Some initial sediment-associated trace element results from the City of Atlanta water-quality monitoring network
Horowitz, Arthur J.
Elrick, Kent A.
Smith, James J.
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In cooperation with the City of Atlanta, Georgia, the U.S. Geological Survey has implemented a water-quantity and -quality monitoring network that meas-ures a variety of biological and chemical constituents in water and suspended sediment. The network consists of 20 long-term monitoring sites and is intended to assess water-quality trends in response to planned infrastructural improvements. Initial results from the network indicate that nonpoint-source contributions may be more signifi-cant than point-source contributions for selected sediment associated trace elements and nutrients. There also are indications of short-term discontinuous point-source con-tributions of these same constituents during baseflow.