The objectives of this research are to take advance steps to assess the
potential impacts of sea level rise on our nation's estuarine environments
and water resources management. Specific engineering solutions to control
salinity intrusion are studied. Structure measures such as construction
of tidal barriers, tidal locks, and through long term stream flow
augmentation are investigated for their suitability.
Quantification of the extent of the impacts is accomplished by means of
computer model simulations. A laterally integrated two-dimensional. time
dependent. finite difference numerical model is used to study time-varying
tidal height. current and salinity. Through a selected estuary. parametric
studies on scenarios of projected sea level rise, stream flow,
channel roughness, change in cross-section profile, etc. are performed in
order to have an in-depth understanding of estuarine processes for cases
such as present condition versus future sea level rise, with or without
control measures. The results of the parametric studies are summarized
and engineering applications of individual control methods are discussed.
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