Bratz, Benedikt

Deutschmann, Björn

Ganal, Caroline

Gijsman, Rik

Goseberg, Nils

Hass, H. Christian

Hollert, Henner

Mielck, Finn

Schimmels, Stefan

Schlurmann, Torsten

Schürenkamp, David

Schüttrumpf, Holger

Staudt, Franziska

Visscher, Jan

Wiltshire, Karen

Wolbring, Johanna

Zhang, Huichen

Hydraulic Engineering Repository

Tools for the Improvement of the Efficiency and Sustainability of Shore Nourishments – Results of the research project STENCIL

Shore nourishments have been carried out worldwide for several decades and are nowadays 

seen as an almost routine coastal protection measure. However, the recent paradigm shift 

to  an  Integrated  Coastal  Zone  Management  (ICZM)  and  to  an  Ecosystem  Approach  to 

Management (EAM) requires new concepts, models and tools for the implementation of 

more sustainable and environmentally friendly  shore nourishments. The interdisciplinary 

research project STENCIL aimed at making a first step towards the long-term goal of es-

tablishing an EAM for shore nourishments. Joining the expertise of coastal engineers, ge-

ologists and ecologists, the project has provided improved tools and methods for the pre-

diction of coastal hydro- and morphodynamics and related ecological impacts. A 

combination  of field measurements, laboratory experiments and analytical as well as  nu-

merical  models  has  resulted  in  valuable  new  data  sets.  This  paper  summarizes  the  most  

important  scientific  outcomes  of  the  project,  like  the  use  of  Artificial  Neural  Networks 

(ANN) to overcome weaknesses of current hydrodynamic numerical modelling tools; the 

analysis and interpretation of long-term beach profile data using a newly developed data-

driven methodology, allowing for a better assessment of the morphological development 

of beach and foreshore nourishments; the improvement of a sediment transport model for 

mixed  sand  based  on  a  unique  large-scale  experiment  in  the  Large  Wave  Flume  (GWK)  

carried  out  within  the  project;  an  impact  assessment  of  dredging  activities  around  Sylt,  

based on six extensive survey cruises at the sand extraction sites “Westerland II & III”; and 

the  application  of  the  hydrotoxicology  method  for  the  same  study  site  to  determine  the  

influence of sand extraction on chemical-physical water quality parameters and the ecotox-

icological potential. These interdisciplinary project results were combined with a compre-

hensive  state  of  the  art  review  in  a  SWOT  analysis  for  shore  nourishments,  which  shall provide a tool for decision-makers and a basis for upcoming research projects addressing 

the identified knowledge gaps

Staudt, F.

Wolbring, J.

Schürenkamp, D.

Gijsman, R.

Visscher, J.

Zhang, H.

Mielck, F.

Hass, H. C.

Ganal, C.

Deutschmann, B.

Schimmels, S.

Schlurmann, T.

Goseberg, N.

Schüttrumpf, H.

Hollert, H.

Bratz, B.

Wiltshire, K. H.

Electronic Publication Information Center

http://henry.baw.de/bitstream/20.500.11970/107683/1/KFKI_DieKueste_k089014_STENCIL_Schimmels_A.pdf

Tools for the Improvement of the Efficiency and Sustainability of Shore Nourishments – Results of the research project STENCIL

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