The Valley landscape was more awash with greenery some 11,000 years ago.
covered with water; "the main deck was afloat (or awash)"; "the monsoon left the whole place awash"; "a flooded bathroom"; "inundated farmlands"; "an overflowing tub"
If the ground or a floor is awash, it is covered in water, often because of heavy rain or as the result of an accident. The bathroom floor was awash
Washed by the waves or tide; said of a rock or strip of shore, or of an anchor, etc., when flush with the surface of the water, so that the waves break over it
If a place is awash with something, it contains a large amount of it. This, after all, is a company which is awash with cash