Datasets > Raster data > Massachusetts > 2005-2009

Mean Shear, Atlantic Coast, Massachusetts, 2009

Applied Science Associates · 2009 Full Details

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Full Details

Title
Mean Shear, Atlantic Coast, Massachusetts, 2009
Description
This raster layer contains the mean bottom shear stress based on mean tidal current speed in the Massachusetts Ocean Partnership (MOP) planning area (and extended rectangular region ~ 6 nautical miles from the southern planning border) which was calculated from the M2 tidal components in the ADCIRC VDatum model. The mean tidal depth-averaged velocity was then utilized to estimate mean bottom shear stress following the method described in Wilcock (1996, Water Resource Research). The grain size data from USGS USseabed program (http://coastalmap.marine.usgs.gov/regional/contusa/eastcoast/gome/capecod/data.html) were used for the bottom roughness data. The ocean currents, and thus bottom shear stress, at any instant, will never appear as they do in the figure. This is an estimate of the mean that each location will experience. The estimated mean is exported from Matlab and read into ArcGIS as a point file with location and bottom shear stress data. The value at each point in the 250 meter grid is taken from the nearest point in the triangular ADCIRC model grid nodes., This data set was developed to aid in coastal development and navigation. The data provides the mean bottom shear stress based on mean tidal currents experienced during a tidal cycle., This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Creator
Applied Science Associates
Publisher
Applied Science Associates
Subject
Ocean bottom, Tidal currents, Oceans
Temporal Coverage
2009
Date Issued
2009
Rights
This item is in the public domain. There are no restrictions on use.
Rights Holder
This work is in the Public Domain, meaning that it is not subject to copyright.
Access Rights
Public
Format
ArcGRID
Language
English
Date Added
October 01, 2025

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Cite and Reference

  • Citation
    Applied Science Associates (2009). Mean Shear, Atlantic Coast, Massachusetts, 2009. Applied Science Associates. https://purl.stanford.edu/yy873td1773 (dataset)
  • BTAA Geoportal Link

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