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Proceedings Paper

Plant pigment types, distributions, and influences on shallow water submerged aquatic vegetation mapping
Author(s): Carlton R. Hall; Charles R. Bostater Jr.; Robert Virnstein
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Paper Abstract

Development of robust protocols for use in mapping shallow water habitats using hyperspectral imagery requires knowledge of absorbing and scattering features present in the environment. These include, but are not limited to, water quality parameters, phytoplankton concentrations and species, submerged aquatic vegetation (SAV) species and densities, epiphytic growth on SAV, benthic microalgae and substrate reflectance characteristics. In the Indian River Lagoon, Fl. USA we conceptualize the system as having three possible basic layers, water column and SAV bed above the bottom. Each layer is occupied by plants with their associated light absorbing pigments that occur in varying proportions and concentrations. Phytoplankton communities are composed primarily of diatoms, dinoflagellates, and picoplanktonic cyanobacteria. SAV beds, including flowering plants and green, red, and brown macro-algae exist along density gradients ranging in coverage from 0-100%. SAV beds may be monotypic, or more typically, mixtures of the several species that may or may not be covered in epiphytes. Shallow water benthic substrates are colonized by periphyton communities that include diatoms, dinoflagellates, chlorophytes and cyanobacteria. Inflection spectra created form ASIA hyperspectral data display a combination of features related to water and select plant pigment absorption peaks.

Paper Details

Date Published: 16 November 2004
PDF: 11 pages
Proc. SPIE 5569, Remote Sensing of the Ocean and Sea Ice 2004, (16 November 2004); doi: 10.1117/12.565765
Show Author Affiliations
Carlton R. Hall, Dynamac Corp. (United States)
Charles R. Bostater Jr., Florida Institute of Technology (United States)
Robert Virnstein, St. Johns River Water Management District (United States)

Published in SPIE Proceedings Vol. 5569:
Remote Sensing of the Ocean and Sea Ice 2004
Charles R. Bostater Jr.; Rosalia Santoleri, Editor(s)

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