soft engineering Flashcards
what is soft engineering?
aims to work with and complement the physical
environment by using natural methods for coastal defence
what is the description of beach nourishment and what are the pros and cons?
Description: Sediment is taken from offshore sources to build up the existing beach
👍 Builds up beach, protecting cliff and increasing tourist potential
👍 Cost effective and looks natural
👎 Needs constant maintenance
👎 Dredging may have
consequences on local coastal habitats
what is the description of cliff regrading and drainage and what are the pros and cons?
Description: Reduces the angle of the cliff to help stabilise it. A steeper cliff would be more likely to collapse
👍 Cost effective
👎 Cliff may collapse suddenly as the cliff is drier leading to rock falls which pose a hazard
👎 May look unnatural
what is the description of dune stabilisation and what are the pros and cons?
Description: Marram grass planted. The roots help bind the dunes, protecting land behind
👍 Cost effective and creates an
important wildlife habitat
👎 Planting is time consuming
what is the description of marsh creation and what are the pros and cons?
Description: Type of managed retreat allowing low-lying areas to flood
👍 Creates an important wildlife habitat
👎 Farmers lose land and may need compensation as a result