When and where is ocean acidification most extreme in the Pacific Northwest?

Projected OA Extremes from 1995-2050
Model: Hauri, et al. 2013
Ωar 1.40
Ωar 0.75

Aragonite saturation state (Ωar) <=1.4: stressful to shellfish growth
Aragonite saturation state (Ωar) < 1.0: corrosive to shell-building