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Cloud & Aerosol Processes: Projects

SEAC4RS, Utapao, Thailand, 2012. The Southeast Asia Composition, Cloud, Climate Coupling Regional Study (SEAC4RS) will address key questions regarding the influence of Asian emissions on clouds, climate, and air quality as well as fundamental satellite observability of the system. Airborne measurements taken from the NASA DC-8 provide observations from near the surface to 12 km, and from the NASA ER-2 provide high altitude observations reaching into the lower stratosphere. More info...
DC3, Salina, Kansas, 2012. The Deep Convective Clouds & Chemistry (DC3) experiment investigates the impact of deep, midlatitude continental convective clouds, including their dynamical, physical, and lightning processes, on upper tropospheric composition and chemistry. Airborne measurements taken from the NASA DC-8 provide in situ observations to characterize the convective storm inflow and provide remote sensing to aid in flight planning and column characterization. Our instruments aboard the NASA DC-8 aircraft continue on to Thailand to participate in SEAC4RS. More info...
Saharan Dust, Barbados. Measurements of the optical properties of Saharan dust occur in June 2011. A ground site on the eastern most point of Barbados is an optimal location for sampling the trade winds across the Atlantic from Africa.	Ground site at Ragged Point, Barbados.
MACPEX, Houston, Texas. The Mid-latitude Airborne Cirrus Properties Experiment (MACPEX) is an airborne field campaign to investigate cirrus cloud properties and the processes that affect their impact on radiation. Utilizing the NASA WB-57 based at Ellington Field, TX, the campaign will take place in the March / April 2011 timeframe. Science flights will focus on central North America vicinity with an emphasis over the DoE ARM SGP site in Oklahoma. More info...
NACHTT, Erie, Colorado. The primary goal of Nitrogen, Aerosol Composition, and Halogens on a Tall Tower (NACHTT) is to understand vertical extent of halogen activation; interaction between mixing processes and wintertime oxidant formation. Studies commence February - March 2011 and will also evaluate the roles of HCl as tropospheric Cl- reservoir and that of aerosol thermodynamics in heterogeneous chemistry. More info...	Boulder Atmospheric Observatory Tower, Erie, CO.
CalNex 2010, Southern California. The goal of the CalNex 2010 program is to study the important issues at the nexus of the air quality and climate change problems, and to provide scientific information regarding the trade-offs faced by decision makers when addressing these two inter-related issues. The NOAA WP-3D aircraft, the R/V Atlantis ship, and several ground sites are involved in this project. The project was completed in July 2010, and data analysis is currently underway. More info...	Haze over East Los Angeles.