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In situ determination of the remotely sensed reflectance and the absorption coefficient: closure and inversion

机译：遥感反射率和吸收系数的原位测定：闭合和反演

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摘要

We tested closure between in situ radiometric and absorption coefficient measurements by using a nearly backscattering-independent remote-sensing reflectance model that employs the remote-sensing refiectance at three wavelengths. We show that only a small error is introduced into the closure model when the proper functional relationships of f/Q and the backscattering is taken to be a constant when using the sea-viewing wide field-of-view sensor wavelengths 443, 490, and 555 nm. A method of inverting the model to obtain the absorption coefficient by use of simple linear spectral relationships of the absorption coefficient is proyided. The results of the model show that the independent measurements of reflectance and absorption obtain closure with a high degree of accuracy.
机译：我们通过使用几乎独立于背向散射的遥感反射率模型测试了在原位辐射测量和吸收系数测量之间的闭合，该模型采用了三个波长的遥感反射率。我们显示，当使用海景宽视野传感器波长443、490和f时，将f / Q与反向散射的适当功能关系设为常数时，仅将很小的误差引入闭合模型。 555纳米提出了一种利用吸收系数的简单线性光谱关系对模型进行求逆的方法。该模型的结果表明，反射率和吸收率的独立测量获得了高精度的闭合。

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