“…In these studies, the intertidal sands FIGURE 2 | Geographic locations of globally sampled beach aquifers. Note -some dots overlap with others (Sources: Santoro et al, 2006;Santoro et al, 2008;McAllister et al, 2015;Ye et al, 2016;Lee et al, 2017;Adyasari et al, 2019;Chen et al, 2019;Jiang et al, 2020;Chen et al, 2020;Adyasari et al, 2020;Degenhardt et al, 2020, Hong et al, 2019.…”