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Michigan Technological University

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Boreal Forest Fire Impacts On Lower Troposphere Carbon Monoxide And Ozone Levels At The Regional To Hemispheric Scales, Kateryna Lapina Jan 2009

Boreal Forest Fire Impacts On Lower Troposphere Carbon Monoxide And Ozone Levels At The Regional To Hemispheric Scales, Kateryna Lapina

Dissertations, Master's Theses and Master's Reports - Open

Tropospheric ozone (O3) and carbon monoxide (CO) pollution in the Northern Hemisphere is commonly thought to be of anthropogenic origin. While this is true in most cases, copious quantities of pollutants are emitted by fires in boreal regions, and the impact of these fires on CO has been shown to significantly exceed the impact of urban and industrial sources during large fire years. The impact of boreal fires on ozone is still poorly quantified, and large uncertainties exist in the estimates of the fire-released nitrogen oxides (NO x ), a critical factor in ozone production. As boreal fire activity is …