Mean Shear, Atlantic Coast, Massachusetts, 2009

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Abstract/Contents

Abstract: 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.
Purpose: 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.

Type of resource	cartographic, software, multimedia
Form	Raster Dataset
Place	South Kingstown, RI, US
Publisher	Applied Science Associates
Publication date	2009
Language	English
Digital origin	born digital
Map data	Scale not given. ; EPSG::4269 W 71°19ʹ42ʺ--W 69°31ʹ10ʺ/N 42°52ʹ45ʺ--N 41°1ʹ42ʺ, Scale not given ; EPSG::4326

Creator	Applied Science Associates

WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/yy873td1773

Use and reproduction: This item is in the public domain. There are no restrictions on use.
Copyright: This work is in the Public Domain, meaning that it is not subject to copyright.

Preferred citation: Applied Science Associates. (2009). Mean Shear, Atlantic Coast, Massachusetts, 2009. Applied Science Associates. Available at: http://purl.stanford.edu/yy873td1773.

Northeast Ocean Data : Maps and data for ocean planning in the northeastern United States

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