Table 1 δ¹³C and δ¹⁸O values for V. cyprinoides shell growth bands and calculated δ¹⁸O of water reconstructed using observed monthly water temperature⁴⁵.

Sample number	Assigned date	δ¹⁸O shell (‰VPDB)	δ¹³C shell (‰ VPDB)	δ¹⁸O water (‰ VSMOW)	Measured⁺temperature (°C)	Calculated^*temperature (°C)
1	Dec-09	−3.87	−7.30	−1.58	30.1	29.55
2	Oct-09	−3.97	−8.91	−2.36	31.0	26.56
3	Sep-09	−4.31	−10.00	−2.01	29.4	29.59
4	Aug-09	−3.60	−9.38	−2.50	27.8	24.28
5	Jun-09	−2.54	−7.20	−3.46	29.4	15.33
6	May-09	−2.32	−6.20	−0.87	31.7	25.85
7	Mar-09	−2.66	−6.36	−0.58	30.5	28.62
8	Feb-09	−3.40	−7.20	−0.36	29.9	32.89
9	Dec-08	−4.18	−7.38	−1.58	30.1	30.92
10	Nov-08	−4.36	−8.40	−1.19	29.9	33.45
11	Sep-08	−4.29	−8.68	−2.01	29.4	29.50
12	Aug-08	−4.48	−10.09	−2.50	27.8	28.18
13	Jun-08	−4.23	−9.29	−3.46	29.4	22.82
14	May-08	−3.42	−8.04	−0.87	31.7	30.72
15	Apr-08	−3.95	−7.25	−0.75	31.0	33.58
16	Feb-08	−4.07	−6.17	−0.36	29.9	35.86
17	Jan-08	−3.30	−5.86	−1.10	27.1	29.17
18	Nov-07	−2.94	−5.68	−1.19	29.9	27.16
19	Oct-07	−3.67	−5.94	−2.36	31.0	25.23
20	Aug-07	−3.89	−6.46	−2.50	27.8	25.56

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