id	keyword
arees-695	view
arees-695	regolith
arees-695	surface
arees-695	thickness
arees-695	vol
arees-695	water
arees-695	google
arees-695	scholar
arees-695	aquifer
arees-695	weathering
arees-695	publisher
arees-695	saprock
arees-695	study