Mastepanov (2004), Thawing sub-arctic permafrost: Effects on vegetation and methane emissions, Geophys. Res. Lett., 31, L04501, doi:10.1029/ 2003GL018680.
4. Crutzen, P. J., and W. Steffen (2003), How long have we been in the Anthropocene era?, Clim. Change, 61, 251-257.
5. Dionne, J. C. (1978), Formes et phénomènes pé riglaciaires en Jamésie, Québec subarctique, Geogr. Phys. Quat., 32, 187-247.
6. Gorham, E. (1991), Northern peatlands: Role in the carbon cycle and probable responses to climatic warming, Ecol. Appl., 1, 182-195.
7. Houghton, J. T., Y. Ding, D. J. Griggs, M. Noguer, P. J. van der Linden, and D. Xiaosu (2001), Climate Change 2001: The Scientific Basis, Cambridge Univ. Press, New York.
8. Laberge, M.-J., and S. Payette (1995), Long-term monitoring of permafrost change in a palsa peatland in northern Quebec, Canada: 1983-1993, Arct. Alp. Res., 27, 167-171.
9. Lagarec, D. (1982), Proceedings of the Fourth Canadian Permafrost Conference, The R. J. E. Brown Memorial Volume, edited by H. M. French, pp. 43-48, Natl. Res. Counc. of Canada, Ottawa, Ont.
10. Laprise, D., and S. Payette (1988), Évolution récente d'une tourbière à palses (Québec subarctique): Analyse cartographique et dendrochronologique, Can. J. Bot., 66, 2217-2227.
11. Lloyd, A. H., and C. L. Fastie (2003), Recent changes in treeline forest distribution and structure in interior Alaska, Ecoscience, 10, 176-185.
12. Luoto, M., and M. Seppälä (2003), Thermokarst ponds as indicators of the former distribution of palsas in Finnish Lapland, Perm. Perigl. Proc., 14, 19-27.
13. Parmesan, C., and G. A. Yohe (2003), A globally coherent fingerprint of climate change impacts across natural systems, Nature, 421, 37-42.
14. Payette, S., and L. Rochefort (Eds.) (2001), Écologie des Tourbières du Québec-Labrador, Presse de l'Université Laval, Québec, Québec, Canada.
15. Pounds, J. A., M. P. Fogden, and J. H. Campbell (1999), Biological response to climate change on a tropical mountain, Nature, 398, 611-615.
16. Samson, H. (1974), Évolution du pergélisol en milieu tourbeux en relation avec le dynamisme de la végétation, golfe de Richmond, Nouveau-Québec, M.S. thesis, Université Laval, Québec, Québec, Canada.
17. Seppälä, M. (1990), Depth of snow and frost on a palsa mire, Finnish Lapland, Geogr. Ann., 72A, 191-201.
18. Seppälä, M. (1994), Snow depth controls palsa growth, Perm. Perigl. Proc., 5, 283-288.
19. Sollid, J. L., and L. Sørbel (1998), Palsa bogs as a climatic indicator: Examples from Dovrefjell, southern Norway, Ambio, 27, 287-291.
20. Southward, A. J., S. J. Hawkins, and M. T. Burrows (1995), Seventy years' observations of changes in distribution and abundance of zooplankton and intertidal organisms in the western English Channel in relation to rising sea temperature, J. Thermal Biol., 20, 127-155.
21. Thie, J. (1974), Distribution and thawing of permafrost in the southern part of the discontinuous permafrost zone in Manitoba, Arctic, 27, 189-200.
22. Thorhallsdottir, T. E. (1994), Effects of changes in groundwater level on palsas in central Iceland, Geogr. Ann., 76A, 161-167.
23. Worsley, P., S. D. Gurney, and P. E. F. Collins (1995), Late Holocene mineral palsas and associated vegetation patterns: A case study from Lac Hendry, northern Québec, Canada and significance for European Pleistocene thermokarst, Quat. Sci. Rev., 14, 179-192.
24. Zoltai, S. C. (1972), Palsas and peat plateaus in central Manitoba and Saskatchewan, Can. J. For Res., 2, 291-302.
25. Zoltai, S. C., and C. Tarnocai (1975), Perennially frozen peatlands in the western Arctic and Subarctic of Canada, Can. J. Earth Sci., 12 28-43.
26. Zuidhoff, F. S. (2002), Recent decay of a single palsa in relation to weather conditions between 1996 and 2000 in Laivadalen, northern Sweden, Geogr. Ann., 84A, 103-111.