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Dynamics of a high-macrotidal saltmarsh tidal creek

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Title: Dynamics of a high-macrotidal saltmarsh tidal creek
Author: Schostak, Laura Elizabeth
Department: Department of Geography
Advisor: Davidson-Arnott, Robin
Abstract: This thesis investigates sedimentary processes in a temperate high-macrotidal saltmarsh tidal creek in the Bay of Fundy. The hydrodynamics and the sediment dynamics within the creek were measured with electromagnetic current meters and Optical Backscatterance$\sp{\rm TM}$ probes, temporally and spatially over tidal cycles of various heights. The measured velocities within the creek were low, rarely exceeding 0.10 m s$\sp{-1}$, and there was a general decrease in the suspended sediment concentration from the beginning of the flood tide to the end of the ebb tide. These results indicate little active erosion in the channels, implying limited creek growth. A comparison of this study to others suggests that tidal range is not the primary control of channel dynamics, but rather saltmarsh topography and creek network structure.
Date: 1998
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