日本リモートセンシング学会誌
Online ISSN : 1883-1184
Print ISSN : 0289-7911
ISSN-L : 0289-7911
紫外域観測衛星センサによる対流圏エアロゾル観測手法における誤差の検討
芝田 由香里蒲生 京佳山中 のり子久慈 誠林田 佐智子
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2004 年 24 巻 4 号 p. 387-397

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The atmospheric aerosols play an important role in tropospheric chemistry. In this paper, we make an error analysis of a method for remote sensing of tropospheric aerosols over land using Global Ozone Monitoring Experiment (GOME) sensor. This algorithm, based on Direct Method [Torres et al., 1998], makes use of radiance measured in two UV wavelengths (335 and 395 nm). In this spectral region, the surface reflectivity is lower than that in visible range, for example, which enables us to retrieve aerosol properties easier over land in particular. At first, we present the results of sensitivity study with the two channels. Next, we make error analyses caused.by the uncertainties in the parameters such as surface albedo, height of aerosol layer, or viewing angle within a GOME pixel, so as to retrieve aerosol optical thickness and mode radius.

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