CAS ES 142 Chapter Notes - Chapter 8: Sediment Transport, Denudation, Wave Power
30 Jul 2018
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Longest barrier chains coincide with these coasts (ex: east coast) A product of the erosion and denudation of the. Appalachian mountains: length is a variable of sediment supply and wave vs. tidal energy, divided into three regions. Beach: continual sediment reworking by wave/waves/tides, most dynamic part of barrier. Exhibit lots of morphologies depending on grain size, sediment, influence of storms. Barrier interior: middle of barrier extending landward from the foredune ridge through the secondary dune system to the rear of the barrier. Consists of one or more of these elements: isolated dunes, sand sheets, washovers, blowouts, ridge and swales, ponds, and salt marsh. Landward margin: the back side of a barrier, which might abut an intertidal sand or mud flat, a salt marsh, or an open water area associated with a lagoon, bay, or tidal creek. Isolated barriers: common along glaciated coasts (ne and canada)
