Figure 1.
Seawater pH at sites on the U.S. West Coast. pH (total scale) over time during the (a,c,e,g) daytime and (b,d,f,h) nighttime sampling for (a,b) Bob Creek, OR, (c,d) Bodega Bay, CA, (e,f) Monterey Bay, CA, and (g,h) Corona del Mar, CA. Data are from tide pools (black) and the adjacent ocean (grey). The map was made with ArcGIS (ESRI. 2015. ArcGIS Desktop: Release 10.4.1. Redlands, CA: Environmental Systems Research Institute, www.arcgis.com).