A cyclic model of foredune blowout evolution for a leeward coast: Island Beach, New Jersey

P. A. Gares, K. F. Nordstrom

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The formation and development of the foredune blowouts at Island Beach State Park, New Jersey during the period 1981 to 1991 demonstrates the cyclic evolution of these landforms. The evolution is documented with: 1) a long-term study of topographic changes in blowout form documented with systematic surveys carried out at three- to five-year intervals; and 2) a four-week field study involving the collection of wind-speed profiles and wind direction at several locations in two of the blowouts and the measurement of elevation changes resulting from significant wind events. Results show that blowouts on leeward coasts favor onshore sand movement from the beach despite the dominance of offshore winds because vegetation on the landward side of the blowouts traps sand moved onshore and stabilizes the surface against deflation by offshore winds. Feedback between dune morphology, wind flow, and vegetation produces a sequence of landform changes that are conceptualized in a model of foredune blowout development. -from Authors

Original languageEnglish (US)
Pages (from-to)1-20
Number of pages20
JournalAnnals of the American Association of Geographers
Issue number1
StatePublished - 1995

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Earth-Surface Processes


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