Title

Observation and simulation of winds and hydrodynamics in St. Johns and Nassau Rivers

Authors

Authors

P. Bacopoulos; S. C. Hagen; A. T. Cox; W. R. Dally;S. M. Bratos

Comments

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Abbreviated Journal Title

J. Hydrol.

Keywords

Tides; River flows; Storm event; Sea level anomaly; Manning's roughness; MODEL; ESTUARIES; EQUATION; Engineering, Civil; Geosciences, Multidisciplinary; Water Resources

Abstract

Water surface elevations and daily flows are measured in the St. Johns and Nassau Rivers (north Florida) and reveal a storm event in mid-May 2009 and a sea level anomaly in June and July 2009. In an effort to reproduce these events, wind and tidally driven hydrodynamics are simulated from the deep ocean into the St. Johns and Nassau Rivers using a shallow water equations model. Calibration adjusts spatially distributed Manning's roughness based on modeled-observed discharge. For validation, the model captures the regular tidal fluctuation as well as the hydrodynamic responses of the storm event in mid-May at the six water level gaging stations. At the flow gaging station, the model captures the ebb tendency of the tide as well as a strong perturbation (flood pulse) that occurs because of the storm event in mid-May. (C) 2011 Elsevier B.V. All rights reserved.

Journal Title

Journal of Hydrology

Volume

420

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

391

Last Page

402

WOS Identifier

WOS:000301082000033

ISSN

0022-1694

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