w (λ) spectra from visible to the near-infrared (NIR) and SWIR (1240 nm) are derived and used for study and characterization of Lake Taihu water optical properties. In particular, for the first time, spatial and seasonal variations of nL w (λ) at the SWIR 1240 nm (nL w (1240)) are derived for the lake and show some different features from those of the red and NIR nL w (λ) (nL w (645) and nL w (859)). Time series of monthly MODIS-derived nL w (λ) spectra for Lake Taihu are obtained and analyzed, showing important seasonal and interannual variations. The results indicate that the SWIR nL w (1240) contributions in the lake are mainly due to the presence of significant amounts of algae, while the red and NIR nL w (λ) variations result from changes of total suspended sediment (TSS) amounts in the water column. Furthermore, this study shows that all three SWIR bands at 1240, 1640, and 2130 nm are useful and required for satellite water quality remote sensing for extremely turbid near-shore and inland waters.">

Remote Sensing of Water Optical Property for China's Inland Lake Taihu Using the SWIR Atmospheric Correction With 1640 and 2130 nm Bands (original) (raw)

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