CRUISE REPORT S-205 SCIENTIFIC ACTIVITIES UNDERTAKEN ABOARD THE SSV ROBERT C… · 2013. 5. 16. · Data Description. This report contains a record of data collected during cruise

CRUISE REPORT

S-205

SCIENTIFIC ACTIVITIES UNDERTAKEN ABOARD THE

SSV ROBERT C. SEAMANS

Oahu, HI – Tahsis, British Columbia – Seattle, WA

7 May, 2006 – 13 June, 2006

Photo by Whitley Saumweber

Sea Education Association (SEA)

Woods Hole, Massachusetts

To obtain unpublished data, contact the SEA data archivist: Erik Zettler, Science Coordinator Sea Education Association PO Box 6 Woods Hole, MA 02543 (508) 540-3954 phone (800) 552-3633 phone (508) 457-4673 fax [email protected] email www.sea.edu website

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Table of Contents Ship’s Company 4 Data Description 5

Cruise Track 6 Table 1. Student Research Topics 7 S-N Hydrographic Sections 8 E-W Hydrographic Sections 9 Table 2. Oceanographic Station Locations 10 Table 3. Surface Station Locations and Data 15 Table 4. Hydrocast Bottle Data Summary 18 Table 5. Neuston Tow Data Summary 21

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Ship’s Company of the SSV Robert C. Seamans, S-205 Scientific Staff

Whitley Saumweber Chief Scientist Mary Engels First Assist Scientist Charlie Soucheray Second Assistant Scientist Tammie Visintainer Third Assistant Scientist Austen Thomas Lab Hand

Nautical Staff Steve Tarrant Captain Chris Havard Chief Mate Jed Deering Second Mate Johnny O’Keefe Third Mate Ted Ferguson Chief Engineer Steve Wojcikiewich Assistant Engineer Sarah Austin Steward Krista Tyburski Deckhand Rachel Reynolds Deckhand Roman Schor Deckhand Nicole Scesny Deckhand Students Katie Brothers Carelton University Heather Rosenfeld University of Chicago Sarah Felder Hamilton College David Hoke Villanova University Renee Reilly Pennsylvania State University Nick Kelly Colorado College John Pennington California State University Marie McLane Smith College Bobby Thompson University of Denver Robert Whitlock Evergreen State College Yana Thacker Drexel University

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Data Description

This report contains a record of data collected during cruise S-205 aboard the SSV Robert C. Seamans in May and June 2006. This cruise represented the second phase of SEA’s Sea Semester program in which undergraduate students are given the opportunity to conduct research in a practical laboratory environment while at sea. Each student in class S-205 took part in designing an individual research project that helped to define our sampling program. Our cruise track (Fig. 1) transected the Northeast Pacific between Hawaii and Seattle, WA and, in the process, crossed several major oceanographic provinces and boundaries including: the Subtropical Convergence Zone, the West Wind Drift, the Subarctic Transition Zone, the Gulf of Alaska, and the Alaskan Current. Student projects focused on observing changes in the physics, chemistry, and biology of the Pacific across these regions (Table 1).

Samples and data were collected from 85 oceanographic deployments at 54 discrete stations over the course of the cruise. We also continuously sampled for water depth, sub-bottom acoustic profiles, acoustic doppler current profiles (ADCP), and flow-through sea surface temperature, salinity and in-vivo fluorescence data. The bulk of the sampling was done during the first and longest leg of the trip which took us from Oahu, HI to the small town of Tahsis on the northwest coast of Vancouver Is. During the first half of this leg we sailed mostly north or northeast before making a more easterly course change at approximately 43º North latitude. The physical properties of the water column are summarized in two hydrographic sections (Figs. 2-3) that show the S-N and E-W sections of this leg respectively. All oceanographic station locations are given in Table 2. The chemical properties of the surface water along our cruise track are summarized in Table 3 and the chemical properties of the water column in Table 4. Zooplankton data from our surface Neuston Net tows are summarized in Table 5. The extended CTD, CHIRP, ADCP and flow-through data are not reported here but all unpublished data can be made available by arrangement with the SEA archivist upon request (contact information, p.2). The information contained in this report is not intended to represent final interpretation of the data and should not be excerpted or cited without written permission from SEA. Finally, I would like to extend a very heartfelt thanks to the students and crew of S-205 for making this such a successful and rewarding trip. It was truly a pleasure to sail with all of you. Whitley Saumweber Chief Scientist S-205

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Figure 1. Cruise track of S-205 showing hourly positions from 7 May, 2006 – 11 June, 2006.

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Table 1. Student Research Topics

TITLE AUTHOR(s) Geostrophic current analysis in the Northern Pacific and the effects of the Pacific Decadal Oscillation

Katie Brothers and Heather Rosenfeld

Heterotrophic bacterial population variation from the Northern Pacific Subtropical Gyre to the Gulf of Alaska

Sarah E. Felder

The distribution of Thecosomatus Pteropods throughout the North Pacific Ocean

David Hoke and Renee Reilly

Assessing the accuracy of current North Pacific Intermediate Water Models

Nicholas S. Kelley

Plankton Biomass Variation along a semi-longitudinal transect of the North Pacific Subtropical Gyre and the Alaskan Current

John Pennington and Marie McLane

Investigating the horizontal abundance of phycoerythrin containing cyanobacteria in the euphotic zone of the North Pacific Ocean

Yana Thacker

Biometrics of Tarletonbeania taylori in the Eastern North Pacific

Bobby Thompson

Plastic distribution and surface currents in the Northeast Pacific Ocean

Robert Whitlock

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Figure 2. Physical properties and fluorescence of the water column along the cruise track of S-205 between 21º 12’ and 43º 29’ North latitude. Stations included in this transect are shown in the figure to the lower left.

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Figure 3. Physical properties and fluorescence of the water column along the cruise track of S-205 between 152º 54’ and 126º 27’ West longitude. Stations included in this transect are shown in the figure to the lower left.

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Table 2. Oceanographic station locations for all Hydrocasts, Meternets, Phytoplankton Nets, CTDs, Neuston Nets, and Gravity Cores.

Alaskan Current127°58.6'48°53.2'25283084.19:5031-May-06S205-042-HC

Gulf of Alaska147°35.3'45°0.5'49972101.68:2524-May-06S205-029-HC

North Pacific Transition Zone152°48.2'41°0.1'37481616.210:1920-May-06S205-024-HC

North Pacific156°20.9'35°30.0'42881226.29:1018-May-06S205-019-HC

Subtropical Convergence Zone161°15.6'30°52.9'4237721.914:5514-May-06S205-012-HC

Subtropical Pacific159°0.1'26°17.4'2523390.00:3012-May-06S205-007-HC


2 nm S of Oahu, HI158°9.1'21°11.8'109210.715:438-May-06S205-001-HC

LocaleLon. (W)Lat. (N)Depth (m)

Log (nm)TimeDateStation

HYDROCASTS

Alaskan Current127°58.6'48°53.2'25283084.19:5031-May-06S205-042-HC

Gulf of Alaska147°35.3'45°0.5'49972101.68:2524-May-06S205-029-HC

North Pacific Transition Zone152°48.2'41°0.1'37481616.210:1920-May-06S205-024-HC

North Pacific156°20.9'35°30.0'42881226.29:1018-May-06S205-019-HC

Subtropical Convergence Zone161°15.6'30°52.9'4237721.914:5514-May-06S205-012-HC



2 nm S of Oahu, HI158°9.1'21°11.8'109210.715:438-May-06S205-001-HC



HYDROCASTS

METER NET TOWS



Gulf of Alaska133°25.6'47°52.5'35822838.010:5229-May-06S205-038-MN


North Pacific Transition Zone152°46.4'41°0.8'36701616.511:1720-May-06S205-024-MN

N of STCZ159°52.8'32°50.7'4271919.19:2716-May-06S205-015-MN

Subtropical Pacific159°21.5'27°43.4'3806486.319:2212-May-06S205-009-MN

8.2 nm NW of Oahu, Hawaii158°32.8'21°40.7'70147.110:579-May-06S205-002-MN

METER NET TOWS





North Pacific Transition Zone152°46.4'41°0.8'36701616.511:1720-May-06S205-024-MN

N of STCZ159°52.8'32°50.7'4271919.19:2716-May-06S205-015-MN

Subtropical Pacific159°21.5'27°43.4'3806486.319:2212-May-06S205-009-MN

8.2 nm NW of Oahu, Hawaii158°32.8'21°40.7'70147.110:579-May-06S205-002-MN

PHYTO. NET TOWS



Tahsis Inlet, Vancouver Is.126°34.6'49°40.8'014:121-Jun-06S205-047-PN

Subtropical Pacific158°57.8'25°3.3'0302.610:1111-May-06S205-006-PN

2 nm S. of Oahu, HI158°9.1'21°11.8'011.715:138-May-06S205-001-PN

PHYTO. NET TOWS



Tahsis Inlet, Vancouver Is.126°34.6'49°40.8'014:121-Jun-06S205-047-PN

Subtropical Pacific158°57.8'25°3.3'0302.610:1111-May-06S205-006-PN

2 nm S. of Oahu, HI158°9.1'21°11.8'011.715:138-May-06S205-001-PN

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CTDs

Gulf of Alaska136°44.4'47°35.1'40902684.29:2128-May-06S205-036-CTD







North PacifcTransistion Zone152°59.9'39°34.6'1522.822:0019-May-06S205-022-CTD


North Pacifc155°9.7'37°8.6'436623:4718-May-06S205-020-CTD

North Pacifc157°0.8'34°28.7'43281142.023:5017-May-06S205-018-CTD


N of STCZ158°34.1'32°52.7'4350987.60:2517-May-06S205-016-CTD

N of STCZ159°52.8'32°50.7'4202918.58:3716-May-06S205-015-CTD

Subtropical Convergence Zone160°58.7'32°39.2'4304855.813:4515-May-06S205-014-CTD



Subtropical Pacific159°6.9'27°16.7'1595452.111:3612-May-06S205-008-CTD




9.2 nm NW of Oahu, HI158°21.9'21°41.2'74146.710:129-May-06S205-002-CTD



CTDs










North Pacifc155°9.7'37°8.6'436623:4718-May-06S205-020-CTD



N of STCZ158°34.1'32°52.7'4350987.60:2517-May-06S205-016-CTD

N of STCZ159°52.8'32°50.7'4202918.58:3716-May-06S205-015-CTD








9.2 nm NW of Oahu, HI158°21.9'21°41.2'74146.710:129-May-06S205-002-CTD



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CTDsContnued



Heck Seamount, Gulf of Alaska129°37.0'48°30.0'14933350.023:156-Jun-06S205-054-CTD

Alaskan Current129°12.1'48°48.3'27153221.015:096-Jun-06S205-053-CTD

32nm SW of Nootka Sound127°27.8'49°26.2'13163231.60:046-Jun-06S205-051-CTD

Esperanza Inlet, Vancouver Is., BC127°17.4'49°34.4'2503220.021:185-Jun-06S205-050-CTD


Tahsis Inlet, Vancouver Is.126°34.6'49°40.8'194na14:121-Jun-06S205-047-CTD

Nootka Sound, Vancouver Is.126°34.9'49°35.7'87na12:431-Jun-06S205-046-CTD

Nootka Sound, Vancouver Is.126°27.349°39.0'125na11:161-Jun-06S205-045-CTD






CTDsContnued



Heck Seamount, Gulf of Alaska129°37.0'48°30.0'14933350.023:156-Jun-06S205-054-CTD

Alaskan Current129°12.1'48°48.3'27153221.015:096-Jun-06S205-053-CTD

32nm SW of Nootka Sound127°27.8'49°26.2'13163231.60:046-Jun-06S205-051-CTD



Tahsis Inlet, Vancouver Is.126°34.6'49°40.8'194na14:121-Jun-06S205-047-CTD


Nootka Sound, Vancouver Is.126°27.349°39.0'125na11:161-Jun-06S205-045-CTD






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Gulf of Alaska147°5.6'46°35.3'0093623:4324-May-06S205-030-NT



North Pacific Transition Zone152°52.0'42°14.7'0191211:4720-May-06S205-025-NT



North Pacific155°10.1'37°9.0'002240:2919-May-06S205-020-NT




of STCZ158°33.4'32°51.7'004481:2017-May-06S205-016-NT

Subtropical Convergence Zone161°30.9'31°26.0'016480:1415-May-06S205-013-NT



Subtropical Pacific159°8.0'27°16.3'0071212:3312-May-06S205-008-NT





North of Oahu, HI158°36.0'22°38.7'014240:2710-May-06S205-003-NT



NEUSTON NET TOWS











of STCZ158°33.4'32°51.7'004481:2017-May-06S205-016-NT









North of Oahu, HI158°36.0'22°38.7'014240:2710-May-06S205-003-NT



NEUSTON NET TOWS

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NEUSTON TOWS

CONT’D

Heck Seamount, Gulf of Alaska129°36.0'48°30.2'000000:267-Jun-06S205-054-NT

Alaskan Current129°9.6'48°47.1'0000018:326-Jun-06S205-053-NT


32 nm SxW of Nootka Sound127°27.8'49°26.2'014240:536-Jun-06S205-051-NT

Esperanza Inlet, Vancouver Is.127°3.5'49°45.1'0071218:005-Jun-06S205-049-NT










NEUSTON TOWS

CONT’D

Heck Seamount, Gulf of Alaska129°36.0'48°30.2'000000:267-Jun-06S205-054-NT



32 nm SxW of Nootka Sound127°27.8'49°26.2'014240:536-Jun-06S205-051-NT

Esperanza Inlet, Vancouver Is.127°3.5'49°45.1'0071218:005-Jun-06S205-049-NT








Esperanza Inlet, Vancouver Is.126°54.1'49°51.4'2043194.615:205-Jun-06S205-048-GC



GRAVITY CORES

Esperanza Inlet, Vancouver Is.126°54.1'49°51.4'2043194.615:205-Jun-06S205-048-GC



GRAVITY CORES

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Table 3. Surface Station Locations and Data. Blank spaces indicate that the data is unavailable.

Station Date Time Log (nm) Lat. (N) Lon. (W) Temp.

(C) Salinity

(psu) PO4

- (uM)

SiO2 (uM)

Chl-a (ug/l)

NO3-

(uM)

SS-001 9-May-06 10:57 47.1 21°40.7' 158°22.2' 24.8 34.80 0.196 1.803 0.055 0.567

SS-002 10-May-06 3:20 140.7 22°46.9' 158°38.2' 23.6 35.14 0.383 2.409 0.025 0.097

SS-003 10-May-06 11:15 182.9 23°22.0' 158°45.1' 23.8 35.15 0.196 2.995 0.053 0.098

SS-004 11-May-06 1:19 24°21.2' 158°52.7' 23.7 35.14 0.359 1.976 0.053 0.087

SS-005 12-May-06 11:36 452.1 27°16.7' 159°6.9' 23.2 35.20 0.206 1.650 0.064 0.152

SS-006 12-May-06 20:40 489.8 27°42.5' 159°20.4' 23.5 35.22 0.024 0.027

SS-007 13-May-06 11:30 577.1 28°58.0' 160°6.2' 21.7 35.17 0.053 0.047 0.092

SS-008 14-May-06 0:00 660.3 29°50.6' 160°50.7' 20.9 35.09 0.115 0.047

SS-009 15-May-06 0:22 763.7 31°25.9' 161°30.7' 19.3 34.81 0.101 1.871 0.062 0.070

SS-010 15-May-06 11:00 840.3 32°30.7' 161°10.3' 18.2 34.63 0.172 0.045 0.083

SS-011 15-May-06 13:55 856.0 32°39.0' 160°58.5' 18.4 34.66 0.364 0.025

SS-012 15-May-06 22:00 887.5 32°49.7' 160°26.6' 17.6 34.53 0.062 0.000

SS-013 16-May-06 1:00 896.5 32°50.4' 160°17.8' 17.1 34.48 0.110 0.060

SS-014 16-May-06 9:27 917.1 32°50.7' 159°52.8' 17.4 34.50 0.306 0.066

SS-015 17-May-06 1:30 988.2 32°51.7' 158°34.1' 17.9 34.74 0.067 4.409 0.073 0.111

SS-016 17-May-06 9:10 1027.8 32°55.3' 157°51.5' 17.8 34.73 0.421 3.409 0.097

SS-017 18-May-06 0:10 1142.0 32°28.7' 157°0.8' 15.6 34.20 0.120 3.649 0.000 0.308

SS-018 18-May-06 23:52 37°8.6' 155°9.7' 14.2 33.85 0.540 2.890 0.075 0.034

SS-019 19-May-06 9:55 1414.2 38°9.3' 154°17.2' 14.2 33.77 0.430 2.659 0.099 0.000

SS-020 19-May-06 23:20 1529.5 39°39.1' 152°54.9' 13.7 33.47 0.215 1.880 0.258 0.060

SS-021 20-May-06 21:00 1678.0 41°58.8' 152°53.9' 11.6 33.30 0.622 2.284 0.101

SS-022 20-May-06 23:40 1697.8 42°14.7' 152°52.0' 10.6 33.07 1.085 3.515 0.172

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Surface Station Data Continued


(C) Salinity

(psu) PO4

- (uM)

SiO2 (uM)

Chl-a (ug/l)

NO3-

(uM)

SS-023 21-May-06 11:00 1763.9 43°11.1' 152°20.4' 9.0 32.90 0.316 6.562 0.153 1.237

SS-024 21-May-06 14:10 1787.9 43°28.7' 151°59.4' 9.4 33.02 1.124 0.048

SS-025 21-May-06 17:08 1807.2 43°36.9' 151°38.3' 9.3 33.01 0.899 3.957 0.035 4.100

SS-026 21-May-06 20:00 1821.0 43°36.2' 151°20.6' 9.0 33.94 1.296 0.184

SS-027 21-May-06 23:00 43°34.6' 151°3.1' 8.7 32.96 1.645 0.198

SS-028 22-May-06 2:00 1843.0 43°28.4' 151°7.7' 9.0 32.95 0.708 0.179

SS-029 22-May-06 5:00 1857.0 43°19.1' 151°21.5' 8.9 32.90 0.751 0.242

SS-030 22-May-06 8:00 1868.7 43°6.9' 151°38.5' 9.0 33.01 1.133 0.260

SS-031 22-May-06 10:15 1877.5 43°3.9' 151°40.3' 9.0 32.99 1.190 6.168 0.389 4.392

SS-032 22-May-06 13:45 1877.8 42°58.8' 151°33.1' 9.0 32.93 1.367 0.228

SS-033 22-May-06 16:00 1883.0 42°58.8' 151°27.6' 9.0 32.93 1.014 0.251

SS-034 22-May-06 19:28 1901.9 42°10.7' 151°6.5' 8.9 32.97 1.214 0.300

SS-035 22-May-06 23:00 1923.5 43°21.7' 150°43.5' 8.6 33.00 1.190 7.456 0.216 4.949

SS-036 23-May-06 10:00 2001.7 43°48.9' 149°8.4' 8.7 32.90 1.066 0.269

SS-037 23-May-06 23:50 2054.9 44°23.0' 148°14.7' 8.4 32.80 1.324 6.139 0.470 5.320

SS-038 24-May-06 23:43 2205.4 46°35.3' 147°5.6' 7.5 32.74 0.985 0.135 4.128

SS-039 25-May-06 8:30 2253.4 47°11.3' 146°23.1' 0.184

SS-040 25-May-06 23:47 2341.5 47°51.1' 144°45.4' 8.1 32.68 0.261

SS-041 27-May-06 0:36 2455.6 48°9.7' 141°54.4' 8.8 32.67 1.315 11.003 0.137 5.303

SS-042 27-May-06 11:25 2528.4 48°18.7' 140°7.1' 8.7 32.61 1.348 6.821 0.186 6.759

SS-043 27-May-06 23:39 2601.8 48°5.1' 138°29.7' 8.8 32.60 1.339 8.177 0.114 6.135

SS-044 29-May-06 0:24 2776.4 47°50.9' 134°38.3' 9.9 32.49 1.138 4.457 0.190 3.245

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Surface Station Data Continued


(C) Salinity

(psu) PO4

- (uM)

SiO2 (uM)

Chl-a (ug/l)

NO3-

(uM)

SS-045 29-May-06 11:00 2838.0 47°52.5' 133°25.6' 9.9 32.50 1.090 0.221

SS-046 30-May-06 0:05 2912.5 47°58.9' 131°43.6' 10.5 32.50 5.716 0.118 4.595

SS-047 30-May-06 16:20 3001.6 48°18.8' 129°40.5' 11.1 32.40 1.186 7.235 0.174 3.830

SS-048 31-May-06 0:40 3036.0 48°31.1' 128°55.8' 11.3 32.41 1.100 9.744 0.167

SS-049 1-Jun-06 13:00 49°35.7' 126°34.9' 13.3 29.59 0.775 0.367

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Table 4. Hydrocast Data. Blank spaces indicate that the data is unavailable.

HC Station

Bottle #

Depth (m)

Temp (C)

Salinity (psu)

Sigma-Theta

(kg/m3)

O2 (ml/L)

PO4-

(uM) SiO2 (uM)

NO3-

(uM) Chl-a (ug/l)

Bacterial Abn.

(Cells/ml) S205-001 13 0.0 25.4 34.76 0.407 2.899 0.311 0.011 6.89E+05

12 14.5 25.0 34.76 23.17 4.92 0.392 0.011 5.83E+05 11 29.8 24.8 34.84 23.28 4.95 0.411 0.015 5.63E+05 10 45.0 24.7 34.84 23.30 4.90 0.512 0.041 7.26E+05 9 63.8 23.8 35.07 23.76 5.00 0.344 0.062 7.76E+05 8 79.3 23.2 35.15 23.99 5.15 0.144 0.14 7.48E+05 7 99.4 22.6 35.13 24.16 4.98 0.134 0.302 6.30E+05 6 2.72E+05 5 247.5 14.1 34.41 25.71 4.72 0.684 2.00E+05 4 298.3 12.4 34.26 25.95 4.69 1.262 3.22E+05 3 347.1 11.0 34.18 26.15 4.55 1.582 4.69E+04 2 397.6 9.7 34.15 26.35 4.30 1.836 2.81E+04 1 497.2 7.1 34.16 26.75 4.22 2.878

S205-006 13 0.0 0.325 1.832 0.399 0.027

S205-007 13 0.0 23.7 35.20 0.344 2.399 0.440 0.042 1.23E+05

12 23.0 23.3 35.20 24.00 3.96 0.402 0.065 3.30E+05 11 49.0 23.0 35.25 24.14 4.82 0.359 0.091 1.10E+05 10 74.0 21.4 35.21 24.50 4.80 0.359 0.224 1.57E+05 9 100.0 20.4 35.09 24.73 5.05 0.349 0.238 5.40E+05 8 119.0 19.4 34.98 24.91 5.06 0.368 0.133 2.88E+05 7 149.0 17.5 34.80 25.24 5.00 0.569 0.119 6.16E+05 6 199.0 15.3 34.63 25.62 4.93 0.803 2.71E+05 5 248.0 14.2 34.49 25.77 4.96 0.913 2.05E+05 4 299.0 12.8 34.38 25.95 5.36 1.119 1.39E+05 3 346.0 11.3 34.22 26.12 5.34 1.415 8.86E+04 2 397.0 10.4 34.19 26.26 5.31 1.520 1.62E+05 1 496.0 8.2 34.09 26.53 5.26 2.151

S205-012 13 0.0 19.6 34.88 0.340 3.524 0.135 0.033

12 30.1 19.2 34.87 24.90 5.61 0.416 0.049 11 59.5 17.0 34.65 25.20 6.01 0.105 0.087 10 88.8 15.3 34.48 25.50 5.98 0.550 0.342 9 119.6 14.6 34.44 25.60 5.57 0.689 0.169 8 7 6 248.2 12.4 34.39 26.00 5.44 1.128 5 297.5 11.7 34.32 26.10 5.44 1.190 4 348.2 11.0 34.26 26.20 5.41 1.305 3 396.6 10.3 34.21 26.30 5.15 1.463 2 496.2 8.2 34.07 26.50 4.26 2.046

18

Hydrocast Data Continued

HC Station

Bottle #

Depth (m)

Temp (C)

Salinity (psu)

Sigma-Theta

(kg/m3)

O2 (ml/l)

PO4 (uM)

SiO2 (uM)

NO3 (uM)

Chl-a (ug/l)

Bacterial Abn.

(Cells/ml) S205-012 1 595.6 6.2 34.02 26.80 3.05 2.792

S205-019 13 0.0 15.9 34.28 0.507 3.303 0.137 0.096 5.56E+05

12 11 39.0 15.2 34.26 25.36 6.11 0.607 0.112 5.74E+05 10 59.0 15.1 34.25 25.37 6.13 0.521 0.122 7.47E+05 9 78.0 14.4 34.29 25.56 6.26 0.612 0.314 1.12E+06 8 100.0 13.7 34.19 25.62 6.00 0.268 0.265 5.47E+05 7 118.0 13.4 34.19 25.70 5.85 0.368 0.083 1.50E+05 6 199.0 11.8 34.27 26.06 5.36 1.133 5 248.0 11.1 34.23 26.16 5.27 1.100 1.55E+05 4 297.0 10.4 34.19 26.25 5.13 1.406 8.45E+04 3 397.0 8.9 34.09 26.44 4.58 1.673 2 496.0 7.0 34.01 26.64 3.89 2.190 3.16E+04 1 546.0 6.2 34.00 26.73 3.34 2.639 1.31E+05

S205-024 13 0.0 0.746 0.002 0.011

12 11 15.0 10.7 33.19 25.40 6.63 0.712 0.147 10 29.9 10.8 33.27 25.50 6.69 0.971 0.185 9 44.6 9.8 33.19 25.60 6.58 0.942 0.123 8 59.5 9.2 33.09 25.60 6.65 0.951 0.046 7 79.8 9.2 33.21 25.70 6.40 0.693 0.033 6 99.3 9.4 33.32 25.70 6.26 1.119 0.035 5 149.3 9.3 33.49 25.90 5.42 1.200 4 198.9 9.2 33.94 26.30 4.90 1.525 3 298.0 7.8 33.97 26.50 3.98 2.624 2 397.4 6.6 33.94 26.60 3.43 2.338 1 496.5 5.5 33.97 26.80 4.19 2.534

S205-029 13 0.0 1.539 12.858 5.011 0.1582

12 19.1 8.2 32.80 25.51 7.04 1.664 0.12768 6.50E+05 11 39.2 8.2 32.80 25.51 7.02 2.309 0.15848 9.29E+05 10 58.2 8.1 32.83 25.55 7.00 1.396 0.2002 6.32E+05 9 79.1 7.6 32.84 25.63 6.68 1.267 0.04872 3.26E+05 8 99.6 7.4 32.86 26.68 6.83 1.716 0.06496 3.70E+05 7 149.1 7.3 33.65 26.32 5.96 1.654 1.37E+05 6 199.2 7.1 33.79 26.46 5.34 1.927 5 248.4 6.4 33.87 26.61 4.63 2.175 1.19E+05 4 297.7 5.8 33.86 26.69 4.12 2.424 4.57E+04 3 347.0 5.4 33.90 26.76 3.33 2.763 9.68E+04 2 397.8 4.9 33.94 26.84 3.01 2.887 2.44E+05 1 495.9 4.4 34.02 26.97 1.71 2.744 1.00E+05

19

Hydrocast Data Continued

HC Station

Bottle #

Depth (m)

Temp (C)

Salinity (psu)

Sigma-Theta

(kg/m3)

O2 (ml/l)

PO4 (uM)

SiO2 (uM)

NO3 (uM)

Chl-a (ug/l)

Bacterial Abn.

(Cells/ml) S205-036 13 0.0 9.6 32.55 1.472 5.084 0.3108 6.84E+05

12 20.7 9.2 32.54 25.16 5.23 1.544 0.28896 2.45E+06 11 39.8 9.0 32.58 25.23 5.57 2.170 0.27692 1.65E+06 10 60.3 7.8 32.59 25.42 6.36 0.975 0.20076 5.63E+05 9 79.9 7.3 32.61 25.50 5.49 1.559 0.14252 3.50E+05 8 99.3 6.9 32.65 25.59 6.51 2.328 0.05264 5.22E+05 7 124.9 6.5 33.09 25.98 5.98 1.755 0.0056 2.58E+05 6 149.9 6.3 33.50 26.34 5.52 2.299 4.34E+05 5 199.4 6.2 33.75 26.54 4.98 2.448 3.07E+05 4 200.5 6.2 33.75 26.54 4.98 2.089 3.47E+05 3 300.4 5.3 33.85 26.74 3.28 3.131 1.94E+05 2 397.1 4.7 33.94 26.88 2.11 3.260 1.83E+05 1 496.3 4.2 34.02 26.99 1.53 3.447 1.70E+05

S205-042 13 0.0 12.1 32.12 1.028 0.175 1.0304 1.76E+06

12 19.6 11.5 31.99 24.34 5.28 0.889 1.1032 1.69E+06 11 39.7 9.3 32.41 25.05 6.75 1.625 0.18284 7.38E+05 10 59.7 8.9 32.44 25.13 5.17 1.798 0.05628 5.11E+05 9 79.1 8.4 33.62 25.30 5.90 1.616 0.13412 5.36E+05 8 99.5 8.3 33.42 25.99 3.82 2.405 0.014 3.85E+05 7 124.4 8.0 33.67 26.23 2.74 1.860 0.0028 3.83E+05 6 148.7 7.8 33.80 26.37 2.70 2.672 1.86E+05 5 198.5 6.6 33.88 26.59 3.34 2.883 2.41E+05 4 249.0 6.4 33.95 26.67 3.39 3.566 2.60E+05 3 298.0 6.1 33.97 26.73 2.12 3.327 1.82E+05 2 397.1 5.4 34.03 26.86 1.26 3.647 3.49E+05 1 496.2 4.9 34.08 26.96 0.92 3.212 1.63E+05

20

21

Table 5. Neuston Tow Data

Station Temp (C)

Salinity (PSU)

Zoopl. Biovol. (mL)

Zoopl. Density (mL/m2)

Plastic Pieces (#)

Plastic Pellets (#)

Halobates (#)

Myctophids (#)

S205-003 23.6 35.1 28 0.0168 10 0 10 2 S205-004 23.8 35.15 11 0.0148 3 0 3 0 S205-005 23.7 35.14 6 0.0025 6 1 6 2 S205-006 23.7 35.18 6 0.0035 4 0 0 0 S205-007 23.7 35.2 15 0.0081 6 0 17 1 S205-008 23.2 35.2 7 0.0038 5 2 10 0 S205-010 21.7 35.17 6 0.0046 52 0 1 0 S205-012 19.6 34.88 3 0.0018 8 0 6 0 S205-013 19.3 34.81 26 0.0468 16 1 3 0 S205-016 17.9 34.74 20 0.0103 16 0 3 4 S205-017 17.8 34.7 11 0.0076 75 4 0 0 S205-018 15.5 34.2 392 0.3528 18 0 0 0 S205-019 15.8 34.3 1470 0.7937 63 0 0 0 S205-020 14.2 33.9 4850 2.6188 17 0 0 0 S205-021 14.2 33.77 105 0.0567 44 0 0 0 S205-023 13.6 33.51 1 0.0005 47 0 0 1 S205-025 10.6 33.04 51 0.0324 2 0 0 6 S205-026 9 32.99 20 0.0213* 0 0 0 0 S205-028 8.4 32.8 140 0.0945 0 0 0 25 S205-030 7.5 32.74 150 0.0810 0 0 0 30 S205-032 8.12 32.68 81 0.0547 1 0 0 55 S205-033 8.8 32.67 57 0.0308 0 0 0 17 S205-034 8.7 32.6 8 0.0058 0 0 0 0 S205-035 8.8 32.6 82 0.0492 2 0 0 80 S205-037 9.9 32.48 4 0.0022 0 0 0 33 S205-039 10.5 32.47 34 0.0918 1 0 0 42 S205-041 11.3 32.42 230 0.2484 0 0 0 58 S205-049 13.8 30.4 128 0.0987 0 0 0 0 S205-051 13.2 31.5 230 0.1552 0 0 0 50+ S205-052 12.8 32.06 110 0.1188 0 0 0 0 S205-053 12.7 32.33 18 0.0097 0 0 0 1 S205-054 12.6 32.3 230 0.6210 0 0 0 0

* The Neuston Net was towed completely beneath the surface for the duration of this tow. The zooplankton density should therefore be expressed as mL/m3, rather than mL/m2 in this instance.

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CRUISE REPORT S-205 SCIENTIFIC ACTIVITIES UNDERTAKEN ABOARD THE SSV ROBERT C… · 2013. 5. 16. · Data Description. This report contains a record of data collected during cruise