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Reactivating (restoring mobility) - 'soft' rock cliffs
Abandonment or removal of coastal protection features will lead to the renewal
of marine erosion and the initiation of cliff instability. A simple model for
this has been prepared (Lee et al. 2001)
and is shown below.
| Guidance: It is important to bear in mind that the speed of the
reactivation process will depend on the nature of the cliff. This will in
turn depend on the inherent resilience of the cliff to erosive forces such
as wave attack. The resulting cliff may take some time to achieve its new
form. This may be different to that which existed prior to stabilisation
and have a different species diversity (Lee
et al. 2001). There are also a number of legal and safety issues,
which need to be considered (Lee et al. 2001
pages 31-36). |
References
Lee, E.M., Brunsden, D., Roberts, H., Jewell, S. & McInnes, R.
2001.
Restoring biodiversity to soft cliffs.
English Nature Research Report, 398
English Nature.
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