Table 2 Temperature and freshwater contribution to the Cochin estuary reconstructed using clumped isotope ratios and δ18O in seasonal growth bands of V. cyprinoides.
From: Rainfall seasonality on the Indian subcontinent during the Cretaceous greenhouse
Sample ID | δ13C (‰,VPDB) | δ18O (‰,VPDB) | Δ47 | Calculated temperature (°C)# | *δ18O water (‰,VSMOW) | Freshwater (%) |
---|---|---|---|---|---|---|
ESC1 | −8.22 | −4.34 | 0.69 | 29.6 | −0.55 | 35 |
ESC2 | −6.84 | −3.49 | 0.69 | 30.1 | 0.41 | 13 |
ESC3 | −5.84 | −3.28 | 0.69 | 30.5 | 0.69 | 7 |
ESC4 | −5.96 | −3.46 | 0.70 | 26.7 | −0.24 | 28 |
ESC5 | −7.56 | −4.41 | 0.68 | 31.9 | −0.18 | 27 |
ESC6 | −7.21 | −3.93 | 0.71 | 24.8 | −1.08 | 47 |
ESC7 | −6.30 | −3.87 | 0.68 | 32.5 | 0.50 | 11 |
ESC8 | −5.49 | −3.59 | 0.69 | 28.9 | 0.07 | 21 |
ESC9 | −5.04 | −3.39 | 0.73 | 20.4 | −1.45 | 56 |
ESC10 | −5.00 | −3.47 | 0.69 | 30.0 | 0.40 | 14 |
ESC11 | −7.07 | −4.52 | 0.72 | 23.5 | −1.94 | 67 |