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ICAS Conference, Bucharest, 23.10.2008 Large Scale Forest Taxation based on Single Tree Measurements using Airborne Laser Scanning Data and Spectral Information from Quickbird Satellite Imagery and Digital Orthophotos     Dr. Markus Weidenbach Dr. Roeland de Kok  landConsult.de Geographical Information Management and Environmental Planning Spannstattstrasse 40, D-77773 Schenkenzell , Germany http:// laser. landConsult.de
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Consulting and Training  in Nature Protection, Biodiversity and Object Based Image Analysis   Training Material at http://landconsult.de/dobrogea   „ Training on the Job“ for Definiens Developer (formerly e.cognition) users
Counting Trees from Space using Quickbird Satellite Images Methodology: Object Based Image Analysis  (OBIA) with Definiens Developer Example: Baneasa Park from  Google Earth  http://landconsult.de/google-data/baneasa-park.kmz   (file size 2 MB)
Example: Poland, mixed pinus stands Mixed Pinus / Oak Stand: 92%  of all terrestrialy counted single trees were automatically registered Pinus Stand:  95%  of all terrestrialy counted single trees were automatically registered Alnus Stand: 97%  of all terrestrialy counted single trees were automatically registered
Example:  South Africa,  6.300 ha  of Pinus and Eucalyptus Plantations some  3.5 Mio. trees  and the NDVI of their crowns have been automaticaly detected and registered in a GIS database Tree Density (trees per ha)
Example: Germany, Black Forest, Plenter Wood (single tree selection stands), Quickbird Satellite, Sept. 2007 City of Freudenstadt im Schwarzwald  Individual Tree Detection in Picea Abies / Abies Alba (Fagus Sylvatica) Plenter Woods
Example: Germany, Plenter Wood (single tree selection)
Counting Trees from Aerial Photographs and Laser Surface Models Ex 1: Hasselblad DigiCam, *jpg, Hansa Luftbild, Recorded in November Ex. 2: True-Orthophoto, FALCON II, 8 bit  + LiDAR, TopoSys, in April Ex. 3: Vexcel UltraCam 12 bit, Geodät. Institut, Helsinki, Finland Ex. 4: Laser Scannin Surface Model, Sachsenforst, Germany
Measuring Tree Volume and other  Forest Parameters with Laser Data Airborne Laser Scanning Data
Digital elevation model generated from aerial laser scanning data that reveals „hidden“ structures under the forest canopy, such as roads, ditches or  deadwood on the ground.  Digital model of the canopy generated from aerial laser data. This model is used to detect and measure individual trees.  Individual trees with terrain model in the background.   Altitude in m
View to the  Plenter Wood sample plot (1 ha) . The reddish colours stem from the near infrared sensor which can be used to automatically discriminate different tree species and urban structures like roads and other sealed areas.
Example: Germany, Plenter Wood (single tree selection)
Measuring Tree Volume and other  Forest Parameters with Laser Data on large scale even aged forests in Saxonia On 270 ha, some 95.000 trees have been automatically measured
[object Object],[object Object],[object Object],[object Object],[object Object],31. 17 m 4 78  cbm/ha 33.91 m 6 64  cbm/ha 29.05 m 4 29  cbm/ha 16.28 m 1 48  cbm/ha 25.91 m 46 2  cbm/ha 30.85 m 4 3 0  cbm/ha Yield table for Spruce with annual mean  yield of 12 cbm
Data Fusion
Other LiDAR Applications: Terrestrial Laser
LiDAR is suitable to measure many forestry parameters in comprehensive and measurabel way. It is a valuable addition to traditional methods and a perfect basis for long-term forestry monitoring. Following Forest Parameters can already be assessed with the first LiDAR data generation:  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Conclusions: Airborne Laser Scanning
Perspectives Satellite Scanners versus Aerial Imagery http://www. itc .nl/ research / products / sensordb / Launch _Schedule. aspx http://www. geoeye . com  (launched Sept 2008,  0.41-meter panchromatic and 1.65-meter multispectral imagery  ) http://www. rapideye . net /  (launched August 2008, 5 Satellites to obesrve the different vegetation periods    useful to discriminate tree species)  http://www. digitalglobe . com /  (WorldView1 with 50 cm resolution im Pan) http://www. eurimage . com  (European reseller of Quickbird, 60 cm Pan and 2,4 m  NIR, price starting from ca. 0.13 € per ha) http://en. wikipedia . org / wiki /Indian_ Remote _ Sensing _ satellite  (CartoSat, ca. 0.30 €/ha for a 2.5 m StereoPan including Surfacemodel)  ALOS (Radar and 2.5 Meter Stereo Panchromatisch – PRISM, even more economical than CartoSat) http://www. infoterra .de/  (TerraSAR X-Band Radar Sensor with up to 1 m ground resolution, in 2008/09 another Radar Satellite to process surface models is foreseen, L-Band und P-Band evtl. suitable to modell the terrain  under forest cover) http://en. wikipedia . org / wiki / ICESat  (ICESat/Glas, LiDAR Data from Space) HyperSpectral Sensors (suitable to discriminate tree species)
Thank you for your attention This presentation will be available for your download at http://laser.landconsult.de

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Large Scale Forest Taxation based on Single Tree Measurements by means of Airbnorne Laser Scanning Data and Spectral Information from Quickbird Imagery and Digital Orthophotos

  • 1. ICAS Conference, Bucharest, 23.10.2008 Large Scale Forest Taxation based on Single Tree Measurements using Airborne Laser Scanning Data and Spectral Information from Quickbird Satellite Imagery and Digital Orthophotos     Dr. Markus Weidenbach Dr. Roeland de Kok landConsult.de Geographical Information Management and Environmental Planning Spannstattstrasse 40, D-77773 Schenkenzell , Germany http:// laser. landConsult.de
  • 2.
  • 3.
  • 4. Consulting and Training in Nature Protection, Biodiversity and Object Based Image Analysis Training Material at http://landconsult.de/dobrogea „ Training on the Job“ for Definiens Developer (formerly e.cognition) users
  • 5. Counting Trees from Space using Quickbird Satellite Images Methodology: Object Based Image Analysis (OBIA) with Definiens Developer Example: Baneasa Park from Google Earth http://landconsult.de/google-data/baneasa-park.kmz (file size 2 MB)
  • 6. Example: Poland, mixed pinus stands Mixed Pinus / Oak Stand: 92% of all terrestrialy counted single trees were automatically registered Pinus Stand: 95% of all terrestrialy counted single trees were automatically registered Alnus Stand: 97% of all terrestrialy counted single trees were automatically registered
  • 7. Example: South Africa, 6.300 ha of Pinus and Eucalyptus Plantations some 3.5 Mio. trees and the NDVI of their crowns have been automaticaly detected and registered in a GIS database Tree Density (trees per ha)
  • 8. Example: Germany, Black Forest, Plenter Wood (single tree selection stands), Quickbird Satellite, Sept. 2007 City of Freudenstadt im Schwarzwald Individual Tree Detection in Picea Abies / Abies Alba (Fagus Sylvatica) Plenter Woods
  • 9. Example: Germany, Plenter Wood (single tree selection)
  • 10. Counting Trees from Aerial Photographs and Laser Surface Models Ex 1: Hasselblad DigiCam, *jpg, Hansa Luftbild, Recorded in November Ex. 2: True-Orthophoto, FALCON II, 8 bit + LiDAR, TopoSys, in April Ex. 3: Vexcel UltraCam 12 bit, Geodät. Institut, Helsinki, Finland Ex. 4: Laser Scannin Surface Model, Sachsenforst, Germany
  • 11. Measuring Tree Volume and other Forest Parameters with Laser Data Airborne Laser Scanning Data
  • 12. Digital elevation model generated from aerial laser scanning data that reveals „hidden“ structures under the forest canopy, such as roads, ditches or deadwood on the ground. Digital model of the canopy generated from aerial laser data. This model is used to detect and measure individual trees. Individual trees with terrain model in the background. Altitude in m
  • 13. View to the Plenter Wood sample plot (1 ha) . The reddish colours stem from the near infrared sensor which can be used to automatically discriminate different tree species and urban structures like roads and other sealed areas.
  • 14. Example: Germany, Plenter Wood (single tree selection)
  • 15. Measuring Tree Volume and other Forest Parameters with Laser Data on large scale even aged forests in Saxonia On 270 ha, some 95.000 trees have been automatically measured
  • 16.
  • 18. Other LiDAR Applications: Terrestrial Laser
  • 19.
  • 20. Perspectives Satellite Scanners versus Aerial Imagery http://www. itc .nl/ research / products / sensordb / Launch _Schedule. aspx http://www. geoeye . com (launched Sept 2008, 0.41-meter panchromatic and 1.65-meter multispectral imagery ) http://www. rapideye . net / (launched August 2008, 5 Satellites to obesrve the different vegetation periods  useful to discriminate tree species) http://www. digitalglobe . com / (WorldView1 with 50 cm resolution im Pan) http://www. eurimage . com (European reseller of Quickbird, 60 cm Pan and 2,4 m NIR, price starting from ca. 0.13 € per ha) http://en. wikipedia . org / wiki /Indian_ Remote _ Sensing _ satellite (CartoSat, ca. 0.30 €/ha for a 2.5 m StereoPan including Surfacemodel) ALOS (Radar and 2.5 Meter Stereo Panchromatisch – PRISM, even more economical than CartoSat) http://www. infoterra .de/ (TerraSAR X-Band Radar Sensor with up to 1 m ground resolution, in 2008/09 another Radar Satellite to process surface models is foreseen, L-Band und P-Band evtl. suitable to modell the terrain under forest cover) http://en. wikipedia . org / wiki / ICESat (ICESat/Glas, LiDAR Data from Space) HyperSpectral Sensors (suitable to discriminate tree species)
  • 21. Thank you for your attention This presentation will be available for your download at http://laser.landconsult.de