Physical Processes Study of Goldsmith Inlet, New York

Abstract

Goldsmith Inlet is a small semi-natural and non-navigable inlet located on the northeast shore of Long Island, NY, and it connects Goldsmith Pond to Long Island Sound. The coast is gravelly, waves relatively small because of limited fetch, and tide range relatively large at 2 m as compared to the south shore of Long Island. The inlet has been in existence since at least the 1700's, but is apparently prone to closure in recent times. Field data collection, GIS analysis of morphology, and numerical modeling of the inlet current were performed. The inlet is found to be highly flood dominant, with two natural sills restricting ebb flow. As a result, gravel remains at the inlet mouth, with the flood shoal composed of fine sand. No ebb shoal is found, probably a result of the limited ebb-tidal discharge. It is concluded that an easterly orientation promotes channel stability and is to be preferred to re-alignment of the inlet to run straight out to Long Island Sound.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 2007
Accession Number
ADA481974

Entities

People

  • Michael J. Morgan
  • Nicholas C. Kraus

Organizations

  • New York District, U.S. Army Corps of Engineers

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Aerial Photographs
  • Army
  • Asymmetry
  • Bathymetry
  • Contrast
  • Dredging
  • Floods
  • Grain Size
  • Hydraulics
  • Long Island Sound
  • New York
  • Orientation (Direction)
  • Photographs
  • Sedimentation
  • Tidal Currents
  • Time Intervals
  • Waterways

Fields of Study

  • Environmental science

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Coastal and Marine Engineering/Sediment Transport/Hydraulic Engineering