After the drip water comes in contact with cave air, calcite precipitates with a decreasing trend while Mg/Ca and δ 18 O of the solution are increasing (Fig.
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Deciphering local and regional hydroclimate resolves contradicting evidence on the Asian monsoon evolution.
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The δ 18 O records from northern MSEA and Sumatra instead show decreased values during the early Holocene and an increasing trend after (Fig. 2d, e and h ), which is consistent with summer rather than autumn insolation.