The POTATOE cruise was a ship of opportunity cruise between Barrow, AK to New Zealand, and then continued on to the Ross Sea in what was supposed to be the first Southern Ocean cruise of our project. Samples were collected each morning at approximately 0530 local time when the ship stopped for approximately 1 hour.

Microbial Biomass, Production, and Nutrients

"POTATOE" Cruise NBP03-04

            Bacterial Prod-TdR Bact Production-Leu Bacteral cells          
Date Year Julian Day Latitude Longitude Chla (ug/L) (10e-13 moles/L/hr) (pmole/L/hr) (10e8 cells/L) Water Temp N+N(µM) Nitrate( µM) Ortho -P (µM) Silicate (µM)
22-Aug-03
2003
234
70 21.40
-163 25.75
1.52
99.05
46.4
2.04
6.6
0.4
0.01
0.62
2.43
23-Aug-03
2003
235
66 48.121
-168 02196
2.73
86.69
53.6
1.16
7.7
1.39
0.99
0.7
3.14
24-Aug-03
2003
236
62 44.91
-167 28.15
2.55
48.31
53.1
3.09
9.6
0.49
0.01
0.69
1.51
25-Aug-03
2003
237
58 46.638
-167 40.243
1.18
68.79
45.1
3.4
9.4
0.73
0.36
0.48
0.97
26-Aug-03
2003
238
54 54.881
-166 42.74
5.09
27.73
36.5
1.01
9.1
4.69
4.2
0
3.42
31-Aug-03
2003
243
51 41.86
-165 49.66
1.81
22.87
28.8
2.42
12
9.62
9.06
0.42
7.12
1-Sep-03
2003
244
47 37.88
-167 24.172
2.05
20.16
30.5
5.12
12.3
8.7
8.13
0
5.36
2-Sep-03
2003
245
43 51.340
-167 06.170
0.7
28.02
35.4
4.86
14.7
8.76
8.23
0.42
5.03
3-Sep-03
2003
246
39 42.609
-165 22.450
0.57
24.55
25.3
3.24
19.3
0.61
0.27
0
1.19
4-Sep-03
2003
247
35 52.290
-164 16.831
0.18
15.87
17.6
0.92
24.3
0.53
0.18
0
0.96
5-Sep-03
2003
248
31 50.673
-162 56.700
0.14
27.33
26.3
2.41
25.8
0.84
0.39
0
1.44
6-Sep-03
2003
249
27 56.521
-161 33.557
0.2
21.51
19.5
1.36
26.4
1.25
0.8
0
1.14
7-Sep-03
2003
250
24 14.474
-159 54.416
0.18
16.49
20.6
1.53
26.3
0.82
0.44
0
0.87
15-Sep-03
2003
258
19 46.223
-160 51.483
0.17
17.06
11.7
1.81
27.6
0.49
0.13
0
0.92
16-Sep-03
2003
259
15 51.292
-161 41.070
0.12
33.15
12.9
0.93
27.5
0.38
0
0
0.88
17-Sep-03
2003
260
11 46.097
-162 30.625
0.18
10.78
6.46
2
28.7
0.59
0.27
0
0.84
18-Sep-03
2003
261
07 45.164
-163 14.526
0.18
19.88
12.7
1.29
28.9
0.54
0.14
0
0.77
19-Sep-03
2003
262
04 19.601
-163 51.700
0.39
31.09
18.2
2.02
28.9
0.64
0.16
0
0.87
20-Sep-03
2003
263
00 42.557
-165 29.208
0.59
12.25
15.1
2.28
28.2
2.49
1.69
0
0.87
21-Sep-03
2003
264
02 21.526
-167 10.572
0.37
14.35
15.1
1.53
28.6
3.59
3
0
1
22-Sep-03
2003
265
-07 21.955
-168 25.266
0.33
7.84
9.72
0.9
29.1
2.77
2.34
0
0.88
23-Sep-03
2003
266
-11 09.610
-169 56.158
0.33
14.07
14
1.37
29.3
1.23
0.9
0
0.82
24-Sep-03
2003
267
-14 53.162
-171 16.585
0.28
10.99
13.9
1.02
27.9
0.91
0.61
0
0.85
25-Sep-03
2003
268
-18 27.633
-172 20.874
0.21
6.5
12.6
1.16
26.4
0.37
0
0
0.82
26-Sep-03
2003
269
-22 02.590
-173 46.628
0.19
6.66
8.5
0.96
22.4
0.43
0
0
1.07
27-Sep-03
2003
270
-24 00.011
-172 50.488
0.19
7.68
12.1
1.79
22.1
0
0
0.37
0.79
30-Sep-03
2003
273
-26 51.910
-173 00.031
0.15
26.54
25.1
1.25
21.1
0.43
0.07
0.33
0.9
4-Oct-03
2003
277
-29 53.888
-176 06.189
0.3
20.6
26.3
2.3
18.3
0.29
0
0.36
0.82
5-Oct-03
2003
278
-33 32.159
-177 39.485
1.33
14.5
13.6
1.42
15.7
0.98
0.49
0.42
1.01
6-Oct-03
2003
279
-36 41.371
-179 35.220
0.46
81.79
87.5
1.99
15.4
3.64
2.99
0.35
1.09
11-Oct-03
2003
284
-40 00.457
-178 08.802
4.29
20.1
16.4
2.06
14.3
4.01
3.4
0.36
0
28-Oct-03
2003
301
-49 29.848
-173 25.033
1.21
6.35
6.88
1.95
8.2
30-Oct-03
2003
303
-57 55.773
-173 42.648
0.88
2.82
48.3
0.77
5
31-Oct-03
2003
304
-61 56.052
-173 53.257
0.48
1.81
1.8
0.48
2.5
1-Nov-03
2003
305
-64 52.784
-174 01.020
0.32
2.81
0.47
0.51
-1.74
2-Nov-03
2003
306
-66 46.062
-174 36.783
0.24
1.33
0.27
0.53
-1.84

Data published in Baldwin et al 2005 (Aquatic Microbial Ecology 41: 91-102)

Note that this table also contains data from the beginning of the MIXurs cruise (49 to 68 South)

all data are from CTD hydrocasts from bottles tripped at 5 m depth

cells/ml are bacterial DAPI direct counts

Bacterial Production: pmol Leu/L/hr is 3H-leucine incorporation by the Smith and Azam (1992) method

Bacterial Production: pmol TdR is 3H-thymidine incorporation by the Smith and Azam (1992) method

Chla was determined by fluorescence of 90% acetone extraction of GF/F filters

CTD Files

Solar Irradiance