W9508A/Wilcock/OBS RECOVERY

General Information

Filing Date: Jan 27, 1995
Cruise Number: W9508A
Title: OBS RECOVERY
Contract/Grant Number: NA Principal Investigator(s): Will Wilcock

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Purpose

This is the second leg of a two leg experiment to study natural seismicity on the Endeavour segment of the Juan de Fuca mid-ocean ridge (48 deg N, 129 deg W). The objective of this leg is to recover 15 seismographs which were deployed two months earlier during the first leg.

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Itinerary

August 1-2

Transit directly from Newport, OR to 48 deg N, 129 deg W

August 2-6

Experimental operations in the area extending from 47 deg 50' N to 48 deg 5' N and 129 deg W to 129 deg 25' W. The experimental operations will comprise Recovery of 15 Office of Naval Research ocean bottom seismometers

August 6-7

Transit directly from experiment site(48 deg N, 129 deg W) to Newport, OR

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Radioactive Use

No

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Sampling Plan

No samples will be collected

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Equipment Required

No common-use equipment is requested

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Scientific Personnel To Be On Board

• Scientist in Charge: Dr. William S. D. Wilcock UW
• Co-Chief Scientist(s): Dr. G. Michael Purdy WHOI
• Party Chief:
• Technicians: Mr. John T. Hallinan WHOI
  Mr. F. Beecher Wooding WHOI
  Mr. John W. Bailey WHOI
  Mr. David L. DuBois UW
  
• Grad Students: Mr. Stephen D. Archer UW
  Mr. Sidi Mohammed Abdellah Cherkaoui-Manaoui UW
  Mr. Yanwu Zhang UW
  
• Students:
• Observers:

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OSU Marine Technicians assigned to Cruise

• MT:
• ET:

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User Supplied Equipment

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Other Bulky Heavy Items

15 ONR OBSs @ about 800 lbs. each with a 3' x 6' footprint* The OBSs will be disassembled shortly after recovery. The frames will be on deck. The releases, recording and acquisition pressure cases, and recovery aids will be in racks and boxes in the main hydro labs. Beecher Wooding at WHOI will forward a preferred layout to Ship Operations at OSU upon receipt of a deck plan. 3 deck boxes of hardware, handling gear, etc. @ 150 lbs. each (*These items will be recovered from the seafloor during the cruise)

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Billing Information

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Cellular/Inmarsat Phone Access

Yes