aag - april 8th 2005
DESCRIPTION
3-D BENTHIC TERRAIN MAPPING AND MODELING IN AMERICAN SAMOA. Ronald W Rinehart Oregon State University [email protected] Dr. Dawn Wright Oregon State University [email protected] Emily Lundblad - PowerPoint PPT PresentationTRANSCRIPT
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AAG - April 8th 2005
3-D BENTHIC TERRAIN MAPPING AND MODELING IN AMERICAN SAMOA
Ronald W RinehartOregon State [email protected]
Dr. Dawn WrightOregon State [email protected]
Emily LundbladJoint Inst. for Marine and Atmospheric Research, Coral Reef Ecosystem Div., NOAA Fisheries, Univ. of Hawaii [email protected]
Emily LarkinKnauss Marine [email protected]
Joshua MurphyNOAA Coastal Services [email protected]
Lori Cary-KotheraNOAA Coastal Services [email protected]
![Page 2: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/2.jpg)
Objectives
• Improve bathymetric mapping with GIS
• Generate a classified benthic terrain map
• Automated user friendly system
• Standardized language
• Collaboration - share analyses
![Page 3: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/3.jpg)
Charting Our Course
• Benthic Terrain Modeler (BTM) Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
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4
BTM Methodology 101
Fine BPI+
+Coarse BPI
Slope
Step One Step Two Step Three
Bathymetry
BenthicTerrain
Step Four
ClassificationDictionary
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Bathymetric Position Index – How it Works
Hilltop
ValleyCoarse BPI
Ridge Crest
Stream Channel
Open Slope
Fine BPI
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Bathymetric Position Index
ClassifiedTerrain Map
Stream Channel onA Sloping Hillside
Run the data through the dictionary and…
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7
BTM Methodology 101
Fine BPI+
+Coarse BPI
Slope
Step One Step Two Step Three
Bathymetry
BenthicTerrain
Step Four
ClassificationDictionary
![Page 8: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/8.jpg)
Charting Our Course
• Benthic Terrain Modeler Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
![Page 9: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/9.jpg)
Wizard Interface
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Help Menu
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Time Saving – Re-use Results
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Classification Dictionary
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Classification Dictionary
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Classification Dictionary - XML
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System Recommendations
• ArcGIS 8.x or ArcGIS 9.0 SP2
• Spatial Analyst
• > 2.0 Ghz Processor
• > 1Gigabyte of Hard Disk Space
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Charting Our Course
• Benthic Terrain Modeler Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
![Page 17: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/17.jpg)
Vatia Bay
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Tutuila Island and Vatia Bay
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Bathymetry
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Benthic Terrain of Vatia Bay
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Profile Analysis
Image Courtesy of NOAA Biogeography
Reef CrestForereef
Reef Crest
Forereef
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Benthic Terrain of Vatia Bay
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Distribution on the web
http://dusk.geo.orst.edu/djl/samoa/tools.html
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Charting Our Course
• Benthic Terrain Modeler Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
![Page 25: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/25.jpg)
Objectives – Re-visited
• Improve bathymetric mapping with GIS
• Generate a classified benthic terrain map
• Automated user friendly system
• Standardized language
• Collaboration - share analyses
![Page 26: AAG - April 8th 2005](https://reader036.vdocuments.site/reader036/viewer/2022062423/5681479f550346895db4d841/html5/thumbnails/26.jpg)
Soothsaying
• Seafloor mapping community driven
• Applicability outside of coral reefs
• Ground-truthing mission
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Thanks
• Pat Iampetro
• Andy Weiss
• Jeff Jenness
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AAG - April 8th 2005
3-D BENTHIC TERRAIN MAPPING AND MODELING IN AMERICAN SAMOA
Ronald W RinehartOregon State [email protected]
Dr. Dawn WrightOregon State [email protected]
Emily LundbladJoint Inst. for Marine and Atmospheric Research, Coral Reef Ecosystem Div., NOAA Fisheries, Univ. of Hawaii ManoaEmily. [email protected]
Emily LarkinKnauss Marine [email protected]
Joshua MurphyNOAA Coastal Services [email protected]
Lori Cary-KotheraNOAA Coastal Services [email protected]