Scientific Investigations Report 2007–5009

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5009

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Datums Used

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.

km, kilometer

km2, square kilometer

m, meter

m/d, meter per day

m/km, meter per kilometer

m/yr, meter per year

m3/d, cubic meter per day

mg/L, milligram per liter

mm, millimeter

pptv, parts per trillion by volume

Kcoarse , coarse-grained lithologic end member

Kcorc, Corcoran Clay

Kfine , hydraulic conductivity of fine-grained lithologic end member

Kh , horizontal hydraulic conductivity

Kv , vertical hydraulic conductivity between model layers

NAWQA, National Water-Quality Assessment

SF6, sulfur hexafluoride

TProGS, Transition-Probability Geostatistical Software

RMSE, root mean square error

SANJ, San Joaquin-Tulare Basins study unit of NAWQA

USGS, U.S. Geological Survey

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