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Fig. 7 | Progress in Earth and Planetary Science

Fig. 7

From: δ18O and SST signal decomposition and dynamic of the Pliocene-Pleistocene climate system: new insights on orbital nonlinear behavior vs. long-term trend

Fig. 7

Time-series panel of ODP Site 846 SST component-2 and its subcomponents and Fourier frequency spectrum of comp-2 for three time intervals a, b and c, highlighted by red-labeled boxes. The transition nature from a obliquity to c short eccentricity is less evident in this tropical SST site, but still present. The increasing amplitude of the short eccentricity is more clear in subcomp-1-4. The obliquity decrease after the MPT is still shown by subcomp-9-10. x-axis scale variable (°C). The y-axis scale of the frequency spectrum increases upwards. Time scale in kyr

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