Hydrochemical and isotopic baselines for understanding hydrological processes across Macquarie Island.

Overall, there is a general trend of decreasing Cl, Na, SO 4 and Sr with increasing distance from the west coast, whilst elements such as Fe, Ca, F and Si and isotopes such as δ 18 O, δ 13 C DIC and δ 13 C DOC do not show a clear trend (Fig. 5 e,h,i,k,l).

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