Free Content The Hydrography of Pamlico Sound

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The horizontal distribution of salinity in Pamlico Sound is influenced by wind and long-term runoff. Vertical salinity gradients are minimal (<0.7 ‰/20 feet) in the main body of the sound, intermediate (>12 ‰/20 feet) in the river mouths and maximal (>14 ‰/9 feet) in the northern part of Core Sound. Water temperature closely follows air temperature with practically no stratification. Currents in the sound resulting from wind friction reach velocities of 69 cm./sec. Currents resulting from runoff are calculated to be of the order of 0.5 cm./sec. Tidal exchange in the inlets amounts to about 220 × 106m3 per tide. This amount, equivalent to 8 times the average river flow, would produce a rise and fall over the whole sound of 5 cm. Estimates of wind “setup” at the northern end of Pamlico Sound are made.

Document Type: Research Article

Publication date: January 1, 1953

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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