Digital data sets that describe aquifer characteristics of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma

Adams, Gregory P.; Runkle, D.L.; Rea, Alan

doi:10.3133/ofr96446

Cited by 1 publication

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“…The A&T aquifer (figure 1) is a critical source of fresh water that supplies most of northwestern Oklahoma's water for domestic, irrigation, municipal, stock, and industrial purposes (Adams et al 1997). The aquifer spans an area of 2150 km 2 and is located within the western sand-dune belt geomorphic province of northwestern Oklahoma.…”

Section: Location Physiography and Climatementioning

confidence: 99%

Modelling the response of an alluvial aquifer to anthropogenic and recharge stresses in the United States Southern Great Plains

Zume

Tarhule

2011

J Earth Syst Sci

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This paper uses Visual MODFLOW to simulate potential impacts of anthropogenic pumping and recharge variability on an alluvial aquifer in semi-arid northwestern Oklahoma. Groundwater withdrawal from the aquifer is projected to increase by more than 50% (relative to 1990) by the year 2050. In contrast, climate projections indicate declining regional precipitation over the next several decades, creating a potential problem of demand and supply. The following scenarios were simulated: (1) projected groundwater withdrawal, (2) a severe drought, (3) a prolonged wet period, and (4) a human adjustment scenario, which assumes future improvements in water conservation measures. Results indicate that the combined impacts of anthropogenic pumping and droughts would create drawdown of greater than 12 m in the aquifer. Spatially, however, areas of severe drawdown will be localized around large-capacity well clusters. The worst impacts of both pumping and droughts will be on stream-aquifer interaction. For example, the projected aquifer pumpage would lead to a total streamflow loss of 40%, creating losing stream system regionally. Similarly, a severe drought would lead to a total streamflow loss of >80%. A post-audit of the model was also carried out to evaluate model performance. By simulating various stress scenarios on the alluvial aquifer, this study provides important information for evaluating management options for alluvial aquifers.

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Section: Location Physiography and Climatementioning

confidence: 99%