The dynamic relationship between ground water and the Columbia River: Using deuterium and oxygen-18 as tracers
Journal of Hydrology
By: K. A. McCarthy, W. D. McFarland, J.M. Wilkinson, and L. D. White
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Abstract
Deuterium and oxygen-18 were used as natural tracers to investigate the hydraulic relationship between the Columbia River and the Blue Lake gravel aquifer near Portland, Oregon. A time series of stable-isotope data collected from surface and ground waters during a March 1990 aquifer test confirms that the river and aquifer are hydraulically connected. Calculations based on simple mixing show that the river contributed 40–50% of the yield of three wells after 5–6 days of pumping. Data collected during August 1990, show that the river contributed 65–80% of the yield of one well after 22 days of pumping and indicate that the contribution of the river was still increasing.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The dynamic relationship between ground water and the Columbia River: Using deuterium and oxygen-18 as tracers |
| Series title | Journal of Hydrology |
| DOI | 10.1016/0022-1694(92)90078-A |
| Volume | 135 |
| Issue | 1-4 |
| Year Published | 1992 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Oregon Water Science Center |
| Description | 13 p. |
| First page | 1 |
| Last page | 12 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |