Segmentation of ALSM point data and the prediction of subcanopy sunlight distribution

Sunlight flux in forest canopies is an important source of energy for the productivity of forests and is therefore an important input to biophysical process models. High-resolution three-dimensional estimates of sunlight flux are derived from directional foliage density measured from airborne laser...

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Bibliographic Details
Main Authors: Heezin Lee, Kampa, K., Slatton, K.C.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive filters
Biological system modeling
Density measurement
Laser radar
Power engineering and energy
Productivity
Sampling methods
Sea measurements
Testing
Vegetation mapping
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Summary:Sunlight flux in forest canopies is an important source of energy for the productivity of forests and is therefore an important input to biophysical process models. High-resolution three-dimensional estimates of sunlight flux are derived from directional foliage density measured from airborne laser swath mapping data. Forest edges are shown to exhibit measurable differences in flux. A method for determining appropriate in situ sampling intervals is also presented.
ISSN:2153-6996
2153-7003
DOI:10.1109/IGARSS.2005.1526227