Extended Data Fig. 9: Indian Ocean hydroclimate proxies compared to U1476 salinity.
From: Indian Ocean salinity build-up primes deglacial ocean circulation recovery
(a) 15° S July summer insolation58. (b)–(d), (f), (h), (j), (l), (n), (p) U1476 δ18Osw-ivc (this study). (c) U1476 δ18Obenthic51 on inverted y-axis. (e) Malawi Lake SST, proxy for African Monsoon variability59. (g) Speleothem δ18OCaCO3 from Dongge Cave, China, proxy for Southeast Asian Summer Monsoon variability61. (i) Speleothem δ18OCaCO3 from Bittoo Cave, India, proxy for Indian Summer Monsoon variability60. (k) TY93-929/P δ18Osw-ivc, Arabian Sea surface ocean salinity proxy40. (m) U1446 δ18Osw-ivc, Bay of Bengal sea surface salinity proxy14. (o) GeoB10038-4 δ18Osw-ivc43, eastern Indian Ocean. Grey vertical bars highlight the period of salinification in U1476 which is also visible in the Arabian Sea, Bay of Bengal, and eastern Indian Ocean sea surface salinity proxies.
