James Hansen (PI)
Goddard Institute for Space Studies
jhansen@giss.nasa.gov

GISS Global Climate Model Development

This proposal covers the core NASA Goddard Institute for Space Studies (GISS) Global Climate Modeling Program.  In addition to this institutional modeling program, several GISS scientists and external scientists have research grants that contribute to and depend upon this core modeling program, as described in this proposal.  The thrusts in the current core program are focused on: (1) improving the modularization and parallelization of the GISS model via the NASA Earth System Modeling Framework, (2) increasing the realism of the treatment of aerosols and their interactions with clouds, (3) adopting the isopycnic ocean model of Rainer Bleck for the GISS coupled atmosphere-ocean model, (4) increasing the realism of the representation of the stratosphere, (5) developing the option for inclusion of a basic terrestrial and oceanic carbon cycle.  In addition to these thrusts, there is continuing work to improve the cloud modeling, turbulent mixing in the ocean, atmospheric radiation, turbulence in the planetary boundary layer and throughout the atmosphere, and land surface processes, as well as continuing requirements for model running, diagnostics, and provision of access to the model and data.

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