Wednesday, March 2, 2011

Year 10 Monday 28/2: Summarising the TRESB Project

1. The problem which lead to the TRESB project
 The continual build-up of sand on the southern side of the breakwater eventually caused the river mouth to once again silt up. It became apparent that continually extending the breakwaters was not the solution to providing a safe entrance to the Tweed River. In an effort to create a safe river entrance and solve the problem of the breaches immediately north of the Tweed being deprived of the natural supply of the sand, the accumulating sand at the river mouth was periodically dredged and trucked to the Gold Coast where it was used for beach nourishment.
2. The solution of the Problem
The solution of the problem is by doing which would need to occur continually in order to maintain the sand supply to the beaches and the safety of the river entrance for boats. A more efficient long-term solution was required. 
3. The result of the project. What areas were effected and how? Do you think that it was a success? 
(TRESBP) The Tweed River Entrance Sand Bypassing Project is a very smart thing that Australia has done. This is because the planning, construction and effects of the TRESBP was so well thought out and that so much research was done into the project such as refering to coastal managers, authorities, geographers, etc. And the solution is simple and effective with the idea that it measures which beach needs the sand the most and places the pumped sand there.

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