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The Institute for Mathematics Applied to Geosciences Theme for 2009: The Interaction of Simulation and Numerical Models

Frontiers of Geophysical Simulation

18 - 20 August 2009 Boulder, Colorado

It is undisputed that the numerical simulation of geophysical processes now plays a central role for understanding the interactions of complex natural phenomena and for making predictions when systems are perturbed.
For example, climate system models that couple physical models for the atmosphere, ocean, land and the cryosphere are used as a numerical laboratory to study how the Earth's climate system depends on feedbacks and nonlinear processes among these components. In addition a climate system model can be used to simulate future conditions and so give insight into possible effects of climate change. Supporting this broad scope of modeling are the numerical algorithms that implement the basic physical equations of fluid flow and thermodynamics and the computational science that links algorithms to particular computing architectures and makes large simulation experiments feasible. It is acknowledged that advances in modeling are now dependent on numerical and computational advances. In particular, the next generation of atmospheric models that attempt to simulate convection in the atmosphere may require a numerical framework that takes advantage of on the order of 10⁶ processors and be dynamically adaptive in resolution.

This workshop will be concerned with numerical methods and related applied mathematics as it relates to geophysical simulation. The main focus of the workshop will be the discussion and presentation of the computational and numerical ingredients that are needed for the next generation climate system models with a focus on Galerkin based space discretizations. Some of the topics include high-resolution methods, limiters, mesh generation, adaptive refinement and novel time integration techniques. Talks that are forward-looking, exploring topics that are necessary for scaling simulations are welcomed. Finally, a part of the workshop will consider the current state-of-the-art high order methods and modeling environment (HOMME) current applications, physics, future use and developments.

Venue

The workshop will be held at the National Center for Atmospheric Research, 1850 Table Mesa Drive in Boulder, Colorado on August 18 - 20, 2009.
Lectures will take place in the Main Seminar Room.

Organizing Committee

Invited Speakers

IMAGe

The Institute for Mathematics Applied to Geosciences (IMAGe) is a group within the National Center for Atmospheric Research (NCAR) for the purpose of advancing mathematical theory and its application to all facets of NCAR and the geophysical community at large. IMAGe is substantially funded by the National Science Foundation.
IMAGe is composed of four groups; the Data Assimilation Research Section, the Geophysical Statistics Project, the Turbulence Numerics Team, and the Computational Mathematics Group. For more information about IMAGe, including post-doc positions, please contact Doug Nychka.

NCAR

NCAR was formed in 1960 and has a broad interdisciplinary research program involving more that 1000 employees of which several hundred hold advanced scientific or engineering degrees. The NCAR scientific program includes nearly all aspects of the atmosphere including climate and weather, atmospheric chemistry, ecology, instrumentation, scientific computing, and economic and societal impacts of atmospheric processes.