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Morphodynamics of the Morfa Dyffryn coastal dunes, mid-Wales: photographic survey 1988–2007

dc.contributor.authorMillington, Jennifer A.
dc.contributor.authorFullen, Michael A.
dc.contributor.authorMoore, Glenis M.
dc.contributor.authorBooth, Colin A.
dc.contributor.authorTrueman, Ian C.
dc.contributor.authorWorsley, Annie T.
dc.contributor.authorRichardson, Nigel
dc.date.accessioned2008-11-25T14:36:11Z
dc.date.available2008-11-25T14:36:11Z
dc.date.issued2008
dc.identifier.citationIn: Brebbia, C.A. (ed), Environmental Problems in Coastal Regions VII. Transactions of the Wessex Institute, Wessex Institute of Technology, UK. 256 pp.
dc.identifier.issn17464498
dc.identifier.issn17433509
dc.identifier.doi10.2495/CENV080201
dc.identifier.urihttp://hdl.handle.net/2436/41414
dc.description.abstractIn this 20-year case study on the Morfa Dyffryn dunes, Gwynedd, mid-Wales (National Grid Reference: SH563240), straightforward and inexpensive photography, from fixed points and angles, proved useful for monitoring the evolution and migration of dynamic dune landforms. The mobile foredunes are particularly dynamic with cyclical morphological development paralleling an overall landward recession, evident by exposure of a World War II bunker in 1995. A cyclical trend is documented through photosets. The dune meadow has undergone cyclical patterns of sand encroachment, followed by stabilization by vegetation, while the fixed hind dunes remain stable. A general relationship between foredune morphology and erosion/accretion processes has been established, offering the prospect of predicting future dune morphological changes.
dc.language.isoen
dc.publisherWIT Press
dc.relation.urlhttp://library.witpress.com/pages/PaperInfo.asp?PaperID=18821
dc.subjectAccretion processes
dc.subjectSand dunes
dc.subjectCoastal dunes
dc.subjectPhotographic survey
dc.subjectErosion
dc.subjectPedogenic development
dc.subjectCoastal change
dc.titleMorphodynamics of the Morfa Dyffryn coastal dunes, mid-Wales: photographic survey 1988–2007
dc.title.alternativeEnvironmental Problems in Coastal Regions VII
dc.typeJournal article
html.description.abstractIn this 20-year case study on the Morfa Dyffryn dunes, Gwynedd, mid-Wales (National Grid Reference: SH563240), straightforward and inexpensive photography, from fixed points and angles, proved useful for monitoring the evolution and migration of dynamic dune landforms. The mobile foredunes are particularly dynamic with cyclical morphological development paralleling an overall landward recession, evident by exposure of a World War II bunker in 1995. A cyclical trend is documented through photosets. The dune meadow has undergone cyclical patterns of sand encroachment, followed by stabilization by vegetation, while the fixed hind dunes remain stable. A general relationship between foredune morphology and erosion/accretion processes has been established, offering the prospect of predicting future dune morphological changes.


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