Technology in urban forestry
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Presentation at the PenDel ISA Conference 2/12/19. Presentation is broken into 4 "types" of technology; 1)Top Down; 2)Bottom Up; 3)Software; 4)Apps
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Technology in urban forestry
- 1. Technology in Urban Forestry Josh Behounek Josh.Behounek@davey.com @treesrtheanswr
- 2. Technology won’t replace arborists but arborists who use technology will probably replace arborist who do not.
- 7. Urban Tree Canopy (UTC) 0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% Ward 1 Ward 2 Ward 3 Ward 4 Ward 5 Ward 6 UTC 36%
- 8. Available Planting Locations Citywide Estimated Planting Acres Estimated Number of Trees Columbia 1,098.37 67,769 Neighborhoods Estimated Planting Acres Estimated Number of Trees Central 3.56 220 East 16.43 1,014 North 12.07 745 Wards Estimated Planting Acres Estimated Number of Trees First 55.82 3,444 Second 197.61 12,193 Third 382.93 23,627 Fourth 63.60 3,924 Fifth 127.01 7,836 Sixth 276.60 17,066
- 10. 193 Flight Segments 266 Spectral Bands (410 – 2495 nm) GREEN – 1m GSD YELLOW – 2m GSD Hyperspectral Imagery (HSI)
- 11. Field Spectral Data Collection • Field data collection used to confirm capability to detect and identify target tree species • Field spectra used to tailor analysis methodology for large-scale analysis of aerial data (>1Terrabyte) Ground Truthing
- 12. Legend white ash green ash American elm northern red oak
- 13. Hyperspectral Imagery - Results
- 14. Predicted Loss of Canopy Due to Invasive Insects and Diseases Species Evanston Skokie Wilmette Winnetka green and white ash 35.1 34.4 28.0 31.4 American elm 15.3 8.6 8.8 8.7 northern red oak 12.9 11.7 8.2 9.3 Total Canopy (acres) 63.3 54.7 45.0 49.4
- 15. LiDAR & PhoDAR
- 16. Applications • Urban Tree Canopy Cover • Tree Height • Crown Height • Crown Width • DBH • Distance to Utility Lines
- 17. PhoDAR
- 18. Remote Sensing Drones Plant health using the VARI model
- 19. 1ft per pixel 1.5 inch per pixel
- 20. Drone Considerations 134 Acre Site ● DJI phantom 3 standard ● Altitude of 350 ft above ground level ● FAA regulations ● ~25 minutes to complete flight ● ~ 5 hours to process point cloud in Pix4D ● Additional ~2 hrs to process orthomosaic imagery
- 25. Google Street Tree Inventory
- 27. MIT Green View Index
- 29. Crowd Sourced Tree Inventory
- 31. Internet of Things • Smart Landscape • Clients can view data generated by sensors in their landscape • Measure: • Soil moisture – 2 depths • Soil temperature – 2 depths • Ambient temperature – for Nature Clock • Tilt • Notifications, useful links, etc
- 33. Software
- 37. Urban Tree Canopy Web Viewer
- 42. Story Map – Critical Forest
- 43. Story Map – Priority Planting
- 44. Landscape i-Tree Suite of Tools Web-based, run in your browser Installed on a Windows desktop or laptop MyTree Planting i-Tree Vision To improve forest and human health, and forest and city resiliency through easy-to-use technology that engages people globally in enhancing forest management.
- 45. Growth, Mortality, & Influx Rates Tree Cover Maps Landscape Change Climate Change Parcel-based analysis LocalSCALERegional Design Landscape Eco “All Lands” approach, to natural resource stewardship i-Tree Vision To improve forest and human health, and forest and city resiliency through easy-to-use technology that engages people globally in enhancing forest management.
- 57. Built in Aps - Measure
- 58. Skitch
- 59. Free - iPhone
- 63. Texas A&M Forest Service Tree Risk Assessment – Level 1 Free
- 66. Texas A&M Forest Service Trees Count
- 68. Free
- 75. Healthy Trees Healthy Cities
- 77. $1.99