Estimation of recharge through selected drainage wells and potential effects from well closure, Orange County, Florida

Bradner, L.A.

doi:10.3133/ofr96316

Cited by 5 publications

(3 citation statements)

References 13 publications

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“…From the early 1900s to the 1960s, drainage wells were drilled in central Florida primarily for the purposes of disposing of stormwater runoff and controlling lake levels (Kimrey and Fayard, 1984;Bradner, 1996). In the CFCA, direct inflow to the Upper Floridan aquifer takes place through 210 active drainage wells, which are concentrated in the Orlando metropolitan area (fig.…”

Section: Drainage Wellsmentioning

confidence: 99%

Simulation of the effects of rainfall and groundwater use on historical lake water levels, groundwater levels, and spring flows in central Florida

O’Reilly¹,

Roehl²,

Conrads³

et al. 2014

Scientific Investigations Report

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Section: Drainage Wellsmentioning

confidence: 99%

Simulation of the effects of rainfall and groundwater use on historical lake water levels, groundwater levels, and spring flows in central Florida

O’Reilly¹,

Roehl²,

Conrads³

et al. 2014

Scientific Investigations Report

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“…4). The map in figure 6 showing the altitude of the top of the UFA, as identified by Miller (1986), was refined using the results of more localized studies by Knochenmus and Hughes (1976), Buono and Rutledge (1979), Shaw and Trost (1984), Planert and Aucott (1985), Navoy and Bradner (1987), Schiner and others (1988), Phelps (1990), Lukasiewicz (1992), Spechler (1993, plate 1), and Bradner (1994).…”

Section: Hydrogeologic Frameworkmentioning

confidence: 99%

Simulation of ground-water flow in the Intermediate and Floridan aquifer systems in Peninsular Florida

Sepúlveda¹

2002

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A numerical model of the intermediate and Floridan aquifer systems in peninsular Florida was used to (1) test and refine the conceptual understanding of the regional groundwater flow system; (2) develop a data base to support subregional groundwater flow modeling; and (3) evaluate effects of projected 2020 groundwater withdrawals on groundwater levels. The four-layer model was based on the computer code MODFLOW-96, developed by the U.S. Geological Survey. The top layer consists of specified-head cells simulating the surficial aquifer system as a source-sink layer. The second layer simulates the intermediate aquifer system in southwest Florida and the intermediate confining unit where it is present. The third and fourth layers simulate the Upper and Lower Floridan aquifers, respectively. Steady-state groundwater flow conditions were approximated for time-averaged hydrologic conditions from August 1993 through July 1994 (1993-94). This period was selected based on data from Upper Floridan aquifer wells equipped with continuous waterlevel recorders. The grid used for the groundwater flow model was uniform and composed of square 5,000-foot cells, with 210 columns and 300 rows. The active model area, which encompasses about 40,800 square miles in peninsular Florida, includes areas of various physiographic regions classified according to natural features. Hydrogeologic conditions vary among physiographic regions, requiring different approaches to Hydrologic conditions reflected by the time average from August 1993 to July 1994 (1993-94) potentiometric-surface maps, groundwater withdrawals, and water-level and spring flow measurements constitute the steady-state approximation referenced in this report. The rationale for selecting the 1993-94 period is explained later in the report.

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“…Average drainage-well recharge rates for a particular period of time are strongly correlated to the amount of precipitation during that period (Sepúlveda, 2002, p. 34). Sepúlveda (2002, p. 34-35) estimated average drainage-well recharge rates for the period August 1993 through July 1994 based on a reanalysis of data reported by CH2M Hill (1997) and Bradner (1996) for wells in the Orlando metropolitan area, and extrapolated these data to wells outside the Orlando metropolitan area. Estimated drainage-well recharge rates specified in the present model ( fig.…”

Section: Pumping and Drainage Wellsmentioning

confidence: 99%

Hydrogeology and simulated effects of ground-water withdrawals from the Floridan aquifer system in Lake County and in the Ocala National Forest and vicinity, north-central Florida

Knowles¹,

O’Reilly²,

Adamski³

2002

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Temperature in degrees Fahrenheit (°F) may be converted to degrees Celsius (°C) as follows: °C=(°F-32)/1.8. Sea level: In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929 (NGVD of 1929)-a geodetic datum derived from a general adjustment of the first-order level nets of both the United States and Canada, formerly called Sea Level Datum of 1929. Altitude: In this report, altitude refers to distance above or below sea level. Horizontal coordinate information is referenced to the North American Datum of 1927 (NAD27).

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Estimation of recharge through selected drainage wells and potential effects from well closure, Orange County, Florida

Cited by 5 publications

References 13 publications

Simulation of the effects of rainfall and groundwater use on historical lake water levels, groundwater levels, and spring flows in central Florida

Simulation of the effects of rainfall and groundwater use on historical lake water levels, groundwater levels, and spring flows in central Florida

Simulation of ground-water flow in the Intermediate and Floridan aquifer systems in Peninsular Florida

Hydrogeology and simulated effects of ground-water withdrawals from the Floridan aquifer system in Lake County and in the Ocala National Forest and vicinity, north-central Florida

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