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COSP implementation in CAM/CCSM

COSP implementation in CAM/CCSM. Example of comparisons that COSP will enable: Tropical Warm Pool CAM (left) and CloudSat-observed (right) reflectivity histograms. Jennifer E. Kay (jenkay@ucar.edu), NCAR CFMIP/COSP implementation contact with help/advice from

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COSP implementation in CAM/CCSM

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  1. COSP implementation in CAM/CCSM Example of comparisons that COSP will enable: Tropical Warm Pool CAM (left) and CloudSat-observed (right) reflectivity histograms Jennifer E. Kay (jenkay@ucar.edu), NCAR CFMIP/COSP implementation contact with help/advice from Brian Eaton, John Truesdale, Andrew Gettelman (NCAR) Yuying Zhang, Steve Klein, Jim Boyle (LLNL) below CloudSat detection threshold below CloudSat detection threshold

  2. Current Status of COSP within CAMhttp://www.cgd.ucar.edu/cms/jenkay/cosp/cosp.htm • MILESTONES ACHIEVED: • - COSP v1.3 (production version released June 25, 2010) implemented in-line within CAM4/CCSM4 using CAM I/O • - Compiles and runs with lahey or pgi fortran compiler on linux machine • Orbital sub-sampling and advanced namelist control for CFMIP experiments and ROSES09 project implemented • COSP and CAM-compatible COSP code on a branch in the CCSM repository • (https://svn-ccsm-models.cgd.ucar.edu/cam1/branches/cosp_cam4_1_01/). • STILL TO DO THIS SUMMER: • Make compatible with compilers on production platforms (e.g., bluefire, franklin) • Test implementation vs. published offline results (e.g., Zhang et al. (2010 JGR)) • Make compatible with CAM5 physics • Compare COSP implementation and results with other modeling centers (NASA, GFDL, UKMet Office) • Generate curtain output? • Put CAM modifications for COSP onto trunk in the CCSM repository • Production runs for CFMIP5 (w/Haiyan Teng, Gary Strand)

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