2006 Fall Meeting          
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Cite abstracts as Author(s) (2006), Title, Eos Trans. AGU,
87
(52), Fall Meet. Suppl., Abstract xxxxx-xx

HR: 0800h
AN: B51C-0316
TI: Preliminary Results from the CCSM Carbon-Land Model Intercomparison Project (C- LAMP)
AU: * Hoffman, F M
EM: forrest@climate.ornl.gov
AF: Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831 United States
AU: Fung, I
EM: ifung@berkeley.edu
AF: UC Berkeley, McCone Hall, Berkeley, CA 94720 United States
AU: Randerson, J
EM: jranders@uci.edu
AF: UC Irvine, Croul Hall, Irvine, CA 92697 United States
AU: Thornton, P
EM: thornton@ucar.edu
AF: NCAR, P.O. Box 3000, Boulder, CO 80307 United States
AU: Stöckli, R
EM: stockli@atmos.colostate.edu
AF: Colorado State University, Dept. of Atmsopheric Sciences, Fort Collins, CO 80523 United States
AU: Heinsch, F
EM: faithann@ntsg.umt.edu
AF: U. Montana, NTSG, Missoula, MT 59812 United States
AU: Running, S
EM: swr@ntsg.umt.edu
AF: U. Montana, NTSG, Missoula, MT 59812 United States
AU: Hibbard, K
EM: kathyh@ucar.edu
AF: NCAR, P.O. Box 3000, Boulder, CO 80307 United States
AU: John, J
EM: jasmin@atmos.berkeley.edu
AF: UC Berkeley, McCone Hall, Berkeley, CA 94720 United States
AU: Covey, C
EM: covey1@llnl.gov
AF: LLNL, PCMDI, Livermore, CA 94550 United States
AU: Foley, J
EM: jfoley@wisc.edu
AF: U. Wisconsin, SAGE, Madison, WI 53726 United States
AU: Post, W M
EM: wmp@ornl.gov
AF: Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831 United States
AU: Hargrove, W W
EM: hnw@fire.esd.ornl.gov
AF: Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831 United States
AU: Erickson, D J
EM: ericksondj@ornl.gov
AF: Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831 United States
AU: Mahowald, N
EM: mahowald@ucar.edu
AF: NCAR, P.O. Box 3000, Boulder, CO 80307 United States
AB: The Biogeochemistry Working Group for the National Center for Atmospheric Research (NCAR) Community Climate System Model (CCSM) has initiated an intercomparison of terrestrial biosphere models running within the CCSM framework. Called the CCSM Carbon-Land Model Intercomparison Project (C-LAMP), its purpose is to allow the U.S. scientific community to evaluate the performance of biogeochemical cycling models within CCSM and to identify the most important processes for inclusion in a biosphere model participating in simulations supporting the IPCC Fifth Assessment Report (AR5). Three terrestrial biogeochemistry modules coupled to CCSM---CLM3-CASA', CLM3-CN, and LSX-IBIS---will be evaluated following a set of carefully crafted experiments that build upon the C4MIP Phase 1 protocol. In Experiment 1, the models will be forced with an improved NCAR/NCAR reanalysis data set, while in Experiment 2, the models will be coupled to the Community Atmosphere Model Version 3 (CAM3) with carbon, water, and energy exchanges over the 20th century. In order to quickly verify and validate the performance of these biogeochemistry models against high quality observations, a set of offline runs for Fluxnet tower sites have been performed using observed meteorology. Certain biogeochemical, hydrological, physiological, and radiation fields have been saved hourly for intercomparison across models and with high frequency tower measurements. An analysis of the offline flux tower runs will be presented along with preliminary results from the global experiments run within the CCSM framework. Model results will be made available by the Program for Climate Model Diagnosis and Intercomparison (PCMDI) via the Earth System Grid (ESG), and this presentation will include an invitation for community participation in the analysis and evaluation of the model results. C-LAMP is a subproject of the Computational Climate Science End Station headed by Dr. Warren Washington, using computing resources at the National Center for Computational Sciences (NCCS).
UR: http://climate.ornl.gov/bgcmip
DE: 0322 Constituent sources and sinks
DE: 0414 Biogeochemical cycles, processes, and modeling (0412, 0793, 1615, 4805, 4912)
DE: 0426 Biosphere/atmosphere interactions (0315)
DE: 0428 Carbon cycling (4806)
DE: 0439 Ecosystems, structure and dynamics (4815)
SC: Biogeochemistry [B]
MN: 2006 Fall Meeting


Acknowledgements
Research partially sponsored by the 1) Climate Change Research Division (CCRD) of the Office of Biological and Environmental Research (OBER), and 2) Mathematical, Information, and Computational Sciences (MICS) Division of the Office of Advanced Scientific Computing Research (OASCR) within the U.S. Department of Energy's Office of Science (SC). This research used resources of the National Center for Computational Science (NCCS) at Oak Ridge National Laboratory (ORNL) which is managed by UT-Battelle, LLC, for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725.
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