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June 15, 2006IEE Proceedings - Radar Sonar and Navigation

Mapping ocean surface features using biogenic slick-fields and SAR polarimetric decomposition techniques

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Authors

DSD.L. SchulerJLJ.-S. Lee

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Overview

Remote sensing evaluation demonstrates accurate mapping of biogenic slicks and spiral eddies, highlighting improved ocean feature detection under variable wave conditions.

Key Points

  • To develop a polarimetric radar methodology using biogenic slick-fields to accurately identify and map ocean surface features such as spiral eddies.
  • Analyzed polarimetric synthetic aperture radar (AIRSAR) data collected jointly by NASA JPL and NRL over the Santa Monica Basin and San Pedro Channel in April 2003.
  • Evaluated Cloude–Pottier decomposition entropy, anisotropy, and alpha parameters (〈H/A/α〉) integrated with a complex Wishart classifier to differentiate biogenic slicks from ambient clean water.
  • Cloude–Pottier decomposition parameters effectively distinguished shorter Bragg wave surface scattering from longer wave slope modulations under changing wind and wave conditions.
  • The combined Cloude–Pottier and complex Wishart classification algorithm successfully identified and mapped spiral eddy features using biogenic slicks as surface markers.

Cite This Study

Schuler et al. (2006) studied this question.

synapsesocial.com/papers/6a6ffca2e71d69abee085047https://doi.org/10.1049/ip-rsn:20045118
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