Closeup of a Young Grab as the top layer of sediment is scooped off to be analyzed for chemical contaminants, organic matter, and the type of sediment (e.g., percentage of sand, silt, and clay). Image courtesy of Islands in the Sea 2002, NOAA/OER.
Closeup of a Young Grab as the top layer of sediment is scooped off to be analyzed for chemical contaminants, organic matter, and the type of sediment (e.g., percentage of sand, silt, and clay). Image courtesy of Islands in the Sea 2002, NOAA/OER.