Evaluation of a digital model for estuarine water quality simulation in waste allocation studies

Water-Resources Investigations Report 78-54
By: , and 

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Abstract

Hydrologic and water-quality data were collected on 4 estuaries in Pasco, Citrus, and Pinellas Counties, Florida, to evaluate modeling results. Current and predicted waste loading of the four estuaries was simulated by use of a two-dimensional steady-state, intertidal-condition model. Concentrations of DO, carbonaceous and nitrogenous BOD, and chloride were simulated as averages over a tidal cycle. General equations for the model are based on the law of conservation of mass. Assumption of steady-state required that water-quality data for calibration be averaged over an appropriate time cycle with respect to volume and cross-section. Diurnal DO fluctuation was determined in 2 estuaries for evaluating the influence of photosynthesis and respiration. The estuary model is best applied by calibrating it for a particular set of observed conditions, and then using this calibrated model for sensitivity analyses without attempting to verify the chosen parameter values against a second set of conditions. Sensitivity analyses included dispersion coefficient , decay rates, photosynthesis, and respiration. (Woodard-USGS)

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Evaluation of a digital model for estuarine water quality simulation in waste allocation studies
Series title Water-Resources Investigations Report
Series number 78-54
DOI 10.3133/wri7854
Edition -
Year Published 1979
Language ENGLISH
Publisher U.S. Dept. of the Interior, Geological Survey,
Description v, 50 p. :ill., maps ;26 cm.
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