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Port Hedland South-West Creek Dredge Plume Modelling – Final Report Version 4 Prepared for Port Hedland Port Authority
4 November 2010 Cardno (NSW/ACT) Pty Ltd 35
Z:\Doc_CLT\2010\Reports.2010\Rep1017pv4.doc
12 References AME (2010). “PHPA South West Creek Approvals – Initial Plume Modelling Input”. File Note, 13 July 2010.
Berthot A. and Treloar P. D. (2009). “The Use of Numerical Modeling in Assisting Port Development – Case Study at Port Hedland”. Proceedings of Coast and Ports 2009. Wellington, NZ. September 2009.
Bridges T.S., Ells S., Hayes D, Mount D, Nadeau S.C., Palermo M.R., Patmont C., and Schroeder P.UASCE (2008). “The Four Rs of Environmental Dredging:Resuspension, Release, Residual, and Risk.” Published by USACE, Dredging Operations and Environmental Research Program, ERDC/EL TR-08-4.
Cardno Lawson Treloar (2010). “Port Hedland Harbour – Current Modelling Investigations for Proposed Development at Lumsden Point”. Prepared for Port Hedland Port Authority. Ref: LJ2843, L2043. 29 March 2010.
Global Environmental Modelling Systems (GEMS) 2008. RGP5 Port Facilities – Dredging Program Simulation Studies at Harriet Point. Report July 2008.
Port of Melbourne Corporation (2008). “Turbidity – Detailed Design (Channel Deepening Project)”. CDP_ENV_MD_024 Rev 2. January 2008.
Postma, L., Stelling, G.S. and Boon, J., (1999). Three-dimensional water quality and hydrodynamic modelling in Hong Kong. Stratification and water quality. Proceedings of the 2nd Int. Symp. on Environmental Hydraulics, Hong Kong, Balkema, Rotterdam. December 1998, 43-49. Provis D. and Aijaz S. (2009). “Prediction of Plume Generation and Movement from Dredging Operations in Port Phillip Bay, Melbourne”. Proceedings of Coast and Ports 2009. Wellington NZ, September 2010. SKM (2008). “Dredging Verification Studies at Cape Lambert”. Presentation prepared by SKM. March 2008. SKM (2010). “Port Hedland Port Authority South West Creek Dredging - Geotechnical Interpretative Report”. Prepared by SKM, Rev 0 October 2010.
van Rijn, L. (1993): Principles of Sediment Transport in Rivers, Estuaries and Coastal Seas. AQUA Publications.
van Rijn, L. (2006): Principles of Sediment Transport in Rivers, Estuaries and Coastal Seas – Part II. AQUA Publications.
Wolanski E., Jones M., and Bun J.S. (1980). “Hydrodynamics of a Tidal Creek-Mangrove Swamp System”. Australian Journal of Marine and Freshwater Research. Volume 31, pp431-450.
Worley Parsons (2009). “The Heng Shan Project - South West Creek Berths 1 and 2 (SWC1 and SWC2) Geotechnical Investigation”. Prepared for FORTESCUE METALS GROUP LIMITED. Ref: 00093-P-12044-RP-GE-0003.
Z:\Doc_CLT\2010\Reports.2010\Rep1017pv4.Doc
Figure 1.1 Locality Plan
Figure 3.1 Offshore Tide Gauge, Current meter and ADCP Locations
Figure 3.2 Seabed Mounted ADCP Locations
Figure 4.1 Model Grid Setup
Figure 4.2 Model Grip Setup (Inner Harbour)
Figure 4.3 Comparison Measured and Modelled Water Level
Figure 4.4 Comparison Measured and Modelled Current (Cm3)
Figure 4.5 Comparison Modelled and Measured Discharge ADCP Transects
Figure 4.6 Comparison Modelled and Measured Current (ADCP2-2007)
Figure 4.7 Comparison Modelled and Measured Current (ADCP 1-2009)
Figure 4.8 Comparison Modelled and Measured Current (ADCP 3-2009)
Figure 5.1 Output Points Map
Figure 5.2 Dredging Locations
Figure 6.1 Water Level, Current Speed and Direction Time Series-Spring
Figure 6.2 Water Level, Current Speed and Direction Time Series –Neap
Figure 6.3 Tracer Concentration After 48-hours
Figure 6.4 Tracer Concentration Time Series – 8 Days
Figure 6.5 E-folding Time
Figure 7.1 TSS Average Concentration Contours - Surface Layer
Figure 7.2 TSS Average Concentration Contours - Bottom Layer
Figure 7.3 TSS Concentration Contours Exceeded 5% of the time - Surface Layer
Figure 7.4 TSS Concentration Contours Exceeded 5% of the time - Bottom Layer
Figure 7.5 Concentration Time Series - Bottom Layer
Figure 7.6 Light Intensity Time Series
Figure 7.7 Sediment Deposition (mass) Contours
Figure 7.8 Cumulative Sediment Deposition Contours
Figure 7.9 60mm Cumulative Sediment Deposition Contour –DMMA Option 1
Figures
4 November 2010 Cardno (NSW/ACT) Pty Ltd A1
Figure 7.10 Offshore TSS Concentration Contours Exceeded 5 % of the Time – DMMA Option 1 – Surface Layer
Figure 7.11 Offshore TSS Concentration Contours Exceeded 5 % of the Time - DMMA Option 1 Bottom Layer
4 November 2010 Cardno (NSW/ACT) Pty Ltd A2
Z:\Doc_CLT\2010\Reports.2010\Rep1017pv4.Doc
Figure 8.1 TSS Average Concentration Contours –DMMA Option 2- Surface Layer
Figure 8.2 TSS Average Concentration Contours –DMMA Option 2- Bottom Layer
Figure 8.3 TSS Concentration Contours Exceeded 5% of the time –DMMA Option 2 - Surface Layer
Figure 8.4 TSS Concentration Contours Exceeded 5% of the time–DMMA Option 2 - Bottom Layer
Figure 8.5 Concentration Time Series –DMMA Option 2- Bottom Layer
Figure 8.6 Light Intensity Time Series –DMMA Option 2
Figure 8.7 Sediment Deposition (mass) Contours–DMMA Option 2
Figure 8.8 Cumulative Sediment Deposition Contours –DMMA Option 2
Figure 8.9 60mm Cumulative Sediment Deposition Contour –DMMA Option 2
Figure 8.10 Offshore TSS Concentration Contours Exceeded 5 % of the Time – DMMA Option 2 – Surface Layer
Figure 8.11 Offshore TSS Concentration Contours Exceeded 5 % of the Time – DMMA Option 2 – Bottom Layer
Figure 9.1 Sensitivity Case BC Bathymetry
Figure 9.2 Sensitivity Cases - TSS Average Concentration Contours - Surface Layer
Figure 9.3 Sensitivity Cases - TSS Average Concentration Contours - Bottom Layer
Figure 9.4 Sensitivity Cases - TSS Concentration Contours Exceeded 5% of the time - Surface Layer
Figure 9.5 Sensitivity Cases - TSS Concentration Contours Exceeded 5% of the time - Bottom Layer
Figure 9.6 Sensitivity Cases - Concentration Time Series - Bottom Layer
Figure 9.7 Sensitivity Cases - Light Intensity Time Series
Figure 9.8 Sensitivity Cases - Sediment Deposition (mass) Contours
Figure 10.1 Water Depth Map
Figure 10.2 Water Level Time Series − Existing and Developed Cases Comparison
Figure 10.3 Bed Shear Stress Map – Erosion/Sedimentation Patterns
Figures
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Port Hedland South−West Creek Dredge Plume Modelling
Locality MapPort Hedland
Figure 1.1
Port Hedland South-West Creek Dredge Plume Modelling Investigations
STUDY AREAOFFSHORE TIDE GAUGE, CURRENTMETER AND ADCP LOCATIONs
Figure 3.1LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
T1
T2
T3
T4
T5 T6
T7 T8
ADCP2
ADCP1
T9
ADCP0
WNI dataMarch-April 1998:
May-June 1998:
- Tidal Gauges TG1 and TG2- Current meter CM1 and CM
- ADCP (ADCP moored)0
CLT dataMarch-April 2007:
October-November 2007:
- ADCP Transects (T1-T4,T6)- ADCP (ADCP moored)
- ADCP Transects (T4-T9)ADCP moored
1
2- ADCP ( )
Port Hedland South-West Creek Dredge Plume Modelling Investigations
SEABED MOUNTED ADCP LOCATIONS2007 and 2009
Figure 3.2LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
3
Port Hedland South-West Creek Dredge Plume Modelling Investigations
MODEL GRID SETUP
Figure 4.1LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
Port Hedland South-West Creek Dredge Plume Modelling Investigations
MODEL GRID SETUPInner Harbour
Figure 4.2LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
Port Hedland South-West Creek Dredge Plume Modelling Investigations
COMPARISON MEASURED AND MODELLED WATER LEVELTg1 AND TG2
Figure 4.3LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
Port Hedland South-West Creek Dredge Plume Modelling Investigations
COMPARISON MEASURED AND MODELLED CURRENTCm3
Figure 4.4LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
T6T5
T4T1
* Measured data
- Model data
Port Hedland South-West Creek Dredge Plume Modelling Investigations
COMPARISON MODELLED AND MEASURED DISCHARGEADCP TRANSECTS
Figure 4.5LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
Port Hedland South-West Creek Dredge Plume Modelling Investigations
COMPARISON MODELLED AND MEASURED CURRENTADCP2 - 2007
Figure 4.6LJ15011/Rep1017p September 2010File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
COMPARISON MODELLED AND MEASURED CURRENTPort Hedland South-West Creek Dredge Plume Modelling Investigations
ADCP 1- 2009Figure 4.7LJ15011/Rep1017p September 2010
File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
COMPARISON MODELLED AND MEASURED CURRENTPort Hedland South-West Creek Dredge Plume Modelling Investigations
ADCP 3- 2009Figure 4.8LJ15011/Rep1017p September 2010
File: J:\CM\LJ15011-PH-SWCreek-DredgePlume\Figures\Final\Figures_3-1to4-7.cdr
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Case AOutput Points Map
Figure 5−1−A
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Port Hedland South−West Creek Dredge Plume Modelling
Case BOutput Points Map
Figure 5−1−B
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Port Hedland South−West Creek Dredge Plume Modelling
Case COutput Points Map
Figure 5−1−C
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Port Hedland South−West Creek Dredge Plume Modelling
Case DOutput Points Map
Figure 5−1−D
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Port Hedland South−West Creek Dredge Plume Modelling
Case EOutput Points Map
Figure 5−1−E
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Case FOutput Points Map
Figure 5−1−F
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Port Hedland South−West Creek Dredge Plume Modelling
Case GOutput Points Map
Figure 5−1−G
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Port Hedland South−West Creek Dredge Plume Modelling
Existing CaseOutput Points Map
Figure 5−1−X
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Port Hedland South−West Creek Dredge Plume Modelling
Case ADredging Locations
Figure 5−2−A
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Port Hedland South−West Creek Dredge Plume Modelling
Case BDredging Locations
Figure 5−2−B
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Port Hedland South−West Creek Dredge Plume Modelling
Case CDredging Locations
Figure 5−2−C
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Case DDredging Locations
Figure 5−2−D
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Case EDredging Locations
Figure 5−2−E
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Case FDredging Locations
Figure 5−2−F
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Port Hedland South−West Creek Dredge Plume Modelling
Case GDredging Locations
Figure 5−2−G
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: 1
Figure 6−1−1
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: 2
Figure 6−1−2
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: 3
Figure 6−1−3
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: 4
Figure 6−1−4
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: 5
Figure 6−1−5
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: SWC1
Figure 6−1−SWC1
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Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesSpring − Location Point: SWC3
Figure 6−1−SWC3
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Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: 1
Figure 6−2−1
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: 2
Figure 6−2−2
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: 3
Figure 6−2−3
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: 4
Figure 6−2−4
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: 5
Figure 6−2−5
LJ15011 September 2010J:\CM\LJ15011−PH−SWCreek−DredgePlume\CurrentMaps\
Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: SWC1
Figure 6−2−SWC1
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Port Hedland South−West Creek Dredge Plume Modelling
Water Level, Current Speed and Direction Time SeriesNeap − Location Point: SWC3
Figure 6−2−SWC3
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case AFigure 6−3−A
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case BFigure 6−3−B
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case CFigure 6−3−C
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case DFigure 6−3−D
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case EFigure 6−3−E
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case FFigure 6−3−F
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Case GFigure 6−3−G
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration After 48h
Existing CaseFigure 6−3−X
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration Time Series − 8 Days
Location:F1Figure 6−4−F1
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration Time Series − 8 Days
Location:F2Figure 6−4−F2
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Port Hedland South−West Creek Dredge Plume ModellingTracer Concentration Time Series − 8 Days
Location:F3Figure 6−4−F3