[R-sig-Geo] Downscaling a raster map

[Francesco Carotenuto]

Hi everyone,I'm looking for a method to downscale a 250x250 km wide resolution altitudemap of the past (about 3 million years ago) to a finer resolution. I would the spatialstructure of the downscaled map to resemble the actual altitude. Is there a way?Thank you,Francesco. Dr. Francesco Carotenuto (Ph.D.) Department of Earth Sciences 
Federico II University Largo S. Marcellino 10, 80138 NAPLES (ITALY) 
https://www.researchgate.net/profile/Francesco_Carotenuto
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