Hydrogeologic data from a shallow flooding demonstration project, Twitchell Island, California, 1997-2001
Open-File Report
2003-378
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Abstract
Data were collected during a study to determine the effects of continuous shallow flooding on ground-water discharge to an agricultural drainage ditch on Twitchell Island, California. The conceptual model of the hydrogeologic setting was detailed with soil coring and borehole-geophysical logs. Twenty-two monitoring wells were installed to observe hydraulic head. Ten aquifer slug tests were done in peat and mineral sediments. Ground-water and surface-water temperature was monitored at 14 locations. Flow to and from the pond was monitored through direct measurement of flows and through the calculation of a water budget.
These data were gathered to support the development of a two-dimensional ground-water flow model. The model will be used to estimate subsurface discharge to the drainage ditch as a result of the pond. The estimated discharge will be used to estimate the concentrations of DOC that can be expected in the ditch.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Hydrogeologic data from a shallow flooding demonstration project, Twitchell Island, California, 1997-2001 |
| Series title | Open-File Report |
| Series number | 2003-378 |
| DOI | 10.3133/ofr03378 |
| Edition | - |
| Year Published | 2003 |
| Language | ENGLISH |
| Description | 42 p. |
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