USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2003-044-FA

Other ID: none

Status: Completed

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

Funding Program(s):

Principal Investigator(s): Lawrence Poppe

Affiliate Investigator(s): NOAA

Information Specialist(s): Lawrence Poppe

Data Type(s): Sonar: Multibeam, Sonar: Sound Velocity, Location-Elevation: Navigation

Scientific Purpose/Goals: Multibeam bathymetry and backscatter; Knudsen CHIRP sub-bottom profiling.


Start Port/Location: Boston, MA

End Port/Location: New London, CT

Start Date: 2003-09-29

End Date: 2003-10-10

Equipment Used: DGPS, Simrad EM1002, Reson 8101 , Reson 8125

Information to be Derived: Sea floor map; Bathymetric maps;

Summary of Activity and Data Gathered: A bathymetric and sub-bottom survey of The Race (NOAA sheet G) was completed in eastern Long Island Sound and western Block Island Sound.

Staff: William Danforth, Lawrence Poppe

Affiliate Staff:
Shep Smith
Chief Scientist

Notes: Original Center People field contained: Larry Poppe, Geologist; Bill Danforth, Marine Seismic Specialist (mobilization).
Project = Sea and Lake Floor Mapping, Sea and Lake Floor Mapping


The Race, eastern Long Island Sound, western Block Island Sound, New York, Connecticut, United States, North America, North Atlantic;

North: 41.36667 South: 40.96667 West: -72.8333 East: -71.38333


photo of Thomas Jefferson
Thomas Jefferson


Poppe, L.J., DiGiacomo-Cohen, L. J., Doren, M. L., Smith, S. M., Stewart, H. F. and Forfinski, N. A., 2007, Geologic interpretation and multibeam bathymetry of the sea floor in the vicinity of the Race, Eastern Long Island Sound: U.S. Geological Survey Open-File Report 2007-1012, DVD-ROM, URL:

Poppe, L.J., and Foster, D.S., Evidence for a Glaciotectonic Origin of the Orient Point â Fishers Island Moraine, Westernmost Block Island Sound [abs.]: , 2014 Geological Society of America Northeast Sectional Meeting. Lancaster, PA, March 23-25, 2014.

Poppe, L.J., Danforth, W.W., McMullen, K.Y., Parker, C.E., and Doran, E.F., 2011, Combined Multibeam and LIDAR Bathymetry Data from Eastern Long Island Sound and Westernmost Block Island Sound â A Regional Perspective: U. S. Geological Survey Open-File Report 2011-1003, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Reson 8125 --- Multibeam
Reson 8101 --- Multibeam
Simrad EM1002 --- Multibeam
2003-044-FA-BA-001 ( Bathymetric Map of The Race (gif file) Bathymetric map of The Race, eastern Long Island Sound, from field multibeam backscatter data.)
Bathymetry GIS data ( )
DGPS --- Navigation

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Questions or Comments? Contact CMGDS Team