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Groundwater
Chemistry Lab


Nebraska Network
for Isotopes in
Precipitation

Justin Smith Morrill
Scholars
Program

Mead, Nebraska

Site Information:
NADP Site No: NE15
Latitude: 41o 09' 11" N
Longitude: 96o 29' 34" W
Elevation: 352 meters

Site Map:


Yearly Data Statistics:

Slope (A) Intercept (B) Weighted Mean d18O (o/oo) Arithmetic Mean d18O (o/oo) Weighted Mean d2H (o/oo) Arithmetic Mean d2H (o/oo)
7.40 7.32 -7.4 -8.1 -48 -53


Local Meteoric Waterline:
(The MMWL plotted below has been corrected for d-excess values <3o/oo)


Seasonal Time Series:


Monthly Mean Values:

Reference:
Harvey, F.E., 2001, Use of NADP Archive Samples to Determine the Isotope Composition of Precipitation: Characterizing the Meteoric Input Function for Use in Ground Water Studies, Ground Water, 39(3), p. 380-390. (Full Article PDF)

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Copyright 2009 - F. Edwin Harvey, University of Nebraska - All Rights Reserved