A preliminary investigation of the integration of modelled floodplain hydraulics with estimates of overbank floodplain sedimentation derived from Pb-210 and Cs-137 measurements

GB Siggers, PD Bates*, MG Anderson, DE Walling, Q He

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

17 Citations (Scopus)

Abstract

This paper investigates the possibility of linking finite element modelled two-dimensional hydraulics with floodplain sedimentation rates derived from radionuclide dating techniques. The TELEMAC-2D system is used to simulate the full dynamic velocity vector and water depth distributions for a 1 in 12 year flood event for the River Culm, Devon. These are compared to patterns of medium-term (30-100 years) sedimentation rates and a degree of correlation is found to exist. This information is used to comment on the complexity of flow and sediment deposition interactions in floodplain environments and to provide a research design for the development of a more fully integrated floodplain morphodynamic model. Copyright (C) 1999 John Wiley & Sons, Ltd.

Original languageEnglish
Pages (from-to)211-231
Number of pages21
JournalEarth Surface Processes and Landforms
Volume24
Issue number3
Publication statusPublished - Mar 1999

Keywords

  • radionuclide dating
  • DEPOSITION
  • VALIDATION
  • RATES
  • hydraulic modelling
  • PATTERNS
  • floodplain sedimentation
  • RIVER

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