Current Projects:

Acquisition of Instrumentation for Enhancing Studies of Aerosol-Cloud Interactions

·        National Science Foundation Major Research Instrumentation

·        September 2005–August 2008.

Investigation of Hygroscopicity and Cloud and Ice-Nucleating Activities of Carbonaceous and Combustion-Derived Aerosol Particles

·         NASA

·         January 2006–December 2008.

Investigation of Hygroscopicity and Cloud-and-Ice Nucleating Activities of Combustion Aerosols

·        DOE-NIGEC

·        September 2005-August 2008.

Laboratory measurements of aerosol scattering and extinction properties

·        DOE-NIGEC

·        September 2006-August 2008.

Modeling studies of aerosol-cold cloud interactions

·        NASA

·        December 2005–December 2008.

Processing of Organic Aerosols by Heterogeneous and Multiphase Processes

·        NOAA

·        January 2005-December 2008.

Laboratory and Field Measurements of Aerosol Particle Effects on Cloud Ice Formation in the Amazon Basin

• NASA

• September 2004- September 2008

Airborne nitrogen concentrations and deposition in Rocky Mountain National Park

·        National Park Service

·        September 2007-August 2008.

Characterizing Wildland Fire Particulate Matter Emissions and their Air Quality/Visibility Impacts

·        National Park Service and the Joint Fire Science Program

·        September 2007- February 2009.

Improved Treatment of Atmospheric Organic Particulate Matter Concentrations from Biomass Combustion Emissions

·        Environmental Protection Agency

·        January 2008- December 2010.