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Regulated Tidal Exchange (RTE)
RTE
uses of pipes, sluices or tidegates to allow regulated tidal flushing by seawater
to create saline/brackish habitats behind sea walls is a common practice in
some parts of the world. In the USA and in Germany.
Techniques include:
- Open culvert, with no tidal flap through the sea wall;
- Culverts with manually operated flaps to let water through into an impoundment
at high tide;
- Self-regulating tidegates;
- Electronically controlled and operated tidegates;
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Guidance: Both saltmarshes and mud flats can be created using
these techniques. A review
undertaken for the Royal Society for the Protection of Birds and the Environment
Agency (Lamberth & Haycock 2002)
gives details of methods which can be adopted and case studies of selected
schemes. For more details see also (Hirons
et al. 2002).
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References
Hirons, G., Kew, J., Smith, K. & Pilcher, R.
2002.
Regulated Tidal Exchange - a Saline Sollution? Report of a Study Tour to USA to Determine the Potential of Regulated Tidal Exchange for Coastal Habitat creation, restoration and Management in the UK.
Royal Society for the Protection of Birds.
Lamberth, C. & Haycock, N.
2002.
Regulated Tidal Exchange: An Intertidal Habitat Creation Technique. Report by Haycock Associates Limited, St. Albans.
RSPB and Environment Agency.
RSPB and Environment Agency.
RSPB and Environment Agency.
RSPB and Environment Agency.
Environment Agency and the Royal Society for the Protection of Birds.
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