The twentieth-century migration of parabolic dunes and wetland formation at Cape Cod National Sea Shore, Massachusetts, USA

Landscape response to a legacy of environmental disturbance

Steven L. Forman, Zhanay Sagintayev, Mohamed Sultan, Stephen Smith, Richard Becker, Margaret Kendall, Liliana Marìn

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Cape Cod, an early North American colony, was covered by mature forest prior to European contact but, with settlement in the late seventeenth century, aeolian processes dominated into the twenty-first century. An aerial photographic time series from AD 1938 to 2003 quantifies dune movement that reflects processes over centuries and documents accelerated parabolic dune movement at ∼4 m/yr from 1938 to 1977 during a drier interval. In contrast, dune movement between 1987 and 2003 slowed to ∼1 m/yr with wetter conditions. Wetlands expand post dune movement often forming in dune blowouts with seasonally wet conditions. Stratigraphic studies, coupled with optically stimulated luminescence ages, place erosion and burial of the pre-settlement forest soil by migrating dunes at AD 1690 ± 40 yr, with aeolian deposition continuing into the nineteenth and twentieth centuries, consistent with the historic record of land surface conditions. A threshold of landscape stability was exceeded in the late seventeenth to early eighteenth centuries, indicated by dune formation in response to human-induced land-cover changes, concomitant severe droughts and exposure to tropical storm/hurricane windfield. Dune orientation indicates preferential movement during winter with winds dominantly from the W-NW and with reduced vegetation cover. The present high biodiversity in interdunal wetlands is a legacy of aeolian processes from landscape disturbance initiated by European settlers in the seventeenth century.

Original languageEnglish
Pages (from-to)765-774
Number of pages10
JournalHolocene
Volume18
Issue number5
DOIs
Publication statusPublished - Aug 2008
Externally publishedYes

Fingerprint

environmental disturbance
twentieth century
dune
wetland
seventeenth century
eolian process
dune formation
eighteenth century
twenty first century
luminescence
sea
Wetlands
nineteenth century
hurricane
forest soil
vegetation cover
land surface
land cover
drought
biodiversity

Keywords

  • Cape Cod
  • Historic landscape disturbance
  • Holocene aeolian activity
  • Massachusetts
  • Parabolic dunes
  • Remote sensing
  • Wetland formation

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Global and Planetary Change
  • Ecology
  • Palaeontology

Cite this

The twentieth-century migration of parabolic dunes and wetland formation at Cape Cod National Sea Shore, Massachusetts, USA : Landscape response to a legacy of environmental disturbance. / Forman, Steven L.; Sagintayev, Zhanay; Sultan, Mohamed; Smith, Stephen; Becker, Richard; Kendall, Margaret; Marìn, Liliana.

In: Holocene, Vol. 18, No. 5, 08.2008, p. 765-774.

Research output: Contribution to journalArticle

Forman, Steven L. ; Sagintayev, Zhanay ; Sultan, Mohamed ; Smith, Stephen ; Becker, Richard ; Kendall, Margaret ; Marìn, Liliana. / The twentieth-century migration of parabolic dunes and wetland formation at Cape Cod National Sea Shore, Massachusetts, USA : Landscape response to a legacy of environmental disturbance. In: Holocene. 2008 ; Vol. 18, No. 5. pp. 765-774.
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