Snow melt, runoff, and erosion from these higher areas into the valley create a contrast in both the quality of soils and the availability of water within and outside the area.
(Snow; melt; ) Context(Snow melt,List([0, 9))):(Snow; melt create; a contrast in both the quality of soils and the availability of water within and outside the area)
Snow melt,List([0, 9))
Snow Snow
melt melt create
a contrast in both the quality of soils and the availability of water within and outside the area