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U.S. Geological Survey Open-File Report 02-002

Geological Framework Data from Long Island Sound, 1981-1990:

A Digital Data Release

Block Island Sound: AST81-2 Cruise Report

Skip Table of Contents group; go to cruise reportOFR02-002 Home: return to OFR02-002 homepageINTRODUCTION: go to introductionSEISMIC DATA: Go to seismic data discussion
 Block Island Sound
 Summary Report
  Cruise Report
 Seismic Profiles
 Trackline Navigation
 Eastern Long Island Sound
 East-Central Long Island Sound
 West-Central Long Island Sound
 Western Long Island Sound
 Fishers Island Sound and Northeastern Long Island Sound CORE DATA: Go to core data discussionPHOTO GALLERY: view photos of cruise activities and equipmentDATA CATALOG: Go to data catalog and browse available dataREFERENCES: view suggested referencesRELATED WEBSITES: go to a list of Long Island Sound related websitesACKNOWLEDGMENTS: view acknowledgmentsCONTACTS: view contact informationDISCLAIMER: view disclaimer informationREADME: view readme information


Alternate Leg or Cruise Number: 81-2
Platform: R/V ASTERIAS
Submersible (if any):
Owner-Operator: Woods Hole Oceanographic Institution (WHOI)
Captain: Arthur D. Colburn, WHOI
Center Principal and Affiliate Principal:
(if any)
Sally Wood Needell
Ralph Lewis - CT DEP
Area of Operations: Block Island Sound
Bounding Coordinates:
North: 41.3
South: 41.0
West: -72.25
East: -71.5
Start and End Dates: Sept 10, 1981 to Sep 18, 1981
Start and End Ports: from Woods Hole, MA to Woods Hole, MA
Number of Days at Sea: 9
Cruise Objectives:
  1. Define geology and shallow structure of Block Island Sound and eastern Long Island Sound
  2. Determine geologic framework and Quaternary development of Block Island Sound;
  3. Identify and map potential geologic hazards
  4. Complement similar study in Rhode Island Sound
Scientific Party (USGS): Sally Needell - Chief Scientist
Frank Jennings - Electronics Tech.
Scientific Party (affiliate): Ralph Lewis - CT DEP, geologist
Scientific Equipment:
  • EG&G Uniboom seismic profiling system (EPC graphic recorder)
  • EDO Western sidescan sonar system (EDO graphic recorder)
  • Northstar 6000 Loran-C Navigator and repeater
  • Texas Instruments Silent 700 ASP terminal (navigation log)
  • EG&G hydrophone streamer
  • Hewlett-Packard Instrumentation recorder (Uniboom only)
  • Teledyne Exploration high resolution amplifier. 
Navigation techniques used: Loran-C
Cruise Funding Source:
Project Title: New England Coastal Geology
Tabulated Information:
Days at Sea: 9
Continuous Data (in Km): 702
Number of Stations Occupied:
Number of Submersible Dives:
Station Descriptions:
Track Plot:
Related Web Sites: Long Island Sound Studies

Long Island Sound Interactive Mapping

Submitted by: Sally Wood Needell

Connecticut Department of Environmental Protection

Department of the Interior > U.S. Geological Survey > Coastal and Marine Geology Program
Contact: L.J. Poppe (")