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| Type: | Resource | |
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| Created: | Feb 08, 2023 at 3:11 a.m. | |
| Last updated: | Feb 08, 2023 at 3:12 a.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 286 |
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Abstract
Groundwater flow modeling was used to quantitatively assess the hydrologic processes affecting groundwater and solute movement to drain laterals. Modeling results were used to calculate the depth distribution of groundwater flowing into drain laterals at 1.8 m (drain lateral 1) and 2.7 m (drain lateral 2) below land surface. The simulations indicated that under nonirrigated conditions about 89% of the flow in drain lateral 2 was from groundwater originating from depths greater than 6 m below land surface. The deep groundwater has higher selenium concentrations than shallow groundwater. Simulation of irrigated conditions indicates that as recharge (deep percolation) increases, the proportional contribution of deep groundwater to drain lateral flow decreases. Groundwater flow paths and travel times estimated from the simulation results indicate that groundwater containing high concentrations of selenium (greater than 780-mu-g L-1) probably will continue to enter drain lateral 2 for decades.
Subject Keywords
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Spatial
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Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.1029/91WR01368 |
| Depth | 30 |
| Scale | < 10 km² |
| Layers | > 20 layers |
| Purpose | Groundwater resources;Groundwater contamination;Agricultural growth |
| GroMoPo_ID | 155 |
| IsVerified | True |
| Model Code | MODFLOW |
| Model Link | https://doi.org/10.1029/91WR01368 |
| Model Time | SS |
| Model Year | 1991 |
| Model Authors | J. Fio, S. Deverel |
| Model Country | United States |
| Data Available | Report/paper only |
| Developer Email | |
| Dominant Geology | Unconsolidated sediments |
| Developer Country | United States |
| Publication Title | GROUNDWATER-FLOW AND SOLUTE MOVEMENT TO DRAIN LATERALS, WESTERN SAN JOAQUIN VALLEY, CALIFORNIA .2. QUANTITATIVE HYDROLOGIC ASSESSMENT |
| Original Developer | No |
| Additional Information | Model looks at a an agricultural field in the san Joaquin Valley, California, USA (specific location unspecified) to determine how agricultural drains move water and selenium. |
| Integration or Coupling | Solute transport |
| Evaluation or Calibration | Static water levels |
| Geologic Data Availability |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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