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LONG-TERM MODELLING OF AEOLIAN TRANSPORT AND BEACH-DUNE EVOLUTION

Fredriksson, Caroline LU ; Larson, Magnus LU and Hanson, Hans LU (2017) Coastal dynamics 2017 p.715-726
Abstract
A model to simulate long-term beach-dune evolution due to interacting longshore and cross-shore sediment transport processes is developed and tested. The work builds on a cross-shore model (CSM) previously developed at Lund University and includes changes to the equations describing aeolian transport and morphological evolution. The modifications are mainly based on existing conceptual geomorphological models which are translated into a numerical model, dealing with aeolian transport rates, transport limiting factors, and dune evolution under positive, negative, or stable beach sediment budgets. CSM is tested against a seven year data set of morphological evolution and sediment
grain-size samples from Ängelholm Beach, Sweden. Results... (More)
A model to simulate long-term beach-dune evolution due to interacting longshore and cross-shore sediment transport processes is developed and tested. The work builds on a cross-shore model (CSM) previously developed at Lund University and includes changes to the equations describing aeolian transport and morphological evolution. The modifications are mainly based on existing conceptual geomorphological models which are translated into a numerical model, dealing with aeolian transport rates, transport limiting factors, and dune evolution under positive, negative, or stable beach sediment budgets. CSM is tested against a seven year data set of morphological evolution and sediment
grain-size samples from Ängelholm Beach, Sweden. Results show a satisfactory fit between the simulated and observed evolution, although not all processes could be validated due to the limited temporal extent of the data set. (Less)
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author
; and
organization
publishing date
type
Contribution to conference
publication status
published
subject
keywords
aeolian transport, dunes, long-term modelling, sea level rise, beach-dune interaction, cross-shore processes
pages
715 - 726
conference name
Coastal dynamics 2017
conference location
Helsingør, Denmark
conference dates
2017-06-12 - 2017-06-16
language
English
LU publication?
yes
additional info
Coastal Dynamics 2017
id
660b845a-34ad-4378-829f-79abd503ef1a
date added to LUP
2017-11-13 16:47:46
date last changed
2018-11-21 21:36:01
@misc{660b845a-34ad-4378-829f-79abd503ef1a,
  abstract     = {{A model to simulate long-term beach-dune evolution due to interacting longshore and cross-shore sediment transport processes is developed and tested. The work builds on a cross-shore model (CSM) previously developed at Lund University and includes changes to the equations describing aeolian transport and morphological evolution. The modifications are mainly based on existing conceptual geomorphological models which are translated into a numerical model, dealing with aeolian transport rates, transport limiting factors, and dune evolution under positive, negative, or stable beach sediment budgets. CSM is tested against a seven year data set of morphological evolution and sediment<br/>grain-size samples from Ängelholm Beach, Sweden. Results show a satisfactory fit between the simulated and observed evolution, although not all processes could be validated due to the limited temporal extent of the data set.}},
  author       = {{Fredriksson, Caroline and Larson, Magnus and Hanson, Hans}},
  keywords     = {{aeolian transport; dunes; long-term modelling; sea level rise; beach-dune interaction; cross-shore processes}},
  language     = {{eng}},
  pages        = {{715--726}},
  title        = {{LONG-TERM MODELLING OF AEOLIAN TRANSPORT AND BEACH-DUNE EVOLUTION}},
  url          = {{https://lup.lub.lu.se/search/files/34761507/062_fredriksson_caroline.pdf}},
  year         = {{2017}},
}