Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming

  title={Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming},
  author={Katey Walter and Sergey A. Zimov and Jefrey P. Chanton and David L. Verbyla and F Stuart Chapin},
Large uncertainties in the budget of atmospheric methane, an important greenhouse gas, limit the accuracy of climate change projections. Thaw lakes in North Siberia are known to emit methane, but the magnitude of these emissions remains uncertain because most methane is released through ebullition (bubbling), which is spatially and temporally variable. Here we report a new method of measuring ebullition and use it to quantify methane emissions from two thaw lakes in North Siberia. We show that… Expand
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