Field Activity 1993-008-FA

Identifier 1993-008-FA
Alternate names GS-1 5-93; LEGS 1-5-93
Purpose Sidescan sonar, bathymetric and high-resolution geophysical (seismic) survey of Lake Erie.
Location Lake Erie, Lorain, Fairport Harbor, Ohio, Great Lakes, United States, Canada, North America;
Summary From May 14-21 completed 316.8 km of tracklines, Lorain to Fairport Harbor, OH to Canadian waters. This 4th cruise completed reconnaissance of the Ohio part of Lake Erie, totalling 1211.86 km of sidescan, digital bathymetry, and high-resolution sub-bottom data. 17 tracklines.
Comments Original Center People field contained: Ron Circe - Co-Ch. Sci., Dave Nichols - Elect. Tech. Project = Offshore Geological Framework of Lake Erie, Offshore Geological Framework of Lake Erie
15 meter steel-hulled
Start Lorain, OH 1993-05-14
End Fairport Harbor, OH 1993-05-21
West -82.5518
East -81.07707
North 42.22178
South 41.44836


384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
Principal investigators Circe, Ronald C.
Crew members
David R Nichols
Scientist, Staff
Circe, Ronald C.
Scientist, Staff
Affiliate principal Jonathan "Nate" Fuller - Ohio Geological Survey
Affiliate staff Nate Fuller - Co-Ch. Sci.

Data types and categories

Data category: Sonar, Seismics, Location-Elevation
Data type: Sidescan, Single Beam, Sub Bottom Profiler, Boomer, Air Gun / Water Gun, Bubble Gun, Sparker, Navigation

Documents: Notes and log books

Name Description
Cruise report Chief Scientist's report including equipment, personnel, and brief cruise summary. Also has start and end times for survey lines.
Q-Mips log Q-Mips log indicating the start time of each data file and which tape the file was recorded on.
Navigation log Loran navigation printout with 30 second fixes, Julian day, time, latitude, longitude, time delays, speed, bearing, water depth. Handwritten annotations of start and end of lines.

Equipment used

Equipment Usage description Data types Datasets
Klein 531 sidescan Sidescan 2
Q-MIPS sidescan sonar system Sidescan (no data reported)
ODOM 200 kHz depth recorder Single Beam (no data reported)
3.5 kHz Sub Bottom Profiler 1
Huntec profiling system (500-2500 Hz) Boomer (no data reported)
Innerspace Technology 25-element hydrophone Air Gun / Water Gun, Boomer, Bubble Gun, Sparker 1
Loran-C Navigation 2


Datasets produced in this activity

Dataset name Equipment Description Dataset contact
1993-008-FA-SO-001 Klein 531 sidescan microfilm of Nancy K. Soderberg
1993-008-FA-SO-002 Klein 531 sidescan Digital tape(s) of SSS L1-2, SSS L3-7, SSS L8-10, SSS L11-17, Nancy K. Soderberg
1993-008-FA-SE-001 3.5 kHz Collection of paper record displays of seismic data( 3.5K) for lines Nancy K. Soderberg
1993-008-FA-SE-002 Innerspace Technology 25-element hydrophone microfilm of Nancy K. Soderberg
1993-008-FA-LN-001-01 Loran-C Trackmap with line numbers for Field Activities 91028, 92012, 92022, 93008, and 93017. Nancy K. Soderberg
1993-008-FA-LN-002-01 Loran-C Raw navigation data files. Nancy K. Soderberg


Samples collected during this field activity