Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling

The adaptive hydraulics (AdH) numerical code was applied to study tidal propagation in the Lower Columbia River (LCR) estuary. The results demonstrate the readiness of this AdH model towards the further study of hydrodynamics in the LCR. The AdH model accurately replicated behavior of the tide as it...

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Main Authors: Gaurav Savant, Tate O. McAlpin
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Journal of Engineering
Online Access:http://dx.doi.org/10.1155/2014/416914
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author Gaurav Savant
Tate O. McAlpin
author_facet Gaurav Savant
Tate O. McAlpin
author_sort Gaurav Savant
collection DOAJ
description The adaptive hydraulics (AdH) numerical code was applied to study tidal propagation in the Lower Columbia River (LCR) estuary. The results demonstrate the readiness of this AdH model towards the further study of hydrodynamics in the LCR. The AdH model accurately replicated behavior of the tide as it propagated upstream into the LCR system. Results show that the MSf tidal component and the M4 overtidal component are generated in the middle LCR and contain a substantial amount of tidal energy. An analysis was performed to determine the causes of MSf tide amplification, and it was found that approximately 80% of the amplification occurs due to nonlinear interaction between the M2 and the S2 tidal components.
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spelling doaj-art-9805d625d9dd414faeb04a7daff77b1d2025-08-20T02:10:08ZengWileyJournal of Engineering2314-49042314-49122014-01-01201410.1155/2014/416914416914Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics ModelingGaurav Savant0Tate O. McAlpin1Research Water Resources Engineer, Dynamic Solutions LLC, 6421 Deane Hill Drive, Suite 1, TN 37919, USAResearch Physicist, Engineer Research and Development Center, US Army Corps of Engineers, 3909 Halls Ferry Road, MS 39180, USAThe adaptive hydraulics (AdH) numerical code was applied to study tidal propagation in the Lower Columbia River (LCR) estuary. The results demonstrate the readiness of this AdH model towards the further study of hydrodynamics in the LCR. The AdH model accurately replicated behavior of the tide as it propagated upstream into the LCR system. Results show that the MSf tidal component and the M4 overtidal component are generated in the middle LCR and contain a substantial amount of tidal energy. An analysis was performed to determine the causes of MSf tide amplification, and it was found that approximately 80% of the amplification occurs due to nonlinear interaction between the M2 and the S2 tidal components.http://dx.doi.org/10.1155/2014/416914
spellingShingle Gaurav Savant
Tate O. McAlpin
Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
Journal of Engineering
title Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
title_full Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
title_fullStr Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
title_full_unstemmed Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
title_short Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
title_sort tidal hydrodynamics in the lower columbia river estuary through depth averaged adaptive hydraulics modeling
url http://dx.doi.org/10.1155/2014/416914
work_keys_str_mv AT gauravsavant tidalhydrodynamicsinthelowercolumbiariverestuarythroughdepthaveragedadaptivehydraulicsmodeling
AT tateomcalpin tidalhydrodynamicsinthelowercolumbiariverestuarythroughdepthaveragedadaptivehydraulicsmodeling