Fig. 1. Temperature correction coefficient Ψ_T for a_w obtained from Rottgers et al.^[14] in the wavelength range of 700-900 nm

Fig. 2. Photo of the water-filled tank along with the radiometer when taking measurement of L_t via above-water approach (AWA)

Fig. 3. R_rs spectra at different temperatures obtained in this study. (a) Measured on 4 December, 2021; (b) measured on 13 December, 2021

Fig. 4. a_p spectra of the water-sediment mixture at different temperature (or time) of this study

Fig. 5. Normalized R_rs spectra R_{rs_Nor} at different temperatures

Fig. 6. Relationship between DRrs and Daw (λ₁ as 740 nm and λ₂ as 795 nm). (a) Change of DRrs and Daw for T in a range of 7-51 ℃;(b) scatterplot between DRrs (740∶795) and Daw (740∶795)

Fig. 7. Relationship between DRrs and Daw (λ₁ as 795 nm and λ₂ as 835 nm). (a) Changes of DRrs and Daw for T in a range of 7-51 ℃;(b) scatterplot between DRrs (795 nm/835 nm) and Daw (795 nm/835 nm)

Fig. 8. Change of DRrscaused by changes of a_p and b_bp