Coastal and Marine Geology Program Internet Map Server:
Long Island Sound Estuary

Interpolation of Reconnaissance Multibeam Bathymetry from North-Central Long Island Sound: 2006, U.S. Geological Survey Open-File Report 2005-1145

This Open-File DVD-ROM contains digital versions of three reconnaissance acoustic bathymetric surveys completed by the National Oceanic and Atmospheric Administration (NOAA) in the north-central Long Island Sound Region. These data, primarily single-beam and shallow-water multibeam echosoundings, have been interpolated and regridded into complete-coverage data sets and images of the sea floor.

Surficial Geologic Interpretation and Sidescan Sonar Imagery of the Sea Floor in West-Central Long Island Sound: 2005, U.S. Geological Survey Open-File Report 2005-1018

This Open-File DVD-ROM contains digital versions of the sidescan sonar imagery from a survey completed by the National Oceanic and Atmospheric Administration (NOAA). The survey area covered a 293 km² area of the sea floor in west-central Long Island Sound off Milford, Connecticut. Maps and digital data showing distributions of surficial features, sediments and sedimentary environments are also available.

Sidescan Sonar Imagery and Surficial Geologic Interpretation of the Sea Floor off Branford, Connecticut: U.S. Geological Survey Open-File Report 2004-1003

This Open-File DVD-ROM contains digital versions of the sidescan sonar imagery from a survey completed by the National Oceanic and Atmospheric Administration (NOAA). The survey area covered a 41.1 km² area of the sea floor in north-central Long Island Sound off Branford, Connecticut. Maps and digital data showing distributions of surficial features, sediments and sedimentary environments are also available.

Geological Framework Data from Long Island Sound, 1981-1990: A Digital Data Release: U.S. Geological Survey Open-File Report 02-002

This Open-File DVD-ROM contains images of high-resolution seismic-reflection profiles, core logs and photographs, and navigation data collected in Long Island Sound from 1981 to 1990 through a cooperative between the USGS and the Connecticut Department of Environmental Protection (CT-DEP).  Seismic navigation and core location information are available in GIS compatible formats.

Coastal Vulnerability to Sea-Level Rise: A Preliminary Database for the U.S. Atlantic, Pacific and Gulf of Mexico Coasts: 2001, U.S. Geological Survey Digital Data Series 68

This Digital Data Series CD-ROM contains a preliminary report of the National Assessment of Coastal Vulnerability to Sea-Level Rise for the conterminous United States.  In addition, the data used in these reports are included in GIS compatible format.

USGS East-Coast Sediment Analysis: Procedures, Database, and Georeferenced Displays: U.S. Geological Survey Open-File Report 00-358

This publication is superseded by U.S. Geological Survey Open-File Report 2005-1001.

CHAPTER 3; Visualizing Sediment Data Layers Using Geographic Mapping Tools

This Open-File CD-ROM contains a procedures section that describes field methods used to collect marine sediment samples and laboratory methods used to determine and characterize the grain-size distribution.  This CD-ROM also contains a data release of over 19,000 surficial samples collected and or processed by the USGS Coastal and Marine Geology Program, Woods Hole Science Center.

This data layer is available in an ESRI shapefile format along with it's metadata from this server.  The data has been stored in a zip archive for convenience.

Georeferenced Sea-Floor Mapping and Bottom Photography in Long Island Sound: U.S. Geological Survey Open-File Report 00-304

You may go directly to the CD-ROM data page by clicking here.

A CD-ROM companion of digital data that were published in a Journal of Coastal Research Thematic Section.

Sidescan sonar mosaics

A summary list of eight USGS sidescan sonar mosaics.  These mosaics were created from data collected from 1993 - 1997 and were included on U.S. Geological Survey Open-File Report 98-502.