利用地物光谱仪测算大气气溶胶光学厚度方法

Aerosol Optical Depth Retrieval Method Based on Field Spectroradiometer

气溶胶光学厚度是进行大气校正的重要参数 ,本文提出了一种通过地物光谱仪测量太阳辐射来测算气溶胶光学厚度的方法 ,并将测算结果与 6S大气辐射传输模型的模拟结果进行比较 ,详细分析了误差来源。研究表明该方法是一种实用有效的方法 。

Aerosol optical depth is an important coefficient for atmospheric correction. A method is proposed for retrieving aerosol optical depth by measuring solar radiance using field spectroradiometer. After comparing with 6S radiative transferring model and analyzing the errors in detail, we conclude that this method is an applicable and efficient one for atmospherically correcting remotely sensing data and estimating aerosol optical depth.