Volcanic outgassing

• Volcanic outgassing


  The release of gases during volcanic eruptions.
• Eyjafjallajökull, Iceland

  • Iceland 2010
  • 300,000 tonnes of CO2 released per day - same as Portugal or Ireland
  • Only contributed 0.3% of greenhouse gases in 2010
• Impacts of volcanic outgassing

  • Rising temperatures (short-term drop due to ash blocking clouds)
  • Increased evaporation
  • Higher levels of atmospheric moisture
  • Increased acidic rain
  • Weathers rocks and creates bicarbonates