A flood-dominated mesotidal inlet |
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| Authors: | Duncan M FitzGerald L Kenneth Fink Jonathan M Lincoln |
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| Institution: | 1. Department of Geology, Boston University, 02215, Boston, MA
2. University of Maine, 04473, Orono, ME
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| Abstract: | Tidal inlets along the mesotidal coast of Maine contrast with those from other parts of the world by being dominated by flood-tidal currents. Analysis of the factors responsible for flood or ebb dominance indicates factors external to the backbarrier environment. We suggest that the flood dominance is caused by both a steepening of the tidal wave in the Gulf of Maine and the shallow depth of the ebb-tidal delta and spit platform. Flood currents are typically 10–20 cm/sec stronger than the ebb at the inlet throat. The flood dominance results in a significant net landward transport of sediment into the backbarrier. |
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