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WHAT'S NEW IN MCIP2?
Citation:
Otte, T L. WHAT'S NEW IN MCIP2? Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18-20, 2004.
Impact/Purpose:
The objectives of this task are to continuously develop and improve EPA's mesoscale (regional through urban scale) air quality simulation models, such as the Community Multiscale Air Quality (CMAQ) model, as air quality management and NAAQS implementation tools. CMAQ is a multiscale and multi-pollutant chemistry-transport model (CTM) that includes the necessary critical science process modules for atmospheric transport, deposition, cloud mixing, emissions, gas- and aqueous-phase chemical transformation processes, and aerosol dynamics and chemistry. To achieve the advances in CMAQ, research will be conducted to develop and test appropriate chemical and physical mechanisms, improve the accuracy of emissions and dry deposition algorithms, and to develop and improve state-of-the-science meteorology models and contributing process parameterizations.
Description:
An update to CMAQ's Meteorology/Chemistry Interface Processor Version 2 (MCIP2) will be released in August 2004 in conjunction with the next public release of the CMAQ model. MCIP2 is the pre-processor in the CMAQ system that is typically used to perform off-line linkage between meteorological models (e.g., MM5) and CMAQ. Several minor changes to the MCIP2 code will be included in the August 2004 release. Most notable changes include: 1) MCIP2 will process graupel output from advanced microphysics schemes, 2) wind speed and direction at 10 meters will be available in the output, and 3) the header variables for polar stereographic projection have been corrected. All of the changes to MCIP2 will be presented to the user community. Future plans for MCIP2 will also be discussed.
The research presented here was performed under the Memorandum of Understanding between the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Commerce's National Oceanic and Atmospheric Administration (NOAA) and under agreement number DW13921548. Although it has been reviewed by EPA and NOAA and approved for publication, it does not necessarily reflect their policies or views.