Data Series 282

U.S. GEOLOGICAL SURVEY
Data Series 282

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Conversion Factors, Datum, Abbreviations, and Acronyms

Multiply By To obtain
inch (in.) 25.40 millimeter
foot (ft) .3048 meter
foot per second (ft/s) .3048 meter per second

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 1927 (NAD 27).

Concentrations of chemical constituents in water are given in milligrams per liter (mg/L).

Mean lower low water (MLLW): The average of the lower low water height above the bottom, in feet, of each tidal day observed during the National Tidal Datum Epoch. The National Tidal Datum Epoch is the specific 19-year period (1960–1978 for values given in this report) adopted by the National Ocean Service as the official time segment during which tide observations are taken and reduced to obtain mean values.

Abbreviations and Acronyms

ADAPS automated data-processing system
DWR California Department of Water Resources
mV millivolt
FTS Forest Technology Systems
NTU nephelometric turbidity units
PInp nonparametric prediction interval
PVC polyvinyl chloride
RMS root-mean-squared (error)
SSC suspended-sediment concentration
USCG U.S. Coast Guard
USGS U.S. Geological Survey
WY water year (October 1–September 30)

 

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