Other ID: LYNCH70485; LYNC 704-85
Status: Completed
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): Anne M. Trehu
Affiliate Investigator(s): Al Ballard - NORDA
Information Specialist(s): Anne M. Trehu
Data Type(s): Seismics: Air Gun / Water Gun, Seismics: Ocean Bottom Seismometer, Seismics: Boomer, Seismics: Bubble Gun, Seismics: Sparker, Seismics: Sub Bottom Profiler, Location-Elevation: Navigation
Scientific Purpose/Goals: Determine the velocity structure of the crust at the continent-ocean boundary beneath the Carolina Trough. This information is needed to model the tectonic and thermal process of rifting. Cruise also included the first major deployment of OBSes designed by Bruce Ambuter, after fixing major problems identified in earlier experiments.
Vehicle(s):
Start Port/Location: Yorktown, VA
End Port/Location: New London, CT
Start Date: 1985-06-09
End Date: 1985-06-30
Equipment Used: Air gun, Ocean Bottom Seismometer, Single channel hydrophone, 3.5 kHz, USGS mini-INS system
Information to be Derived:
Summary of Activity and Data Gathered: Explosive refraction data: 465 km; airgun refraction and single-channel streamer data: 305 km; continuous wave source data: 340 km; 3.5 kHz data: 1500 km; USGS OBS stations: 19; Scripps OBS stations: 6; CTDs: 4.
Staff: Barry Irwin, Gregory Miller, James E. Dodd, Corina Savela, Anne M. Trehu
Affiliate Staff:
Al Ballard - Chief Scientist
NORDA; Bill Everard
NORDA; Bill Eslick
NORDA; Norm Lombard
NORDA; Leroy Dorman
Scripps (Leg 1 only); David Willoughby
Scripps; Martin Vogel
Scripps; James Dolan
Scripps; Tony Schreiner
Scripps (Leg 1 only); Richard Wilkenson
NRL (Leg 2 only); Lee Houston
NRL (Leg 2 only); Ken Crawford
NAVOCEANO
Notes: Cruise included two legs: LEG 1 - 06/09-19/1985, Yorktown, VA returning to Yorktown, VA; LEG 2 - 06/19-30/1985, from Yorktown, VA returning to New London, CT. Original Center People field contained: Anne Trehu, Chief Scientist; Barry Irwin (Leg 1 only); Jim Dodd (Leg 2 only); Corina Savela; Greg Miller.
Project = Continental margin deep crustal structure and seismicity, Continental margin deep crustal structure and seismicity
Location:
Carolina Trough, United States, North America, North Atlantic;
Boundaries | |||
---|---|---|---|
North: 33.98082107 | South: 31.95009301 | West: -77.02877285 | East: -75.7591944 |
Platform(s):
Lynch |
Trehu, A.M., Miller, G. K., Gettrust, J. F., Ballard, A., Dorman, L. M., and Schreiner, T., 1986, Deep crustal structure beneath the Carolina Trough [abs.]: , Eos, Transactions, American Geophysical Union. San Francisco, Calif., 8-12 December 1986.
Trehu, A.M., Ballard, A., Dorman, L. M., Gettrust, J. F., Klitgord, K. D., and Schreiner, A., 1989, Structure of the lower crust beneath the Carolina Trough, U.S. Atlantic continental margin: Journal of Geophysical Research, v. 94 no. B8, URL: http://www.agu.org/journals/ABS/1989/JB094iB08p10585.shtml.
Title | Survey Equipment | Description |
---|---|---|
Cruise report | (document not focused on specific equipment) | Chief Scientist's report including personnel, purpose, equipment, tabulated information and cruise summary. Includes OBS and CTD locations, and trackmap. |
Navigation log | USGS mini-INS system | Navigation log describing line and diskette start and end times, shot times, ship speed, instrument configuration and data acquisition notes, and 2 area track maps. |
Data inventory | (document not focused on specific equipment) | Cruise Curator's inventory of data collected at sea. |
Survey Equipment | Survey Info | Data Type(s) | Data Collected |
---|---|---|---|
Air gun | --- | Air Gun / Water Gun | |
Ocean Bottom Seismometer | --- | Ocean Bottom Seismometer | 1985-019-FA-SE-003 (Digital tape(s) of OBS, OBIP, ) 1985-019-FA-SE-002 (Digital tape(s) of OBS, OBIP, ) |
Single channel hydrophone | --- | Air Gun / Water Gun Boomer Bubble Gun Sparker Sub Bottom Profiler | 1985-019-FA-SE-001 (microfilm of ) |
3.5 kHz | --- | Sub Bottom Profiler | |
USGS mini-INS system | --- | Navigation |