Methane flux from northern peatlands

  title={Methane flux from northern peatlands},
  author={Robert C. Harriss and Eville Gorham and Daniel I. Sebacher and Karen B. Bartlett and Patricia A. Flebbe},
The concentration of methane (CH4) in the global troposphere is increasing. Ambient air measurements document an approximate rate of increase of 1–2% yr−1 over the past decade1–4. Measurements of CH4 in air bubbles trapped in polar ice indicate that tropospheric concentrations of CH4 several hundred years ago may have been ∼45% of present levels5–7. To understand and assess possible causes of the atmospheric CH4 increase requires improved quantitative knowledge of global sources and sinks of… CONTINUE READING

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