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Recent decreases in fossil-fuel emissions of ethane and methane derived from firn air
Open accessAbstract
Methane and ethane are the most abundant hydrocarbons in the atmosphere and they affect both atmospheric chemistry and climate. Both gases are emitted from fossil fuels and biomass burning, whereas methane (CH4) alone has large sources from wetlands, agriculture, landfills and waste water. Here we use measurements in firn (perennial snowpack) air from Greenland and Antarctica to reconstruct the atmospheric variability of ethane (C2H6) during the twentieth century. Ethane levels rose from early in the century until the 1980s, when the trend reversed, with a period of decline over the next 20 years. We find that this variability was primarily driven by changes in ethane emissions from fossil fuels; these emissions peaked in the 1960s and 1970s at 14–16 teragrams per year (1 Tg = 1012 g) and dropped to 8–10 Tg yr−1 by the turn of the century. The reduction in fossil-fuel sources is probably related to changes in light hydrocarbon emissions associated with petroleum production and use. The ethane-based fossil-fuel emission history is strikingly different from bottom-up estimates of methane emissions from fossil-fuel use, and implies that the fossil-fuel source of methane started to decline in the 1980s and probably caused the late twentieth century slow-down in the growth rate of atmospheric methane.
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- Stern, D. I. & Kaufmann, R. K. Estimates of global anthropogenic methane emissions 1860–1993. Chemosphere 33, 159–176 (1996) · DOI
- van Aardenne, J. A., Dentener, F. J., Olivier, J. G. J., Klein Goldewijk, C. G. M. & Lelieveld, J. A. 1°x1° resolution data set of historical anthropogenic trace gas emissions for the period 1890–1990. Glob. Biogeochem. Cycles 15, 909–928 (2001) · DOI · Paper page
- Dlugokencky, E. J. et al. Atmospheric methane levels off: temporary pause or a new steady-state? Geophys. Res. Lett. 30 1992 10.1029/2003GL018126 (2003) · DOI · Paper page
- Simpson, I. J., Rowland, F. S., Meinardi, S. & Blake, D. R. Influence of biomass burning during recent fluctuations in the slow growth of global tropospheric methane. Geophys. Res. Lett. 33 L22808 10.1029/2006GL027330 (2006) · DOI
- Rudolph, J. The tropospheric distribution and budget of ethane. J. Geophys. Res. 100, 11369–11381 (1995) · DOI · Paper page
- Xiao, Y. et al. Global budget of ethane and regional constraints on U.S. sources. J. Geophys. Res. 113 D21306 10.1029/2007JD009415 (2008) · DOI · Paper page
- Boissard, C., Bonsang, B., Kanakidou, M. & Lambert, G. TROPOZ II: global distributions and budgets of methane and light hydrocarbons. J. Atmos. Chem. 25, 115–148 (1996) · doi:10.1007/bf00053788
- Aydin, M. et al. Post-coring entrapment of modern air in some shallow ice cores collected near the firn-ice transition: evidence from CFC-12 measurements in Antarctic firn air and ice cores. Atmos. Chem. Phys. 10, 5135–5144 (2010) · DOI
- Faïn, X. et al. Mercury in the snow and firn at Summit Station, Central Greenland, and implications for the study of past atmospheric mercury levels. Atmos. Chem. Phys. 8, 3441–3457 (2008) · doi:10.5194/acp-8-3441-2008
- Battle, M. et al. Atmospheric gas concentrations over the past century measured in air from firn at the South Pole. Nature 383, 231–235 (1996) · DOI · Paper page
- Hsu, J., Prather, M. J. & Wild, O. Diagnosing the stratosphere-to-troposphere flux of ozone in a chemistry transport model. J. Geophys. Res. 110 D19305 10.1029/2005JD006045 (2005) · DOI
- Prather, M. J., Zhu, X., Strahan, S. E., Steenrod, S. D. & Rodriguez, J. M. Quantifying errors in trace gas species transport modeling. Proc. Natl Acad. Sci. USA 105, 19617–19621 (2008) · DOI
- Pozzer, A. et al. Observed and simulated global distribution and budget of atmospheric C2-C5 alkanes. Atmos. Chem. Phys. 10, 4403–4422 (2010) · DOI
- Dlugokencky, E. J. et al. Observational constraints on recent increases in the atmospheric CH4 burden. Geophys. Res. Lett. 36 L18803 10.1029/2009GL039780 (2009) · DOI · Paper page
- Rigby, M. et al. Renewed growth of atmospheric methane. Geophys. Res. Lett. 35 L22805 10.1029/2008GL036037 (2008) · DOI · Paper page
- Schultz, M. G. et al. Global wildland fire emissions from 1960 to 2000. Glob. Biogeochem. Cycles 22 GB2002 10.1029/2007GB003031 (2008) · DOI · Paper page
- Remer, D. S. & Jorgens, C. Ethylene economics and production forecasting in a changing environment. Eng. Process Econ. 3, 267–278 (1978) · doi:10.1016/0377-841x(78)90007-4
- Barns, D. W. & Edmonds, J. A. An Evaluation of the Relationship Between the Production and Use of Energy and Atmospheric Methane Emissions (TR047, DOE/NBB-0088P, National Technical Information Service, US Dept of Commerce, Springfield, 1990) · doi:10.2172/6970106
- Gilardoni, A. The World Market for Natural Gas; Implications for Europe (Springer, 2008) · doi:10.1007/978-3-540-68208-0
- Bousquet, P. et al. Contribution of anthropogenic and natural sources to atmospheric methane variability. Nature 443, 439–443 (2006) · DOI · Paper page
- Prinn, R. G. et al. Evidence for variability of atmospheric hydroxyl radicals over the past quarter century. Geophys. Res. Lett. 32 L07809 10.1029/2004GL022228 (2005) · DOI · Paper page
- Montzka, S. A. et al. Small interannual variability of global atmospheric hydroxyl. Science 331, 67–69 (2011) · DOI · Paper page
- Lawler, M. J. et al. Pollution-enhanced reactive chlorine chemistry in the eastern tropical Atlantic boundary layer. Geophys. Res. Lett. 36 L08810 10.1029/2008GL036666 (2009) · DOI
- Thornton, J. A. et al. A large atomic chlorine source inferred from mid-continental reactive nitrogen chemistry. Nature 464, 271–274 (2010) · DOI · Paper page
- Allan, W., Struthers, H. & Lowe, D. C. Methane carbon isotope effects caused by atomic chlorine in the marine boundary layer: global model results compared with southern hemisphere measurements. J. Geophys. Res. 112 D04306 10.1029/2006JD007369 (2007) · DOI
- Aydin, M., Williams, M. B. & Saltzman, E. S. Feasibility of reconstructing paleoatmopsheric records of selected alkanes, methyl halides, and sulfur gases from Greenland ice cores. J. Geophys. Res. 112 D07312 10.1029/2006JD008027 (2007) · doi:10.1029/2006jd008027
- Prather, M. et al. in Climate Change 2001: The Scientific Basis (eds Hougton, J. T. et al.) (Cambridge Univ. Press, 2001)
- MacFarling Meure, C. et al. Law Dome CO2, CH4, and N2O ice core records extended to 2000 years BP. Geophys. Res. Lett. 33 L14810 10.1029/2006GL026152 (2006) · DOI · Paper page
- Tang, Q. & Prather, M. J. Correlating tropospheric column ozone with tropopause folds: the Aura-OMI satellite data. Atmos. Chem. Phys. 10, 9681–9688 (2010) · DOI
- Andreae, M. O. & Merlet, P. Emission of trace gases and aerosols from biomass burning. Glob. Biogeochem. Cycles 15, 955–966 (2001) · DOI · Paper page
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Self-citation
Metadata
- Authors
- Aydin, M., Verhulst, K. R., Saltzman, E. S., Battle, M. O., Montzka, S. A., Blake, D. R., Tang, Q., & Prather, M. J.
- Venue
- Nature
- Published
- 2011-08
- Volume
- 476
- Issue
- 7359
- Pages
- 198-201
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2055535751
- Cited by
- 174
- References
- 0
- FWCI
- 14.45
- Type
- journal article
- Language
- en
- Open access
- green
- Licence
- www.springer.com/tdm (tdm)
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