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Optical closure in a complex coastal environment: particle effects

机译：复杂沿海环境中的光学封闭：粒子效应

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摘要

An optical dataset was collected on a mooring in the Santa Barbara Channel. Radiative transfer modelingand statistical analyses were employed to investigate sources of variability of in situ remote sensing reflectance [r_(rs)(lambda, 4 m)] and the f/Q ratio. It was found that the variability of inherent optical properties and the slope of the particle size distribution (xi) were strongly related to the variability of r_(rs)(lambda, 4 m). The variability of f/Q was strongly affected by particle type characteristics. A semianalytical radiative transfer model was applied and effects of variable particle characteristics on optical closure were evaluated. Closure was best achieved in waters composed of a mixture of biogenic and minerogenic particles.
机译：在圣塔芭芭拉海峡的系泊设备上收集了一个光学数据集。利用辐射传递模型和统计分析方法研究了原地遥感反射率[r_（rs）（lambda，4 m）]和f / Q比的变化源。结果发现，固有光学性质的变异性和粒径分布的斜率（xi）与r_（rs）（λ，4 m）的变异性密切相关。 f / Q的可变性受颗粒类型特征的强烈影响。应用半分析辐射传递模型，并评估了可变粒子特性对光学闭合的影响。在由生物和矿产颗粒混合物组成的水中，封闭效果最好。

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