1. AAG - April 8th 2005 3-D BENTHIC TERRAIN MAPPING AND MODELING IN AMERICAN SAMOA Ronald W Rinehart Oregon State University rineharr@onid.orst.edu Dr. Dawn Wright Oregon State University dusk@dusk.geo.orst.edu Emily Lundblad Joint Inst. for Marine and Atmospheric Research, Coral Reef Ecosystem Div., NOAA Fisheries, Univ. of Hawaii Manoa Emily.Lundblad@noaa.gov Emily Larkin Knauss Marine Fellow Emily.larkin@gmail.com Joshua Murphy NOAA Coastal Services Center Joshua.Murphy@noaa.gov Lori Cary-Kothera NOAA Coastal Services Center Lori.Cary-Kothera@noaa.gov

2. Objectives Improve bathymetric mapping with GIS Generate a classified benthic terrain map Automated user friendly system Standardized language Collaboration - share analyses

3. Charting Our Course Benthic Terrain Modeler (BTM) Methodology BTM Program Case Study: Vatia Bay, American Samoa

4. 4 BTM Methodology 101 Fine BPI + + Coarse BPI Slope Step One Step TwoStep Three Bathymetry Benthic Terrain Step Four Classification Dictionary

5. Bathymetric Position Index – How it Works Hilltop Valley Coarse BPI Ridge Crest Stream Channel Open Slope Fine BPI

6. Bathymetric Position Index Classified Terrain Map Stream Channel on A Sloping Hillside Run the data through the dictionary and…

7. 7 BTM Methodology 101 Fine BPI + + Coarse BPI Slope Step One Step TwoStep Three Bathymetry Benthic Terrain Step Four Classification Dictionary

8. Charting Our Course Benthic Terrain Modeler Methodology BTM Program Case Study: Vatia Bay, American Samoa

9. Wizard Interface

10. Help Menu

11. Time Saving – Re-use Results

12. Classification Dictionary

14. Classification Dictionary - XML

15. System Recommendations ArcGIS 8.x or ArcGIS 9.0 SP2 Spatial Analyst > 2.0 Ghz Processor > 1Gigabyte of Hard Disk Space

16. Charting Our Course Benthic Terrain Modeler Methodology BTM Program Case Study: Vatia Bay, American Samoa

17. Vatia Bay

18. Tutuila Island and Vatia Bay

19. Bathymetry

20. Benthic Terrain of Vatia Bay

21. Profile Analysis Image Courtesy of NOAA Biogeography Reef Crest Forereef Reef Crest Forereef

22. Benthic Terrain of Vatia Bay

23. Distribution on the web http://dusk.geo.orst.edu/djl/samoa/tools.html

24. Charting Our Course Benthic Terrain Modeler Methodology BTM Program Case Study: Vatia Bay, American Samoa

25. Objectives – Re-visited Improve bathymetric mapping with GIS Generate a classified benthic terrain map Automated user friendly system Standardized language Collaboration - share analyses

26. Soothsaying Seafloor mapping community driven Applicability outside of coral reefs Ground-truthing mission

27. Thanks Pat Iampetro Andy Weiss Jeff Jenness

28. AAG - April 8th 2005 3-D BENTHIC TERRAIN MAPPING AND MODELING IN AMERICAN SAMOA Ronald W Rinehart Oregon State University rineharr@onid.orst.edu Dr. Dawn Wright Oregon State University dusk@dusk.geo.orst.edu Emily Lundblad Joint Inst. for Marine and Atmospheric Research, Coral Reef Ecosystem Div., NOAA Fisheries, Univ. of Hawaii Manoa Emily. Lundblad@noaa.gov Emily Larkin Knauss Marine Fellow Emily.larkin@gmail.com Joshua Murphy NOAA Coastal Services Center Joshua.Murphy@noaa.gov Lori Cary-Kothera NOAA Coastal Services Center Lori.Cary-Kothera@noaa.gov