Uncertainties associated to measurements of inherent optical properties in natural waters

被引:56
作者
Leymarie, Edouard [1 ]
Doxaran, David [1 ]
Babin, Marcel [1 ]
机构
[1] Univ Paris 06, Lab Oceanog Villefranche, CNRS, Villefranche Sur Mer, France
关键词
DISSOLVED ORGANIC-MATTER; CHLOROPHYLL-A CONCENTRATION; BEAM-ATTENUATION; LIGHT-ABSORPTION; MARINE PARTICLES; PHYTOPLANKTON PIGMENTS; BACKSCATTERING RATIO; AQUATIC PARTICLES; SCATTERING ERROR; COASTAL WATERS;
D O I
10.1364/AO.49.005415
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Monte Carlo simulations are used to explain and quantify the errors in inherent optical properties (IOPs) (absorption and attenuation coefficients) measured using the WET Labs AC-9 submarine spectrophotometer, and to assess correction algorithms. Simulated samples with a wide range of IOPs encountered in natural waters are examined. The relative errors on the measured absorption coefficient are in general lower than 25%, but reach up to 100% in highly scattering waters. Relative errors on attenuation and scattering coefficients are more stable, with an underestimation mainly driven by the volume scattering function. The errors in attenuation and scattering spectral shapes are small. (C) 2010 Optical Society of America
引用
收藏
页码:5415 / 5436
页数:22
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