Seafloor character and sedimentary processes in eastern Long Island Sound and western Block Island Sound
Geo-Marine Letters
By: Lawrence J. Poppe, M. L. Cohen-DiGiacomo, S. M. Smith, H.F. Stewart, and N.A. Forfinski
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Abstract
Multibeam bathymetric data and seismic-reflection profiles collected in eastern Long Island Sound and western Block Island Sound reveal previously unrecognized glacial features and modern bedforms. Glacial features include an ice-sculptured bedrock surface, a newly identified recessional moraine, exposed glaciolacustrine sediments, and remnants of stagnant-ice-contact deposits. Modern bedforms include fields of transverse sand waves, barchanoid waves, giant scour depressions, and pockmarks. Bedform asymmetry and scour around obstructions indicate that net sediment transport is westward across the northern part of the study area near Fishers Island, and eastward across the southern part near Great Gull Island.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Seafloor character and sedimentary processes in eastern Long Island Sound and western Block Island Sound |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/s00367-006-0016-4 |
| Volume | 26 |
| Year Published | 2006 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Woods Hole Coastal and Marine Science Center |
| Description | 10 p. |
| First page | 59 |
| Last page | 68 |
| Country | United States |
| State | Connecticut, New York |
| Other Geospatial | Block Island Sound, Long Island Sound |
| Google Analytic Metrics | Metrics page |