environmental and sensor limitations in optical remote sensing of coral reefs: implications for monitoring and sensor design

Clicks: 247
ID: 224984
2012
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Abstract
A generic method was developed for analysing the capabilities of optical remote sensing of aquatic systems in terms of environmental components and imaging sensor configurations. The method was based on a component based model of the entire system in which not only benthic composition but other environmental components such as water inherent optical properties (IOPs), bathymetry, sun elevation, wind speed and sensor noise characteristics were defined by datasets with the potential to include across-image variation. The model was applied to data from Pacific Ocean reefs in an airborne sensor context to estimate the primary environmental or sensor factors confounding discrimination of benthic mixtures of key reef types: live coral, bleached coral, dead coral and macroalgae. Results indicate that spectral variation of benthic types and sub-pixel mixing is the primary limiting factor for benthic mapping objectives, whereas instrument noise levels are a minor factor.
Reference Key
hedley2012remoteenvironmental Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;John D. Hedley;Chris M. Roelfsema;Peter J. Mumby;Stuart R. Phinn
Journal Journal of pharmacological sciences
Year 2012
DOI
10.3390/rs4010271
URL
http://www.mdpi.com/2072-4292/4/1/271/
Keywords
remote sensing coral reefs inherent optical properties aquatic

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