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Ocean Geopaths
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2019
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Robert Gordon Sproul
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Project Title: |
Collaborative Research: GP-EXTRA: Oceanographic shipboard and lab research for diverse students: experiential learning as a gateway to geoscience careers |
Project Status: |
Submitted |
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Principal Investigator: |
Anthony Rathburn, CSUB |
Project Institution: |
CSUB |
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Project ID: |
105547 |
Version #: |
6 |
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Date Submitted: |
10/10/2016 4:49:00 PM |
Created By: |
Anthony Rathburn |
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Date Last Modified: |
6/17/2020 11:33:00 PM |
URI Serial #: |
None |
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Funding Agencies: |
NSF/GEO/ICER - 1700942 - Funded |
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Summary of Field Work: |
Characterization of living and fossil benthic foraminifera and sediment properties in different seafloor habitats to generate modern analogs for assessments of environmental changes and paleoenvironmental history based on fossil foraminifera. Cruises will focus on hands-on training and research experience for students.
We propose to collect seafloor sediment samples from 3 areas on 2 short cruises per year. Ideally, one cruise would be in the summer, and the other would be on a weekend during the school year. The weekend trip would visit 3 sites on a transect (maximum depth 380 m), and the summer trip would visit 2 sites (about 1000 m water depth). All sites are in the Southern California Bight off San Diego. |
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Summary of Facility Requirements: |
Weekend cruises: multicorer, large Van veen grab; CTD with 12 bottle rosette, O2 sensor, transmissometer, fluorometer, PAR sensor, 2 pingers, sample storage refrigerator, freezer, -80 freezer, Secchi disc, 3.5 khtz profiler
Summer cruises: multicorer, large Van veen grab; piston corer, CTD with 12 bottle rosette, O2 sensor, transmissometer, fluorometer, PAR sensor, 2 pingers, sample storage refrigerator, freezer, -80 freezer, Secchi disc, 3.5 khtz profiler; side scan sonar; walk in cold room; A-frame and ship-side winch operation deployments |
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Summary of other requirements and comments: |
We plan to operate 24 hours/day and it would be preferable to have two res techs on board. On the weekend cruises, we plan to make three 8-hour legs, exchanging students each time (we have done this many times through the years using the Sproul to make these sampling legs to visit the same locations). |
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Type of Request: |
Primary Ship Use |
Request Status: |
Submitted |
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Request ID: |
1008989 |
Created By: |
Anthony Rathburn |
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Date Last Modified: |
6/17/2020 11:33:00 PM |
Date Submitted: |
10/10/2016 4:49:00 PM |
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Year: |
2019
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Ship/Facility: |
Robert Gordon Sproul
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Optimum Start Date:
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9/24/2019 |
Dates to Avoid: |
avoid weekdays--
weekends preferred early in school year |
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Earliest Start Date: |
9/14/2019 |
Multi-Ship Op: |
No |
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Latest Start Date: |
10/12/2019 |
Other Ship(s): |
This cruise is planned as a 24-hour weekend trip, visiting 3 sites near San Diego during 3 legs. Each leg will visit a different set of sites, returning to MarFac to exchange students after each 8-hour leg. We have done this many times over the years on the Sproul. We propose to do this each year for 3 years. A second summer cruise (separate ship time request) per year is also planned, using a larger ship to sample deeper sites during 1 leg voyages. Preferred dates include:
9/24-9/25; 10/1-10/2; 10/8-10/9; 10/15-10/16 or 9/17-9/18 |
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Operating Days Needed: |
Science Days |
Mob Days |
De-Mob Days |
Estimated Transit Days |
Total Days |
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1 |
0 |
0 |
0 |
1 |
Repeating Cruise?
(within same year) |
No |
Interval: |
N/A |
# of Cruises: |
1 |
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Description of Repeating cruise requirements: |
This cruise will be requested separately (separate ship time request) each year for 3 years |
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations: |
We prefer to schedule this earlier in the school year as samples from this cruise will be used in courses, labs and student research projects. |
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Short Description of Op Area
for use in schedules: |
USD series site |
| Description of Op Area: |
The 3 sites are located roughly due west of Point Loma. Target water depths are 300m (farthest west), 200m and 100m. We have visited these sites with the R/V Sproul many times since 2001. |
| Op Area Size/Dia.: |
5.5 |
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Lat/Long |
Marsden Grid |
Navy Op Area |
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Beginning
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32.666667° N
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117.4° W
map
32° 40.00002' N
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117° 24' W
map
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Ending
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32.616667° N
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117.333333° W
map
32° 37.00002' N
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117° 19.99998' W
map
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Show Degrees Minutes |
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Foreign Clearance Required? |
No |
Coastal States:
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 Important Info on Foreign Research Clearances
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Are you or any member in your science party bringing in any science equipment items which are regulated for export by the International Traffic in Arms Regulations (ITAR) and/or the Export Administration Regulations (EAR)?
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No |
If yes, have you applied for the necessary permits through your export control office?
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No |
| Questions about ITAR/EAR regulations?
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Comments about foreign clearance requirements or
description of any other special permitting requirements
(e.g., MMPA, ESA, IHA, Marine Sanctuaries, etc.) |
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Requested Start Port |
Intermediate Port(s) |
Requested End Port |
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San Diego, CA, USA |
San Diego, CA, USA, San Diego, CA, USA |
San Diego, CA, USA |
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops |
We plan a voyage with 3 legs of 8 hour duration each so that we can involve as many students as possible during the 24-hour cruise (we have used this method many times over the years). After visiting site one, we would return to MarFac to replace student participants, and then sample site 2, repeating the procedure for site 3. |
Important Info on Working in Foreign Ports
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Chief Scientist: |
Sarah Gray, USD |
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# in Science Party |
25 |
# of different science teams |
3 |
# Marine Technicians to be
provided by ship operator:
(include in science party total)
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2 |
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Explanation of Science Party Requirements and Technician Requirements |
There would be 3 different science teams (one for each leg), with about 25 in each science party. We require 2 res. techs for 24-hour operations. |
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 Dynamic Positioning | ADCP | Multibeam | Seismic |
| Dredging/Coring/Large Dia. Trawl Wire | Stern A-frame | Fiber Optic (.681) | 0.680 Coax Wire |
| SCUBA Diving | Radioisotope use - briefly describe | NO Radioisotope use/Natural level work | Other Operator Provided Inst. - Describe |
| 0 PI-Provided Vans - briefly describe | MOCNESS | | |
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Explain Instrumentation or Capability
requirements that could affect choice
of ship in scheduling. |
We require an Ocean Instruments multicorer and Van Veen grab sampler along with a CTD.
Winch and wire will need to accommodate multicoring, grab sampling and CTD deployment to 400m (max target depth is 300m).
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Explain Major Ancillary Facilities
Requirements and list description
and provider for "other" systems. |
N/A |
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