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DCMIP 2012: Tracer Transport Tests in Dynamical Cores

Presented by: 
James Kent University of Michigan
Date: 
Thursday 27th September 2012 - 13:35 to 14:00
Venue: 
INI Seminar Room 1
Session Title: 
From Dynamical Cores to Operational Models
Abstract: 
We investigate the accuracy of tracer transport algorithms in dynamical cores of weather and climate models using prescribed velocity test cases. The tests make use of three-dimensional flow, with the focus on extreme deformation, horizontal-vertical coupling, and flow in the presence of orography. These tests highlight common problems associated with advection in dynamical cores. Standard error measures allow us to assess convergence rates, monotonicity, and the effects of the diffusion mechanisms in tracer transport algorithms. We will present results form the 2012 Dynamical Core Model Intercomparison Project (DCMIP) workshop.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute The Leverhulme Trust London Mathematical Society Microsoft Research NM Rothschild and Sons