Downloads HWSD data, wrapped by ws_subset()
for convenient use. This is a
function mainly for internal use but exposed so people can benefit from
it in other (more flexible) setups if so desired.
ws_get(location, param, path, internal = TRUE)
file with several site locations and coordinates in a comma delimited format: site, latitude, longitude
which soil parameter to use
default is tempdir()
return an internal raster or just retain values in the path
HWSD data as a raster file