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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 3 | Geoscience Letters

Fig. 3

From: Relationship between the Northern Pacific Gyre Oscillation and tree-ring cellulose oxygen isotopes in northeastern Japan

Fig. 3

Temporal comparisons between tree-ring δ18O and a MJ precipitation, and b MJ relative humidity in Sendai station from A.D. 1927 to 2010. c Tree-ring δ18O and MJ relative humidity after removal of low-frequency component. Black, blue, and green solid lines indicate tree-ring δ18O, MJ precipitation, and MJ relative humidity, respectively. Z-score is zero mean and unit standard deviation. Scatter plot of tree-ring δ18O versus d MJ precipitation, and e MJ relative humidity. f Scatter plot of tree-ring δ18O versus MJ relative humidity after removal of low-frequency component

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