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Williamtown - Salt Ash Floodplain Risk Management Study & Plan - Hydraulic Model

Created 06/05/2025

Updated 06/05/2025

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Study used TUFLOW hydraulic model from Williamtown Salt Ash FS Review (BMT WBM, 2012). The key updates for the revised modelling include: * Updated topographical data using the 2013 LiDAR data set acquired by NSW Land and Property Information. Previous modelling utilised the 2007 LiDAR data set acquired by NSW Department of Planning. * Update of Hunter River design flood flows through revised flood frequency analysis (FFA) at Raymond Terrace. An FFA from a 1994 study has been used as the basis for design flood estimation in the Hunter Estuary for subsequent studies and has now been revised as part of the current study; * Additional climate change scenario modelling. This included establishment of design flood conditions consistent with definition of design flood planning levels in current Council planning policy.

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Field Value
Title Williamtown - Salt Ash Floodplain Risk Management Study & Plan - Hydraulic Model
Language English
Licence lsba
Landing Page https://devweb.dga.links.com.au/data/dataset/65c3588a-57d3-4aa7-b87d-f4c7c7083e3e
Remote Last Updated 25/03/2024
Contact Point
Reference Period 02/02/2022 - 30/09/2017
Geospatial Coverage New South Wales (NSW81093)
Data Portal data.gov.au

Data Source

This dataset was originally found on DataNSW "Williamtown - Salt Ash Floodplain Risk Management Study & Plan - Hydraulic Model". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/fdp-williamtown-salt-ash-frmp-s-hydraulic-model

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