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U.S. Geological Survey Open-File Report 2010–1007

Sea-Floor Geology and Character Offshore of Rocky Point, New York


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SI to Inch/Pound

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Length
centimeter (cm) 0.3937 inch (in.)
millimeter (mm) 0.03937 inch (in.)
meter (m) 3.281 feet (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)
square meters (m²) 10.7639 square feet (ft²)

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

Horizontal coordinate information projected in Universal Transverse Mercator is referenced to the North American Datum of 1983 (NAD83); horizontal information in geographic coordinates is referenced to the World Geodetic System 1984 (WGS84).

Vertical coordinate information is referenced to the National Geodetic Vertical datum of 1929 (NGVD29). The vertical datum for tidal-zone measurements is mean lower low water (MLLW).



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