Figure 8.

Beach impact fraction at the four beach locations for the four scenarios (legend) over the (a) full year, (b) wet season, and (c) tourist season. Beach impact fraction is defined as the fraction of time that ${\overline{P}}^{\mathrm{i}\mathrm{l}\mathrm{l}}>P_{\mathrm{E}\mathrm{P}\mathrm{A}}^{\mathrm{i}\mathrm{l}\mathrm{l}}$ ($P_{\mathrm{E}\mathrm{P}\mathrm{A}}^{\mathrm{i}\mathrm{l}\mathrm{l}}=0.036$, corresponding to D = 1.06 × 10⁻⁴). The locations Playas Tijuana, Imperial Beach, Silver Strand State Beach, and Hotel del Coronado are indicated in Figures 1, 4 and 5.