Modelling Morphological Response of Large Tidal Inlet Systems to Sea Level Rise
Autor Delft, The Netherlands) Dissanayake, Pushpa Kumara (UNESCO-IHE Institute for Water Educationen Limba Engleză Paperback – 16 dec 2011
The adopted approach used a highly schematised model domain analogous to the Ameland inlet in the Dutch Wadden Sea. Model simulations were undertaken applying tidal and wave boundary forcings with three IPCC projected RSLR scenarios (no RSLR, low RSLR and high RSLR).
Predicted inlet evolution indicated a channel/shoal pattern typically observed at the Ameland inlet. RSLR enhances the existing flood-dominance of the system leading to erosion on the ebb-tidal delta and accretion in the basin. Under the no RSLR case, resulting bed evolution of the process-based model (Delft3D) tends to agree with empirical-equilibrium relations of the ASMITA model. Application of the low RSLR scenario resulted in quite stable tidal flat evolution. Model simulations with the high RSLR scenario indicated disappearing the tidal flats over time and turning the system into a lagoon. Applying nourishment hardly compensated the RSLR induced sediment demand of tidal flat evolution.
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Specificații
ISBN-13: 9780415621007
ISBN-10: 0415621003
Pagini: 200
Ilustrații: Illustrations
Dimensiuni: 171 x 244 x 12 mm
Greutate: 0.32 kg
Editura: Taylor & Francis Ltd.
ISBN-10: 0415621003
Pagini: 200
Ilustrații: Illustrations
Dimensiuni: 171 x 244 x 12 mm
Greutate: 0.32 kg
Editura: Taylor & Francis Ltd.
Cuprins
1
Introduction
2 Tidal inlets in the Dutch Wadden Sea
3 Numerical modelling of the decadal evolution of tidal inlets
4 Morphological response of tidal inlets to Relative Sea Level Rise
5 Inlet effect on adjacent coastlines
6 Process-based and Semi-empirical models on inlet evolution
7 Sand nourishment on tidal inlets
8 Conclusions and recommendations
2 Tidal inlets in the Dutch Wadden Sea
3 Numerical modelling of the decadal evolution of tidal inlets
4 Morphological response of tidal inlets to Relative Sea Level Rise
5 Inlet effect on adjacent coastlines
6 Process-based and Semi-empirical models on inlet evolution
7 Sand nourishment on tidal inlets
8 Conclusions and recommendations
Notă biografică
Pushpa
Kumara
Dissanayake
(1974,
Onegama,
Sri
Lanka)
obtained
his
primary
education
in
Hingurakgoda and
studied
civil
engineering
at
the
University
of
Peradeniya.
He
was
research
engineer
for
Lanka
Hydraulic
Institute
(2000-2003)
mainly
engaged
in
numerical
modelling
of
coastal
projects. In
2003 he
did
a
post-graduate
scholarship
at UNESCO-IHE
Institute
for
Water
Education,
which
was
funded
by
the
Netherlands
Fellowship
Programme.
He
studied
in
Coastal
Engineering
and
obtained
MSc
in
2005.
His
thesis
project,
undertaken
at
WL|Delft
Hydraulics
(presently
Deltares),
investigated
the
effect
of
bed
roughness
formulations
on
morphodynamics
of
the
Western
Scheldt
Estuary,
the
Netherlands.
After
graduation,
he
returned
to
Sri
Lanka
and
worked
for
Lanka
Hydraulic
Institute
as
a
senior
modelling
engineer.
In February 2006, he started his PhD research at UNESCO-IHE on the responding morphodynamic evolution of large tidal inlet/basin systems to sea level rise, which was funded by Delft Cluster Research Programme. In January 2010, he moved to Norderney, Germany where he completed the final preparation of his thesis while working with his present employer NLWKN- Forschungsstelle Küste where he works on climate change adaptation strategies on the Lower Saxony Coast, East Frisian Wadden Sea.
In February 2006, he started his PhD research at UNESCO-IHE on the responding morphodynamic evolution of large tidal inlet/basin systems to sea level rise, which was funded by Delft Cluster Research Programme. In January 2010, he moved to Norderney, Germany where he completed the final preparation of his thesis while working with his present employer NLWKN- Forschungsstelle Küste where he works on climate change adaptation strategies on the Lower Saxony Coast, East Frisian Wadden Sea.