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Description of ICAP

As part of EPA’s efforts to investigate the urgent issue of the relationship between air pollution and global climate change, the Intercontinental transport and Climatic effects of Air Pollutants (ICAP) project was launched in 2001. The goal of ICAP is to provide scientifically sound information leading toward developing integrated control strategies to benefit both regional air quality and climate

Phase I of ICAP (2001 - 2002) has established a better scientific foundation to address the linkage between climate change and air pollution and issues related to intercontinental transport of criteria pollutants. An advisory committee of leading scientists in the fields of Air Pollution, Climate Change and relevant issues was formed to consult with the project investigators. A workshop was held in December of 2001 to report and discuss the state of the science due to rapid expansion and progress in the field. The team of investigators of the ICAP (Phase I) conducted major activities to update emissions inventories and to characterize modeling concepts relevant to regional and global chemistry transport. Phase I concluded with a modeling protocol to address long-range transport and impacts on the regional climate.

ICAP Objectives

The objective of ICAP (Phase II; 2002 - 2003) is to conduct an assessment of long-range transport and impacts on the regional climate. Within this objective three issues are investigated: (1) the role of anthropogenic emissions originating from outside North America in U.S. air quality and the global distribution of air pollutants; (2) the role of anthropogenic emissions from the U.S. and other developed countries in determining air quality in other regions; and (3) the contributions of important source categories (e.g., biomass burning, utility sector, transportation sector) and their pollutant emissions (e.g., ozone and PM precursors, black carbon, methane) to regional air quality and climate.
Project Participants

The ICAP project, since its inspection, has been lead by a team of investigators from the Carolina Environmental Program of the University of North Carolina at Chapel Hill (UNC-CEP), Harvard University, Stanford University, and Argonne National Laboratory (ANL). In Phase II, investigators from the Center for Air Pollution Impact and Trend Analysis (CAPITA) at Washington University, and the University of Tennessee have joined the project team.
Current list of project participants.

Contact Info

For further information please contact:
Carey Jang, US / EPA, (919)-541-5638, jang.carey@epa.gov
Dennis Doll, US / EPA, (919)-541-5693, doll.dennis@epa.gov
Adel Hanna, UNC-CEP, (919) 966-1352, ahanna@unc.edu

Carolina Environmental Program

What's New

Second ICAP Workshop

October 21 - 22, 2004
Chapel Hill, NC

Workshop Presentations

Summary of the Second ICAP Workshop (PDF)

ICAP