671 
9 S = 30°; W = 5 ms 1; "Oceanic" Aerosols; T aer = 0.2; Cphy = 0.1 mgm~3 
-photons that have interacted with the water body- 
hg. 4: Same as Fig. 3, but the contribution of photons that have interacted with the 
water body. Reflectance values are small (a few percent), and the signal is weakly 
polarized. Bidirectionality of the reflectance is practically negligible.