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Two-dimensional circulation modeling of the Pamlico River estuary, North Carolina

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Abstract

A two dimensional, vertically averaged, unsteady flow model was applied to a 50- kilometer reach of the Pamlico River estuary, North Carolina. The model computational grid, which consists of about 16,000 square cells, each 200 meters on a side, was developed from more than one million depth soundings. Information from a comprehensive data-collection network, including six water-level stations, six temperature and salinity measurement stations, and one wind measurement station, was used to provide data for boundary conditions and for model calibration. Preliminary model results for this ongoing study were sensitive to the presence of a lateral water-level gradient at the downstream boundary. For the simulation period, water-level oscillations at the downstream boundary were much more important in controlling Pamlico River flows than were local winds blowing over the surface of the estuary. Average absolute differences between observed and simulated water levels at two measurement sites were less than 2 centimeters for the 8-day calibration period.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Two-dimensional circulation modeling of the Pamlico River estuary, North Carolina
ISBN:
0872628612
Year Published:
1992
Language:
English
Publisher:
Publ by ASCE
Publisher location:
New York, NY, United States
First page:
607
Last page:
619
Conference Title:
Proceedings of the 2nd International Conference on Estuarine and Coastal Modeling
Conference Location:
Tampa, FL, USA
Conference Date:
13 November 1992 through 15 November 1992