Scientific Investigations Report 2006–5212

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5212

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Conversion Factors, Datum, and Abbreviations

Conversion Factors

Multiply By To obtain
acre 0.4047 hectare
acre 0.4047 square
acre 0.004047 square
acre-foot (acre-ft) 1,233 cubic meter
acre-foot (acre-ft) 0.001233 cubic hectometer
acre-foot per year (acre-ft/yr) 1,233 cubic meter per year
acre-foot per year (acre-ft/yr) 0.001233 cubic hectometer per year
cubic foot per second (ft3/s) 0.02832 cubic meter per second
foot (ft) 0.3048 meter
inch (in.) 2.54 centimeter
inch (in.) 25.4 millimeter
million gallons per day (Mgal/d) 0.04381 cubic meter per second
mile (mi) 1.609 kilometer
square mile (mi2) 2.590 square kilometer

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) as follows:

°F=(1.8×°C)+32.

Temperature in degrees Fahrenheit (°F) may be converted to degrees Celsius (°C) as follows:

°C=(°F-32)/1.8.

Datum

Horizontal coordinate information is referenced to the North American Datum of 1927 (NAD 27).

Abbreviations

Abbreviation Definition
Reclamation Bureau of Reclamation
Cal Poly California Polytechnic State University Irrigation Training and Research Center
FERC Federal Energy Regulatory Commission
KDD Klamath Drainage District
KID Klamath Irrigation District
OWRD Oregon Water Resources Department
PC PacifiCorp
RM river mile
SCADA Supervisory Control and Data Acquistion
TID Tulelake Irrigation District
USGS U.S. Geological Survey
WWTP wastewater treatment plant
WY water year

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