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SCalCurrentsBuoyancy
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2020
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Sally Ride
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Project Title: |
The high-resolution horizontal structure of ocean currents and buoyancy off the coast of southern California |
Project Status: |
Submitted |
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Principal Investigator: |
Saulo M. Soares, SIO |
Project Institution: |
SIO |
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Project ID: |
106674 |
Version #: |
2 |
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Date Submitted: |
12/2/2019 7:27:00 PM |
Created By: |
Saulo M. Soares |
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Date Last Modified: |
7/21/2020 11:26:00 PM |
URI Serial #: |
None |
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Funding Agencies: |
INST/UCSD/SIO - NONE - Funded |
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Summary of Field Work: |
Characterization of the horizontal structure of upper ocean currents and buoyancy in the deep waters off southern California with high resolution measurements. The primary goal is to sample the fields associated with internal inertia gravity waves.
This work will consist of fully underway sampling to be conducted off point Conception in southern California using a towed underway CTD package (uCTD) and shipboard acoustic Doppler current profiler (ADCP). Sampling will occur along a specified track that allows detection, in a statistical sense, of directionality in the internal wave field; sampling along the tracks will be 24 hr continuous tow-yo operation. The high-resolution work will be accomplished with 3 repeated surveys of the predefined sampling tracks, either in a single 11 days cruise or spread in 3 shorter duration cruises. The cruise or cruises will ideally be scheduled for summer (June-September) to avoid very deep mixed layers that would prevent underway sensors to reach into the thermocline. |
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Summary of Facility Requirements: |
All available hull mounted ADCPs; deck space near the stern to set up uCTD whinch and a working station for uCTD watchstanders; space on stern gunwale to mount uCTD stand. |
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Summary of other requirements and comments: |
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Type of Request: |
Primary Ship Use |
Request Status: |
Submitted |
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Request ID: |
1010764 |
Created By: |
Saulo M. Soares |
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Date Last Modified: |
7/21/2020 11:26:00 PM |
Date Submitted: |
12/2/2019 7:27:00 PM |
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Year: |
2020
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Ship/Facility: |
Sally Ride
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Optimum Start Date:
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6/16/2020 |
Dates to Avoid: |
Must avoid mid September onward as the uCTD, the primary instrument, will not be available. Should also avoid winter and early spring days (Jan 1 to Mar 31) because the instruments may not reach target depth (thermocline). |
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Earliest Start Date: |
4/6/2020 |
Multi-Ship Op: |
No |
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Latest Start Date: |
9/1/2020 |
Other Ship(s): |
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Operating Days Needed: |
Science Days |
Mob Days |
De-Mob Days |
Estimated Transit Days |
Total Days |
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9 |
0 |
0 |
2 |
11 |
Repeating Cruise?
(within same year) |
No |
Interval: |
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# of Cruises: |
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Description of Repeating cruise requirements: |
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Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations: |
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Short Description of Op Area
for use in schedules: |
CCE1 mooring |
| Description of Op Area: |
Circular area centered at the nominal location of the California Current Ecosystem - Mooring 1 (CCE1), approximately 119 nautical miles off point Conception, due southwest. Coordinates of the mooring are 33.46759N, 122.53261W. Bottom depth at |
| Op Area Size/Dia.: |
102 |
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Lat/Long |
Marsden Grid |
Navy Op Area |
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Beginning
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34.248285° N
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122.279468° W
map
34° 14.8971' N
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122° 16.76808' W
map
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Ending
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32.766478° N
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122.051875° W
map
32° 45.98868' N
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122° 3.1125' 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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Alameda, California, USA |
None |
San Diego, CA, USA |
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops |
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Important Info on Working in Foreign Ports
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Chief Scientist: |
Saulo M. Soares, SIO |
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# in Science Party |
9 |
# of different science teams |
1 |
# 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 |
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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. |
Multiple shipboard ADCPs will be used if available.
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Explain Major Ancillary Facilities
Requirements and list description
and provider for "other" systems. |
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