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WAMSI 2 - Dredging Node - Theme 2 Project 3.4 Development of a Numerical Dredging Model

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WAMSI 2 - Dredging Node - Theme 2 Project 3.4 Development of a Numerical Dredging Model


In Western Australia (WA), the Environmental Impact Assessment process requires dredging proponents to make scientifically sound predictions of the likely extent, severity, and persistence of environmental impacts of the proposed activity under a spatially defined zoning pattern. This is achieved by using coupled hydrodynamic, wave and sediment tra... more


Environmental Impact Assessment Environmental Management Environmental Monitoring Physical Oceanography


https://doi.org/10.4225/08/5a54c3ce250bf


01 Apr 2013


31 Dec 2014


Chaojiao Sun
Chaojiao.Sun@csiro.au

sediment dredge plume hydrodynamic DELFT3D passive plume Wheatstone Chevron Environmental Impact Assessment


Three models (hydrodynamic, wave and sediment transport models) were set-up for the study site, Chevron Australia's Wheatstone LNG Project, located 12 km west of Onslow (in the Pilbara region of Western Australia). Data from a range of sources were compiled and analysed for use in the study and included electronic and daily dredging logs, current meters, Conductivity Temperature Depth (CTD) measurements, turbidity (NTU) sensors, photosynthetically active radiation (PAR) sensors, sediment traps and multi-beam bathymetric survey data. Data from a field trip completed by CSIRO and Curtain University was also utilised. A 14-year-long derived TSS dataset for the Pilbara region using Moderate resolution Imaging Spectroradiometer (MODIS) satellite was developed in Dorji et al. (2016). . A description of the model set-up and results, including details of the sensitivity analysis (and validation of source terms) is included in the Final Report (see online resources link). Two model output data files are provided in the CSIRO DAP record (see online resources link): FILE 1 Timeseries output at 14 minute intervals for 256 history points across the model domain (trih-gD1_DSN_Outer.nc) FILE 2 Map series output at 60 minute intervals for the model domain (trim-gD1_DSN_Outer.nc) Variable descriptions and units are provided in the file metadata. Example outputs include wave height, peak wave period, suspended solids concentration, water currents, water levels, bed shear stress etc. Simulation data files are in netCDF format with CF-1.6 conventions.


Chaojiao Sun (CSIRO) Paul Branson (CSIRO) Graham Simmonds (CSIRO) Kenji Shimizu (CSIRO) Stephanie Contardo (CSIRO) Nick Mortimer (CSIRO)


CSIRO Data Licence


CSIRO (Australia), Western Australian Marine Science Institution (WAMSI) (Australia)


Sun, Chaojiao; Branson, Paul; Graham, Symonds; Contardo, Stephanie; Shimizu, Kenji; Mortimer, Nick (2017): WAMSI 2 - Dredging Node - Theme 2 Project 3.4 Development of a Numerical Dredging Model. v1. CSIRO. Data Collection. https://doi.org/10.4225/08/5a54c3ce250bf


All Rights (including copyright) CSIRO 2017.


Although the associated metadata is public, the files (if any) have not been approved for general release. Please phone or email the contact person for this collection to discuss access to the files.

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Location Details

20°3′56.628″ S


21°40′38.388″ S


116°51′46.512″ E


114°35′19.5″ E


WGS84


More about this Collection

Chaojiao Sun


Research Scientist








eng


UTF8


Oceans


About this Project

WAMSI Dredg T2-3 Gen Sediment


The overall objective of Project 2/3.4 was to improve the predictive capabilities of sediment dispersion modelling that incorporate dynamic plume and passive plume processes through assessing model sensitivity to key forcing and parameter values, such as met-ocean condition, particle settling velocity distribution, critical shear stress, sediment e... more


Chaojiao Sun


Sediment Plume Modelling


Hydrodynamic, wave and sediment transport modelling using Delft3D.


Modelling


Chaojiao Sun


Paul Branson


Symonds Graham


Stephanie Contardo


Kenji Shimizu


Nick Mortimer