Appendices 5-13 - Nautilus Cares - Nautilus Minerals

TABLE OF CONTENTS
1 EXECUTIVE SUMMARY ....................................................................................................... 3
2 MODELLING METHODOLOGY AND DATA .......................................................................... 5
2.1 Single Release Modelling ............................................................................................... 5
2.2 Stochastic Modelling ...................................................................................................... 6
2.3 Deep Sea Temperature and Current Data ...................................................................... 7
2.4 Bathymetry ..................................................................................................................... 9
2.5 Outfall Configuration and Assumptions......................................................................... 10
3 RESULTS AND DISCUSSION............................................................................................. 12
3.1 Dilution Thresholds....................................................................................................... 12
3.2 Plume dynamics ........................................................................................................... 12
3.3 Affected areas and extents........................................................................................... 15
3.4 Plume Thickness .......................................................................................................... 16
3.5 Sedimentation Thickness ............................................................................................. 17
4 CONCLUSIONS................................................................................................................... 17
5 REFERENCES .................................................................................................................... 22
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