keith heidecorn graduate seminar in atmospheric sciences april 7, 2014
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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. Goals. 1. Learn Something New 2. Observe the Effect of the Dry & Wet Season on Land Types - PowerPoint PPT PresentationTRANSCRIPT
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Atmospheric Aerosols in Amazonia and land use change: from natural
biogenic to biomass burning conditions
Keith HeidecornGraduate Seminar in Atmospheric Sciences
April 7, 2014
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1. Learn Something New2. Observe the Effect of the Dry & Wet Season on Land Types3. Gain Insight into how Aerosols Effect more than just the Atmosphere
Goals
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Aerosol Optical DepthBlack CarbonSingle Scattering AlbedoNet Ecosystem Exchange (NEE)
Definitions
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TT34 (Central Amazon)
PVH (Southern Amazon)
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Wet Season is from January to JuneDry Season is from July to DecemberWhich Season would you expect more Land
Use Change?
Wet vs. Dry Season
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Deforestation
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Instrumentation
TSI-3080 SMPS TSI CPC MODEL 3010
MODIS SATELLITE
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Mass Concentrations of the Sites
Why?
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Black Carbon
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Median Aerosol Number Size Distributions
DOES SIZE MATTER?
YES
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Submicron Non Refractory Aerosol Composition
PVH SITE TT34 SITEWHY DIFFERENT?
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Median Scattering & Absorption Coefficients
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550 nm
637 nm
637 nm
WET DRY
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Aerosol Optical Depths (AOD)
ARE THE PEAKS DURING THE DRY OR WET SEASON?DR
Y
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Monthly Ozone
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Daily Ozone
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Carbon Monoxide
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Net Ecosystem Exchange (NEE)
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https://www.youtube.com/watch?v=mLNTJYXl9Fg
Drought of 2010
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Complexity of the ProblemLand Use Change has Altered Multiple
Systems Insights from an Interdisciplinary Approach
What Have We Learned
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Why Should We Care?
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“It is difficult to get a man to understand something, when his salary depends upon his not understanding it!” –Upton Sinclair
Questions?
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Aerosol Size Distributions
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TT34
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PVH
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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. 203-235.
“Africa.” Map. Google Earth. Google, 05 April 2014. Web. 05 April 2014. Chambers, Jeffrey. "Jeffrey Chambers' Lab Page." Jeffrey Chambers' Lab Page. N.p.,
n.d. Web. 04 Apr. 2014. "The Water Cycle : Feature Articles." The Water Cycle : Feature Articles. NASA Earth
Observatory, n.d. Web. 05 Apr. 2014. "United Kingdom Chemistry and Aerosols (UKCA) Model." Met Office. N.p., n.d. Web.
06 Apr. 2014.
References