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SUMMARY:Smoke and mirrors: Infrared spectroscopy and radiometry for the st
 udy of biomass burning emissions - Tom Smith (KCL)
DTSTART:20150323T141500Z
DTEND:20150323T151500Z
UID:TALK56807@talks.cam.ac.uk
CONTACT:Dr Amanda Maycock
DESCRIPTION:An average of 3.5–4.5 million square km of vegetation burns 
 in global wildfires each year. The gases and particulates released have su
 bstantial chemical and radiative impacts\, the magnitude of which depends 
 on the specific makeup and magnitude of the emissions. Full assessment of 
 the atmospheric effects of biomass burning generally requires spatio-tempo
 rally resolved data on the makeup and magnitude of the smoke emissions. Th
 is is usually obtained via multiplication of the amount of fuel consumed [
 M] by an emission factor [EFx]\, representing the amount of chemical speci
 es [x] released per kilogram of dry fuel burned.\n \nThis talk focuses on 
 the development\, evaluation and application of lab and field-deployed met
 hods based around Fourier Transform Infrared (FTIR) spectroscopy for the a
 ssessment of emission factors [EFx] for biomass burning events\, and how t
 hese can be used with remote sensing estimates of fuel consumed [M] to cal
 culate total emissions from particular regions/ecosystems. Case-studies of
  the application of the methodology to studying seasonal biomass burning e
 missions in Northern Territory\, Australia\, moorland burning in the UK\, 
 and emissions from tropical peatland fires in Southeast Asia are also pres
 ented.
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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