![Page 1: ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric](https://reader031.vdocument.in/reader031/viewer/2022012919/5697bf9a1a28abf838c922a8/html5/thumbnails/1.jpg)
ECHIDNA® Pilot Study Mt Gambier: Objectives and Results
Glenn Newnham & Darius Culvenor
Ensis Forests
David Jupp & Jenny Lovell
CSIRO Marine & Atmospheric Research
March 2006
![Page 2: ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric](https://reader031.vdocument.in/reader031/viewer/2022012919/5697bf9a1a28abf838c922a8/html5/thumbnails/2.jpg)
ECHIDNA® Pilot Study Mt Gambier
ECHIDNA® Validation Instrument (EVI)
ECHIDNA® Validation Instrument (EVI)
Unique design:
Full waveform digitising
Full hemispherical scanning
Variable beam divergence
Deliberately over-engineered scientific instrument
Single scan takes 3 – 20 mins
0.2 – 4 million individual laser pulses
200MB – 4GB of data
Data interpretation currently office-based
![Page 3: ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric](https://reader031.vdocument.in/reader031/viewer/2022012919/5697bf9a1a28abf838c922a8/html5/thumbnails/3.jpg)
ECHIDNA® Pilot Study Mt Gambier
EVI Data: Waveforms
![Page 4: ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric](https://reader031.vdocument.in/reader031/viewer/2022012919/5697bf9a1a28abf838c922a8/html5/thumbnails/4.jpg)
ECHIDNA® Pilot Study Mt Gambier
Results – Heights
ECHIDNA® Validation Instrument Height Estimation
Determine the height at which the mean waveform reaches the noise floor
Slight negative bias
![Page 5: ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric](https://reader031.vdocument.in/reader031/viewer/2022012919/5697bf9a1a28abf838c922a8/html5/thumbnails/5.jpg)
ECHIDNA® Pilot Study Mt Gambier
Results – Heights
EVI Predominant Height (PDH) computed from mean height
Strong relationship to ForestrySA PDH
Slight negative bias Predominant Height
y = 0.9498xR = 0.87
0
10
20
30
40
50
0 10 20 30 40 50
ForestrySA PDH
EV
I PD
H
![Page 6: ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric](https://reader031.vdocument.in/reader031/viewer/2022012919/5697bf9a1a28abf838c922a8/html5/thumbnails/6.jpg)
ECHIDNA® Pilot Study Mt Gambier
Other Outputs – Discrete Point Analysis
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ECHIDNA® Pilot Study Mt Gambier
Other Outputs – Discrete Point Analysis
Digital Elevation Model Canopy Elevation Model