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Scientific Investigations Report 2009–5015

Scientific Investigations Report 2009–5015

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Conversion Factors, Datums, and Abbreviations and Acronyms

Conversion Factors

Multiply By To obtain
cubic foot per second (ft3/s) 0.02832 cubic meter per second (m3/s)
inch (in.) 2.54 centimeter (cm)
foot (ft) 0.3048 meter (m)
meter (m) 3.281 foot (ft)
mile (mi) 1.609 kilometer (km)
square mile (mi2) 2.590 square kilometer (km2)


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).

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

Abbreviations and Acronyms

Acronym Description
7Q2 7-day, 2-year low flow
BURP Beneficial Use Reconnaissance Program
DEM Digital Elevation Model
EMAP Environmental Monitoring and Assessment Program
ESRI Environmental Systems Research Institute
GIS Geographic Information System
GLS generalized least-squares
HUC Hydrologic Unit Code
IDEQ Idaho Department of Environmental Quality
NED National Elevation Dataset
NHD-Hi_Res National Hydrography Dataset High-Resolution
PDSI Palmer Drought Severity Index
RF3 River Reach File 3
SNF Suislaw National Forest
USEPA U.S. Environmental Protection Agency
USGS U.S. Geological Survey

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