Huangrong Chen, Jingwei Zhang, Shengqiang Wang, Deyong Sun, Zhongfeng Qiu. Study on Diurnal Variation of Turbidity in the Yangtze Estuary and Adjacent Areas by Remote Sensing[J]. Acta Optica Sinica, 2020, 40(5): 0501003
- Acta Optica Sinica
- Vol. 40, Issue 5, 0501003 (2020)
Fig. 1. Turbidity statistics obtained by buoy observing. (a) Reservoir; (b) Zhejiang coastal water
Fig. 2. Rrc spectra and correlation coefficients. (a) Rrc spectra; (b) correlation coefficients
Fig. 3. Scatter plots of estimated turbidity and measured turbidity. (a)(b) Model based on combination 1; (c)(d) model based on combination 2
Fig. 4. Hourly turbidity changes of the Yangtze estuary and adjacent sea areas, asterisk represents position of ‘Shitang’ tide gauge station. (a)--(h) Turbidity distributions at different times
Fig. 5. Diurnal turbidity changes along longitude. (a) Transect I near Hangzhou bay; (b) transect II near Taizhou
Fig. 6. Hourly turbidity changes of reservoir and adjacent channel region. (a)--(h) Turbidity distributions at different times
Fig. 7. Diurnal turbidity changes inside reservoir, vertical dashed line is boundary of reservoir. (a) Transect III; (b) transect IV
Fig. 8. Monthly mean distributions of turbidity and turbid zone. (a)-(l) Turbidity distributions at different months
Fig. 9. Scatter plots of measured and estimated turbidity after adding random errors into Rrc. (a) 680 nm; (b) 490 nm
Fig. 10. Hourly changes of tidal elevation and turbidity of “Shitang” tide gauge station
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Table 1. Correlation comparison between different band combinations of Rrc and lg T[23]
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