Figure 2. Temporal comparison of mean monthly pH across 5 sites. Error bars indicate standard deviation

From

Temporal Distribution of Seawater pH and Alkalinity Across Five Sites on the North Coast of Upolu, Samoa

Tina Taitaifono Mareko, Patila Amosa, Faainuseimalie Latu, Tanuvasa Toetu Leasi

American Journal of Marine Science. 2024, 11(1), 1-9