Modeling of wave driven circulation and water quality in nearshore environments
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Abstract
In order to investigate the effects of nearshore discharges of water quality degrading substances and bacteria in coastal environments, models capable of predicting nearshore circulation due to local wave and tide conditions are required. One of the larger challenges to nearshore coastal modeling is accurately reproducing nearshore circulation due to wave action. Local wave action not only drives circulation through processes such as longshore transport and rip currents, but also contributes significantly to the mixing of water quality constituents. In the present work, a wave model was used to calculate radiation shear stresses and dissipation due to wave action. The shear stresses and dissipation were incorporated into a hydrodynamic model to force circulation in the nearshore environment. The model was applied to a site in Santa Cruz, CA where site specific current data was available. The model reproduces the nearshore current structure observed in the region and was used to study the transport of dredge disposal plumes in the region which could have deleterious effects on local beaches. This presentation will outline the nearshore circulation model development and application.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Modeling of wave driven circulation and water quality in nearshore environments |
| DOI | 10.1061/9780784409763 |
| Language | English |
| Publisher | ASCE |
| Description | 10 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of the 2008 world environmental and water resources congress |
| Conference Title | World Environmental and Water Resources Congress 2008 |
| Conference Location | Honolulu, HI |
| Conference Date | May 12-16, 2008 |
| Google Analytic Metrics | Metrics page |