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Figure 5. Correlating the OC diagram to oxygen isotope data. (a) Oxygen isotope scale of [Bassinot et al., 1994]. Numerals at the OI curve denote oxygen isotope stages and sub-stages. Black rectangles on the left mark position of the maximal glaciation stages, after Milankovitch [1939]: Würm (W 1, 2, 3), Riss (R 1, 2), Mindel (M 1, 2), and Günz (G 1, 2). The ordinate ic time (thousand yr B.P.). (b) The OC diagram (solid line) constructed for climatic coefficients in the proportion of 1 : 0.7 : 0.4. Dashed line depicts eccentricity changes [{\it Berger and Loutre,} 1991].


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