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Port Fairy Seawall in Place Hazard Lines

Created 05/05/2025

Updated 05/05/2025

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The Port Fairy Local Coastal Hazard Assessment (LCHA) provides information on the extent of coastal hazards and their physical impacts for the Port Fairy coastal environment. This data considers setback of the present day shoreline due to coastal erosion if existing seawall (where present) remains in place. The four key components of coastal setback that are incorporated into this hazard line are: - S1, allowance for short term storm erosion (storm demand 100 year ARI); - S2, allowance for dune stability (zone of reduced foundation capacity); - S3, allowance for ongoing underlying recession; and, - S4, allowance for recession due to future sea level rise. The total design setback (S) for three planning horizons comprises: - Present day: S = S1 + S2; - 2050: S = S1 + S2 + S3(2050) + S4(2050); - 2080: S = S1 + S2 + S3(2080) + S4(2080); and - 2100: S = S1 + S2 + S3(2100) + S4(2100). Sea level rise projections utilised for the planning horizons were 0.4 m for 2050, 0.8 m for 2080 and 1.2 m for 2100 respectively. Where appropriate, the +6 m AHD contour was used as a reference as it was considered to represent the coastal alignment reasonably. The crest of the rock revetment was used as the reference contour on the southern half of East Beach. For low-lying dune systems the +2 m AHD contour was used. Details of the assumptions made in the derivation of this information can be found in project reports on the Our Coast website: http://www.ourcoast.org.au/cb_pages/resources.php. Users of this information should read these project reports to understand the limitations of the data.

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Additional Info

Field Value
Title Port Fairy Seawall in Place Hazard Lines
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://devweb.dga.links.com.au/data/dataset/3c184391-004f-49b4-b8c0-3e9f8fe37bf2
Remote Last Updated 03/04/2025
Contact Point
Department of Energy, Environment and Climate Action
test@email.loc
Reference Period 02/02/2018
Geospatial Coverage http://www.ga.gov.au/place-names/PlaceDetails.jsp?submit1=GA7
Data Portal data.gov.au

Data Source

This dataset was originally found on Victoria Government "Port Fairy Seawall in Place Hazard Lines". Please visit the source to access the original metadata of the dataset:
https://discover.data.vic.gov.au/dataset/port-fairy-seawall-in-place-hazard-lines

Original dataset
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No duplicate datasets found.