Figure 4

The TA time series (blue dots) are displayed for the 0–5 m range at the 6 stations. The trend is depicted by a red line. The y-axis represents TA in \(\upmu\)mol \(\hbox {kg}^{-1}\), and the x-axis represents the years.

The TA time series (blue dots) are displayed for the 0–5 m range at the 6 stations. The trend is depicted by a red line. The y-axis represents TA in \(\upmu\)mol \(\hbox {kg}^{-1}\), and the x-axis represents the years.