PRELIMINARY CRUISE REPORT, W0304A
R/V WECOMA, 1-6 April 2003
GLOBEC NEP Long-Term Observations off Oregon
Submitted by Jane Fleischbein
College of Oceanic & Atmospheric Sciences
Oregon State University
Corvallis, Oregon 97331-5503
flei@oce.orst.edu, 541.737.5698
FILING DATE: 15 May 2003
CONTRACT/GRANT NUMBER: NSF Grant OCE-0000733.
PRINCIPAL INVESTIGATORS: Adriana Huyer, Robert L. Smith,
P. Michael Kosro, P. A. Wheeler, Jack A. Barth, W. T. Peterson, E. Sherr and B. Sherr
PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental
margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net
tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent
City, CA.), to deploy drifters at selected locations on the Newport line, and to make continuous
observations of currents using ADCP and of surface-layer temperature, salinity and fluorescence by
means of ship’s thru-flo system. Figure 1 shows the location of the CTD stations. Table 1 shows the
CTD station positions, and Table 2 shows the biochemical sampling depths.
SAMPLING PLAN:
1. Use ship’s intake continuously for Temperature, Salinity, and Fluorescence
2. Continuous ADCP Profiling (150 kHz transducer) for water velocity and backscattering for bioacoustics.
3. Standard CTD Stations using SBE 9/11 plus CTD system for Temperature, Salinity, Fluorescence,
Light Transmission, Oxygen, PAR.
4. Rosette sampling: 5 liter bottles for nutrients, chlorophyll, microzooplankton
5. Deploy surface drifters at selected NH-line stations.
6. Vertical net tows: 1/2 meter nets 100 m to surface; Horizontal net tows with 1 m2 MOCNESS.
CRUISE NARRATIVE
A brief overview of W0304A is presented here. An event log is provided in Table 3, and
participating personnel are listed in Table 4. Wecoma departed Newport at 1245 PST on 1 April
2002. CTD sampling started at NH-1 and continued out to NH-10. In A single vertical net tow was
done at NH-1, and both MOCNESS and vertical net tows were started at NH-5. In order to maximize
darkness for the MOCNESS tows, the CTD stations were done out of their usual order. Working out,
NH-15 was skipped and then returned to after the CTD at NH-20, so that the MOCNESS could be
done in the dark at NH-15. MOCNESS and vertical net tows were done during darkness at NH-15,
NH-25, NH-35 and NH-45. At NH-45 the portable winch cable became tangled during the vertical
net tow, so the CTD cast was done while the wire was repaired. CTD casts were then completed at
NH-35 and NH-25 before running back out to NH-55. CTD casts and vertical net tows were completed in order out to NH-85, finishing the line at 2110 PST on 2 April. Drifters were released at NH10, 15, 25, 45 and 65. The ship transited to the inshore end of the FM-line in order to be at the
1
inshore end in daylight, and began sampling at FM-1 at 0712 PST, 3 April, with MOCNESS tows
beginning at FM-3. The FM line was finished at 1610 PDT, 3 April, and the ship transited to the
inshore end of the Crescent City line to arrive there in daylight.
The ship arrived at CR-1 at 0538 PST on 4 April, with MOCNESS tows beginning at CR-2.
Working offshore, the Crescent City line was finished at 0238 PST on 5 April.
Figure 1. CTD stations during W0304A, along the Newport, Five Mile, Heceta Head, Rogue River
and Crescent City Hydrographic Lines.
45
12
7
5 4 1
10
39
41
44
Coos Bay
20
43
17 13
Cape Blanco
32
38
Rogue River
36
31
24
21 Crescent
27
City
200
41
2000
-126
50
Latitude ( N)
15
40
Heceta Head
2000
200
50
44
42
Newport
9 6
-125
-124
Longitude ( W)
-123
-122
The ship arrived at the offshore end of the Rogue River line at 0710 PST on 5 April, and the
RR-line was completed at 1830 PST doing both CTD’s and the usual net tows in order. The ship
transited to HH-5, arriving at 0412 PDT, 6 April (having switched from PST to PDT at 0200 PST).
Because of bad weather forecast for our April 7th morning arrival in Newport at ebb tide, it was
decided to change the ETA in Newport to the afternoon of April 6th at high tide; thus the outer stations and MOCNESS tows on the HH-line were skipped in order to finish the inshore stations. Time
was sufficient to add an intermediate station, “HH-1.5” between HH-2 and HH-1 to get more sampling on the inshore end of the line. HH-1 was completed at 1215 PDT, 6 April and the ship transited
to Newport, arriving at the pier at 1645 PDT.
2
PRELIMINARY RESULTS
Winds For several weeks prior to our cruise, predominant winds had been favorable for
downwelling, and these predominantly southwest winds continued during the first half of our cruise.
Monthly anomalies of the Coastal Upwelling Index at 45 N, 125 W had been negative in December,
January and March ( http://las.pfeg.noaa.gov/las/main.pl ) though positive in February 2003.
Stratification On all five sections, the pycnocline was roughly level, as expected from the
downwelling-favorable winds in March and early April, with little or no upwarping toward the coast.
Surface temperatures were nearly uniform (about 11 C). Surface salinities were also nearly uniform
(at ~32.3 psu), except for a fresher lens adjacent to the coast. On all sections the thermocline (at 9-10
C) and halocline (32.4-33.8 psu) intersect the bottom near the middle of the continental shelf. These
distributions are typical of winter conditions, and indicate that the spring transition had not yet
occurred. There was little evidence of upwelling, but several sections showed isopycnals bending
upward over the continental slope at greater depth (100-300 m).
Subarctic Anomaly The LTOP cruise in July 2002 had shown evidence of a cold fresh anomaly in
and above the halocline (Freeland et al., 2003,
http://ltop.coas.oregonstate.edu/~ctd/pdf/FGHSforweb.pdf ), indicating enhanced Subarctic influence
in the California Current region. Subsequent LTOP cruises (in September, December and February)
had shown it persisting along the NH-line off Newport; in February 2003, it was particularly strong
at NH-45, NH-35 and NH-25. An extra NH-line section that was made on on 28-29 March during the
LTOP mooring cruise clearly showed the anomaly still present at NH-85 (P. M. Kosro, pers. comm.).
T-S diagrams from this cruise showed that the same or a very similar cold, fresh anomaly was
strong off Coos Bay, Rogue River and Crescent City. The signal was particularly strong and clear
along the FM-line off Coos Bay, but even off Coos Bay, the inshore stations were of relatively high
temperature and salinity. The cross-shelf gradient reflects the influence of Equatorial Water moving
northward along the coast in winter. On both the RR- and CR-Lines, there was evidence of a lot of
interleaving between Subarctic Water and Equatorial Water. T-S curves from stations on the HH-line
have a nearly straight segment in the thermocline and halocline separating the surface (at 10.6 C,
32.3 psu) water from the water at the bottom over Heceta Bank (7.8 C, 33.8 psu); this suggests that
mixing over the bank is sufficiently vigorous to erase advective water-mass anomalies. T-S characteristics from the NH-line off Newport resemble those from the HH-line, except that offshore stations exhibit mild curvature within the pycnocline. This implies that pycnocline waters off Newport
are a mixture of Heceta Bank water (advected northward) with remnants of the Subarctic anomaly.
A deeper water-mass anomaly seemed to be present at the most offshore station off Crescent
City (Station 31 at CR-11), where temperature in a thick layer (250 m to 770 m) were about 0.2 to
0.5 C lower than at similar depth and salinity of the adjacent station (Station 30 at CR-10).
Fluorescence Values of CTD fluorescence voltage were low (<1.5 V) everywhere except over
Heceta Bank (HH-1 to HH-4) , near Stonewall Bank (NH-10 and NH-15) and the inshore stations on
each line (NH-1, 3, 5; FM-1, 3; RR-1 2,3; CR-1, 2). These relatively high values suggest that vertical
mixing over Heceta and Stonewall Banks and over the inner shelf is sufficient to mix nutrients up
into the photic zone in winter.
3
Currents Geostrophic velocity calculations indicate that flow over the shelf off Newport was 10-20
cm/sec over the outer shelf. Satellite-tracked drifters show a maximum southward displacement of
about 50 km in the first 5-6 days, indicating a speed of about 10 cm/sec.
The attached microzooplankton report was provided by the Drs. Evelyn and Barry Sherr.
The attached drifter plots were provided by Dr. Jack Barth.
4
12
NH-1
W0304A Newport Hydro Line
NH-5
11
NH-3
1-3 April 2003
NH-15
10
NH-45
Temperature
NH-10
9
NH-85
NH-55
8
NH-35
NH-20
7
NH-25
6
NH-65
5
4
31
32
33
Salinity
5
34
35
W0304A Five Mile Line
3-4 April 2003
12
11
FM-3
FM-1
10
Temperature
FM-4
9
FM-5
8
FM-7
FM-8
FM-6
FM-9
7
6
5
4
31
31.5
32
32.5
33
Salinity
6
33.5
34
34.5
12
CR-1
11
W0304A Crescent City Line
CR-2
CR-3
4-5 April 2003
10
Temperature
CR-7
9
CR-8
8
CR-6
CR-10
7
CR-9
CR-11
CR-5
6
CR-4
5
4
31
32
33
Salinity
7
34
35
W0304A Rogue River Line
12
5 April 2003
RR-3
11
RR-1
RR-5
Temperature
10
RR-2
9
RR-7
8
RR-6
7
RR-4
6
5
4
29
30
31
32
Salinity
8
33
34
35
W0304A Heceta Head Line
12
6 April 2003
11
HH-1
Temperature
10
HH-1.5
HH-4
9
HH-5
8
HH-2
HH-3
7
6
5
4
29
30
31
32
Salinity
9
33
34
35
W0304A Wind Speed and Direction
360
Wind Direction (° T)
270
180
90
0
1
2
3
5
4
6
7
April 2003 (GMT)
.... Port
....
Starboard
40
Wind Speed (kts)
30
20
10
0
1
2
3
4
April 2003 (GMT)
10
5
6
7
Table 1. CTD station positions during W0304A, and sampling at each station (C: Bio/Chem bottle sampling, N:halfmeter vertical net tows, M:Mocness, O:Oxygen samples, D:Drifter, Z:Microzooplankton bottle sampling).
Station
Name
No.
NH-1
NH-3
NH-5
NH-10
NH-20
NH-15
NH-45
NH-35
NH-25
NH-55
NH-65
NH-85
FM-1
FM-3
FM-4
FM-5
FM-6
FM-7
FM-8
FM-9
CR-1
CR-2
CR-3
CR-4
CR-5
CR-6
CR-7
CR-8
CR-9a
CR-10
CR-11
RR-7
RR-6
RR-5
RR-4
RR-3
RR-2
RR-1
HH-5
HH-4
HH-3
HH-2
HH-1.5
HH-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Distance
from shore
(km)
3
5.2
9.1
18.3
36.9
26.7
83.3
64.8
46.5
103.2
121.5
157
3.3
8.7
15.2
22.2
28.9
35.7
49.1
62.6
8
16.3
24.4
32.6
40.9
49.3
65.7
82.2
98.9
120.9
148.5
64.6
48.3
40
31.9
23.5
15.4
7.2
68.9
53
36.9
20.9
13
5
Lat.
°N
Long.
°W
44.65
44.65
44.65
44.65
44.65
44.65
44.65
44.65
44.65
44.65
44.65
44.65
43.22
43.22
43.22
43.22
43.22
43.22
43.22
43.22
41.9
41.9
41.9
41.9
41.9
41.9
41.9
41.9
41.9
41.9
41.9
42.5
42.5
42.5
42.5
42.5
42.5
42.5
44
44
44
44
44
44
-124.1
-124.13
-124.18
-124.29
-124.53
-124.4
-125.12
-124.88
-124.65
-125.37
-125.6
-126.05
-124.43
-124.5
-124.58
-124.67
-124.75
-124.83
-125
-125.17
-124.3
-124.4
-124.5
-124.6
-124.7
-124.8
-125
-125.2
-125.4
-125.67
-126
-125.2
-125
-124.9
-124.8
-124.7
-124.6
-124.5
-125
-124.8
-124.6
-124.4
-124.3
-124.2
11
Bottom
Depth
(m)
29
48
58
80
142
95
699
433
298
2867
2861
2884
34
64
86
156
310
344
1080
1654
41
68
138
504
659
698
835
2726
3096
2929
3325
2973
1769
1159
600
132
86
37
933
111
153
120
93
53
Cast
Depth
(db)
24
41
53
75
136
91
682
430
294
1006
1006
1006
30
59
80
150
306
339
1007
1006
38
64
128
499
657
695
800
1006
1006
1005
1005
1007
1006
1005
591
125
81
33
901
105
146
114
87
47
Sampling
Type
N
C,Z,N,M
N,D
N
C,Z,N,M,D
C,Z,N,M,D
C,Z,N,M
C,Z,N,M,D
O2, N
C,Z,N,D
C,Z
N
C,Z,N,M
C,Z,N,M
C,Z,N,M
O2
C,Z,N,M
C,Z,N
C,Z,N
C,Z,N
Z,N,M
C,Z,N,M
C,Z,N,M
C,Z
N,M
C,Z,N
C,Z,N
O2
C,Z,N
C,Z,N
C,Z,N
O2
C,Z,N,M
C,Z,N,M
C,Z,N,M
C,Z,N
C,Z,N
C,Z,N
C,Z,N
C,Z,N
C,Z,N
C,Z,N
Table 2: Actual sample depths and types of subsamples for biochemical sampling during the April ’03 LTOP GLOBEC cruise.
Station, Depth,
Dist. From Shore
NH-05, 60m, 9km
Sample Collection Depths (m)
Type of Sample Collected
NH-25, 295m,
46km
NH-35, 673m,
65km
NH-45, 700m
83km
NH-65, 288m,
121km
NH-85, 2900m,
157km
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
(all depths)
85, 70, 60, 51, 40, 30, 20, 10.5,
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
5.3, 2
(all depths)
285, 200, 150, 100, 70, 50, 40, 30, TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
20, 10, 2
(all depths) (except 200 and 150 m)
429, 320, 150, 100, 70, 50, 40, 30, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
20, 10, 5, 1
depths) (except 427, 250 and 150 m)
680, 499, 150, 100, 69, 50, 40, 30, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
25, 21, 10, 2
depths) (except 680, 499 and 150m)
1004, 948, 400, 150, 100, 70, 50, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
40, 30, 21, 10, 2
depths) (except 1005, 600 and 150m)
1006, 628, 149, 101, 70, 52, 38,
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
30, 28.8, 20, 10, 3
(all depths) (except 1005, 285 and 150 m)
FM-3, 60m, 9km
57, 50, 41, 30, 25, 20, 15, 10, 5, 2
TOC (all depths), Nutrients, TN (all depths), Chl, POC/PON
FM-4, 84m, 15km
80, 70, 60, 50, 40, 30, 20, 10, 5, 1
TOC (surface), Nutrients, TN (surface), both Chl, POC/PON
FM-5, 158m,
22km
FM-7, 336m,
35km
FM-8, 1078m,
49km
FM-9, 1722m,
49km
149, 130, 100, 70, 60, 50, 40, 30,
20, 15, 10, 1
300, 165, 150, 100, 70, 50, 40, 30,
27, 20, 10, 2
1006, 451, 150, 100, 70, 50, 42,
40, 30, 20, 10, 2
1004, 510, 149, 102, 71, 51, 45,
40, 30, 20, 10, 2
TOC (surface), Nutrients, TN (surface), both Chl, POC/PON (except
151m)
TOC (all depths), Nutrients, TN (all depths) both Chl, POC/PON
(except 300 and 150m)
TOC (surface), Nutrients, TN (surface) both Chl, POC/PON (except
1000, 850, and 150m)
TOC (all depths), Nutrients, TN (all depths) both Chl, POC/PON
(except 1000, 965, and 150m)
NH-15, 90m, 28km
53, 50, 40, 30, 25, 20, 15, 10, 5, 2
12
Table 2 cont.
CR-1, 39m, 8km
CR-9a, 3089m,
93km
CR-11, 3400m,
147km
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
(all depths)
116, 100, 70, 60, 49, 40, 30, 20,
TOC (surface), Nutrients, TN (all depths), both Chl and POC/PON (all
15, 10, 5, 1
depths)
450, 250, 150, 100, 70, 50, 40, 30, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
20, 12, 10, 2
depths) (except 495, 450, and 150m)
550, 500, 150, 100, 70, 50, 40, 30, TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
20, 10, 1
(all depths) (except 645, 500, 400 and 150m)
799, 500, 150, 100, 69, 50, 40, 30, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
26, 20, 10, 2
depths) (except 835, 500 and 150m)
979, 390, 150, 99, 70, 50, 40, 30, TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
26.5, 20, 10, 2
(all depths) (except 1005, 770 and 150m)
1006, 385, 150, 100, 71, 50, 40,
TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
30, 20, 10, 3
depths) (except 1000, 390 and 150m)
RR-1, 35m, 7km
31, 25, 20, 15, 10, 5, 2
CR-3, 117m, 23km
CR-4, 495m, 31km
CR-5, 645m, 41km
CR-7, 852m, 66km
RR-2, 80m, 15km
RR-3, 130m, 23km
RR-4, 550m, 33km
RR-6, 1800m,
47km
RR-7, 3060m,
64km
35, 30, 25, 20, 15, 10, 7, 5, 2
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
(all depths)
82, 70, 60, 48, 39, 30, 20, 14, 10, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
5, 1
depths)
120, 70, 60, 50, 41, 30, 26, 20,
TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
10, 5, 1
depths)
590, 500, 151, 100, 70, 50, 40, 30, TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
20, 15, 10, 1
(all depths) (except 500, 450, and 150 m)
1005, 150, 100, 70, 50, 40, 30, 20, TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON
10, 2
(all depths) (except 1005, 200, and 150 m)
1005, 880, 510, 150, 100, 71, 51, TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
40, 30,, 20, 10, 2
depths) (except 1006, 830 and 150)
13
Table 2 cont.
HH-1, 52m, 7km
46, 40, 30, 25, 20, 15, 10, 5, 2
HH-2, 115m,
16km
HH-3, 150m,
24km
HH-4, 100m,
32km
HH-5, 950m,
40km
113, 100, 70, 60, 50, 40, 30, 20,
10, 5, 2
145, 100, 70, 60, 50, 39, 30, 25,
20, 10, 2
100, 95, 70, 60, 50, 40, 30, 25, 20,
10, 5, 1
770, 552, 500, 150, 100, 70, 50,
40, 30,, 20, 9, 2
Subsample
TOC
Nutrients
TN
Chl
POC/PON
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON (all
depths)
TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
depths)
TOC (surface), Nutrients, TN (surface), both Chl and POC/PON (all
depths)
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON (all
depths)
TOC (all depths), Nutrients, TN (all depths), both Chl and POC/PON (all
depths) (except 820, 500, and 150 m)
Replicates
3
2
3
2
1
14
Table 3. R/V WECOMA Cruise W0304A
Start End Sta. Sta. Latitude
Longitude
Bottom Atmos Wind Wind
(UT) Time Time No. Name (deg) (min) (deg) (min) Depth Press
Dir. Speed
(UT) (UT)
(m)
(mbar) (deg T) (kts)
1-Apr
1700
2045
2049
2049
2-Apr
2203
2217
2249
2330
2347
2359
0007
0013
0145
0202
0209
0320
0339
0439
0504
0519
2212
2221
2246
2343
2349
0004
0034
0156
0208
0332
0344
0459
0510
1
NH-1
2
3
NH-3
NH-5
4
NH-10
5
NH-20
6
NH-15
0541
0552
0714
0728
0940
0955
0720
NH-25
0816
0947
NH-35
1055
1226
1405
1448
1527
1535
1543
NH-45
1324
1435
1524
7
NH-45
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
44
39.2
39.4
39.1
39.1
39.1
39.1
39.1
39.0
38.6
39.0
39.0
39.04
39.1
39.1
39.1
39.1
39.0
38.7
38.75
39.1
39.1
37.8
39.1
38.9
37.2
39.1
36.4
39.1
39.1
39.1
39.11
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-125
-125
-125
-125
-125
-125
06.0
05.9
07.6
10.6
10.6
10.7
10.7
10.7
11.5
17.7
17.8
17.81
31.7
31.7
24.7
24.7
24.8
25.7
26.07
39.0
39.0
40.4
52.9
52.9
53.4
06.9
06.9
06.9
07.0
07.0
07.09
29 1005.0
200
30
48 1005.0
58 1004.5
200
215
31
23
80 1005.0
240
25
142 1003.8
240
17
95 1004.1
240
15
1012.2
260
26
1002.2
200
25
1001
200
15
699
15
Event
air calibration of transmissometer
Depart Newport
Start DAS
Start echosounder
Start ADCP
Start flo-thru
Start flo-thru fluorometer
CTD
vertical net tow, 22m
CTD
CTD with biochem, mzp
vertical net tow, 55 m
2nd vertical net tow, 55 m
Secchi disk (6m)
Mocness deployed
Mocness aboard
CTD
vertical net tow, 75 m
drifter 40172 deployed
CTD
vertical net tow, 100 m
CTD with biochem, mzp
vertical net tow, 90 m
Mocness deployed
Mocness aboard
drifter 40173 deployed
vertical net tow, 100 m
Mocness deployed
Mocness aboard
vertical net tow, 100 m
Mocness deployed
Mocness aboard
Mocness deployed
Mocness aboard
aborted vertical tow (wire tangled)
CTD with biochem, mzp
vertical net tow, 100 m
Drifter 40175 deployed
cleaned flo-thru filter
Event ID
WE09103.1
WE09103.2
WE09103.3
WE09103.4
WE09103.5
WE09103.6
WE09203.1
WE09203.2
WE09203.3
WE09203.4
WE09203.5
WE09203.6
WE09203.7
WE09203.8
WE09203.9
WE09203.10
WE09203.11
WE09203.12
WE09203.13
WE09203.14
WE09203.15
WE09203.16
WE09203.17
WE09203.18
WE09203.19
WE09203.20
WE09203.21
WE09203.22
WE09203.23
WE09203.24
WE09203.25
Table 3 cont.
(UT)
Start
Time
(UT)
1550
1644
1825
1900
2224
2330
3-Apr 0041
0135
0143
0151
0405
0510
1445
1530
1512
1524
1556
1614
1626
1725
1743
1755
1853
1918
1931
2058
2208
2242
2255
4-Apr 0110
0203
0310
0401
0410
1338
1350
1429
End
Time
(UT)
Sta.
No.
1718
1853
8
9
NH-35
NH-25
2317
2326
0131
0141
0148
10
NH-55
11
NH-65
0501
12
NH-85
1519
1527
1610
1619
13
FM-1
14
FM-3
1646
1740
1749
15
FM-4
1819
1914
1924
16
FM-5
2014
2132
2237
2249
17
18
FM-6
FM-7
19
FM-8
20
FM-9
21
CR-1
2353
0158
0210
0400
0408
1338
1354
1433
Sta. Latitude
Longitude
Bottom Atmos Wind Wind
Name (deg) (min) (deg) (min) Depth Press
Dir. Speed
(m)
(mbar) (deg T) (kts)
CR-2
44
44
44
44
44
44
44
44
44
44
39.1
39.2
39.21
39.0
38.9
39.1
39.1
39.1
39.10
39.1
-124
-124
-124
-125
-125
-125
-125
-125
-125
-126
52.9
39.0
38.90
22.0
22.2
36.0
36.0
36.0
36.01
03.0
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
13.0
13.0
13.0
13.0
13.0
12.5
13.1
13.1
13.1
12.7
13.0
13.1
13.3
12.1
13.0
13.0
13.0
12.9
10.9
13.0
13.0
13.0
13.0
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-125
124
-125
-125
26.0
25.9
30.0
30.0
30.2
30.7
34.9
34.9
35.1
36.0
40.0
40.0
40.2
41.2
45.0
50.0
50.0
50.1
51.3
00.0
59.9
09.9
09.9
41 54.0
41 54.0
41 53.9
-124 18.1
-124 18.1
-124 24
433 1002.2
298 1003.5
250
240
20
15
2867 1005.0
295
15
2861 1005.9
290
20
2884 1008.5
310
22
34 1015.0
275
9
64 1015.8
290
11
86 1015.8
240
21
312 1015.0
346 1014.0
210
195
25
26
1080 1011.5
200
30
1654
170
20
41 1013.8
095
7
1014.0
130
10
156
1010
16
Event
cleaned Turner fluorometer
CTD with biochem, mzp
CTD with biochem, mzp
drifter 40174 deployed
CTD with oxygen
vertical net tow
CTD with biochem, mzp
vertical net tow, 100 m
2nd vertical net tow, 100 m
drifter 40176 deployed
CTD with biochem
begin transit to FM-Line
cleaned Turner fluorometer
air calibration of transmissometer
CTD
vertical net tow, 30 m
CTD with biochem, mzp
vertical net tow, 60m
Mocness deployed
Mocness aboard
CTD with biochem, mzp
vertical net tow, 80m
Mocness deployed
Mocness aboard
CTD with biochem
vertical net tow, 100 m
Mocness deployed
Mocness aboard
CTD with oxygen
CTD with biochem, mzp
vertical net tow, 100 m
Mocness deployed
Mocness aboard
CTD with biochem, mzp
vertical net tow, 100 m
CTD with biochem, mzp
vertical net tow, 100 m
begin transit to CR-1
CTD with biochem, mzp
vertical net tow, 35 m
vertical net tow, 63 m
Event ID
WE09203.26
WE09203.27
WE09203.28
WE09203.29
WE09203.30
WE09303.1
WE09303.2
WE09303.3
WE09303.4
WE09303.5
WE09303.6
WE09303.7
WE09303.8
WE09303.9
WE09303.10
WE09303.11
WE09303.12
WE09303.13
WE09303.14
WE09303.15
WE09303.16
WE09303.17
WE09303.18
WE09303.19
WE09303.20
WE09303.21
WE09303.22
WE09303.23
WE09303.24
WE09303.25
WE09403.1
WE09403.2
WE09403.3
WE09403.4
WE09403.5
WE09403.6
WE09403.7
Table 3 cont.
(UT)
Start
Time
(UT)
End
Time
(UT)
1435
1451
1510
1510
1515
1440
1500
Sta.
No.
22
Sta. Latitude
Longitude
Bottom Atmos Wind Wind
Name (deg) (min) (deg) (min) Depth Press
Dir. Speed
(m)
(mbar) (deg T) (kts)
CR-2
1532
1532
1615
1639
1652
1800
1839
1850
2038
2156
2211
2251
5-Apr 0048
0131
0242
0425
0522
0530
0659
0933
1028
1038
1510
1524
1526
1557
1640
1657
1646
1831
2017
2053
1636
1645
1723
1835
1844
2001
2120
2204
2244
2353
0128
0137
0322
0517
0527
0536
0751
1024
1554
23
CR-3
24
CR-4
25
26
CR-5
CR-6
CR-6
27
CR-7
28
29
CR-8
CR-9a
30
31
CR-10
CR-11
32
RR-7
1602
1643
1642
1927
2051
2100
33
RR-6
34
35
RR-5
RR-4
41 53.9
-124 24.1
41 54.1
-124 24.1
41 54.9
-124 24.6
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-125
-125
-125
-125
-125
-125
-125
-126
-126
54.0
54.0
54.1
55.0
54.0
54.0
54.1
56.9
53.9
54.0
54.0
54.0
54.4
54.0
54.0
54.0
54.0
54.0
54.0
54.0
54.0
54.0
30.0
30.0
30.1
31.1
36.0
36.0
36.2
38.6
42.0
48.0
48.0
54.4
51.2
00.0
00.0
12.0
24.0
24.0
24.0
40.0
00.0
00.0
42 30.0
-125 12.0
42 30.0
-125 12.0
42
42
42
42
42
-125
-125
-124
-124
-124
30.0
30.0
30.0
30.0
30.0
00.0
00.0
54.0
48.0
48.0
68
138 1014.9
090
504 1016.5
095
659 1018.0
1018.5
705
var
835 1019.0
330
2726 1019.0
3096 1021.5
335
335
2929 1022.2
3325 1023.0
330
340
2973 1021.8
285
2nd vertical net tow, 63 m
CTD, mzp
cleaned flo-thru filters
Mocness deployed
cleaned Turner fluorometer
Mocness aboard
air calibration of transmissometer
18 CTD with biochem, mzp
vertical net tow, 100m
Mocness deployed
Mocness recovered
12 CTD with biochem, mzp
vertical net tow, 100 m
Mocness deployed
Mocness aboard
lt. Airs CTD with biochem, mzp
10 vertical net tow, 100 m
CTD
Mocness deployed
Mocness aboard
24 CTD with biochem, mzp
vertical net tow, 100 m
25 CTD
22 CTD with biochem, mzp
vertical net tow, 100m
2nd vertical net tow, 100m
15 CTD with oxygen
5
CTD with biochem, mzp
vertical net tow,100m
begin transit to RR line
8
1769 1022.1
260
17
1159 1022.5
600 1021.5
240
210
15
18
17
Event
CTD with biochem, mzp
cleaned flo-thru filters
cleaned Turner fluorometer
vertical net tow,100 m
air calibration of transmissometer
CTD with biochem, mzp
vertical net tow, 100 m
CTD with oxygen
CTD with biochem, mzp
vertical net tow, 100 m
Event ID
WE09403.8
WE09403.9
WE09403.10
WE09403.11
WE09403.12
WE09403.13
WE09403.14
WE09403.15
WE09403.16
WE09403.17
WE09403.18
WE09403.19
WE09403.20
WE09403.21
WE09403.22
WE09403.23
WE09403.24
WE09503.1
WE09503.2
WE09503.3
WE09503.4
WE09503.5
WE09503.6
WE09503.7
WE09503.8
WE09503.9
WE09503.10
WE09503.11
WE09503.12
WE09503.13
WE09503.14
WE09503.15
WE09503.16
Table 3 cont.
(UT)
Start
Time
(UT)
End
Time
(UT)
Sta.
No.
Sta. Latitude
Longitude
Bottom Atmos Wind Wind
Name (deg) (min) (deg) (min) Depth Press
Dir. Speed
(m)
(mbar) (deg T) (kts)
2107
2255
2317
2328
6-Apr
0040
0057
0109
0211
0225
0230
1112
1200
1211
1318
1338
1352
1440
1502
1604
1625
1750
1807
1851
1907
1915
2205
2313
2322
36
RR-3
0000
0055
0102
37
RR-2
0129
0221
0228
38
RR-1
1155
1205
1220
1335
1343
39
HH-5
40
HH-5
HH-4
1500
1508
1624
1630
1803
1814
1902
1910
41
HH-3
42
HH-2
43
HH-1.5
44
HH-1
42
42
42
42
42
42
42
42
42
42
42
42
29.8
30.0
30.0
29.9
29.8
28.6
30.0
30.0
30.0
29.2
30.0
30.1
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
-124
48.1
51.1
41.9
41.9
42.0
42.4
35.9
35.9
36.0
36.6
30.0
30.1
44
44
44
44
44
00.0
00.0
00.0
00.0
00.0
-125
-125
-125
-124
-124
44
44
44
44
44
44
44
44
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.2
-124
-124
-124
-124
-124
-124
-124
-124
132 1020.5
200
22
86 1019.5
200
24
37 1019.0
225
20
00.0
00.0
00.1
48.0
48.0
933 1016.5
290
20
111 1017.1
290
17
36.0
36.0
24.0
24.0
18.0
18.0
12.0
11.9
153 1018.1
290
12
120 1019.8
300
12
93 1020.5
280
8
53 1021.5
260
5
2237
2252
2252
2345
18
Event
Mocness deployed
Mocness aboard
CTD with biochem, mzp
vertical net tow, 100 m
Mocness deployed
Mocness aboard
CTD with biochem, mzp
vertical net tow, 81 m
Mocness deployed
Mocness aboard
CTD with biochem, mzp
vertical net tow, 32 m
begin transit to HH-5
CTD with biochem, mzp
vertical net tow, 100 m
meter net tow, 60m for L. Feinberg
CTD with biochem, mzp
vertical net tow, 100 m
cleaned Turner fluorometer
CTD with biochem, mzp
vertical net tow, 100 m
CTD with biochem, mzp
vertical net tow, 100 m
CTD with biochem, mzp
vertical net tow, 85m
CTD with biochem, mzp
vertical net tow, 50m
begin transit to Newport
air calibration of transmissometer
shut down ADCP
shut down DAS
shut down flow through system
shut down echosounder
arrive at pier in Newport
Event ID
WE09503.17
WE09503.18
WE09503.19
WE09503.20
WE09503.21
WE09603.1
WE09503.2
WE09503.3
WE09503.4
WE09503.5
WE09503.6
WE09503.7
WE09503.8
WE09503.9
WE09503.10
WE09503.11
WE09503.12
WE09503.13
WE09503.14
WE09503.15
WE09503.17
WE09503.18
WE09503.19
WE09503.20
WE09503.21
Table 4. Names, affiliations, and responsibilities of scientific personnel participating on W0304A.
Adriana Huyer
Chief Scientist
OSU
CTD
Robert L. Smith
Co-Chief Scientist
OSU
CTD
Jane Fleischbein
Technician
OSU
CTD
Joe Jennings
Technician
OSU
CTD, Oxygen
Dale Hubbard
Technician
OSU
CTD
Julie Arrington
Technician
OSU
nuts, chl
Jennifer Jarrell-Wetz
Technician
OSU
nuts, chl
Jennifer Harman
Technician
OSU
nuts, chl
Mike Wetz
Technician
OSU
nuts, chl
Carlos López
Technician
OSU
microzooplankton
Julie Keister
Technician
HMSC
zooplankton
Leah Feinberg
Technician
HMSC
zooplankton
Mitch Vance
Technician
HMSC
zooplankton
Rian Hooff
Technician
HMSC
zooplankton
Linda Fayler
Technician
OSU
martec
Daryl Swensen
Technician
OSU
martec
19
Temperature, 1-6 April 2003
12
Station No.
7
10
0
9
5
6
4
Station No.
39
1
41
44
0
11
10
10
100
9
100
9
8
Pressure (dbars)
8.5
8
200
200
7
7.5
7
300
300
6.5
6
NH
44°39’N
6
400
HH
44°00’N
400
5.5
500
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
28
31
-124.6
26
-124.4
-124.2
-125.4
21
23
32
0
-125
35
-124.8
9
9
100
8.5
-124.4
20
18
15
13
10
10
9
100
8
8
7.5
8
200
200
7.5
7.5
7
-124.2
0
11
10
-124.6
38
0
100
Pressure (dbars)
-125.2
200
7
7
6.5
6.5
300
300
6.5
6
6
6
400
300
400
CR
41°54’N
5.5
400
RR
42°30’N
5.5
500
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
20
FM
43°13’N
5
500
-126
5.5
-124.6
-124.4
500
-125.2
-125
-124.8
Longitude
-124.6
-124.4
Salinity, 1-6 April 2003
Station No.
7
10
12
0
9
5
6
4
32
32.2
46
1
Station No.
39
33
32.2
Pressure (dbars)
33.6
33
100
33.2
33.4
44
32
32.4
100
41
0
31
33.6
33.8
200
200
33.9
34
34
300
300
NH
44°39’N
400
HH
44°00’N
400
34.1
500
500
-126
-125.8
-125.6
-125.4
31
-125.2
-125
28
-124.8
26
0
-124.6
-124.4
23
-124.2
32
21
-125.2
35
-125
-124.8
-124.6
38
-124.4
18
15
0
13
32
32.2 32
32.4
33
33
100
100
33.2
100
33
33.4
33.8
33.8
Pressure (dbars)
-124.2
20
0
32.2
32.4
-125.4
33.9
200
33.9
34
200
33.6
33.8
33.9
200
34
300
300
300
34
400
400
CR
41°54’N
34.1
400
RR
42°30’N
34.1
FM
43°13’N
34.1
500
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
21
-124.6
-124.4
500
-125.2
-125
-124.8
Longitude
-124.6
-124.4
Sigma-theta, 1-6 April 2003
10
12
0
Station No.
7
9
5
6
4
Station No.
39
1
0
24.5
24
25
25.5
100
100
Pressure (dbars)
44
26
25.5
25
26
26.2
200
41
24.5
26.5
26.4
26.5
200
26.6
300
300
NH
44°39’N
26.8
400
HH
44°00’N
400
500
500
-126
-125.8
-125.6
-125.4
-125.2
-125
28
31
-124.8
-124.6
26
-124.4
23
-124.2
-125.4
21
32
0
-125.2
35
-125
-124.8
38
25
100
100
26
Pressure (dbars)
26.5
26.4
200
25
25.5
300
26
26.5
300
26.8
400
CR
41°54’N
500
400
RR
42°30’N
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
22
13
26.6
26.8
400
15
26.5
200
300
26.8
18
25
25.5
26
26.2
100
26.6
26.6
-124.2
0
26.2
200
-124.4
20
0
25.5
-124.6
-124.6
-124.4
500
-125.2
FM
43°13’N
-125
-124.8
Longitude
-124.6
-124.4
Fluorescence Voltage, 1-6 April 2003
Station No.
7
10
12
0
5
6
4
41
44
0
4
2
1
0.5
0.2
100
100
200
200
300
300
NH
44°39’N
400
0.2
HH
44°00’N
400
500
500
-126
-125.8
-125.6
-125.4
31
-125.2
-125
28
-124.8
-124.6
-124.4
23
26
-124.2
-125.4
21
-125.2
35
32
0
-125
-124.8
1
0.5
0.2
20
0.2
200
200
300
300
300
100
400
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
23
13
-124.6
0.2
400
RR
42°30’N
500
-126
15
1 3
200
500
18
0.5
100
CR
41°54’N
-124.2
2
100
400
-124.4
0
1
1
-124.6
38
0
0.5
Pressure (dbars)
Station No.
39
1
2
1
0.5
0.5
Pressure (dbars)
9
-124.4
500
-125.2
FM
43°13’N
-125
-124.8
Longitude
-124.6
-124.4
% Light Transmission, 1-6 April 2003
10
12
Station No.
7
5
9
0
6
4
Station No.
39
1
84
88
41
44
0
82
86
88
88
100
100
88
Pressure (dbars)
88
200
200
300
300
NH
44°39’N
90
400
HH
44°00’N
400
500
500
-126
-125.8
-125.6
-125.4
31
-125.2
-125
-124.8
-124.6
26
28
-124.4
23
-124.2
-125.4
21
32
0
-125.2
35
86
88
-124.8
-124.6
38
0
86
-125
86
-124.4
20
18
15
13
0
82
86
88
100
-124.2
88
100
100
Pressure (dbars)
90
200
200
200
300
300
300
90
90
400
400
CR
41°54’N
500
400
RR
42°30’N
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
24
-124.6
-124.4
500
-125.2
FM
43°13’N
-125
-124.8
Longitude
-124.6
-124.4
Oxygen, 1-6 April 2003
Station No.
7
10
12
0
5
9
6
4
3
3.5
Pressure (dbars)
6
5
100
4
3
2.5
200
44
7
6
5
41
0
7
100
Station No.
39
1
200
2
2
300
300
NH
44°39’N
1.5
400
HH
44°00’N
400
1
500
500
-126
-125.8
-125.6
-125.4
-125.2
31
-125
-124.8
-124.6
26
28
-124.4
23
-124.2
-125.4
21
32
0
-125.2
35
-125
-124.8
-124.6
38
-124.4
20
0
-124.2
18
15
13
0
7
6
5
100
6
100
4
3.5
Pressure (dbars)
6
100
4
4
3
200
200
3
2.5
2.5
200
2
2
300
5
2.5
1.5
300
1.5
3
2
300
1.5
400
400
CR
41°54’N
1
RR
42°30’N
1
500
400
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
25
-124.6
FM
43°13’N
1
-124.4
500
-125.2
-125
-124.8
Longitude
-124.6
-124.4
Geostrophic Velocity 0/500, 1-6 April 2003
12
10
0
Station No.
7
9
6
5
5
-20
4
1
-25
-25
100
Pressure (dbars)
0
-15
-10
0
200
300
-5
NH
44°39’N
400
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
28
31
-124.6
26
-124.4
-124.2
21
23
32
0
38
-10
-10
100
5
-40
-5
18
15
-5
-15
0
5
20
13
0
-70
-10
Pressure (dbars)
35
0
100
-65
0
10
100
-10
-25
5
-15
0
-5
0
200
200
0
200
-5
300
300
300
0
0
0
400
400
CR
41°54’N
0
500
400
RR
42°30’N
500
-126
-125.8
-125.6
-125.4
-125.2
-125
-124.8
-124.6
-124.4
-124.2
Longitude
-125.2
-125
-124.8
Longitude
26
-124.6
-124.4
500
-125.2
FM
43°13’N
-125
-124.8
Longitude
-124.6
-124.4
Drifter data from Apr 2-3 2003 to Apr 8 2003
(dates on land indicate last transmission from failed drifters)
(Courtesy of Jack Barth, Oregon State University)
200
200
2000
200
48
50
Neah
Bay
48
Washington
Grays
Harbor
47
47
Columbia R.
latitude (°N)
46
46
Tillamook Ba
45
45
Newport
44
44
Coos Bay
43
43
Cape Blanco
2000
200
50
-129
-128
-127
-126
longitude (°W)
27
-125
-124
-123
Drifter data from Apr 2-3 2003 to May 11 2003
(dates on land indicate last transmission from failed drifters)
(Courtesy of Jack Barth, Oregon State University)
200
200
2000
200
48
50
Neah
Bay
48
Washington
Grays
Harbor
47
47
Columbia R.
latitude (°N)
46
46
Tillamook Ba
45
45
Newport
44
44
Coos Bay
43
43
Cape Blanco
2000
200
50
-129
-128
-127
-126
longitude (°W)
28
-125
-124
-123
Microzooplankton Sampling
(Submitted by Carlos López and Drs. E. and B. Sherr, Oregon State University)
April, 2003 GLOBEC CRUISE W0304A:
Primary goal: MICROZOOPLANKTON ABUNDANCE, BIOMASS, AND
GENERAL TAXONOMIC COMPOSITION
Table 5: Actual sample depths for collection of microzooplankton samples for bacterial
counts (Flow Cytometry), dinoflagellate counts (Epifluorescence Microscopy), and ciliate
counts (Inverted Scope Microscopy) during W0304A.
Station
NH-01
NH-03
NH-05
NH-10
NH-15
NH-25
NH-35
NH-45
NH-65
NH-85
Sample Collection Depths (m)
2, 16, 21
2, 20, 42
2, 10, 15, 20, 30, 53
5, 22
2, 10, 20, 30, 40, 51, 60, 70
2, 10, 20, 30, 40, 50
1, 10, 21, 30, 40, 50, 70,
2, 10, 20, 30, 40, 50, 70
10, 21, 30, 40, 50, 70, 100
3, 10, 20, 30, 38, 52, 70
FM-1
FM-3
FM-4
FM-5
FM-7
FM-8
FM-9
5, 26
5,25,50
1, 10, 20, 30,40, 60
1, 10, 20, 30, 40, 50, 70
2, 10, 20, 30, 40, 70
2, 10, 20, 30, 40, 50, 70
2, 10, 20, 30, 40, 51, 71
CR-1
CR-2
CR-3
CR-4
CR-5
CR-7
CR-9a
2, 15, 35
1, 20, 48
1, 10, 20, 30, 40, 60
2, 12, 20, 30, 40, 50, 70
1, 10, 20, 30, 40, 50, 70
2, 10, 20, 30, 40, 50, 70
2, 10, 20, 30, 40, 51, 70
29
Table 5 cont.
RR-1
RR-2
RR-3
RR-4
RR-6
RR-7
2, 31
1, 20, 48
1, 10, 26, 41, 60
1, 10, 15, 20, 30, 40, 50
2, 10, 20, 30, 40, 50, 70, 100
2, 10, 20, 30, 40, 51, 71
HH-1
HH-1.5
HH-2
HH-3
HH-4
HH-5
5, 20, 40
5, 25, 60
5, 20, 30, 50
2, 10, 25, 39, 60
5, 20, 40, 60, 70
2, 9, 20, 30, 40, 50, 70, 100
30
April 2003 GLOBEC LTOP Zooplankton Report
(Submitted by Julie Keister and Dr. Wm. Peterson, Oregon State University and NOAA)
MOCNESS DESCRIPTIONS
NH5
55-35 m
20-10 m
10-0 m
NH15
75-50 m
50-35 m
35-20
20-10 m
10-0 m
NH25
250-200
200-150
150-100
100-50
50-35
35-20
20-10
10-0
NH35
350-250
250-200
200-150
150-100
100-50
50-35
35-20
20-10
10-0
NH45
350-250
250-200
200-150
16:16 h (local time)
water depth= 60m
~150 Pleurobrachia, phytoplankton, copepods, euphausiid furcilia
~100 Pleurobrachia, phytoplankton, euphausiid furcilia, copepods
phytoplankton, ~100 Pleurobrachia, copepods, furcilia, chaetognaths
12:19 h
water depth=95m
Siphonophores, copepods, radiolarians
~30 Pleurobrachia, copepods, phytoplankton, amphipods, 1 jelly
~50 Pleurobrachia, copepods, phytoplankton, furcilia, crab megalope
~50 Pleurobrachia, phytoplankton, copepods
~60 Pleurobrachia, phytoplankton, copepods, amphipods
23:30 h
water depth=298m
chaetognaths, copepods, Muggiaea, 2 myctophids, amphipods
Chaetognaths, Muggiaea, Neocalanus
copepods, chaetognaths, 10 adult euphausiids, 1 Sergestid shrimp
~200 adult euphausiids, copepods, 3 fish larvae
~200 adult euphausiids, juvenile euphausiids, copepods
copepods, ~150 adult euphausiids
~1000 adult euphausiids, copepods
50 adult euphausiids, juvenile euphausiids, copeods
01:53 h
water depth=440m
Muggiaea, 3 myctophids, 4 shrimp, chaetognaths
1 Sergestid, copepods, 1 squid
4 squid, 4 Sergestid, chaetognaths, copepods, ~20 adult euphausiids
chaetognaths, 2 shrimp, 2 jellies, ~20 adult euphausiids
adult euphausiids, copepods, 1 fish, 2 fish larvae, 3 shrimp
copepods, ~30 adult euphausiids, 10 Sergestid shrimp
copepods, ~50 adult euphausiids, 3 jellies, 9 Sergestid shrimp, 10 Beroe
~200 adult euphausiids, 3 Pleurobrachia, 3 shrimp, 1 jelly
~200 adult euphausiids, 2 fish larvae, 2 Muggiaea
04:30 h
water depth=690m
Muggiaea, copepods, chaetognaths
copepods, 2 myctophids, 1 Sergestid, 1 adult euphausiid
copeods, Muggiaea, 1 fish larva, 1 shrimp
31
150-100
100-50
50-35
35-20
20-10
10-0
FM3
50-20
20-10
10-0
copepods, Muggiaea, 1 fish larva, ~5 adult euphausiids
Neocalanus, chaetognaths, ~20 adult euphausiids
Neocalanus, crab megalope, ~50 adult euphausiids, 1 fish larva
Neocalanus, crab megalope, euphausiid furcilia, 1 jelly
Neocalanus, chaetognaths, amphipods, ~50 adult euphausiids, 2 fish larvae
~700 adult euphausiids, copepods, chaetognaths, amphipods, juvenile
euphausiids
08:30 h
water depth = 65m
~50 Pleurobrachia, phytoplankton, copepods
phytoplankton, ~30 Pleurobrachia, copepods
phytoplankton, ~20 Pleurobrachia, copepods
FM4
80-50
50-20
20-10
10-0
09:56 h
water depth=90m
~30 Pleurobrachia, Neocalanus, chaetognaths, amphipods, Limacina
copepods, ~25 Pleurobrachia, Limacina, 1 fish larva, 3 octopus
copepods, phytoplankton, 3 crab megalope, amphipods, Muggiaea, furcilia
copepods, ~15 Pleurobrachia, Muggiaea
FM5
160-100
100-50
50-20
20-10
10-0
FM7
310-250
250-200
200-150
150-100
100-50
50-20
20-10
10-0
CR2
60-50
50-20 m
20-10 m
10-0
11:30 h
water depth=160
~250 adult euphausiids, chaetognaths, copepods
Neocalanus, Limacina
~25 Pleurobrachia, Neocalanus, Muggiaea, crab megalope
Neocalanus, ~30Muggiaea, 12 Pleurobrachia, crab megalope
Neocalanus, 5 Pleurobrachia, Muggiaea, amphipods
14:56 h
water depth=347
~20 Shrimp, 5 fish larvae, copepods, chaetognaths
Neocalanus, ~30 adult euphausiids, Muggiaea, chaetognaths
Praya, copepods, ~25 adult euphausiids
Neocalanus, chaetognaths, Muggiaea, Limacina
copepods (Euchirella rostrata), chaetognath, Limacina
Neocalanus, chaetognaths, crab megalope, 3 shrimp
Neocalanus, 2 heteropods, 2 salps
Neocalanus, Limacina, 1 Pleurobrachia
07:12 h (local time)
water depth= 68m
copepods, chaetognaths, 1 Pleurobrachia
copepods, chaetognaths, ~40 Pleurobrachia, Limacina, crab megalope
copepods, ~15 Pleurobrachia, chaetognaths
phytoplankton, copepods
32
CR3
130-100
100-50 m
50-20 m
20-10 m
10-0 m
CR4
350-300
300-250
250-200
200-150
150-100
100-50
50-20
20-10
10-0
CR6
350-300
300-250
250-200
200-150
150-100
100-50
50-20
20-10
10-0
RR4
350-300
300-250
250-200
200-150
150-100
100-50
08:55 h
water depth=140m
~1000 adult euphausiids, copepods, juvenile euphausiids, chaetognaths
~600 adult euphausiids, copepods, 8 Pleurobrachia, 1 fish larva
copepods, adult euphausiids, ~20 Pleurobrachia, amphipods
copepods, 5 crab megalope, 1 Beroe
copepods, eggs, chaetognaths, 5 crab megalope
10:45 h
water depth=508m
2 Shrimp, chaetognaths, jellies, copepods
6 shrimp, adult euphausiids, copepods, chaetognaths
jellies, Muggiaea, ~100 adult euphausiids, Neocalanus, chaetognaths
~75 adult euphausiids, Neocalanus, Siphonophores, Muggiaea,
amphipods, crab megalope
~100 adult euphausiids, Neocalanus, chaetognaths
8 squid, chaetognaths, copepods, pteropods
Doliolids, 3 octopus, amphipods, chaetognaths
Doliolids, 2 heteropods, juvy euphausiids, chaetognaths, copepods, 2 crab
megalope, amphipods
Doliolids, copepods, ~20 crab megalope, myctophids, Pleurobrachia
14:52 h
water depth=706m
chaetognaths, 5 myctophids, amphipods, 4 Sergestid shrimp, 1 jelly
Muggiaea, Neocalanus, jellies, shrimp
25 adult euphausiids, chaetognaths, copepods
Neocalanus, copepods, Muggiaea, chaetognaths
Neocalanus, copepods, chaetognaths, amphipods, Limacina, 4 adult
euphausiids
chaetognaths, copepods, Limacina, 3 fish larvae
crab megalope, jellies, 5 fish larvae
Neocalanus, amphipods, crab megalope, 2 Pleurobrachia
Neocalanus, 3 Corolla, amphipods, 3 Beroe
13:09 h
water depth=564m
7 shrimp, copepods, Doliolids, chaetognaths
~200 adult euphausiids, copepods, Doliolids, 1 shrimp
adult euphausiids, copepods, 2 Pleurobrachia, 4 shrimp
~200 adult euphausiids, copepods, chaetognaths
Neocalanus, copepods, chaetognaths, 1 salp, 10 juvenile euphausiids
copepods, chaetognaths, radiolarians, 5 squid, amphipods, Limacina
33
50-20
20-10
10-0
Doliolids, copepods, chaetognaths, 10 Pleurobrachia, 5 salps
3 heterpods, copepods, adult euphausiids, Doliolids, 4 fish larvae
Neocalanus, 2 Beroe, chaetognaths, Pleurobrachia, fish larvae
RR3
110-100
100-50
50-20
20-10
10-0
RR2
80-50
50-20
20-10
10-0
15:30 h
water depth=130m
11 adult euphausiids, chaetognaths, copepods, 1 squid
chaetognaths, copepods, octopus, squid, jellies
chaetognaths, copepods
jellies, 10 adult euphausiids, 2 crab megalope
Neocalanus, other copepods, 4 Pleurobrachia, 1 Vellella
17:10
water depth=85m
copepods, chaetognaths, 4 adult euphausiids
copepods, 15 Pleurobrachia, 1 Muggiaea
30 Pleurobrachia, copepods
Pleurobrachia, copepods, crab megalope, Beroe
HH2
110-100
100-50
50-20
20-10
10-0
09:35 h
water depth=120m
copepods, chaetognaths
~40 Pleurobrachia, copepods, euphausiid furcilia
Pleurobrachia, euphausiid furcilia, copepods, amphipods
jellies, Pleurobrachia, copepods, amphipods, 1 fish larva
copepods, jellies, Pleurobrachia, amphipods
Other zooplankton sampling:
Vertical tows (0.5m diameter, 200µm mesh) from 100 meters (or from just above bottom)
to surface were completed at stations NH1, 5,10,15,20,25,35,45,55, and 65;
CR1,2,3,4,6,7,9,and 11; RR7,6,4,3,2,and 1, FM1,3,4,5,7,8,and 9; and HH1 and 2.
Replicates for EtOH preservation were taken at NH5, NH65, CR2, and CR9.
Euphausiids from station CR3 were incubated for molting rate experiments.
34