Extended Data Fig. 4: Water column properties and foraminiferal calcification depth habitat at Site U1446. | Nature Geoscience

Extended Data Fig. 4: Water column properties and foraminiferal calcification depth habitat at Site U1446.

From: Extreme Indian summer monsoon states stifled Bay of Bengal productivity across the last deglaciation

Extended Data Fig. 4

Average seasonal water column (a) temperature, (b) salinity, and (c) calculated δ18Oc profiles at Site U1446 from the World Ocean Atlas Database, alongside median IFA-δ18Oc for different species and their estimated depth of calcification ranges, based on the intersection of measured median δ18Oc values and variability within the calculated δ18Oc seasonal depth profile. δ18Oc was calculated from temperature and salinity using the low-light equation81, and local surface-ocean14 and subsurface49 δ18Osw-salinity relationships for 0–40 m and 40–100 m respectively. JFM: January–March (winter); AMJ: April–June (pre-monsoon season); JAS: July–September (monsoon), OND: October–December (post-monsoon season).

Back to article page