Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
Remote Sensing and Image Interpretation
Remote Sensing and Image Interpretation
Preface: 3D Remote Sensing in Forestry
International Journal of Remote Sensing - 3D Remote Sensing in Forestry
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Analysis of full-waveform pulses from space-based laser altimeter systems are expected to improve our ability of measuring forests globally. Moreover, with the increase in the number of waveform data sets, it is now possible to study temporal changes in waveform returns over the same spatial domain. ICESat full waveform data from two epochs, i.e. winter and summer (2003) along near-coincident ground tracks, are studied. Data analysis methods are discussed, including normalization and matching of near-coincident waveforms, Gaussian decomposition, and derivation of forest measurement and forest change parameters. We quantify differences between winter and summer waveforms, acquired over broad-leaved, mixed-wood, and needle-leaved forests in Europe. The results indicate that, although maximum tree height barely changes over six months, i.e.