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.
Suggested Citation
Gamble, J.M., Burow, K.R., Wheeler, G.A., Hilditch, R., and Drexler, J.Z., 2003, Hydrogeologic data from a shallow flooding demonstration project, Twitchell Island, California, 1997-2001: U.S. Geological Survey Open-File Report 2003-378, 42 p., https://doi.org/10.3133/ofr03378.
ISSN: 2331-1258 (online)
| 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 |
| Year Published | 2003 |
| Language | ENGLISH |
| Description | 42 p. |