Abstract
A variety of processes and sources account for the total accumulation of sediment on a fringe marsh. The rates of accretion across Brockenberry fringe marsh at the south end of the Delmarva Peninsula, Virginia, were determined by Pb-210 radiogeochronology. Rates are governed by the surface elevation with respect to midtide elevation, the rate of sea-level rise, and outwash from the mainland. Only some portions of the fringe marsh are able to keep pace with sea-level rise and thus migrate up the mainland slope during transgression.
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Oertel, G.F., Wong, G.T.F. & Conway, J.D. Sediment accumulation at a fringe marsh during transgression, Oyster, Virginia. Estuaries 12, 18–26 (1989). https://doi.org/10.2307/1351446
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DOI: https://doi.org/10.2307/1351446