title: Rapid increase in copper concentrations in a new marina, San Diego Bay.
abstract: Concentrations of copper in water rose rapidly following the introduction of boats to a new marina in San Diego Bay. Two months after the marina reached half its capacity, a majority of water samples exceeded chronic and acute criteria for dissolved copper, and copper concentrations in several samples exceeded the highest concentrations observed in another marina that has been listed as an impaired water body. A box model suggested that a small fraction of the leached copper was sequestered in sediment. Copper concentrations in water entering the marina from the bay was more than half the chronic concentration limit, so only 50% of marina boat capacity could be accommodated without exceeding the chronic criterion more than 50% of the time. Copper concentrations in water may increase rapidly following boat introduction in small marinas, but could return to pre-introduction levels by controlling boat numbers or reducing use of copper-based paints.
authors.affiliation: San Diego State University, Department of Geography, San Diego, CA 92182, USA.
authors.forename: Trent W
authors.initials: TW
authors.lastname: Biggs
authors.forename: Heather
authors.initials: H
authors.lastname: D'Anna
mesh_terms: D061006:Bays / Q000737:chemistry*; D002140:California; D003300:Copper / Q000032:analysis*; D004784:Environmental Monitoring; D010150:Paint / Q000032:analysis / Q000706:statistics & numerical data; D012767:Ships / Q000706:statistics & numerical data; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000706:statistics & numerical data
chemical_list: D014874:Water Pollutants, Chemical; D003300:Copper