id	keyword
hom-71	water
hom-71	climate
hom-71	rainfall
hom-71	land
hom-71	africa
hom-71	history
hom-71	brückner
hom-71	meteorology
hom-71	arid
hom-71	south
hom-71	murray
hom-71	ideas
hom-71	schwarz
hom-71	gessert
hom-71	precipitation
hom-71	university
hom-71	evaporation
hom-71	cycle
hom-71	new
hom-71	australia
hom-71	century