Field Activity Details for field activity 1987-007-FA

Other ID: 118-12

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): William Schwab

Affiliate Investigator(s): Kenneth Smith - Scripps Institution of Oceanography

Information Specialist(s):

Data Type(s): Sampling: Biology, Sampling: Geology, Time Series: Mooring (physical oceanography), Environmental Data: Dissolved Oxygen, Environmental Data: CTD

Scientific Purpose/Goals: Study sediment transport processes and the geotechnical behavior of sediment on seamounts.


Start Port/Location: Honolulu, HI

End Port/Location: Apra Harbor, Guam

Start Date: 1987-02-28

End Date: 1987-04-01

Equipment Used: Sediment traps, Current, CTD, Box corer, Trawl, Amphipod traps, Push corer (wh), Grab respirometer

Information to be Derived:

Summary of Activity and Data Gathered: ALVIN dives #1806, 1807, 1809, 1810, 1812, and 1814 resulted in biologic and sedimentologic samples and data from 34 stations. Push cores: 19; Box cores: 10; Rock samples: 2; Biologic data.

Staff: William Schwab

Affiliate Staff:
James Hein - USGS-Menlo Park; Kenneth Smith - Scripps Institution of Oceanography



Horizon Guyot, Magellan Rise, Mid-Pacific Mountains, North Pacific;

North: 19.9 South: 19.1 West: -169.1 East: -168.75


photo of Atlantis II
Atlantis II
photo of Alvin


Schwab, W.C., Hein, James R., Smith, Kenneth L., Jr., de Moustier, Christian, Levin, Lisa A., Genin, Amatzia, Wakefield, W. Waldo, and Baldwin, Roberta J., 1988, Maps showing the Seabeam bathymetry and sedimentologic and biologic sample locations on Horizon Guyot, Mid-Pacific Mountains, and a summary of existing data: 14 URL:, download PDF.


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Push corer (wh) --- Biology
Box corer --- Biology
Current --- Mooring (physical oceanography)
Sediment traps --- Geology
Grab respirometer --- Dissolved Oxygen
Trawl --- Biology
Amphipod traps --- Biology

USGS Coastal and Marine Geology Program