Embed Size (px)
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 Presentation
Citation preview
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]
Objectives
• Improve bathymetric mapping with GIS
• Generate a classified benthic terrain map
• Automated user friendly system
• Standardized language
• Collaboration - share analyses
Charting Our Course
• Benthic Terrain Modeler (BTM) Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
4
BTM Methodology 101
Fine BPI+
+Coarse BPI
Slope
Step One Step Two Step Three
Bathymetry
BenthicTerrain
Step Four
ClassificationDictionary
Bathymetric Position Index – How it Works
Hilltop
ValleyCoarse BPI
Ridge Crest
Stream Channel
Open Slope
Fine BPI
Bathymetric Position Index
ClassifiedTerrain Map
Stream Channel onA Sloping Hillside
Run the data through the dictionary and…
7
BTM Methodology 101
Fine BPI+
+Coarse BPI
Slope
Step One Step Two Step Three
Bathymetry
BenthicTerrain
Step Four
ClassificationDictionary
Charting Our Course
• Benthic Terrain Modeler Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
Wizard Interface
Help Menu
Time Saving – Re-use Results
Classification Dictionary
Classification Dictionary
Classification Dictionary - XML
System Recommendations
• ArcGIS 8.x or ArcGIS 9.0 SP2
• Spatial Analyst
• > 2.0 Ghz Processor
• > 1Gigabyte of Hard Disk Space
Charting Our Course
• Benthic Terrain Modeler Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
Vatia Bay
Tutuila Island and Vatia Bay
Bathymetry
Benthic Terrain of Vatia Bay
Profile Analysis
Image Courtesy of NOAA Biogeography
Reef CrestForereef
Reef Crest
Forereef
Benthic Terrain of Vatia Bay
Distribution on the web
http://dusk.geo.orst.edu/djl/samoa/tools.html
Charting Our Course
• Benthic Terrain Modeler Methodology
• BTM Program
• Case Study: Vatia Bay, American Samoa
Objectives – Re-visited
• Improve bathymetric mapping with GIS
• Generate a classified benthic terrain map
• Automated user friendly system
• Standardized language
• Collaboration - share analyses
Soothsaying
• Seafloor mapping community driven
• Applicability outside of coral reefs
• Ground-truthing mission
Thanks
• Pat Iampetro
• Andy Weiss
• Jeff Jenness
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]
