Appendices 5-13 - Nautilus Cares - Nautilus Minerals

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3 Results Plots of the received level as a function of range and depth out to the maximum modelled range of 12 km are given in Figure 7 and Figure 8. Zoomed versions of the same plots for seabed model A, covering horizontal ranges of 0 to 3 km, are shown in Figure 9, and a scatter plot of received level vs. range for all azimuths is shown in Figure 10. Plots of maximum received level at any depth as a function of azimuth are given in Figure 11. In addition, Table 3 summarises the maximum ranges for specific received level thresholds being exceeded, and compares the modelling results to spherical spreading. Note that the spherical spreading results are based on the assumption of a point source, whereas in practice the source will be distributed in space, and the 180 dB re 1 "Pa level may not be exceeded anywhere. Table 3. Range beyond which all received levels are expected to be below the specified threshold. Spherical spreading results are based on a point source with a source level of 196.4 dB re 1 "Pa @ 1m. Threshold 180 dB re Range assuming spherical spreading Range from modelling 1 "Pa 170 dB re 1 "Pa 160 dB re 1 "Pa 150 dB re 1 "Pa 140 dB re 1 "Pa 6.6 m 21 m 66 m 209 m 661 m - - 70 m 350 m 1100 m 14
Figure 7. Plots of predicted received level vs. range and depth for azimuths from 0! to <strong>13</strong>5!. Top four plots are for seabed model A., bottom four plots are for seabed model B. 15
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./0123/M./T!6 1MP!8T ST!T.M./T 1a$t
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Project director David Gwyther Proj
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Appendix 8 Juvenile Amphipod Whole
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10-day Survival of M. plumulosa Pag
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Centre for Environmental Contaminan
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Centre for Environmental Contaminan
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Appendix 9 Elutriate Testing Report
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Table of Contents 1. Introduction 3
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These elutriate tests were designed
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2. An aliquot(s) of sample after ce
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Table 1: pH, redox (Eh), conductivi
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1440 minutes which is also consiste
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Concentration (ppb) 250.0 200.0 150
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Concentration (ug/kg ore) (log scal
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Zinc sulfide is the most soluble of
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Table 5: Major ions in 0.45 !m filt
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3.5 Comparison to ANZECC/ARMCANZ (2
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5. References ANZECC/ARMCANZ (2000)
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Appendix 2: Phase 1: Metal concentr
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Appendix 4: Phase 1: Normalised dat
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Appendix 6: Phase 2: Quality contro
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Appendix 8: Metal concentrations in
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MODELLING THE DISPERSION AND SETTLE
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TABLE OF CONTENTS 1 EXECUTIVE SUMMA
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2 MODELLING METHODOLOGY AND DATA 2.
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2.3 The SSFATE Model Sediment dispe
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Earth Mechanics Institute of the Co
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3 RESULTS AND DISCUSSION The calcul
Page 169 and 170: Table 3.1. Summary of areas covered
Page 171 and 172: Figure 3.3b. Sediment bottom thickn
Page 173 and 174: Figure 3.3d. Sediment bottom thickn
Page 175: 4 REFERENCES Swanson J.C., Isaji T.
Page 179 and 180: MODELLING THE DISPERSION OF THE RET
Page 181 and 182: TABLE OF CONTENTS 1 EXECUTIVE SUMMA
Page 183 and 184: Given the range of tidal and basin
Page 185 and 186: dispersion is modelled using a rand
Page 187 and 188: Figure 2.1. Data from the ADCP at 6
Page 189 and 190: 2.5 Outfall Configuration and Assum
Page 191 and 192: 3 RESULTS AND DISCUSSION 3.1 Diluti
Page 193 and 194: Figure 3.1. Snapshot in time of a
Page 195 and 196: 5.0 km at any time during the disch
Page 197 and 198: Figure 3.2. The expected (or averag
Page 199 and 200: Figure 3.4 A zoomed in comparison o
Page 201 and 202: 5 REFERENCES Bear, J. and Verruijt,
Page 203: Rusin J., Lunel T. and Davies L., 1
Page 207 and 208: Prediction of underwater noise asso
Page 209 and 210: Table of Contents 1 Introduction ..
Page 211 and 212: 1 Introduction This report presents
Page 213 and 214: 2 Methods 2.1! Source modelling Cav
Page 215 and 216: dB re 1uPa @ 1m 200 195 190 185 180
Page 217 and 218: Figure 3. Source location for the s
Page 219: Depth (m) 0 500 1000 1500 2000 2500
Page 223 and 224: Figure 9. Zoomed view of plots of p
Page 225 and 226: Figure 11. Predicted maximum level
Page 227 and 228: for computing a is given in Fisher
Page 229 and 230: ecent studies have indicated that c
Page 231 and 232: sources to close range, and that th
Page 233 and 234: masking ranges for different marina
Page 235 and 236: References Fisher, F. H., Simmons,
Page 237: Appendix 14 The Potential for Natur
Page 240 and 241: 'leaky' and recent lava flows have
Page 242 and 243: iii.) Incrementally these 1 m swath
Page 247: Appendix 15 Stakeholder Consultatio
Page 250 and 251: Environmental Impact Statement Solw
Page 256 and 257: Wewak (22 October 2007) Not recorde
Page 258: San Diego (17-18 April 2008) Enviro
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Appendices 5-13 - Nautilus Cares - Nautilus Minerals

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