Fig. 1. Schematic of incidence and observation geometric coordinates of inclined micro slope on rough sea surface

Fig. 2. Effect of incident zenith angle on the spatial distribution of DOLP of reflected flare from the surface of clean sea water and floating oil slick. (a) n_water=1.34,θ_s=15°; (b) n_water=1.34,θ_s =45°; (c) n_water=1.34,θ_s =56°; (d) n_oil =1.64,θ_s =15°; (e) n_oil=1.64,θ_s =45°; (f) n_oil =1.64,θ_s =56°

Fig. 3. Spatial distribution of DOLP of reflected flare from oil slick with different refractive index and relative difference D_DOLP with those reflected from clean water. (a) n_oil =1.44,θ_s =45°; (b) n_oil =1.54,θ_s=45°; (c) n_oil =1.64, θ_s =45°; (d) n_water =1.34, n_oil=1.44; (e) n_water=1.34, n_oil=1.54; (f) n_water=1.34, n_oil=1.64

Fig. 4. Spatial distribution of DOLP and D_DOLP of solar flare reflected from surface of clean water and oil slick as well as sensitive oil slick polarization detection angle. (a) DOLP at θ_s=15° and φ_v=0°; (b) DOLP at θ_s=15° and φ_v=90° (270°); (c) DOLP at θ_s=15° and φ_v=180°; (d) D_DOLP at θ_s=15° and φ_v=0°; (e) D_DOLP at θ_s=15° and φ_v=90°(270°); (f) D_DOLP at θ_s=15° and φ_v=180°; (g) DOLP at θ_s=45° and φ_v=180°; (h) DOLP at θ_s=53° and φ_v=180°; (i) DOLP at θ_s=60° and φ_v=180°; (j) D_DOLP at θ_s=45° and φ_v=180°; (k) D_DOLP at θ_s=53° and φ_v=180°; (l) D_DOLP at θ_s=60° and φ_v=180°; (m) detection angleat n_oil=1.44 and θ_s+θ_vm=81°; (n) detection angleat n_oil=1.54 and θ_s+θ_vm=82°; (o) detection angleat n_oil=1.64 and θ_s+θ_vm=83°