Proceedings of the National Symposium on Freshwater Inflow to Estuaries
Cross, Ralph D.
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The Proceedings include 76 scientific and management papers on the institutional and management problems of providing freshwater inflow to estuaries, documented ecological effects in estuaries of modifying freshwater inflow, and suggested measures to bring freshwater inflow into water planning. Discussion material is included in the Proceedings. The problems of freshwater inflow include reduction volume due to inland water diversions, modification of seasonal flow regimes, reduction in water quality and alteration of sediment and nutrient content. Freshwater inflow problems were identified in Raritan Bay, Chesapeake Bay, southern Florida, the Gulf of Mexico, San Francisco Bay, and the Columbia River estuary. Estuaries should be recognized in water policy decisions as high value resources for food production, recreation, aesthetics, and urban and industrial development. For planning it was recommended that optimal salinity regimes be established for the nation's estuaries with optimal sediment and hydrologic regimes as related objectives. Several papers and discussion stated the need to develop improved methods for evaluating the effects of inland river development programs on estuarine ecosystems.