Other ID: ATL2 124; ALVIN 2168 thru 2176
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Principal Investigator(s): David Twichell
Affiliate Investigator(s): William B. F. Ryan - Chief Scientist, Lamont-Doherty Earth Observatory LDEO
Information Specialist(s): PARTNER
Data Type(s): Imagery: Video, Sonar: Multibeam, Visual Identification: Submersible Observations
Scientific Purpose/Goals: Sediment investigations, sea floor mapping, and ALVIN submersible test dives.
Start Date: 1989-12-05
Start Port/Location: Woods Hole, MA
End Date: 1989-12-19
End Port/Location: Woods Hole, MA
Equipment Used: SeaBeam 2112, Video camera - deep sea, Submersible Observation
Information to be Derived: Samples and chemical analysis;
Summary of Activity and Data Gathered: Still images: 9 reels 35-mm color film; Moving images: 23 8-mm video tapes; Samples: carbonates, sediments, chalk, mudstone, sandstone; Other Geophysical: temperature records, sound velocity records, navigation, Seabeam multibeam bathymetry.
Staff: David Twichell
Notes: WHOI cruise data summary and ALVIN dive summaries may be accessed via the On-Line Data Resources Archive link. Submitted 01/08/09 by A. Orton for D. Twichell. Data Curator: William Ryan, LDEO.
Atlantic Continental Slope off New Jersey, United States, North America, North Atlantic;
Pratson, L.F., Ryan, William B.F., Mountain, Gregory S., and Twichell, David C., 1994, Submarine canyon initiation by downslope-eroding sediment flows; evidence in late Cenozoic strata on the New Jersey continental slope: Geological Society of America Bulletin, v. 106 no. 3, doi: 10.1130/0016-7606(1994)106<0395:SCIBDE>2.3.CO;2.