Mathematics – Logic
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aige.work...93g&link_type=abstract
Summaries of the Sixth Annual JPL Airborne Earth Science Workshop, vol. 1, p. 93
Mathematics
Logic
Ground Truth, Canopies (Vegetation), Remote Sensing, Absorption Spectroscopy, Absorption Spectra, Data Acquisition, Absorptance, Imaging Spectrometers, California, Mountains, Surface Properties
Scientific paper
Remote sensing for ecological field studies requires ground truthing for accurate interpretation of remote imagery. However, traditional vegetation sampling methods are time consuming and hard to relate to the scale of an AVIRIS scene. The large errors associated with manual field sampling, the contrasting formats of remote and ground data, and problems with coregistration of field sites with AVIRIS pixels can lead to difficulties in interpreting AVIRIS data. As part of a larger study of fire risk in the Santa Monica Mountains of southern California, we explored a ground-based optical method of sampling vegetation using spectrometers mounted both above and below vegetation canopies. The goal was to use optical methods to provide a rapid, consistent, and objective means of "ground truthing" that could be related both to AVIRIS imagery and to conventional ground sampling (e.g., plot harvests and pigment assays).
Gamon John A.
Roberts Dar A.
Serrano Lydia
Ustin Susan L.
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