Fig. 2A shows a portion of the Landsat-7 ETM+ image and overlaid SLA-02 footprints at a test site within the study area. SLA-02 shots 29478 and 29479 were located within a forest stand (Fig. 2B) and a fallow agricultural field (Fig. 2C), respectively. Fig. 3 shows the SLA-02 lidar waveforms from these two lidar shots. From the lidar shots, the ground cover type (forest or non-forest), the height of the ground surface and the tree height can be estimated. For example, in Fig. 3A, the vertical line was added to the waveform to show the estimated noise level. The start point of the waveform, i.e. the first signal above the noise level, occurred near the bin 129. A ground return peak, i.e. the last peak in the waveform is located at bin 101. Since the width of each bin is 0.6 m and