USGS Research: Thin Skin Beneath Streams Can Power Large Improvements in Water Quality

See on Scoop.itRaising Cain

Beneath all streams and rivers is a shallow layer of sediment that is permeated by water exchange across the sediment surface. This boundary between the world of earth and water in streams is referred to by scientists as the “hyporheic” zone, from Greek words meaning “under the flow.” The hyporheic zone can be thought of as the stream’s “skin,” since it serves vital functions such as the removal of dissolved and particulate contaminants being transported by the stream.

See on www.usgs.gov

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