Technical note: Recursive rediscretisation of geo-scientific data in the Modular Earth Submodel System MESSyReport as inadecuate




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1 MPIC - Max Planck Institute for Chemistry

Abstract : This technical note describes a method for the rediscretisation of -gridded- geo-scientific data. A recursive algorithm NREGRID is derived to solve the rediscretisation problem for orthogonal grids including curvilinear of arbitrary dimension. The algorithm is used within the program NCREGRID to handle geo-scientific data. These data are typically 2-dimensional latitude-longitude grid, or 3-dimensional latitude-longitude grid with a vertical pressure, or hybrid pressure coordinate, as used in atmospheric modelling. NCREGRID can be used as stand-alone program for the transformation -regridding- of data from and to data files in netCDF format. Moreover, NCREGRID constitutes the core of the Modular Earth Submodel System MESSy data import interface, providing a powerful tool for accessing data independently of the applied grid resolution -automatic regridding-.





Author: P. Jöckel -

Source: https://hal.archives-ouvertes.fr/



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