Fourth derivative analysis of Red Sea coral reflectance spectra,

Wettle, M., Ferrier, G., Lawrence, A.J. and Anderson, K. (2003) Fourth derivative analysis of Red Sea coral reflectance spectra,. International Journal of Remote Sensing, 24, (19), 3867-3872. (doi:10.1080/0143116031000075945).


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Reflectance spectra of coral colonies and associated sand and rubble were obtained over the fringing reefs of Eilat, Israel using two GER 1500 radiometers. The overall spectral response curve of Red Sea corals displayed the same three inflection points reported for Pacific corals, with notable differences between in vitro and in situ measurements. Fourth derivative analysis of relatively pure spectra (filling the sensor's field of view) allowed for differentiation of coral and non-coral targets with 95-99% accuracy. The characteristic peaks revealed by the fourth derivative match those obtained on Hawaiian corals.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1080/0143116031000075945
Related URLs:
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Divisions : University Structure - Pre August 2011 > School of Geography > Remote Sensing and Spatial Analysis
ePrint ID: 14796
Accepted Date and Publication Date:
Date Deposited: 01 Mar 2005
Last Modified: 31 Mar 2016 11:28

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