Figure 9

A plot of latitude vs δ18Oc(VSMOW) of all data (n = 75). A general latitudinal trend can be observed with δ18Oc values increasing decreasing latitude.

A plot of latitude vs δ18Oc(VSMOW) of all data (n = 75). A general latitudinal trend can be observed with δ18Oc values increasing decreasing latitude.