Figure 4: Comparison of redness records from the AB1 section in the NIGP and the Lingtai section31 on the CLP, and the LR04 benthic δ18O stacked curves32. | Scientific Reports

Figure 4: Comparison of redness records from the AB1 section in the NIGP and the Lingtai section31 on the CLP, and the LR04 benthic δ18O stacked curves32.

From: Early Pleistocene climate in western arid central Asia inferred from loess-palaeosol sequences

Figure 4: Comparison of redness records from the AB1 section in the NIGP and the Lingtai section31 on the CLP, and the LR04 benthic δ18O stacked curves32.

The 41-kyr periodicity band (bold coloured lines) was extracted using the computer program developed by Paillard58; band-pass filters with a central frequency of 0.02439 ka−1 and bandwidth of 0.01 ka−1 were used. All of the records and filtered signals are normalized.

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