Stochastic Precipitation Downscaling with the RainFARM Method


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Documentation for package ‘rainfarmr’ version 0.1

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agg Aggregation using box-averaging
downscale Downscale a precipitation field
fft2d Compute spatial Fourier power spectrum
fitslope Compute logarithmic slope of a spatial power spectrum
gaussianize Gaussianize field using rank ordering
initmetagauss Generate the spectral amplitudes for a metagaussian field
interpola Interpolate field using nearest neighbors
lon_lat_fine Linear interpolation of longitude and latitude vectors to higher resolution
mergespec Spectral merging of a coarse field and of a fine field at a given wavenumber
metagauss Generate a metagaussian field
rainfarm Perform RainFARM downscaling
remapcon Conservative remapping
rfweights Derive weights from a fine-scale precipitation climatology
smoothconv Smoothening using convolution with a circular kernel