1
WS1 (Pel 33)
28 42.977N
88 24.466W
1600m
yes
none
5/26: 1600m water depth. Wire in @ 1300; out @ 14:01; This station had a very strong CDOM peak at 740m and 1150m during the Pelican cruise.  We saw a very small peak in CDOM but the sensor was set on the lowest sensitivity level.  Tripped bottles@ 6 dept
Bottles fired @1550 (1,2); 1315 (4,5); 1230 (6,7); 1010 (7,8); 750 (9,10); 10 (11,12)
Methane-filled bottles and removed 20 mL of HS and replaced w/ He; DIC=4 mL regular fixation; sulfide=10 mL + 1 mL ZnAc; NH4=15mL+600 µL phenol. Sample bottles named C1-bottle#
20100526
2
28 42.980N
88 24.434W
1580m
no
5/26: 1580m water depth. Wire in @ 1620; out @ 17:20;Repeated the cast to sample the observed minor CDOM anamolies but they were so low we elected to bring the rosette back up to the surface.  Did not trip any bottles.
no bottles fired; profile only
3
28 42.823N
88 24.426W
5/26: Wire in @ 19:00; out @ 20:16; Switched to Vernon's CDOM sensor; still nothing.  Checked ADCP data and the plume appears to have moved North.  So we will bring the rosette back up and transit 1 mile North and try a profile there.
4
WS2
28 43.800N
88 24.571W
1550m
strong
5/26: 1550m water depth. Wire in @ 21:24; Out @ 22:30; Found the plume. Water depth 1504m.  The plume had distinct layers between 800m and 1300m.  Very high CDOM at the bottom of the plume but no oxygen depletion.
Bottles fired @1400 (1,2,3); 1310 (4,5,6); 1120 (7,8,9); 840 (10,11,12); bucket sample @ sfc
Methane-Bottle 1 was full and then 20 mL displaced but others were filled w/ 100 mL except for surface sample which got 90mL; DIC=4 mL regular fixation; sulfide=10 mL + 1 mL ZnAc; NH4=15mL+600 µL phenol. Sample bottles named C4-bottle#
5
n/a
5/26: DJ sent down two GoFlo bottles on the hydrowire.  He collected metals and CDOM and Kate collected methane gas and oil samples.
bottles did not seal properly
6
WS3
28 44.596N
88 24.582W
1490m
weak
5/26: Attempting to find the leading edge of the plume. Found a deep (1280-1340m) feature with increased CDOM and trans; at 930m, pronounced trans peak and O2 depletion; at 800m, small increase in CDOM, no oxygen anamoly.
Bottles fired @1320 (1,2,3); 1200 (4,5); 940 (6,7,8); 930 (9,10,11); 810 (12); bucket sample @ sfc
Methane-bottle filled w/ 90 mL of sample; DIC=4 mL regular fixation; sulfide=10 mL + 1 mL ZnAc; NH4=15mL+600 µL phenol. Sample bottles named C5-bottle#; also collected a live sample and a methane sample from the surface (lots of oil on the surface here)
7
WS4
28 43.452N
88 24.522W
5/27: 1 mile S of WS3 (0.5 mile S of WS2). CDOM signal is not as intense as WS2 but is broader than WS3; signals present from 860 to 1200m. Very different signature than WS2. wire in@23:23 5/26; wire out @ 00:15.
20100527
8
WS5
28 43.798N 28 43.796N
88 25.230W 88 25.349W
1543m
moderate
5/27: wire in @ 00:45 5/27; wire out @ 1:15; small blips in the O2 profile at various depths below 900m but nothing substantial; CDOM and trans signals increase starting at 900; again 3 layers appear to comprise the core of the plume.
9
WS6
28 43.544N 28 43.636N
88 25.585W 88 25.649W
1542m
5/27: wire in @ 01:56, out at 02:11; CDOM signal increase began around 900m; thin layer @ 1080m and a much bigger (5X) layer at 1240m.  Some O2 depletion @ 1080m; bottom 150m looks normal and unimpacted.
10
WS7
28 43.482N 28 43.585N
88 25.980W 88 26.015W
1539m
5/27: wire in @ 03:00, out @ 03:25; CDOM signal increase began around 900m; thin layer @ 1080m and a much bigger (5X) layer at 1240m.  Some O2 depletion @ 1080m; bottom 150m looks normal and unimpacted.
11
WS8
28 43.410N 28 43.522N
88 26.252W 88 26.632W
1505m
5/27: wire in @ 04:12, out @ 04:35; CDOM signal begins around 950m and while there are still 3-4 distinct layers, CDOM signals are much lower. There is O2 depletion at about 960m, 1080m, and 1120m
12
WS9
28 43.252N 28 43.320N
88 26.963W 88 26.978W
1460m
5/27: wire in @ 05:23, out @ 05:45; CDOM signal begins around 900m and the delineation of layers is less clear.  A broad CDOM hump  between 950m and 1150m and a sharp peak at 1260m.  Two negative O2 anamolies.
13
WS10
28 43.124N 28 43.127N
88 27.452W 88 27.415W
1405m
5/27: wire in @ 06:25, out @ 06:45; CDOM signal begins around 1060m and there are no distinct layers rather a broad CDOM hump between 1060m and 1200m.  No deep, sharp CDOM/trans peak. O2 negative anamolies at 1060m and 1340m.
14
WS11
28 42.447N 28 42.512N
1350m
5/27: wire in @ 7:15, out @ 8:15; very reduced CDOM but O2 anamoly is still present.
15
WS12
28 43.393N 28 43.379N
88 28.878W 88 28.894W
1400m
5/27: asked the Captian to return St. 7 but instead we went 2 miles further out and found a very impressive feature; wire in @ 08:55, out @ 09:50; CDOM signal increases around 950m and there is broad CDOM hump between 950m and 1180m.  There is one sharp
Bottles fired @1280 (1,2,3); 1140 (4-8); 1020 (9,10,11); 900 (12)
16
5/27: second cast at site 12; wire in @ 10:30, out @ 11:25; Similar features; captured more of the dynamics of the depth profile.
Bottles fired @1280 (1,2,3); 1125 (4-9); 1080 (10,11); 800 (12)
Methane samples=80 mL; bottles pre-purged with Helium
17
WS13
28 49.583N
88 48.959W
700m
5/27: wire in @ 1530; out@1610; not much profile in any of the sensor packages. Sampled for methane.
Bottles fired @ 600, 300 and 20m
18
WS14
28 42.414N
88 31.278W
1370m
5/27: wire in @ 2000; wire out @ 2040; two low O2 features noted low in the water column
Bottles fired @ 1250m& 1165m
Methane samples=80 mL; bottles pre-purged with Helium; only methane collected
19
WS15
28 42.178N 28 42.184N
88 32.318W 88 32.510W
1380m
5/27: wire in @ xxx; wire out @ yyy; two distinct O2 depletion layers were noted.  The trans signal was higher in the upper CDOM rich layer than the lower layer.
1 bottle fired @ sfc for phytoplankton
20
WS16
28 41.839N 28 42.092N
88 33.607W 88 33.869W
1368m
5/27: wire in @ 21:52; wire out @ 22:15; the peak in trans and CDOM between 1040 and 1140m is still there and O2 is depleted with in this layer and directly beneath it.
21
WS17
28 41.534N 28 41.454N
88 34.668W 88 34.608W
1166m
5/28: wire in @ 23:25; wire out @ 00:07; secondary O2 peak (+) around 200m.  The CDOM peak is  reduced here but there is a strong Trans signal and a good deal of O2 depletion.
20100528
22
WS18
28 41.385N 28 41.526N
88 35.661W 88 35.498W
1109m
5/28: wire in @ 00:32; wire out @ 00:56; CDOM signal at depth is basicaly gone.  But there is a strong trans signal and still some O2 depletion
23
WS19
28 42.170N 28 41.280N
88 36.859W 88 36.640W
1086m
5/28: wire in @ 01:41; wire out @ 02:17; no CDOM signal at depth and very little O2 depletion
24
WS20
28 40.835N 28 40.824N
88 37.912W 88 37.838W
1090m
5/28: wire in @ 02:46; wire out @ 03:19; some squiggles in the CDOM in the upper water column but no CDOM or O2 signal at depth
25
WS21
28 40.548N 28 40.555N
88 39.058W 88 38.894W
1097m
5/28: wire in @ 03:45; wire out @ 04:17; no CDOM signal at depth and no O2 depletion
26
WS22
28 40.313N 28 40.217N
88 40.124W 88 39.808W
1120m
5/28: wire in @ 05:55; wire out @ 6:32; no CDOM signal at depth and while there is some O2 signal, it's not that dramatic.  There is a weird spike in trans at 820m and a tiny blip in O2 there as well
27
WS23
28 40.112N 28 40.020N
88 41.258W 88 41.107W
1273m
5/28: wire in @ 04:45; wire out @ 5:24; no CDOM signal at depth and no O2 signal (though there is a slight dip in the profile but it could be due to ships movement) [1 mile N of WS26]
28
WS24
28 42.170N 28 42.280N
1130m
5/28: [1 mile to the N of the previous transect] wire in @ 07:09; wire out @ 07:57; no CDOM signal at depth and very little O2 depletion; some blips in the trans but nothing big. Moderate, weathered oil on the surface; heavy in places.  No bottles trippe
29
WS25
28 41.589N 28 41.641N
88 39.353W 88 39.360W
1000m
5/28: wire in @ 08:25; wire out @ 09:05; no CDOM signal at depth and very little O2 depletion (wiggles at depth but nothing definitive).
30
WS26
5/28: wire in @ 10:50; wire out @ 11:35; getting back into the plume--small CDOM signal but good trans  signal and picking up O2 depletion again.
Bottles fired @ 985 (1,2,3) and 870m (4,5,6,7,8)
Methane samples=80 mL; bottles pre-purged with Helium; only methane collected; POC filtered in particle max
31
WS27
28 42.631N 28 42.551N
88 34.036W 88 34.090W
5/28: wire in @ 12:00; wire out @ 12:45; definitely back into the plume. CDOM signal between 920 and 1280m strong and increasing trans signal (peaks in the CDOM plume); O2 drawdown coincident with the CDOM and trans max.
Bottles fired @ 1290m (1,2,3); 1140m (4,5,6,7,8);1015m (9,10); 900m (11,12)
32
WS28
5/28: wire in @ 13:30; wire out @ 14:25; back in the plume, much larger O2 signal here but CDOM is not very high and trans is high.  Feature is deep in the water column (1100-1200m). [2 miles E of WS27] Weaker signals here than at WS27.
FAILED
WS29
Cast Failed; Frayed Wire lost communication with the array
33
28 43.686N 28 43.721N
88 29.402W 88 29.369W
5/28: wire in @ 16:10; wire out @ 17:15; spotty CDOM signal between 1000m and 1280ml strong and thin band of increase trans signal (peaks in the CDOM plume); O2 drawdown spotty between 1060m and 1180m. Weaker signals here than at WS28.
5/28: wire in @ 16:10; wire out @ 17:15; spotty CDOM signal beneath 1000m and thin band of increase trans signal (peaks in the CDOM plume); O2 drawdown spotty between 1060m and 1180m.
34
WS30
28 45.762N 28 45.827N
88 23.161W 88 23.252W
1430m
5/30: wire in @ 01:30, out @02:25; strange (variable) O2 profile at the top of the profile but nothing in the CDOM at any depth.
Bottles fired @ 5.41m for phytoplankton
no chemistry samples
20100530
35
WS31
28 46.008N 28 46.159N
88 20.821W 88 21.101W
1507m
5/30: wire in @ 02:55; wire out @ 03:20;  strange (variable) O2 profile at the top of the profile but nothing in the CDOM at any depth except for tiny squiggles at 1050m.
36
WS32
28 44.381N 28 44.657N
88 19.604W 88 19.812W
1557m
5/30: wire in @ 04:32; wire out @ 05:26;  strange (variable) O2 profile at the top of the profile. At the very bottom, there's a strong CDOM and trans signal.
37
WS33
28 42.576N 28 42.775N
88 20.876W 88 21.068W
1560m
5/30: wire in @ 06:05; wire out @ 06:55; strange (variable) O2 profile at the top of the profile but nothing in the CDOM at any depth.
38
WS34
28 42.727N 28 42.805N
88 23.256W 88 23.151W
1602m
5/30: wire in @ 07:10; wire out @ 08:50;  strange (variable) O2 profile at the top of the profile and biggest  CDOM signal yet.  Big peaks in trans and chl flor as well and a little blip in O2.  The layer is 180m thick.
39
WS35
28 41.541N 28 41.423N
88 24.312W 88 24.322W
5/30: wire in @ 09:00; wire out @ 10:00;  1.5 miles to SW of WS34.  NOTHING here??  Currents looked to the SW.  Will try W of WS34 next.
40
WS36
28 42.612N 28 42.660N
88 24.544W 88 24.674W
1577m
5/30: wire in @ 10:15; wire out @ 11:10;  strange (variable) O2 profile at the top of the profile; CDOM begins to increase @1000m with two broad peaks).  Smaller CDOM peak at 1340.  Oxygen depletion associated with the 1060m CDOM peak but not the deeper
Bottles fired @ 1515m (1); 1340m (2,3,4);1220m (5,6); 1140m (7,8,9,10); 1000m (11,12)
Methane samples=80 mL; bottles pre-purged with Helium; chemistry (gas) at all depths; POC filtered in particle max and O2 resp samples collected here (1140 and 1220m)
41
28 42.720N 28 42.724N
88 23.190W 88 23.143W
5/30: wire in @ 12:56; wire out @ 14:10; strange (variable) O2 profile at the top of the profie; as before STRONG CDOM signal with two peaks separated by a small decrease in signal; O2 decrease at the top of CDOM profile. OIL VISIBLE IN PLUME BOTTLES
Bottles fired @ 1500m (1); 1270m (2,3,4);1140m (5,6,7,8,9,10); 800m (11,12) NOTE-bottles 2 and 3 did not fire!!
Methane samples=80 mL; bottles pre-purged with Helium; chemistry (gas) at all depths; POC filtered in particle max and O2 resp samples collected here (1140 m)
42
WS37
28 42.746N 28 42.690N
88 26.240W 88 25.945W
1450m
5/30: wire in @ 14:30; wire out @ 15:10; 2.6 miles from WS24; very choppy O2 profile in upper 200m; CDOM picks up at 1050m and there are three broad peaks.  O2 depleted only at top of the profile.  Signal a lot lower than near the wellhead.
Bottles fired @ 1260m (1-4); 1160m (5-8)
Methane samples=80 mL; bottles pre-purged with Helium; oil; O2
43
WS38
28 42.750N 28 42.871N
88 23.842W 88 23.929W
1590m
5/30: wire in @ 15:55; wire out @ 16:15; choppy O2 profile in upper 200m; CDOM picks up at 1050m and there are four distinct CDOM peaks. O2 depleted only slightly at top of the profile.
44
WS39
28 42.252N 28 42.282N
88 28.602W 88 28.718W
1345m
5/30: wire in @ 18:22; wire out @ 19:10; O2 profile at the top still varible. Much smaller CDOM peak here. O2 slightly depleted at the 1100m CDOM mark.
Bottles fired@1100m & 1170m
45
WS40
28 41.268N 28 41.262N
88 32.032W 88 31.936W
1440m
5/30: wire in @ 19:40; wire out @ 20:37; O2 profile at the top still varible.  Even smaller CDOM peak here between 1100m and 1240m.
Bottles fired@1170m
46
WS41
28 40.944N 28 40.948N
88 34.175W 88 34.71W
5/30: wire in @ 21:13; wire out @ 22:02; good trans signal but not much in CDOM; O2 depletion of about 15%.
Bottles fired@1160m &1020m
47
WS42
28 40.739N 28 40.434N
88 37.076W 88 37.039W
1160m
5/30: wire in @ 22:18; wire out @ 23:03; Still smaller CDOM and trans signals and O2 is depleted by 1 mg/L w/in the feature.
Bottles fired for DJ; no chem samples
no samples
48
WS43
28 39.010N 28 39.054N
88 37.037W 88 37.111W
5/31: wire in @ 23:56; wire out @ 00:30; bigger CDOM signal here w/ 2 broad peaks.  Strong trans signals @ same depths; O2 is depleted by more than 1 mg/L w/in the feature.
Bottles fired @ 1250m & 1150m
Methane samples=80 mL; bottles pre-purged with Helium; DIC; oil; NH4; H2S
20100531
49
WS44
28 37.780N 28 37.800N
88 32.872W 88 32.722W
1620m
5/31: wire in @ 00:50; wire out @ 01:35; no CDOM signal at depth and no O2 depletion
50
WS45
28 41.241N 28 41.192N
28 41.037W 88 28.200W
5/31: wire in @ 01:45; wire out @ 02:30; smoother surface O2 profile; no CDOM signal at depth and no O2 depletion
51
WS46
28 41.686N 28 41.721N
88 26.081W 88 26.099W
5/31: wire in @ 10:30; wire out @ 11:05; CDOM signals start to pick up and then there are 3 CDOM/trans peaks; oxygen depleted by 1 mg/L within this zone
Bottles fired @ 1320m (1); 1210 (2,3,4); 1170m (5,6,7); 1120 (8,9,10), 800 (11) and 400 (12)
Methane samples=80 mL; bottles pre-purged with Helium; oil; O2; DOC (frozen); live samples at 1170; POC/DNA at 1230, 1170, and 1120m.
52
28 41.701N 28 41.711N
88 26.095W 88 26.071W
5/31: wire in @ 11:50; wire out @ 12:40; same as above
Duplicate cast for Adam
no chemistry--duplicate cast for Adam's biological replicate
53
WS47
28 43.215N 28 43.200N
88 23.869W 88 23.721W
5/31: wire in @ 13:55; wire out @ 14:50; CDOM and chl signals go crazy at depth; multiple negative O2 anamolies. Below 1200 all sensor traces are fairly flat.
Bottles fired @ 1400 (1,2); 1180 (3,4,5), 1105 (6,7,8), 1000 (9,10) and 600m (11,12)
Methane samples=80 mL; bottles pre-purged with Helium; oil; O2; DOC (frozen); live samples at 1180; POC/DNA at 1180.
5/31: wire in @ 13:55; wire out @ 14:50; CDOM and chl signals go crazy at 1000m; largest CDOM and trans signals are deep. Below 1200 all sensor traces are fairly flat.
54
WS48
28 43.897N 28 43.980N
88 24.057W 88 24.026W
5/31: wire in @ 16:39; wire out @ 17:25; trans picks up @ 1000m and there is 1 mg/L O2 depletion; below this layer there is about 80m of water with no signal and then CDOM and trans (and chl) signals increase-there is a smaller O2 depletion signal here.F
Bottles fired @ 1400 (1,2); 1200 (3,4,5), 1140 (6,7,8), and 600m (9,10)
Methane samples=80 mL; bottles pre-purged with Helium; oil; O2; DOC (frozen); live samples at 1180; POC/DNA at 1400 and 1140.
55
WS49
28 43.388N 28 43.444N
88 23.287W 88 23.205W
5/31: wire in @ 16:39; wire out @ 17:25; signals begin @ 1000m and there is a 100m thick layer of strong trans signal that is coincident with a 1 mg/L O2 depletion; below this layer there is about 80m of water with no signal and then signals increase-sma
56
WS50
28 43.060N 28 42.951N
88 22.656W 88 22.622W
5/31: wire in @ 19:30, wire out @ 20:28 no CDOM -- boring profile
57
WS51
28 43.329N 28 43.271N
88 22.797W 88 22.807W
5/31: wire in @ 21:30, wire out @ 22:20; BORING--nothing in CDOM, trans or chl below 100m.
58
WS52
28 43.328N 28 43.209N
88 22.792W 88 22.801W
6/1: wire in @ 00:05 wire out @ 00:55; BORING--nothing in CDOM, trans or chl below 100m.
20100601
59
WS53
28 43.967N 28 44.017N
88 22.993W 88 23.002W
6/1: wire in @ 01:10 wire out @ 02:00; Back in it, chl picks up at 900m; CDOM and trans peak at 1180m, secondary peak at 1260m. Slight O2 depletion at 1100.
Bottles fired @ 1270m (1,2); 1170 (3-6), 1100 (7,8), 1010 (9,10) and 600m (11,12)
Methane samples=80 mL; bottles pre-purged with Helium; oil; O2; DOC (frozen); live samples at 1180; POC/DNA at 1270 and 1180m.
60
WS54
28 43.667N 28 43.749N
88 23.578W 88 23.496W
6/1: wire in @ 06:30 wire out @ 07:35; smaller CDOM peak than 53 but a very strong signal nonetheless
61
WS55
28 43.067N 28 23.098N
88 24.510W 88 24.587W
6/1: wire in @ 10:35 wire out @ 11:30; weak CDOM, trans and chl signals b/t 1000 and 1160m
Bottles fired @ 1300m (1,2); 1130 (3,4), 1100 (5,6), and 600m (7,8)
Methane samples=80 mL; bottles pre-purged with Helium; oil; O2; DOC (frozen); POC/DNA at 1270 and 1180m.
62
WS56
28 42.919N 28 42.816N
88 23.490W 88 23.462W
6/1: wire in @ 12:00 wire out @ 12:58; no CDOM, no trans, no chl hits
63
WS57
28 44.168N 28 44.286N
88 23.623W 88 23.632W
1500m
6/1: wire in @ 13:30 wire out @ 14:30; signal begins at 900 and extends through 1210m; some O2 signal.
Bottles fired @ 1220m (1,2--these did not fire!); 1120m (3,4,5), 1090 (6,7,8), 1070 (9,10) and 600m (11,12)
64
WS58
28 44.333N 28 44.298N
88 23.141W 88 23.090W
1520m
6/1: wire in @ 16:55 wire out @ 17:55; strong CDOM, trans O2 and chl signals 900-1300m; peak signal 1100-1300m.
Bottles fired @ 1400 (1,2); 1240 (3), 1130 (6-8), 1020 (9,10), 900 (11) and 600 (12-did not fire)
65
WS59
28 43.060N 28 24.496N
88 43.208W 88 24.332W
6/1: wire in @ 19:15 wire out @ 20:30; strong CDOM, trans, chl and O2; peak signal 1100-1300m.
Bottles fired @ 1275m (1,2); 1149 (3,4,5), 1048 (6,7), 800 (9,10) and 600m (11,12)