Channelization Effects On Floodplain Functions In Western Tennessee
Author(s)
S.B. Franklin, J.A. Kupfer, S.R. Pezeshki, N. van Gestel & R.W. Gentry
Abstract
Channelization effects on floodplain functions in
western Tennessee
S.B. Franklin*, J.A. Kupfer*, S.R. Pezeshki*, N. van Gestel* &
R.W. Gentry*
* Department of Biology, University of Memphis, USA
* Department of Geography & Regional Development, University of Arizona,
USA
* Ground Water Institute, University of Memphis, USA
Abstract
We examined six river reaches in western Tennessee over a two-year period to
determine how channel alteration affected floodplain hydrology and nutrient pools.
Four sites, two depression and two non-depression, were established on the
floodplains of each river, and data on vegetation, water table depth, redox potential,
and soil and leaf nutrient pools were collected. Channelized streams had higher
mean water tables and lower soil redox potentials than non-channelized or
channelized and leveed streams. Leveed systems appeared to have mostly oxidized
soil conditions, similar to uplands. Leaf and soil nutrient pools were generally
higher in non-d
Keywords
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