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Cetaceans and Sonar
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2021
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Robert Gordon Sproul
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Project Title: |
Fine-scale Foraging Behavior of Marine Mammals in Relation to Oceanography, Prey and Mid-frequency Active Sonar |
Project Status: |
Submitted |
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Principal Investigator: |
Simone Baumann-Pickering, SIO |
Project Institution: |
SIO |
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Project ID: |
106830 |
Version #: |
2 |
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Date Submitted: |
5/28/2020 5:47:00 PM |
Created By: |
Simone Baumann-Pickering |
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Date Last Modified: |
6/25/2021 12:26:00 AM |
URI Serial #: |
None |
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Funding Agencies: |
NAVY/ONR - NONE - Funded |
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Summary of Field Work: |
Marine mammals inhabit a highly dynamic, mobile environment. We will document how physical oceanographic conditions drive prey distributions and cetacean response to these changes. Use of mid-frequency active sonar during US Navy training operations can invoke a cetacean behavioral response and we aim to document how a response may be shaped by underlying prey conditions.
A series of 5 cruises will be conducted over the course of 2 years to record passive acoustic data on long-term moorings at sonar-impacted and minimally disturbed sites. Satellite tagging of cetaceans will provide larger spatial information on movement patterns observed outside the acoustic detection range. Information on prey will be collected with autonomous and ship-board active-acoustic systems. MOCNESS tows will provide an active acoustics ground-truth. Physical oceanographic features will be measured with autonomous sensors on the moorings and with ship-board instrumentation. |
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Summary of Facility Requirements: |
We will need A-frame for mooring deployments/recoveries, net tows, CTD; TSE winch for mooring operations; MOCNESS; CTD with 12 bottle rosette; deployment/recovery of RHIB for tagging; installation of portable active acoustic system |
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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: |
1011077 |
Created By: |
Simone Baumann-Pickering |
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Date Last Modified: |
6/25/2021 12:26:00 AM |
Date Submitted: |
5/28/2020 5:47:00 PM |
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Year: |
2021
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Ship/Facility: |
Robert Gordon Sproul
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Optimum Start Date:
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7/28/2021 |
Dates to Avoid: |
n/a |
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Earliest Start Date: |
7/14/2021 |
Multi-Ship Op: |
No |
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Latest Start Date: |
8/5/2021 |
Other Ship(s): |
n/a |
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Operating Days Needed: |
Science Days |
Mob Days |
De-Mob Days |
Estimated Transit Days |
Total Days |
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2 |
1 |
1 |
2 |
6 |
Repeating Cruise?
(within same year) |
No |
Interval: |
n/a |
# of Cruises: |
1 |
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Description of Repeating cruise requirements: |
n/a |
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations: |
R/V Robert Gordon Sproul has the right size, operates locally, and can facilitate the types of research required. |
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Short Description of Op Area
for use in schedules: |
SOCAL Bight |
| Description of Op Area: |
West of San Clemente Island and south of Santa Rosa Island |
| Op Area Size/Dia.: |
160 |
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Lat/Long |
Marsden Grid |
Navy Op Area |
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Beginning
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32.886833° N
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117.556167° W
map
32° 53.20998' N
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117° 33.37002' W
map
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Ending
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33.513483° N
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120.211467° W
map
33° 30.80898' N
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120° 12.68802' W
map
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Show Degrees Minutes |
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Foreign Clearance Required? |
No |
Coastal States:
NONE |
 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.) |
ONR Environmental Compliance, SOAR and Point Mugu range clearances |
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Requested Start Port |
Intermediate Port(s) |
Requested End Port |
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San Diego, CA, USA |
None, |
San Diego, CA, USA |
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops |
home port of R/V Robert Gordon Sproul |
Important Info on Working in Foreign Ports
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Chief Scientist: |
Simone Baumann-Pickering, SIO |
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# in Science Party |
7 |
# of different science teams |
1 |
# Marine Technicians to be
provided by ship operator:
(include in science party total)
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1 |
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Explanation of Science Party Requirements and Technician Requirements |
1 science team for mooring 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. |
n/a
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Explain Major Ancillary Facilities
Requirements and list description
and provider for "other" systems. |
TSE winch for mooring operations; CTD (no bottles needed but frame to mount microcats for calibration) |
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