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Progress in Earth and Planetary Science
Fig. 12 | Progress in Earth and Planetary Science

Fig. 12

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. 12

Plio-Pleistocene cross plots between selected pCO2 proxies and the δ18O (a, b) and SST (e, f) SSA-components. Plio-Pleistocene cross plots between selected SST proxies and the δ18O (c, d) SSA-components. A clear linear interpolation is shown between long-term trend components, whereas orbital components-2-11 are unrelated to the long-term trends. Proxy data: composite atmospheric boron-based pCO2 proxy from ODP Sites 668B-999A (Hönisch et al. 2009; Bartoli et al. 2011), atmospheric alkenone-based pCO2 and SST proxies from ODP Site 999A (Seki et al. 2010), alkenone-based SST proxy from ODP Site 846 (Herbert et al. 2010b), and LR04 δ18O stack (Lisiecki and Raymo 2005b)

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