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U.S. Geological Survey Open-File Report 2010–1005

Surficial Geology of the Sea Floor in Long Island Sound Offshore of Plum Island, New York


Conversion Factors

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SI to Inch/Pound

Multiply By To obtain
Length
centimeter (cm) 0.3937 inch (in.)
millimeter (mm) 0.03937 inch (in.)
meter (m) 3.281 foot (ft)
kilometer (km) 0.6214 mile (mi)
kilometer (km) 0.5400 mile, nautical (nmi)
meter (m) 1.094 yard (yd)
Area
square kilometer (km²) 0.3861 square mile (mi²)

Phi-notation (Krumbein, 1934) as used in this report is defined as: Φ = -log 2 (d), where d is the grain diameter in mm. Phi-class intervals in millimeters are given in the data dictionary of the Sediments section.

The frequencies of sidescan sonar and multibeam bathymetry are measured in kilohertz (kHz), one thousand periods per second.

The vertical datum for tidal-zone measurements is mean lower low water.



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Page Last Modified: Wednesday, 07-Dec-2016 22:35:30 EST