id	keyword
hungeobull-2989	interpolation
hungeobull-2989	method
hungeobull-2989	climate
hungeobull-2989	data
hungeobull-2989	mean
hungeobull-2989	idw
hungeobull-2989	values
hungeobull-2989	point
hungeobull-2989	precipitation
hungeobull-2989	hyp
hungeobull-2989	hypsometric