Comparison of ground-water flow model particle-tracking results and isotopic data in the Mojave River ground-water basin, southern California, USA
Journal of Hydrology
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Abstract
Flow-path and time-of-travel results for the Mojave River ground-water basin, southern California, calculated using the ground-water flow model MODFLOW and particle-tracking model MODPATH were similar to flow path and time-of-travel interpretations derived from delta-deuterium and carbon-14 data. Model and isotopic data both show short flow paths and young ground-water ages throughout the floodplain aquifer along most the Mojave River. Longer flow paths and older ground-water ages as great as 10,000 years before present were measured and simulated in the floodplain aquifer near the Mojave Valley. Model and isotopic data also show movement of water between the floodplain and regional aquifer and subsequent discharge of water from the river to dry lakes in some areas. It was not possible to simulate the isotopic composition of ground-water in the regional aquifer away from the front of the San Gabriel and San Bernardino Mountains - because recharge in these areas does not occur under the present-day climatic conditions used for calibration of the model.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Comparison of ground-water flow model particle-tracking results and isotopic data in the Mojave River ground-water basin, southern California, USA |
| Series title | Journal of Hydrology |
| DOI | 10.1016/j.jhydrol.2003.12.034 |
| Volume | 292 |
| Issue | 1-4 |
| Year Published | 2004 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | California Water Science Center |
| Description | 18 p. |
| First page | 30 |
| Last page | 47 |
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