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A 350 ka record of climate change from Lake El'gygytgyn, Far East Russian Arctic: refining the pattern of climate modes by means of cluster analysis

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Fig. 1. Location of Lake El’gygytgyn (circle, not to scale) on the Chukotka peninsula, Far East Russian Arctic (left) and close up of the lake with the watershed (dashed line, contour interval for  topog-raphy is 20 m) and the locations of the sediment cor
Fig. 2. Correlation of composite cores PG1351 and Lz1024 from Lake El’gygytgyn by means of high-resolution records of magnetic susceptibility, and tuning of these logs to the summer insolation at 67.5 ◦ N according to Laskar et al
Fig. 3. Comparison of the records of magnetic susceptibility (κ LF ), S-ratio, TiO 2 content, chemical index of alteration (CIA), total organic carbon (TOC) content, and content of biogenic silicium (BSi) for cores PG1351 and Lz1024 from Lake El’gygytgyn
Fig. 4. Comparison of the results of the cluster analysis for core PG1351 and core Lz1024, with the pattern of climate modes defined for Lake El’gygytgyn (Melles et al., 2007) versus age
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