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In-water algorithms for ADEOS/OCTS
Authors:Motoaki Kishino  Takashi Ishimaru  Ken Furuya  Tomohiko Oishi  Kiyoshi Kawasaki
Institution:(1) The Institute of Physical and Chemical Research, 2-1 Hirosawa, 351-0198 Wako, Saitama, Japan;(2) Tokyo University of Fisheries, 4-507 Konan, Minato, 103 Tokyo, Japan;(3) Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo, 113-8657 Tokyo, Japan;(4) Department of Oceanography, Tokai University, 3-20-1 Orido, 424 Shimizu, Shizuoka, Japan;(5) Ocean Dynamics Section, Marine Productivity Division, National Research Institute of Fisheries Science, 2-12-4 Fukuura, 236 Yokohama, Kanagawa, Japan
Abstract:In-water algorithms for OCTS standard products were developed using in situ data and installed for operationally processing at NASDA/EOC. This paper describes the in-water algorithms Version 1.0 for chlorophylla concentration, pigment concentration, and attenuation coefficient at a wavelength of 490 nm. The selected OCTS standard algorithms (Ver. 1.0) are as follows: 
$$Chl  = 0.2818 \left( {\frac{{L4 + L5}}{{L3}}} \right)^{3.497 } $$

$$Pig  = 1.568 \left( {\frac{{L2}}{{L4}}} \right)^{ - 2.079 } \left( {\frac{{L3}}{{L4}}} \right)^{ - 3.498 } $$

$$K 490 = 0.0391 \left( {\frac{{L4 + L5}}{{L2}}} \right)^{1.691 } $$
Keywords:ADEOS/OCTS  in-water algorithms  chrolophylla            pigment concentration  attenuation coefficient at 490 nm
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