Impact of sea-level rise in a Mediteranean delta

The Ebro delta cast

Conference paper (1993)
Department
Hydraulic Engineering (CEG) (TU Delft)
Copyright: © 1993 Authors
Delta Sea level rise
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Published Date

19-04-1993

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Source:

Seachange'93: International Workshop, Noordwijkerhout, The Netherlands, 19-23 April 1993

Faculty

Civil Engineering and Geosciences

Department

Hydraulic Engineering

Abstract

In anticipation of a comprehensive, multidisciplinary study on the impact of climatic change on the Ebro Delta preliminary results are here presented of the response of the outer delta coast to present and future relative sea-level rise. Due to the absence of observations and predictions of regional effects such as subsidence, it is only possible to indicate the probable range of the impact. With the aid of a simple shoreface response model, it is found that the balance between volume loss due to relative sea-level rise and aeolian transport (partly used for dune formation) and volume gain due to cross-shore feeding is presently such, that these effects cancel locally. This implies, however, that an acceleration of sealevel rise would lead to an acceleration of coastline retreat and surface loss, which would be significant.