Simulation of the shallow ground-water-flow system near Grindstone Creek and the community of New Post, Sawyer County, Wisconsin

Juckem, Paul F.; Hunt, Randall J.

doi:10.3133/sir20075014

Cited by 4 publications

(31 citation statements)

References 8 publications

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“…This study included refining the regional groundwater-flow model of Juckem and Hunt (2007). Additional field data were collected in the Hayward Airport area for use in calibration of the refined local model.…”

Section: Methodsmentioning

confidence: 99%

“…This report describes the refinement and recalibration of a two-dimensional, steady-state groundwater-flow model, which is described in detail in Juckem and Hunt (2007). Additional groundwater-level and streamflow data collected near the Hayward Airport formed the basis for refinement and recalibration of the regional model.…”

Section: Purpose and Scopementioning

confidence: 99%

“…The regional setting is described by Juckem and Hunt (2007). Important features of the local setting near the Hayward Airport are briefly described here.…”

Section: Physical Settingmentioning

confidence: 99%

“…The airport is in northwestern Sawyer County along the southern shores of the Namekagon River. The sand and gravel aquifer has relatively high horizontal hydraulic conductivity (Juckem and Hunt, 2007) and no laterally extensive confining beds. On the northern boundary of the airport is the Northern Tributary, a first-order stream (no tributaries) reported to have cold-water-habitat characteristics (Sather and Threinen, 1969;Pratt, 1982).…”

Section: Physical Settingmentioning

confidence: 99%

“…Although the regional groundwater system comprises shallow and deep aquifers (Juckem and Hunt, 2007), groundwater flow is dominated by flow through the shallow aquifer, which consists of glacial deposits that are composed primarily of sandy till and stream deposits that are about 100-ft thick near the Hayward Airport. The deep aquifer consists of Cambrian sandstones (roughly 100-ft thick near Grindstone Lake) that pinch out east of the Hayward Airport.…”

Section: Conceptual Modelmentioning

confidence: 99%

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Simulation of the shallow groundwater-flow system near the Hayward Airport, Sawyer County, Wisconsin

Hunt¹,

Juckem²,

Dunning³

2010

Scientific Investigations Report

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There are concerns that removal and trimming of vegetation during expansion of the Hayward Airport in Sawyer County, Wisconsin, could appreciably change the character of a nearby cold-water stream and its adjacent environs. In cooperation with the Wisconsin Department of Transportation, a two-dimensional, steady-state groundwater-flow model of the shallow groundwater-flow system near the Hayward Airport was refined from a regional model of the area. The parameter-estimation code PEST was used to obtain a best fit of the model to additional field data collected in February 2007 as part of this study. The additional data were collected during an extended period of low runoff and consisted of water levels and streamflows near the Hayward Airport. Refinements to the regional model included one additional hydraulic-conductivity zone for the airport area, and three additional parameters for streambed resistance in a northern tributary to the Namekagon River and in the main stem of the Namekagon River. In the refined Hayward Airport area model, the calibrated hydraulic conductivity was 11.2 feet per day, which is within the 58.2 to 7.9 feet per day range reported for the regional glacial and sandstone aquifer, and is consistent with a silty soil texture for the area. The calibrated refined model had a best fit of 8.6 days for the streambed resistance of the Namekagon River and between 0.6 and 1.6 days for the northern tributary stream. The previously reported regional groundwater-recharge rate of 10.1 inches per year was adjusted during calibration of the refined model in order to match streamflows measured during the period of extended low runoff; this resulted in an optimal groundwaterrecharge rate of 7.1 inches per year during this period. The refined model was then used to simulate the capture zone of the northern tributary to the Namekagon River.

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Section: Methodsmentioning

confidence: 99%

Section: Purpose and Scopementioning

confidence: 99%

“…The regional setting is described by Juckem and Hunt (2007). Important features of the local setting near the Hayward Airport are briefly described here.…”

Section: Physical Settingmentioning

confidence: 99%

Section: Physical Settingmentioning

confidence: 99%

Section: Conceptual Modelmentioning

confidence: 99%

See 3 more Smart Citations

Simulation of the shallow groundwater-flow system near the Hayward Airport, Sawyer County, Wisconsin

Hunt¹,

Juckem²,

Dunning³

2010

Scientific Investigations Report

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Simulation of contributing areas and surface-water leakage to potential replacement wells near the community of New Post, Sawyer County, Wisconsin, by means of a two-dimensional ground-water flow model

Juckem¹,

Hunt²

2008

Open-File Report

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A two-dimensional, steady-state groundwater flow model of the shallow groundwater flow system near the community of New Post, Sawyer County, Wis., was refined from an existing model of the area. Hydraulic-conductivity and recharge values were not changed from the existing model for the scenario simulations described in this report. Rather, the model was refined by adding detail along the Chippewa Flowage and then was used to simulate contributing areas for three potential replacement wells pumping 30,000 gallons per day. The model also was used to simulate potential surface-water leakage out of the Chippewa Flowage captured by replacement-well pumping. A range in resistance to vertical groundwater flow was simulated along the Chippewa Flowage for each potential replacement-well location to bound the potential effects of representing three-dimensional flow with a two-dimensional model. Results indicate that pumping from a replacement well sited about 130 feet from the Chippewa Flowage could capture as much as 39 percent of the total pumping from the flowage. Pumping from either of two potential replacement wells sited at least 400 feet from the Chippewa Flowage did not induce surface-water leakage out of the flowage regardless of the resistance applied along the flowage for simulations described in this report.

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Simulation of the shallow ground-water-flow system near Grindstone Creek and the community of New Post, Sawyer County, Wisconsin

Cited by 4 publications

References 8 publications

Simulation of the shallow groundwater-flow system near the Hayward Airport, Sawyer County, Wisconsin

Simulation of the shallow groundwater-flow system near the Hayward Airport, Sawyer County, Wisconsin

Simulation of contributing areas and surface-water leakage to potential replacement wells near the community of New Post, Sawyer County, Wisconsin, by means of a two-dimensional ground-water flow model

Simulation of the Groundwater-Flow System in Pierce, Polk, and St. Croix Counties, Wisconsin

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