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Proceedings Paper

Secchi depth analysis using bio-optical parameters measured in the Arabian Sea
Author(s): T. Suresh; Puneeta Naik; Mangesh Bandishte; Elgar Desa; Antonio Mascaranahas; S. G. Prabhu Matondkar
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Paper Abstract

Secchi depth provides the oceanographer with the first hand information about transparency and penetration of light in the water. Here we present results of the Secchi depth and the optical properties measured in the Arabian Sea. Our analyses show spatial and temporal variability of Secchi depth and their dependence on the optical properties beam attenuation and diffuse attenuation the biological parameter of Chlorophyll. The in-situ measured inherent and apparent optical properties have been used to understand the underwater light properties and their relations to the Secchi depth in various water types. The Secchi depth model is validated using the measured optical properties. We also present an empirical method to determine Secchi depth from the satellite ocean color sensor, and the application of the same to the IRS-P4 OCM is found to provide comparable results to the measured values.

Paper Details

Date Published: 28 November 2006
PDF: 10 pages
Proc. SPIE 6406, Remote Sensing of the Marine Environment, 64061Q (28 November 2006); doi: 10.1117/12.696251
Show Author Affiliations
T. Suresh, National Institute of Oceanography (India)
Puneeta Naik, National Institute of Oceanography (India)
Mangesh Bandishte, Padmashree Vikhe Patil College (India)
Elgar Desa, National Institute of Oceanography (India)
Antonio Mascaranahas, National Institute of Oceanography (India)
S. G. Prabhu Matondkar, National Institute of Oceanography (India)


Published in SPIE Proceedings Vol. 6406:
Remote Sensing of the Marine Environment
Robert J. Frouin; Vijay K. Agarwal; Hiroshi Kawamura; Shailesh Nayak; Delu Pan, Editor(s)

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