Viacheslav Shalisko blog: August 2018

Aug 28, 2018

How to downscale temperature raster with higher resolution Digial Elevation Model

Transform low resolution to high, with statistical predictor.

From this:

To this:

Useful example with code in Rmd. Full script @GitHub

Load requiered libraries.

```{r setup, include=FALSE}
library(sp)
library(raster)
```

Some magic happens here - Check the full code @GitHub.

Store the result in GeoTIFF.

```{r save-downscaled-raster}
    # write GeoTIFF with float 32 and LZW compression
    writeRaster(corrected_raster, filename=paste(basepath, 
    '/' ,basename ,'.tif',sep=''), format="GTiff", overwrite=TRUE, 
    datatype = 'FLT4S', options=c("COMPRESS=LZW"))
```