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Progress in Earth and Planetary Science
Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: A potential suite of climate markers of long-chain n-alkanes and alkenones preserved in the top sediments from the Pacific sector of the Southern Ocean

Fig. 1

Map of the Southern Ocean and the continent of Antarctica. The red pentagram denotes the core R23 in our study. Red triangles indicate sites of sea surface temperature or sea subsurface temperature records reported in previous studies. The SST record in the PS75/034-2 sediment core was used for the \( {U}_{37}^{\mathrm{k}} \) index (Ho et al. 2012), whereas other sediment cores (ODP 1098, JPC 10, and MD03-2601) were used for TEX86 (Shevenell et al. 2011; Kim et al. 2012; Etourneau et al. 2013). The thick blue line indicates the Antarctic Circumpolar Current (ACC). The solid dots denote ice core locations in the Antarctic, including Dome C and Vostok

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