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Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: Paleoceanography of the northwestern Pacific across the Early–Middle Pleistocene boundary (Marine Isotope Stages 20–18)

Fig. 6

A comparison between MIS 2–1 and MIS 20–18 with bottom axis for the age for MIS 2–1 and top axis for the age for MIS 20–18. a Northern Hemisphere summer insolation at 65° N for MIS 2–1 (blue) and MIS 20–18 (black), b, c proxies from the Yimaguan and Luochuan sections of the Chinese Loess Plateau showing b stacked grain size (EAWM) and c stacked magnetic susceptibility (EASM) (Hao et al. 2012) for MIS 2–1 (blue) and MIS 20–18 (black), d, e the planktonic foraminiferal (G. bulloides), d δ18O, and e Mg/Ca-based SST in the Kuroshio–Oyashio mixed zone for MIS 2–1 in MD01-2420 (blue, from Sagawa et al. 2006) and MD01-2421 for δ18O only (dark blue, from Oba et al. 2006), and MIS 20–18 (black, from the CbCS)

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