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mainFrame.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>MPAS overview</title>
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<p id="padp"><strong>MPAS Overview</strong></p>
<p>The Model for Prediction Across Scales (MPAS) is a collaborative project for developing atmosphere, ocean and other earth-system simulation components for use in climate, regional climate and weather studies. The primary development partners are the climate modeling group at Los Alamos National Laboratory (<a href="http://climate.lanl.gov/" title="COSIM" target="_blank">COSIM</a>) and the <a href="http://www.ncar.ucar.edu/" title="NCAR" target="_blank">National Center for Atmospheric Research</a>. Both primary partners are responsible for the MPAS framework, operators and tools common to the applications; LANL has primary responsibility for the ocean and land ice models, and NCAR has primary responsibility for the atmospheric model.</p>
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<div id="padimg"><img src="files/graphics/clouds.png" width="318" height="312" /></div>
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<p>The defining features of MPAS are the unstructured <a href="http://public.lanl.gov/ringler/Voronoi.html" title="Voronoi Diagrams" target="_parent">Voronoi meshes</a> and <a href="files/graphics/cgrid.pdf" title="C-Grid" target="_blank">C-grid</a> discretization used as the basis for many of the model components. The unstructured Voronoi meshes, formally Spherical Centriodal Voronoi Tesselations (SCVTs), allow for both quasi-uniform discretization of the sphere and local refinement. The C-grid discretization, where the normal component of velocity on cell edges is prognosed, is especially well-suited for higher-resolution, mesoscale <a href="atmosphere/atmosphere.html" title="MPAS Atmosphere" target="mainFrame">atmosphere</a> and <a href="ocean/ocean.html" title="MPAS Ocean" target="mainFrame">ocean</a> simulations. The land ice model takes advantage of the SCVT-dual mesh, which is a triangular Delaunay tessellation appropriate for use with Finite-Element-based discretizations.</p>
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<p>The current MPAS release is version 7.3. Please refer to each core for changes, and to the GitHub repository for source.</p>
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