NDLI: Response times of salinity in relation to changes in freshwater inflows in the Lower Hillsborough River, Florida

Content Provider	Springer Nature Link
Author	Chen, XinJian Flannery, Michael S. Moore, David L.
Copyright Year	2000
Abstract	The Lower Hillsborough River, Florida is a short (16 km) riverine estuary which has a dam located at its upstream end. Salinity below the dam is influenced by freshwater that flows over or through the structure. Depending on location in the estuary, the response of salinity to changes in upstream freshwater inflows is normally not instantaneous, but lags behind the freshwater release. An analytical approach and a laterally averaged two-dimensional hydrodynamic model were used to examine the response time of salinity in the Lower Hillsborough River to changes in freshwater inflows from the upstream reservoir. A series of case studies were conducted using the model to determine how salinity in the river within one kilometer below the dam would respond to changes in freshwater inflows. The model results suggest that the time lag of salinity in the river depends on whether the upstream freshwater inflows are increasing or decreasing, as well as their magnitude. While the time lag for salinity is about six to eight days for decreasing inflows, it is much shorter for increasing inflows depending on the magnitude of the flow release.
Starting Page	735
Ending Page	742
Page Count	8
File Format	PDF
ISSN	01608347
Journal	Estuaries
Volume Number	23
Issue Number	5
Language	English
Publisher	Springer-Verlag
Publisher Date	2000-01-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Environment Ecology Geosciences Freshwater & Marine Ecology Environmental Management Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Aquatic Science Environmental Science

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