Sources, Instream Transport, and Trends of Nitrogen, Phosphorus, and Sediment in the Lower Tennessee River Basin, 1980-96

CONVERSION FACTORS, VERTICAL DATUM, AND ABBREVIATIONS

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               Multiply                         By                To obtain
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inch (in.)                                    2.54       centimeter

foot (ft)                                     0.3048     meter

mile (mi)                                     1.609      kilometer

square mile (mi2)                             2.590      square kilometer

cubic foot per second (ft3/s)                 0.02832    cubic meter per second

pound (lb)                                    0.4536     kilogram

pound per day (lb/d)                          0.4536     kilogram per day

pound per year (lb/yr)                        0.4536     kilogram per year

ton per year (ton/yr)                         0.9072     metric ton per year

ton per square mile per year [(ton/mi2)/yr]   0.003503   metric ton per hectare per year

ton per acre (ton/acre)                       2.242      metric ton per hectare

pound per acre (lb/acre)                      1.121      kilogram per hectare

million gallons per day (Mgal/d)              0.04381    cubic meter per second
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Sea level: In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929--a geodetic datum derived from a general adjustment of the first-order level nets of the United States and Canada, formerly called Sea Level Datum of 1929.

ABBREVIATIONS AND ACRONYMS

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