Atmospheric science: Unexpected changes to the global methane budget over the past 2000 years

Science

Volumn 309, Issue 5741, 2005, Pages 1714-1717

  Ferretti, D F ^a,b   Miller, J B ^c   White, J W C ^a   Etheridge, D M ^d   Lassey, K R ^b   Lowe, D C ^b   MacFarling Meure, C M ^d   Dreier, M F ^a   Trudinger, C M ^d   Van Ommen, T D ^e   Langenfelds, R L ^d  

^a UNIVERSITY OF COLORADO   (United States)

^b NATIONAL INSTITUTE OF WATER AND ATMOSPHERIC RESEARCH   (New Zealand)

^c NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

^d CSIRO   (Australia)

^e ANTARCTIC CLIMATE AND ECOSYSTEMS COOPERATIVE RESEARCH CENTRE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

BIOMASS; CARBON; CLIMATE CHANGE; GAS EMISSIONS; ISOTOPES; MATHEMATICAL MODELS;

BIOMASS BURNING EMISSIONS; HOLOCENE;

METHANE;

CARBON; METHANE; STABLE ISOTOPE;

ATMOSPHERIC CHEMISTRY; CLIMATE CHANGE; METHANE;

ANTARCTICA; ARTICLE; ATMOSPHERE; BIOMASS; CLIMATE; COMBUSTION; GLOBAL CHANGE; LATE HOLOCENE; PRIORITY JOURNAL; RESEARCH;

EID: 24644480916     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1115193     Document Type: Article

References (36)

1. R. A. Rasmussen, M. A. K. Khalil, J. Geophys. Res. 89, 11599 (1984).
2. D. M. Etheridge, L. P. Steele, R. J. Francey, R. L. Langenfelds, J. Geophys. Res. 103, 15979 (1998).
3. J. R. Petit et al., Nature 399, 429 (1999).
4. S. Subak, Chemosphere 29, 843 (1994).
5. W. F. Ruddiman, Clim. Change 61, 261 (2003).
6. H. Craig, C. C. Chou, J. A. Welhan, C. M. Stevens, A. Engelkemeir, Science 242, 1535 (1988).
7. D. C. Lowe, M. R. Manning, G. W. Brailsford, A. M. Bromley, Geophys. Res. Lett. 24, 857 (1997).
8. T. Sowers et al., Global Biogeochem. Cycles 19, 101029/2004GB002408 (2005).
9. M. Bräunlich et al., J. Geophys. Res. 106, 20465 (2001).
10. R. J. Francey et al., J. Geophys. Res. 104, 23631 (1999).
11. Materials and methods are available as supporting material on Science Online.
12. D. Ferretti et al., in preparation.
13. K. R. Lassey, D. C. Lowe, M. R. Manning, Global Biogeochem. Cycles 14, 41 (2000).
14. J. B. Miller, thesis, University of Colorado at Boulder (1999).
15. S. Houweling, F. Dentener, J. Lelieveld, J. Geophys. Res. 105, 17243 (2000).
16. J. A. van Aardenne, F. J. Dentener, J. G. J. Olivier, C. G. M. Klein Goldewijk, J. Lelieveld, Global Biogeochem. Cycles 15, 909 (2001).
17. Y. Wang, D. J. Jacob, J. Geophys. Res. 103, 31123 (1998).
18. 4] would vary by ∼4 ppb.
19. G. Etiope, Atmos. Environ. 38, 3099 (2004).
20. D. W. Woodcock, P. V. Wells, Chemosphere 29, 935 (1994).
21. K. Anderson, Chemosphere 29, 913 (1994).
22. 4 uncertainties during ice-core extraction, analysis, and calibration.
23. D. Verschuren, R. Laird, D. F. Cumming, Nature 403, 410 (2000).
24. G. Ren, Geophys. Res. Lett. 25, 1931 (1998).
25. C. Carcaillet et al., Chemosphere 49, 845 (2002).
26. D. Hallett, R. Mathewes, R. Walker, Holocene 13, 751 (2003).
27. T. W. Swetnam, Science 262, 885 (1993).
28. J. Savarino, M. Legrand, J. Geophys. Res. 103, 8267 (1998).
29. P. D. Jones, M. E. Mann, Rev. Geophys. 42, 2003RG000143 (2004).
30. A. Moberg, D. M. Sonechkin, K. Holmgren, N. M. Datsenko, W. Karlen, Nature 433, 613 (2005).
31. M. O. Andreae, P. Merlet, Global Biogeochem. Cycles 15, 955 (2001).
32. C. McEvedy, R. Jones, Atlas of World Population History (Penguin, London, 1978), pp. 368.
33. W. Denevan, The Native Population of the Americas in 1492 (Univ. of Wisconsin Press, Madison, WI, 1992), pp. 386.
34. B. Glaser, L. Haumaier, G. Guggenberger, W. Zech, Naturwissenchaften 88, 37 (2001).
35. C. MacFarling Meure, thesis, University of Melbourne (2004).
36. We thank the staff of the Australian Antarctic Program, especially Casey Station, for field support; A. Smith for firn-air sampling assistance; the Bureau of Meteorology (Australia) for Cape Grim archive-air collection assistance; R. Francey, P. Steele, C. Allison, and S. Coram at CSIRO for logistical and technical help; and especially B. Ruddiman and B. Allan for valuable discussions. Supported by NSF (grant no. OPP0087357); NOAA/Climate Modeling and Diagnostics Laboratory; NIWA, New Zealand (Foundation for Research Science and Technology grant no. C01X0204); and the Australian Government's Antarctic Climate and Ecosystems Cooperative Research Centre and CSIRO Atmospheric Research.