Atmospheric Aerosols in Amazonia and land use change: from natural biogenic to biomass burning conditions Keith Heidecorn Graduate Seminar in Atmospheric.

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Presentation transcript:

Atmospheric Aerosols in Amazonia and land use change: from natural biogenic to biomass burning conditions Keith Heidecorn Graduate Seminar in Atmospheric Sciences April 7, 2014

1. Learn Something New 2. Observe the Effect of the Dry & Wet Season on Land Types 3. Gain Insight into how Aerosols Effect more than just the Atmosphere Goals

Aerosol Optical Depth Black Carbon Single Scattering Albedo Net Ecosystem Exchange (NEE) Definitions

TT34 (Central Amazon)PVH (Southern Amazon)

Wet Season is from January to June Dry Season is from July to December Which Season would you expect more Land Use Change? Wet vs. Dry Season

Deforestation

Instrumentation TSI-3080 SMPS TSI CPC MODEL 3010 MODIS SATELLITE

Mass Concentrations of the Sites Why?

Black Carbon

Median Aerosol Number Size Distributions DOES SIZE MATTER?YES

Submicron Non Refractory Aerosol Composition PVH SITE TT34 SITE WHY DIFFERENT?

Median Scattering & Absorption Coefficients

550 nm 637 nm WET DRY

Aerosol Optical Depths (AOD) ARE THE PEAKS DURING THE DRY OR WET SEASON? DRY

Monthly Ozone

Daily Ozone

Carbon Monoxide

Net Ecosystem Exchange (NEE)

outube.com/w atch?v= mLNTJ YXl9Fg Drought of 2010

Complexity of the Problem Land Use Change has Altered Multiple Systems Insights from an Interdisciplinary Approach What Have We Learned

Why Should We Care?

It is difficult to get a man to understand something, when his salary depends upon his not understanding it! –Upton Sinclair Questions?

Aerosol Size Distributions

TT34

PVH

Artaxo, P., L. V. Rizzo, J. F. Brito, H. M. J. Barbosa, A. Arana, E. T. Sena, G. G. Cirino, W. Bastos, S. T. Martin, and M. O. Andreae, 2013, Atmospheric aerosols in Amazonia and land use change: from natural biogenic to biomass burning conditions: Faraday Discussions, v. 165, p Africa. Map. Google Earth. Google, 05 April Web. 05 April Chambers, Jeffrey. "Jeffrey Chambers' Lab Page." Jeffrey Chambers' Lab Page. N.p., n.d. Web. 04 Apr "The Water Cycle : Feature Articles." The Water Cycle : Feature Articles. NASA Earth Observatory, n.d. Web. 05 Apr "United Kingdom Chemistry and Aerosols (UKCA) Model." Met Office. N.p., n.d. Web. 06 Apr References