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GEOMORPHIC CHANGE DETECTION

April 30 th to May 1 st , 2014 Sponsored by:. H. Getting to Know GCD 6 Software. GEOMORPHIC CHANGE DETECTION. Essential Best Practices to Support GCD Traditional Approaches to Change Detection Change Detection in Raster Calculator vs. GCD Getting to know GCD Software

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GEOMORPHIC CHANGE DETECTION

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  1. April 30th to May 1st , 2014 Sponsored by: H. Getting to Know GCD 6 Software GEOMORPHIC CHANGE DETECTION

  2. Essential Best Practices to Support GCD Traditional Approaches to Change Detection Change Detection in Raster Calculator vs. GCD Getting to know GCD Software Thresholding Alternatives Recap & Preview of Day 2 WORKSHOP PLAN – DAY 1… (AFTERNOON) 1:00 to 1:45 1:45 to 2:15 2:15 to 3:00 3:00 to 3:15 BREAK 3:15 to 4:00 4:00 to 4:45 4:45 to 5:00 A Plan.. Not a Contract

  3. GCD SOFTWARE

  4. DOD 3 • Matlab, Wizard Based • Easy to modify code • Don’t need to know how to code to use… • Poor Map Visualization • ASCII grids

  5. GCD 4 • ArcGIS Plugins (9 & 10) • Stand Alone Version • Big Effort was on Underlying C++ Library • Can be ported into stand-alone apps, web apps, or Arc plugins

  6. GCD 5.2.0 • More focus on User Interface • Flexible Analyses • Extended Functionality • More Interactivity w/ Analysis

  7. THIS ANALYSIS USED TO BE CUMBERSOME • GCD 5 made it easier to: • Robustly estimate errors in DEMs • Determine significance of uncertainty on DoD & Sediment Budget • Calculate change in storage sediment budgets (with +/- vol.) • Quantitatively interpret and spatially segregate budget http://gcd.joewheaton.org

  8. GCD 6 • New Project Explorer • Major Back End Improvements • Cleaner, more logical UI • Portable Projects • Easier Map Interface • Automatic Reporting • Add-In

  9. Matlab Software & Methods presented developed in association with: James Brasington Steve Darby & David Sear GCD 5 Software developed with Philip Bailey Frank Poulsen GCD 4 Software developed with: Chris Garrard Funding from: ACKNOWLEDGEMENTS

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