1. ECHIDNA ® Pilot Study Mt Gambier: Objectives and Results Glenn Newnham & Darius Culvenor Ensis Forests David Jupp & Jenny Lovell CSIRO Marine & Atmospheric Research March 2006

2. ECHIDNA® Pilot Study Mt Gambier 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

3. ECHIDNA® Pilot Study Mt Gambier EVI Data: Waveforms

4. 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

5. ECHIDNA® Pilot Study Mt Gambier Results – Heights EVI Predominant Height (PDH) computed from mean height  Strong relationship to ForestrySA PDH  Slight negative bias

6. ECHIDNA® Pilot Study Mt Gambier Other Outputs – Discrete Point Analysis

7. ECHIDNA® Pilot Study Mt Gambier Other Outputs – Discrete Point Analysis Digital Elevation ModelCanopy Elevation Model