(a) (b) (c) (d) (e) (f) (g) (h) FIGURE 11. Eight UZONT Kd(490) maps overlaid with four pathlines (black lines) derived by the SIMS from the GOCI hourly images taken on 3 August 2015 at (a) 8:16 a.m., (b) 9:16 a.m., (c) 10:16 a.m., (d) 11:16 a.m., (e) 12:16 p.m., (f) 1:16 p.m., (g) 2:16 p.m., and (h) 3:16 p.m. The segment derived from the image and its consecutive image is shown in white. 152 IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE SEPTEMBER 2021