Interpolation on spherical geodesic grids: A comparative study

[摘要] Most operational models in atmospheric physics, meteorology and climatology nowadays adopt spherical geodesic grids and require ad hoc developed interpolation procedures. The author does a comparison between chosen representatives of linear, distance-based and cubic interpolation schemes outlining their advantages and drawbacks in this specific application field. Numerical experiments on a standard test problem, while confirming a good performance of linear and distance-based schemes in a single interpolation step, also show their minor accuracy with respect to the cubic scheme in the more realistic simulation of advection of a meteorological field. (C) 2006 Elsevier B.V. All rights reserved.

[发布日期] 2007-12-31

[效力级别]  Proceedings Paper

[关键词] interpolation;spherical geodesic grids;numerical weather prediction