SR3S4

• Nitrate (Bell, Erikson-CSIRO)
• Phosphate (Bell, Erikson-CSIRO)
• Silicate (Bell, Erikson-CSIRO)
• Oxygen (Bell, Erikson-CSIRO)
• TCO₂(Tilbrook-CSIRO) - No adjustment recommended.
• Crossovers:
  

  Crossing #	Old #	Latitude	Longitude	Cruise 1	Cruise 1 Sta	Cruise 2	Cruise 2 Sta	Delta	Stdev
  18		63° S	140° E	SR3S4	33	SR3S4	65	-0.9	0.5
  20		66° S	164° E	SR3S4	51	S4P	791	1.4	2.9
  		62° S	120° E	SR3S4	2	S4I	108	-1.4	0.6
  		62° S	119° E	SR3S4	4	S4I	107	-3.1	0.7
  		62° S	115° E	SR3S4	17	S4I	105	-0.8	0.8
  		62° S	115° E	SR3S4	17	I8SI9S	92	1.4	2.9
  		62° S	111° E	SR3S4	11,13	I8SI9S	85,88	0.1	0.8
  MEAN								-0.47	1.96

• Precision of Duplicate Measurements - Analysis of 125 duplicates suggest a precision of 2 µmol/kg.
• CRM Results - Shipboard analyses of batch 22 off by 100.95. Data were corrected for offset.
• Keeling Replicates- Not Available.
• Alkalinity(Tilbrook-CSIRO) - No adjustment recommended.
• Crossovers:
  

  Crossing #	Old #	Latitude	Longitude	Cruise 1	Cruise 1 Sta	Cruise 2	Cruise 2 Sta	TA Delta Stdev
  18		63° S	140° E	SR3S4	33	SR3S4	65	4.1 ± 2.2
  20		66° S	164° E	SR3S4	51	S4P	791	1.2 ± 1.1
  AVERAGE								2.7 ± 2.1

• Precision of Duplicate Measurements - No Information.
• CRM Results - Shipboard analyses calibrated to batch 22. CRM analyses good to 2.41.
• fCO₂ (not measured)
• pH (not measured)