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Transport and Fate of Nitrate in a Glacial Outwash Aquifer in Relation to Ground-Water Age, Land Use Practices and Redox Processes
By Larry J. Puckett and Timothy K. Cowdery
[Journal of Environmental Quality, vol. 31, no. 3, p. 782-796 ]Table 2. Observed and predicted water levels (in meters) and ages (in years) in the Otter Tail transect piezometers based on the ModFlow/ModPath simulation, August 1995 measurements, and CFC apparent ages.
|
Site |
Observed Water Level August 1995 |
Predicted Water Level |
CFC Apparent Age |
Predicted Age |
|
OF1S |
407.5 |
408.1 |
8-11 |
4-8 |
|
OF1A |
407.6 |
408.1 |
22 |
13-14 |
|
OF1B |
407.5 |
408.1 |
24-25 |
18-19 |
|
OF1C |
407.6 |
408.1 |
46-47 |
29-43 |
|
OF1D |
408.7 |
408.1 |
>50 |
45-53 |
|
OF2S |
409.9 |
410.0 |
† |
2 |
|
OF2D |
409.5 |
410.0 |
† |
38-43 |
|
OF3S |
413.4 |
413.0 |
5-8 |
3 |
|
OF3M |
413.4 |
413.0 |
37 |
14-15 |
|
OF3D |
412.9 |
413.0 |
47-48 |
39-45 |
|
OF4S |
416.0 |
416.2 |
23 |
2-4 |
|
OF5S |
418.9 |
418.5 |
5-8 |
1-2 |
†no data available
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U.S. Department of the Interior |
U.S. Geological Survey
URL: http://water.usgs.gov/nawqa/nutrients/pubs/jeq_v31_no3/table2.html
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