Table 1 Cadmium concentrations and isotope compositions, as well as temperatures, dissolved O₂ concentrations and water mass assignments, for the GA02 Leg 2 seawater samples analyzed in this study

From: Anthropogenic emissions of volatile Cd detected in western tropical North Atlantic surface seawater

Station	Longitude (°E)	Latitude (°N)	Depth (m)	Temperature (°C)^a	Oxygen (μmol kg⁻¹)^a	[Cd] (nmol kg⁻¹)	δ¹¹⁴Cd (‰)	2sd^b	n^c	Water mass^d
21	−64.2	31.7	25	21.7	225	0.003	0.09	0.3	1	SSW^e
21	−64.2	31.7	150	18.3	214	0.012	0.61	0.2	3	NACW
21	−64.2	31.7	253	18	210	0.02	0.58	0.09	2	NACW
21	−64.2	31.7	398	17.5	208	0.03	0.57	0.09	2	NACW
21	−64.2	31.7	790	10	148	0.32	0.46	0.04	8	NACW
21	−64.2	31.7	1249	4.7	244	0.27	0.45	0.04	4	NADW
21	−64.2	31.7	1749	3.9	258	0.27	0.44	0.04	4	NADW
21	−64.2	31.7	2501	3.2	255	0.29	0.42	0.04	4	NADW
21	−64.2	31.7	3500	2.3	263	0.3	0.39	0.04	4	NADW
21	−64.2	31.7	4249	2.2	259	0.34	0.36	0.04	5	NADW
21	−64.2	31.7	4525	2.2	256	0.36	0.34	0.03	5	NADW
30	−57.6	18.6	20	28.8	197	0.0005	−0.16	0.41	2	SSW
30	−57.6	18.6	50	27.3	206	0.0007	−0.42	0.37	1	SSW
30	−57.6	18.6	101	25.5	197	0.0004	0.03	0.3	1	SSW
30	−57.6	18.6	249	20.9	158	0.01	0.6	0.31	2	NACW
30	−57.6	18.6	401	14.5	131	0.16	0.56	0.05	8	NACW
30	−57.6	18.6	749	7.7	129	0.48	0.46	0.05	7	AAIW/UCDW
30	−57.6	18.6	998	5.8	160	0.46	0.44	0.02	2	NACW
30	−57.6	18.6	2000	3.5	251	0.28	0.44	0.03	3	NADW
30	−57.6	18.6	3001	2.7	253	0.31	0.43	0.02	3	NADW
30	−57.6	18.6	4501	2.1	251	0.38	0.34	0.03	4	AABW
30	−57.6	18.6	5003	1.9	244	0.46	0.32	0.02	4	AABW
36	−48.9	7.8	25	28.6	194	0.0015	0.37	0.17	1	SSW
36	−48.9	7.8	50	28.4	196	0.0017	0.34	0.17	1	SSW
36	−48.9	7.8	101	20.8	137	0.06	0.63	0.05	3	NACW
36	−48.9	7.8	201	10.3	121	0.36	0.58	0.1	2	SACW
36	−48.9	7.8	300	8.7	129	0.44	0.51	0.04	7	SACW
36	−48.9	7.8	501	6.9	122	0.56	0.5	0.04	6	SACW
36	−48.9	7.8	1002	4.9	149	0.56	0.44	0.04	7	AAIW/UCDW
36	−48.9	7.8	1500	4.4	218	0.34	0.44	0.04	4	NADW
36	−48.9	7.8	2001	3.6	252	0.28	0.42	0.04	4	NADW
36	−48.9	7.8	3000	2.7	253	0.31	0.38	0.04	5	NADW
36	−48.9	7.8	3749	2.3	258	0.32	0.37	0.04	4	NADW
36	−48.9	7.8	4250	2.2	254	0.35	0.35	0.04	5	NADW
40	−39.7	1.1	27	28	195	0.0013	0.25	0.38	1	SSW
40	−39.7	1.1	77	27.1	189	0.0019	0.26	0.12	3	SSW
40	−39.7	1.1	151	15.1	156	0.14	0.58	0.06	4	NACW
40	−39.7	1.1	251	12.6	146	0.22	0.58	0.06	4	SACW
40	−39.7	1.1	403	8.5	138	0.44	0.51	0.04	7	AAIW
40	−39.7	1.1	1002	4.6	153	0.63	0.45	0.07	7	AAIW/UCDW
40	−39.7	1.1	1501	4.6	189	0.31	0.44	0.07	6	NADW
40	−39.7	1.1	1999	4	244	0.28	0.42	0.04	5	NADW
40	−39.7	1.1	3002	3	251	0.31	0.33	0.06	5	NADW
40	−39.7	1.1	4001	2.5	255	0.35	0.34	0.05	6	NADW
40	−39.7	1.1	4365	1.4	233	0.6	0.28	0.09	7	AABW
40	−39.7	1.1	4417	1.2	226	0.62	0.26	0.05	7	AABW

^aThe temperature and oxygen concentration data are from the GEOTRACES Intermediate Data Product (IDP2021v2) ³⁷.
^b2 \(\times\) standard deviation was calculated from n individual sample measurements. If n was <2, the 2sd precision was calculated from repeated bracketing analyses of NIST SRM 3108 Cd solutions in the same measurement session.
^cNumber of individual Cd isotope runs; the quoted δ¹¹⁴Cd values are mean results.
^dThe definition of water masses is from the revised eOMP model (Supplementary Note 1), and the assignment represents the water mass with the highest calculated proportion.
^eSSW denotes the surface waters.

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Table 1 Cadmium concentrations and isotope compositions, as well as temperatures, dissolved O₂ concentrations and water mass assignments, for the GA02 Leg 2 seawater samples analyzed in this study

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