Chapman, C.R.Chabreck, R.H.Proceedings of the Coastal Marsh and Estuary Management Symposium, held at Louisiana State University, Baton Rouge, Louisiana, July 17-18, 1972.2010-02-152010-02-151973http://hdl.handle.net/1969.3/20597p. 235-258.Ten distinct estuarine regions of the United States contain 884 separate estuarine systems with 29.3 million surface acres of water, and excluding Alaska, 8.2 million acres of marsh. Tributary runoff influences each of the estuaries in terms of the quantity and quality of tributary water received as well as where and when it is discharged.estuariesmarsheswater qualityriver dischargeinflowtributariesThe impact on estuaries and marshes of modifying tributary runoff.Chapter