Fremantle Port Inner Harbour and Channel ... - Fremantle Ports

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Table of ContentsIntroduction.............................................................................................................................................. 3Project Objectives ................................................................................................................................ 3Key Deliverables .................................................................................................................................. 3Study Site ............................................................................................................................................ 3Methods................................................................................................................................................... 5Inputs ................................................................................................................................................... 5Image Processing ................................................................................................................................ 5Data integration and classification ....................................................................................................... 5Project 1 ........................................................................................................................................... 6Project 2 ........................................................................................................................................... 6Quality Assurance ............................................................................................................................... 7Results .................................................................................................................................................... 7Limitations and assumptions ................................................................................................................. 10Key Issues associated with substrate mapping ................................................................................ 10Imagery Acquisition Conditions ..................................................................................................... 10Spatial Scale .................................................................................................................................. 10Classification scale and automation .............................................................................................. 10Quality Assurance ............................................................................................................................. 10Conclusions and Recommendations .................................................................................................... 11List of Figures and TablesFigure 1: Study site overview for substrate mapping near Fremantle, Western Australia ...................... 4Figure 2: Tier 1 classification results ....................................................................................................... 8Figure 3: Tier 2 classification results ....................................................................................................... 9Table 1: Overview of Image inputs and their specifications .................................................................... 5Table 2: Tier 1 marine substrate mapping classes ................................................................................. 6Table 3: Tier 2 marine substrate mapping classes ................................................................................. 7Specialists in Satellite Imagery and Geospatial Solutions | Commercial in confidence Page | 2
IntroductionThe purpose of this project was to integrate satellite imagery and field data to identify marinesubstrates across a dredge deposit site off Fremantle Harbour, Western Australia. Geoimage, inconsultation with Oceanica, proposed a spatial solution involving the integration of satellite imageryfield data to estimate substrate types across a variety of sea-floor depths.Project ObjectivesAcquisition of archive WorldView-2 (WV-2) 8-band bundle digital data, captured on 25 thDecember 2011, over the Imagery Area of Interest (AOI) covering 27 sq kmSun glint reduction on imagery, if deemed necessary, to remove sun glint speckle coveringparts of the images;Generation of broad (Project 1) and detailed (Project 2) marine substrate classification mapsfrom the satellite imagery over the Imagery AOI using a combination of spectral and manualclassification methods based on supplied substrate field dataKey DeliverablesSupply of raw archive digital imagery (WV-2 8-band 2m resolution multispectral and 1-band50cm resolution panchromatic imagery over the whole Imagery AOI; GeoEye-1 (GE-1) 4-band 2m resolution multispectral and 1-band 50cm resolution panchromatic imagery over thenorthern part of the Imagery AOI)Supply of sun glint reduced multispectral WV-2 and GE-1 imagery (GeoTiffs,Datum/Projection GDA94/MGA50)Project 1 – Broad marine substrate classification (ESRI Shapefile)Project 2 – Detailed marine substrate classification (ESRI Shapefile)Substrate classification maps for Project 1 and Project 2 (A4 PDFs)Brief report detailing the project outcomes (this report)Study SiteThe study site comprised of a 20km 2 area near the Fremantle Harbour, Western Australia. Figure 1describes the imagery acquired over the region and also the analysis area for this project.Specialists in Satellite Imagery and Geospatial Solutions | Commercial in confidence Page | 3
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Fremantle Port Inner Harbour and Ch
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Client: Fremantle PortsDocument his
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ContentsExecutive Summary .........
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Executive SummaryProject StatusFrem
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1. Introduction1.1 Background and p
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Figure 1.1Dredge areas, reclaimed a
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Table 2.2 Audit tableAuditCode801:M
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AuditCodeSubject Action How Evidenc
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3. Annual Survey Footprint of Offsh
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Figure 3.2 Differences in bathymetr
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A one in five year storm event (as
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5. SummaryThere were zero non-compl
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6. ReferencesDEC (2009) Guidelines
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STATUS OF THIS DOCUMENTThis documen
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Report shall be 15 months from the
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6-3 If the Water Quality Monitoring
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Table 2: Summary of key proposal ch
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Fremantle Ports1 Cliff StreetFREMAN
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Fremantle Ports - Gage RoadsOffshor
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Client: Fremantle PortsRevisions hi
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Figure 1.1Figure 1.2Figure 1.3Figur
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Executive SummaryOceanica Consultin
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1. Introduction1.1 BackgroundThe Ga
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Figure 1.2Gage Roads habitat map in
Page 67 and 68: Figure 1.3Bathymetry for Gage Roads
Page 69 and 70: Figure 1.4 Benthic habitat within G
Page 71 and 72: 2. Methods2.1 Benthic habitat surve
Page 73 and 74: 2.2 Seagrass recovery2.2.1 Permanen
Page 75 and 76: Table 2.1Seagrass sites, zone desig
Page 77 and 78: Table 2.3Limits of Reporting (LOR)
Page 79 and 80: Sediment nutrients and metalsNutrie
Page 81 and 82: 3. Results3.1 Benthic habitat mapA
Page 83 and 84: Figure 3.2 Benthic habitat post dis
Page 85 and 86: 3.2 Seagrass recovery3.2.1 Seagrass
Page 87 and 88: Table 3.4PERMANOVA table of results
Page 89 and 90: Table 3.7Data ranges and detection
Page 91 and 92: The bathymetry data for December 20
Page 93 and 94: Bathymetry data from December 2011
Page 95 and 96: 4. DiscussionWithin the Offshore Di
Page 97 and 98: 6. AcknowledgementsThis report was
Page 99: Appendix AGeo Oceans Report
Page 102 and 103: Benthic Habitat AssessmentTowed Vid
Page 104 and 105: 1. IntroductionGeo Oceans was commi
Page 106 and 107: Table 2 Tide predictions for the Po
Page 108 and 109: Figure 1 Substrate and biota habita
Page 110 and 111: Figure 2 Depth data collected durin
Page 112 and 113: Appendix 1: Video analysis biologic
Page 115: Appendix BGeoImage Report
Page 120 and 121: Figure 1: Study site overview for s
Page 122 and 123: Project 1Project 1 aimed to generat
Page 124 and 125: Figure 2: Tier 1 classification res
Page 126 and 127: Limitations and assumptionsA number
Page 129: Appendix CSeagrass Monitoring Site
Page 147: Appendix ESeagrass Shoot Count Data
Page 155: Appendix GSediment Field Log
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Appendix INutrient and Metals Data
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MarineandFreshwaterResearchLaborato
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