S04P

• Nitrate (SIO)
• Phosphate (SIO)
• Silicate (SIO)
• Oxygen
• TCO₂ (Takahashi, LDEO) - No adjustment recommended.
• Crossovers:
  

  Crossing #	old #	Latitude	Longitude	WOCE Line	Station(s) used	Crosses with	Station(s) used	Delta	Stdev
  20		66° S	164° E	S4P	791	SR3S4	51	-1.4	2.9
  34	1	66° S	171° E	S4P	783,787	P14S15S	32	-0.4	0.2
  45	4	67° S	169° W	S4P	755	P14S15S	33	-5.2	0.9
  68	29	66° S	126° W	S4P	723,727	P17E19S	163	1.1	1.5
  78	34	67° S	103° W	S4P	711,712,713	P18	10,11	1.2	0.4
  83	37	67° S	88° W	S4P	703	P17E19S	229	-0.9	1.5
  MEAN								-0.8	2.6

• Precision of Duplicate Measurements - Repeated measurements yielded a precision of ± 0.03%.
• CRM Results - 172 CRM (Batch #7) yielded 1927.5 ± 1.8 compared to 1926.6 ± 0.7 (Keeling,n=6). Values NOT adjusted for 0.9 ± 1.8 difference.
• Keeling Replicates - No Information.
• Alkalinity (Not Measured)
• fCO₂ (Takahashi, LDEO) - No adjustment recommended.
• Crossovers:
  

  Crossover	Longitude	Latitude	Cruise-1	Stations-1	Cruise-2	Stations-2	Δ Salinity	Δ O2	ΔfCO2	Feely et al. #
  34	170° E	66° S	P14S15S	32	S4P	784,785,786	0.003 ± 0.002	-1.0 ± 0.2	3.8 ± 2.6	1
  45	170° W	67° S	P14S15S	33	S4P	755,756	0.005 ± 0.002	-1.6 ± 0.2	2.8 ± 1.0	4
  68	126° W	67° S	S4P	725	P17E19S	163	0.011 ± 0.019	-6.1 ± 7.1	9.8 ± 8.2	29
  78	103° W	67° S	P18	10,11	S4P	711,712,713	0.002 ± 0.002	-5.1 ± 3.9	-8.0 ± 5.5	34
  83	88° W	67° S	S4P	703	P17E19S	229	-0.005 ± 0.001	3.5 ± 0.2	-13.1 ± 1.9	37

  From Feely et al., 1999, ORNL/CDIAC-115 (Δ = Cruise 1 - Cruise 2)
• Precision of Duplicate Measurements - No Information.
• CRM Results - No Information.
• pH(Not Measured)