Scientific Investigations Report 2006–5274

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5274

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Conversion Factors, Datums, and Abbreviations or Acronyms

Conversion Factors

Multiply By To obtain
acre 4,047 square meter
acre 0.004047 square kilometer
acre-foot (acre-ft) 1,233 cubic meter
acre-foot per month (acre-ft/mo) 1,233 cubic meter per month
acre-foot per year (acre-ft/yr) 1,233 cubic meter per year
cubic foot (ft3) 0.02832 cubic meter
cubic foot per second (ft3/s) 0.02832 cubic meter per second
cubic foot per day (ft3/d) 0.02832 cubic meter per day
foot (ft) 0.3048 meter
foot per day (ft/d) 0.3048 meter per day
inch (in.) 25.4 millimeter
inch per year (in/yr) 25.4 millimeter per year
mile (mi) 1.609 kilometer
square foot (ft2) 0.09290 square meter
square mile (mi2) 2.590 square kilometer

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

°C=(°F-32)/1.8

Datums

Vertical coordinate information is referenced to the North American Vertical Datum of 1988 (NAVD 88).

Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD 83).

Altitude, as used in this report, refers to distance above the vertical datum.

Abbreviations or Acronyms

Abbreviation or Acronym Meaning
CUS corrected unregulated streamflow
DEM digital elevation model
DOE Washington State Department of Ecology
DSS Decision Support System
ESP Extended Streamflow Prediction
HDB Hydrologic Database
MMS Modular Modeling System
MRU Modeling Response Unit
NRCS Natural Resources Conservation Service
NWS National Weather Service
OID Okanogan Irrigation District
OUI Object User Interface
PRMS Precipitation-Runoff Modeling System
Reclamation Bureau of Reclamation
USGS U.S. Geological Survey
UUS uncorrected unregulated streamflow
WARSMP Watershed and River Systems Management Program

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