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publications > scientific investigations report > water flow and nutrient flux from five estuarine rivers > computation of discharge > cross-sectional relation Computation of Discharge
Cross-Sectional Area RelationRiver station cross-section bathymetry was measured using a 200 kHz recording fathometer. Cross-section elevation data not measured directly with the fathometer were measured using stadia rod and laser distance measurements. Water-level data were used with cross-section bathymetry data to determine cross-sectional area for any given water level. The water-level to cross-sectional area relation equations are shown in table 2.
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U.S. Department of the Interior, U.S. Geological Survey
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Last updated: 31 March, 2005 @ 01:16 PM (KP)