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Cascadia GPS-A
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2018
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Ocean/Intermediate
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Project Title: |
Assessing the State of Locking on the Frontal Thrust of the Cascadia Subduction Zone with Seafloor Geodesy |
Project Status: |
Submitted |
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Principal Investigator: |
C. D. Chadwell, SIO |
Project Institution: |
SIO |
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Project ID: |
105464 |
Version #: |
4 |
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Date Submitted: |
8/9/2016 5:57:00 PM |
Created By: |
C. D. Chadwell |
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Date Last Modified: |
2/4/2021 6:16:00 PM |
URI Serial #: |
None |
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Funding Agencies: |
NSF/OCE/MGG - 1657961 - Funded |
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Summary of Field Work: |
In year 1, deploy seafloor geodetic transponders and benchmarks for the sea surface using dynamically position ship at two sites along the Cascadia subduction zone. In year 3, recover the transponders from the two seafllor sites. |
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Summary of Facility Requirements: |
In year 1, require a dynamically-positioned ship with a crane. In year 3, require a ship with a crane. |
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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: |
1008837 |
Created By: |
C. D. Chadwell |
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Date Last Modified: |
2/4/2021 6:16:00 PM |
Date Submitted: |
8/9/2016 5:57:00 PM |
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Year: |
2018
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Ship/Facility: |
Ocean/Intermediate
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Optimum Start Date:
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6/5/2018 |
Dates to Avoid: |
Cannot go later in the summer season because need to deploy transponders and then measure with Wave Glider which operates best in July and Aug. |
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Earliest Start Date: |
5/15/2018 |
Multi-Ship Op: |
No |
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Latest Start Date: |
7/10/2018 |
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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3 |
1 |
0 |
1 |
5 |
Repeating Cruise?
(within same year) |
No |
Interval: |
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# of Cruises: |
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Description of Repeating cruise requirements: |
N/A |
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations: |
Need a ship with dynamic positioning and a crane. Dates are the nominal best conditions in the Cascadia region. Need about 1 and 1/2 days at two different sites, need about 1 day to transit between all sites, port. Need 1 day to mobilize and only 1/2 day to demob. |
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Short Description of Op Area
for use in schedules: |
Cascadia |
| Description of Op Area: |
Continental slope of the Cascadia subduction zone offshore Oregon and Washington state |
| Op Area Size/Dia.: |
200 NM |
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Lat/Long |
Marsden Grid |
Navy Op Area |
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Beginning
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Ending
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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.) |
No ITAR or EAR gear involved. Operating in US waters. |
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Requested Start Port |
Intermediate Port(s) |
Requested End Port |
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Newport, OR, USA |
None, , None, |
Newport, OR, USA |
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops |
Newport is closest port to working sites. Reduces transit times. |
Important Info on Working in Foreign Ports
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Chief Scientist: |
C. D. Chadwell, SIO |
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# in Science Party |
6 |
# of different science teams |
3 |
# 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 |
Web connection for shore-based control of remote surface vehicle. Standard Web services should be ok. |
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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. |
Require dynamic positioning to accurately place devices on seafloor which is critical for the technique.
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Explain Major Ancillary Facilities
Requirements and list description
and provider for "other" systems. |
N/A |
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