Crossover Summary for Nutrient Measurements in the Indian Ocean
| Crossover no. |
Stations:a cruise 1, cruise 2 |
Cruise 1 - Cruise 2 |
ΔOxygen (µmol/kg) |
ΔNitrate (µmol/kg) |
ΔSilicate (µmol/kg) |
ΔPhosphate (µmol/kg) |
| 1 |
928:929, 781:782 |
I1-I7N |
-0.9 ± 2.2 |
0.5 ± 0.1 |
2.7 ± 1.1 |
-0.04 ± 0.01 |
| 2 |
987:990, 267:269 |
I1-I9N |
2.1 ± 0.9 |
0.17 ± 0.05 |
-0.6 ± 1.0 |
-0.022 ± 0.005 |
| 3 |
996:998b, 233,:235 |
I1-I9N |
2.0 ± 0.5 |
-0.25 ± 0.03 |
1.6 ± 0.6 |
-0.0007 ± 0.0048 |
| 4 |
1205:1206, 729,:730 |
I2-I7N |
-1.4 ± 0.4 |
|
-0.2 ± 0.6 |
|
| 5 |
1137:1139, 321:323 |
I2-I8NI5E |
-2.0 ± 0.8 |
-0.001 ± 0.078 |
0.5 ± 0.8 |
-0.006 ± 0.006 |
| 6 |
1094:1095, 191:193 |
I2-I9N |
0.3 ± 0.3 |
-0.27 ± 0.05 |
0.2 ± 0.4 |
-0.042 ± 0.006 |
| 7 |
1078, 1075 |
I2-I10 |
0.9 ± 2.1 |
-0.15 ± 0.03 |
-1.6 ± 0.6 |
-0.011 ± 0.006 |
| 8 |
704:706, 547:549 |
I5WI4-I3 |
-0.2 ± 0.2 |
0.03 ± 0.04 |
|
0.011 ± 0.006 |
| 9 |
498:499, 346:347 |
I3-I8NI5E |
-0.8 ± 0.8 |
-0.26 ± 0.03 |
1.2 ± 0.6 |
-0.002 ± 0.010 |
| 10 |
471:473, 168:170 |
I3-I9N |
-0.5 ± 0.6 |
-0.24 ± 0.06 |
-1.1 ± 0.3 |
-0.014 ± 0.002 |
| 11 |
1038:1039, 452:453 |
I10-I3 |
-0.6 ± 0.4 |
0.11 ± 0.02 |
0.2 ± 0.1 |
0.001 ± 0.004 |
| 12 |
405:407, 10:12 |
I8NI5E-I8SI9S |
0.5 ± 0.3 |
-0.79 ± 0.09 |
-2.6 ± 0.5 |
-0.041 ± 0.003 |
| 13 |
861, 807:808 |
I1-I7N |
-0.2 ± 0.4 |
-0.48 ± 0.04 |
3.1 ± 0.4 |
-0.154 ± 0.006 |
| 14 |
709, 707 |
I7N-I5WI4 |
0.4 ± 0.3 |
-0.30 ± 0.03 |
-1.5 ± 0.2 |
-0.027 ± 0.003 |
| 15 |
967:969, 286:287 |
I1-I8NI5E |
2.7 ± 0.4 |
-0.08 ± 0.03 |
-0.7 ± 0.4 |
-0.034 ± 0.009 |
| 16 |
62:64c, 75:77 |
S4I-I8SI9S |
1.7 ± 0.7 |
-0.79 ± 0.05 |
-1.2 ± 2.2 |
-0.082 ± 0.004 |
| 17 |
104:106, 91:93 |
S4I-I8SI9S |
1.0 ± 0.1 |
|
0.01 ± 1.43d |
-0.018 ± 0.006d |
| 18 |
12:14, 14 |
S4I-I6S |
1.0 ± 1.3 |
0.52 ± 0.04 |
-9.2 ± 1.5 |
-0.236 ± 0.009 |
| 19 |
30, 90 |
I6S-INDIGO-IIIe |
-4.1 ± 1.8 |
1.0 ± 0.1 |
-2.7 ± 2.2 |
-0.006 ± 0.017 |
| 20 |
34, 36, 90, 91, 93 |
I6S-INDIGO-III |
0.1 ± 0.9 |
0.8 ± 0.2f |
-4.2 ± 2.1 |
-0.02 ± 0.02f |
| 21 |
24, 89 |
I6S-INDIGO-IIIe |
1.3 ± 0.4 |
|
-2.1 ± 1.7 |
-0.3 ± 0.01 |
| 22 |
18, 20, 88 |
I6S-INDIGO-III |
1.0 ± 0.3 |
2.2 ± 0.3 |
-4.4 ± 0.2 |
0.006 ± .009 |
| 23 |
12, 13, 87 |
I6S-INDIGO-III |
-2.5 ± 1.7 |
0.7 ± 0.5g |
6.3 ± 1.2 |
-0.01 ± 0.03g |
| 24 |
26, 86 |
S4I-INDIGO-III |
3.9 ± 0.6 |
1.5 ± 0.3 |
-6.7 ± 1.9 |
|
| 25 |
31:32, 85 |
S4I-INDIGO-IIIe |
3.9 ± 2.0 |
|
-8.2 ± 1.2 |
-0.10 ± 0.03 |
| 26 |
46, 84 |
S4I-INDIGO-IIIe |
-3.6 ± 1.1 |
0.8 ± 0.2 |
9.5 ± 3.8 |
-0.087 ± 0.003 |
| 27 |
58:59, 78 |
S4I-INDIGO-IIIe |
4.7 ± 1.6 |
-0.02 ± 0.13 |
-2.7 ± 1.9 |
-0.082 ± 0.006 |
| 28 |
85, 79 |
S4I-INDIGO |
|
1.5 ± 0.1 |
4.3 ± 2.9 |
-0.13 ± 0.01 |
| 29 |
|
INDIGO-WOCE |
|
|
|
|
| 30 |
720, 32 |
I7N-INDIGO-II |
-1.0 ± 0.3 |
-0.3 ± 0.1 |
-0.8 ± 0.3 |
-0.0009 ± 0.0073 |
| 31 |
|
INDIGO-WOCE |
|
|
|
|
| 32 |
760, 44 |
I7N-INDIGO-II |
-1.5 ± 0.4 |
0.48 ± 0.08 |
-0.02 ± 0.31 |
-0.08 ± 0.02 |
| 33 |
692:694, 2 |
I5WI4-INDIGO-I |
-4.6 ± 1.3 |
|
|
|
| 34 |
11, 103 |
INDIGO III-INDIGO I |
-3.8 ± 0.2 |
0.09 ± 0.04 |
1.8 ± 0.9 |
0.116 ± 0.006 |
| 35 |
110, 19 |
INDIGO III-INDIGO I |
1.8 ± 2.8 |
|
|
|
| 36 |
616:653, 3:5, 13:15, 20:27 |
I5WI4-C.Darwin, 29 |
-3.6 ± 1.2 |
-0.3 ± 0.2 |
2.6 ± 1.3 |
-0.06 ± 0.02 |
| 37 |
379:380, 67:68 |
I8NI5E-C.Darwin, 29 |
-1.9 ± 0.9 |
-0.02 ± 0.08 |
0.2 ± 0.6 |
-0.008 ± 0.011 |
| 38 |
377:379, 68:69 |
I8NI5E-C.Darwin, 29 |
-2.3 ± 1.3 |
-0.6 ± 0.1 |
1.5 ± 1.7 |
-0.016 ± 0.003 |
aColons indicate an inclusive range of stations
bStation 996 silicate anomalously high relative to stations 994:998
cShallow area, no deep data
dSignificant scatter in I8SI9S data, some presumably due to real gradient
eSignificant differences in Theta vs Salinity plot; probably different water
fSignificant differences in INDIGO stations
gInsufficient data on I6S stations
|