Search Results - "Zlotnik, V.A."

Entrapped air effects on dipole flow test in sand tank experiments: Hydraulic conductivity and head distribution by Zlotnik, V.A., Eisenhauer, D.E., Schlautman, D.J., Zurbuchen, B.R., Van Peursem, D.

“…The dipole flow test (DFT) was applied to investigate the effects of entrapped air on quasi-saturated hydraulic conductivity ( K) in a cylindrical aquifer…”
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Vadose zone lag time and potential 21st century climate change effects on spatially distributed groundwater recharge in the semi-arid Nebraska Sand Hills by Rossman, N.R., Zlotnik, V.A., Rowe, C.M., Szilagyi, J.

“…•A simple analytical approach is proposed to estimate vadose zone moisture lag time.•Lag times vary greatly depending on vadose zone thickness and climate…”
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Effects of anisotropy on the capture zone of a partially penetrating well by Zlotnik, V.A

“…Dimensional analysis is used to show the effects of aquifer anisotropy on capture zone geometry for a partially penetrating well that is screened from the top…”
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Geomorphic and hydrologic controls of dust emissions during drought from Yellow Lake playa, West Texas, USA by Sweeney, M.R., Zlotnik, V.A., Joeckel, R.M., Stout, J.E.

“…Numerous complex geomorphic and hydrologic factors have been identified that control dust emissions from playas, yet there are few measurements of dust…”
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Influence of aquifer heterogeneity and return flow on pumping test data interpretation by Kollet, S.J, Zlotnik, V.A

“…Analytical solutions of drawdown in unconfined aquifers are widely applied for determining the specific yield, S(y), and the horizontal and the vertical…”
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Effect of shallow penetration and streambed sediments on aquifer response to stream stage fluctuations (analytical model). [Erratum: Jan/Feb 2001, v. 39 (1), p. 3.] by Zlotnik, V.A, Huang, H

“…An analytical model of stream-aquifer interaction is proposed that considers the effects from a small degree of aquifer penetration and low-permeability…”
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Multi-level slug test in highly permeable formations. 2. Hydraulic conductivity identification, method verification, and field applications by Zlotnik, V.A, McGuire, V.L

“…Using the developed theory and modified Springer-Gelhar (SG) model, an identification method is proposed for estimating hydraulic conductivity from multi-level…”
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"A Stream Depletion Field Experiment," by Bruce Hunt, Julian Weir, and Bente Clausen, March-April 2001 issue, v. 39, no. 2: 283-289 by Kollet, S. J., Zlotnik, V.A., Ledder, G.

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Multi-level slug tests in highly permeable formations: 1. Modification of the Springer-Gelhar (SG) model by Zlotnik, Vitaly A., McGuire, Virginia L.

“…A multi-level slug test model and a method for the evaluation of vertical profiles of hydraulic conductivity in highly permeable formations are developed. A…”
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Dipole probe: design and field applications of a single-borehole device for measurements of vertical variations of hydraulic conductivity by Zlotnik, V.A. (University of Nebraska-Lincoln, Lincoln, NE.), Zurbuchen, B.R

“…A dipole probe (DP) for measuring vertical variations of hydraulic conductivity has been designed, constructed, and tested in field conditions. The…”
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Transport in fractured porous media with time-periodic boundary conditions by Logan, J.D., Zlotnik, V.A., Cohn, S.

“…We study a one-dimensional model of transport of a chemical tracer in a porous media with fracture zones. The medium is modeled by porous blocks separated by…”
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Sampling of non-point source contamination in high-capacity wells by Zlotnik, V.A, Spalding, R.F, Exner, M.E, Burbach, M.E

“…In order to ascertain the variability in analytical concentrations that could occur during pumping of high-capacity irrigation wells, nitrate and atrazine…”
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