Presentations

Regional Smog Ozone  and Its Production Can Be Made Broadly and Inexpensively Visible! What do we need? What do we not need? Can we get this with easily implemented, robust, technology?

Harvard Earth and Planetary Science Colloquium, Sept 14, 2007.

Presentation (pdf)


Synergistic use of Tropospheric Infrared Mapping Spectrometers for air quality and global pollution studies

Presentation (ppt)

Atmospheric CO2 Budget over Amazon Basin: The Role of the Convective Systems,
Valdir Herrmann, Saulos Freitas and Robert Chatfield

(USP, CPTEC, and Ames)

Presentation (pdf)


Hg, O3, Aerosol Absorption and Extinction. Major Science Questions of the Next Decade that require SOFIA Airborne Sampling (Why mercury must be studied at the stratosphere-troposphere interface)

SOFIA Upper-Deck Research Facility (SURF) Workshop, Ames Conference Center, Mountain View, CA, June 23, 2004.

Presentation (pdf)


The Photochemistry of Ozone

Presentation (pdf)


Pollution Plume Transport of Ozone 1,000 to 10,000 km

Presentation (pdf)


A Central Role for South and Central Africa
in Global Pollutant Transport

Presentation (pdf)

Pervasive NOx in the Troposphere

Presentation (pdf)