HR: 13:40h
AN: A53F-01 INVITED    [Abstracts]
TI: Description and status of the the AC&C Initiatives
AU: * Lamarque, J
EM: lamar@ucar.edu
AF: NCAR, P.O. Box 3000, Boulder, CO 80305, United States
AU: Rasch, P
EM: pjr@ucar.edu
AF: NCAR, P.O. Box 3000, Boulder, CO 80305, United States
AU: Ravishankara, A
EM: A.R.Ravishankara@noaa.gov
AF: NOAA Earth System Research Laboratory, 325 Broadway, Boulder, CO 80305, United States
AU: Doherty, S
EM: igac.seattle@noaa.gov
AF: IGAC Executive Officer IGAC Core Project Office NOAA-PMEL, 7600 Sand Point Way NE, Seattle, WA 98115, United States
AB: To address issues specifically related to the interaction between chemistry and climate, a new initiative, "Atmospheric Chemistry and Climate Initiative" (AC&C), has been started up under the auspices of WCRP- SPARC (Stratospheric Processes and Their Role in Climate) and IGBP-IGAC (International Global Atmospheric Chemistry Project). The goal of AC&C is to improve our understanding of the processes involved in atmospheric chemistry-climate interactions and specifically to improve their representation in models. The initial approach to doing this is by helping the scientific community to define a common set of scientific themes and facilitating their execution. Four initial projects have been defined by the modeling community with the idea that they would serve as overarching themes that could be implemented through existing bodies, such as the Chemistry-Climate Model Validation activity of SPARC (CCM-Val), the global Aerosol model inter-Comparison (AeroCom), the European ACCENT project Model Inter-comParison (ACCENT-MIP), and the HTAP project (Hemispheric Transport of Atmospheric Pollutants). In addition, AC&C is relying on a newly created body (TropChem) that focuses on scientific issues around tropospheric chemistry. This presentation will describe these 4 initial projects and provide updates on their respective status. In addition, we will provide a brief description of the role structure and forthcoming goals of TropChem
DE: 0300 ATMOSPHERIC COMPOSITION AND STRUCTURE
DE: 0322 Constituent sources and sinks
DE: 0365 Troposphere: composition and chemistry
SC: Atmospheric Sciences [A]
MN: 2007 Fall Meeting