Fig. 3: Time series of δ2H / δ18O
values in water samples collected between 26th March
2020 to 16th March 2021 at A. P. Møller Skolen (APM
Skolen), Schleswig (Kleine Breite, Schlei; sampling point A; Fig. 2a).
Error bars indicate replicate measurements. Salinity, water temperature
and pH measured in-situ during sampling. Data of daily mean values of
water discharge derived from the major inflowing river Füsinger Au
(LLUR, 2022). Major Baltic Sea salt inflow events at Great Belt and
Øresund from (V. Mohrholz, 2018).