Table S2.

Descriptive data and CTD measurements from within the SCM at sampled stations in both the ETNP and ETSP

Cruise	Station	Date (2014)	Offshore (Km)	Depth, m	Beam transmission, %	Chlorophyll, µg⋅L−1	O2, µmol⋅kg−1	T, °C	Density (σθ), kg⋅m−3
OMZoMBiE2 (ETNP)	T4	15/05	140	100	88.92	0.54	0.002	14.2	26.0
	F4	18/05	150	100	88.93	0.54	0.013	14.1	25.8
	T7	21/05	70	95	89.10	0.38	0.439	15.6	25.6
	T7	21/05	70	90	89.04	0.24	—	15.1	25.8
	T9	22/05	125	90	—	0.67	0.002	14.3	26.0
	T10	24/05	190	100	88.61	0.64	0.000	14.6	25.9
	T3	27/05	230	110	89.49	0.25	0.314	14.1	26.0
	T3	27/05	230	105	88.94	0.44	0.102	14.5	25.9
	F13	01/06	280	90	88.62	0.75	0.006	14.4	25.9
Mean				98	88.96	0.49	0.112	14.6	25.9
SD				7	0.28	0.18	0.170	0.5	0.1
AMOP'14 (ETSP)	am_4	31/01	97	46	80.73	0.21	0.16	14.7	26.3
	am_25	14/02	30	45	79.68	0.30	0.07	14.7	25.8
	am_25	15/02	30	53	79.82	0.30	0.22	14.6	26.2
	am_28	17/02	125	70	80.25	0.20	0.04	13.6	26.2
	am_28	19/02	125	70	80.95	0.12	68.56	13.6	26.2
Mean				57	80.29	0.23	0.123	14.3	26.2
SD				12	0.55	0.08	0.083	0.6	0.2