Vegetation Mapping and Measurement   using LiDARan INDUSTRY SURVEY
Vegetation MappingToby Clewett                                            and Measurement                                 ...
Vegetation MappingToby Clewett                              and Measurement                                               ...
Project Motivations                                                              Vegetation Mapping                       ...
Geospatial Revolution                                                 Vegetation Mapping                                  ...
LiDAR Success on the Sunshine Coast                                            Vegetation Mapping                         ...
Point Clouds – a Rich Source of Information                                          Vegetation Mapping                   ...
300 Billion Points Across Queensland?                                  Vegetation Mapping                                 ...
Industry Best Practice                                                      Vegetation Mapping                            ...
Structured Research                                                           Vegetation Mapping                          ...
Survey Method and Response                                                     Vegetation Mapping                         ...
Survey Method and Response                                                 Vegetation Mapping                             ...
Survey Method and Response                                          Vegetation Mapping                                    ...
Survey Method and Response                                               Vegetation Mapping                               ...
Survey Method and Response                                               Vegetation Mapping                               ...
Survey Method and Response                                            Vegetation Mapping                                  ...
Survey Method and Response                                                  Vegetation Mapping                            ...
Spatial Cognition                                  Vegetation Mapping                                                     ...
Spatial Cognition                                  Vegetation Mapping                                                     ...
Spatial Cognition                                  Vegetation Mapping                                                     ...
Spatial Cognition                                           Vegetation Mapping                                            ...
Spatial Cognition                                  Vegetation Mapping                                                     ...
LiDAR Applications Diversity                 Vegetation Mapping                                                           ...
LiDAR Applications Diversity                       Vegetation Mapping                                                     ...
LiDAR Applications Diversity                        Vegetation Mapping                                                    ...
Coordination in the Future            Vegetation Mapping                                                                  ...
Coordination in the Future          Vegetation Mapping                                                                    ...
Coordination in the Future          Vegetation Mapping                                                                    ...
Coordination in the Future          Vegetation Mapping                                                                    ...
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Vegetation Mapping and Measurement using LiDAR - an Industry Survey by Toby Clewett

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Vegetation Mapping and Measurement using LiDAR - an Industry Survey by Toby Clewett

  1. 1. Vegetation Mapping and Measurement using LiDARan INDUSTRY SURVEY
  2. 2. Vegetation MappingToby Clewett and Measurement using LiDARGeospatial Analyst INDUSTRY SURVEY by TOBY CLEWETT Sunshine Coast Captain Cook’s ‘Glasshouse Mountains’
  3. 3. Vegetation MappingToby Clewett and Measurement using LiDARGeospatial Analyst INDUSTRY SURVEY by TOBY CLEWETT Geographical SoftwareInformation Systems Engineering GIS Remote Sensing
  4. 4. Project Motivations Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Project Motivations • LiDAR Technology opportunities • gain knowledge of industry Best Practice • further my Structured Research and technical skills
  5. 5. Geospatial Revolution Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT
  6. 6. LiDAR Success on the Sunshine Coast Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT - Detailed topographic maps for intensely vegetated environments with a canopy height Vegetation Patch Mean Crown Height thematic for ‘Emergent’ Trees - Vegetation maps for the Sunshine Coast highlighting 14m remnant, regrowth and other patch types such as 22m plantation forestry - Regional Vegetation Maps Patch Crown Height 6m - Sippy Downs Riparian Area
  7. 7. Point Clouds – a Rich Source of Information Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT LiDAR presents huge opportunity for the environmental sciences • Visualisation from two LiDAR data sources. Larger points are laser strikes from an Aerial Laser Survey (ALS), whilst the finer points are from a Terrestrial Laser Survey (TLS).
  8. 8. 300 Billion Points Across Queensland? Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT
  9. 9. Industry Best Practice Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Gain knowledge of industry Best Practice
  10. 10. Structured Research Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEY Motivations Cognition in the Future Response Diversity by TOBY CLEWETT Structured Research - Spatial Sciences Thesis How do we best inform vegetation Professor Stuart Phinn Director, Centre for Spatial management at local to regional Environmental Research (CSER) scales using LiDAR derived biophysical characteristics? Dr Tiffany Morrison Senior Lecturer in Environmental Planning
  11. 11. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Survey Method and Response ‘Snowball’ or ‘Chain-Referal’ Sampling survey of United States Landsat users: The population of Landsat users in the U.S. can be characterized as "unknown" because there is no list that contains contact information for every user in the U.S. from which to sample. Email Based
  12. 12. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Survey Response by Location South-east Australia Pacific Rim Queensland
  13. 13. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT 57% Response Rate 157 Completed Surveys
  14. 14. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT ABS Standard Professions Maybe 10,000 professionals within South-east Queensland (population 3 million) i.e. 0.3%
  15. 15. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Web-Based Survey Numerous examples across a broad range of areas 1) Respondent Backgrounds 2) LiDAR derived vegetation mapping information 3) Barriers and Additional Issues
  16. 16. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Twenty-Four Maps Height, FPC, Aggregated LiDAR Heights
  17. 17. Survey Method and Response Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Seven Minutes of GIS Video Animation http://www.youtube.com/user/tobyclewett
  18. 18. Spatial Cognition Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Spatial Cognition
  19. 19. Spatial Cognition Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEY How easy is it toMotivations Response Cognition Diversity in the Future by TOBY CLEWETT look at the colours in this map and determine theheight of objects? 9 7 83 Clear (83%) Not Clear (7%) Unsure (9%)
  20. 20. Spatial Cognition Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT
  21. 21. Spatial Cognition Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Mapping Scale Frequency Parcel Street Suburb Regional National 1:1,000 1:5,000 1:50,000 1:100,000 1:500,000
  22. 22. Spatial Cognition Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Question: at what Scale do you most often use Maps? “I most often•use parcel scale the most used (32%) mapping scale Parcel Scale was mapping. The scales I would use after that would be Spread with street (26%) Suburb Scale, and so on..” • Even Street Scale, then and suburb scales (23%)
  23. 23. LiDAR Applications Diversity Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT ‘Vegetated Polygon Respondents chose Extents’ a list the from was of A Two Thirds Majority vegetation related most useful put ‘Leaf Area Index’ biophysicalas less, Even Spreaduseful the least or not of characteristics. ‘Foliage indicates the Projectiveof uses diversity Cover’ But…11% thought is and for LiDAR data was ‘Most Useful’! Theyin ‘Height’ from rated them vegetation were the??? andtord ‘most useful’ 3 2nd management ‘least useful most useful’ Selection was optional
  24. 24. LiDAR Applications Diversity Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT LiDAR Applications Diversity • regrowth or remnant vegetation status, age, bio-condition, or structure, optimising and planning field work • wildfire behaviour, prescribed burns, fuel loads and property buffers • land-cover classification, the built form, street trees, shade, suburban footpaths and recreation, urban vegetation corridors and heat island effects • flood modelling, riparian condition, status and structure • road corridor design
  25. 25. LiDAR Applications Diversity Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Four Questions – Height, FPC, Software, Scaled e.g. …Would using Vegetation Height Mapping at a street scale (1:2,000), increase the efficiency, quality or consistency of your work? Briefly describe why/how in the text box below. • Very Likely • Likely • Unsure • Unlikely • Very Unlikely 71% Likely or Very Likely
  26. 26. Coordination in the Future Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT 100 90 80 Barriers Feedback on this question was very 70 strong, with 87% of 60 50 40 39 respondents describing 40 31 21 barriers that may exist 30 20 11 to effectively utilise 10 LiDAR derived 0 maps, mapping products or GIS analyses in their work
  27. 27. Coordination in the Future Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT Barriers Knowledge Systems Cost “Time to barrier. When LIDAR data is purchased, or “In terms of utilising LiDAR derived Computing power.” “Cost is ado so - do the processing. maps for the purpose of riparian the full range of analysis a knowledge/resource licensed,modelling, there is a bit ofproducts are seldom gap “Appropriate by the project that necessary it. Often it from on how to extract and utilise the purchased informationis budgeted for hardware to manage large volumes of data” LiDAR to provide for another project to require a different necessary to waitvaluable inputs into other environmental models.” product before the money can be found. This approach ultimately wastes both time and money.”
  28. 28. Coordination in the Future Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT #%@*! Key Issues Quality Limitations Accuracy “Data quality (i.e. accuracy analysis of products). “Assessment of limitations Assessment of accuracy and confidence level of “Accuracy of the LiDAR; Field calibration/validation; LiDAR information (i.e. especially considering derivative information)” is able Comparison between different sensors topurposedata capture specifications and sensor type; ensure of the tomapping; available skills; data licensing” be compared.”
  29. 29. Coordination in the Future Vegetation Mapping and Measurement using LiDAR Project Survey LiDAR Spatial Coordination Method and Applications INDUSTRY SURVEYMotivations Cognition in the Future Response Diversity by TOBY CLEWETT

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