id	keyword
hungeobull-2570	precipitation
hungeobull-2570	elevation
hungeobull-2570	data
hungeobull-2570	regression
hungeobull-2570	kriging
hungeobull-2570	interpolation
hungeobull-2570	relationship
hungeobull-2570	mountains
hungeobull-2570	method
hungeobull-2570	results