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The importance of hydraulic groundwater theory in catchment hydrology: The legacy of Wilfried Brutsaert and Jean-Yves Parlange

Creator:: Troch, Peter A., Berne, Alexis, Bogaart, Patrick, Harman, Ciaran, Hilberts, Arno G. J., Lyon, Steve W., Paniconi, Claudio, Pauwels, Valentijn R. N., Rupp, David E., Selker, John S., Teuling, Adriaan J., Uijlenhoet, Remko, and Verhoest, Niko E. C.
Abstract:: Based on a literature overview, this paper summarizes the impact and legacy of the contributions of Wilfried Brutsaert and Jean-Yves Parlange (Cornell University) with respect to the current state-of-the-art understanding in hydraulic groundwater theory. Forming the basis of many applications in catchment hydrology, ranging from drought flow analysis to surface...
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Full Text:: groundwater theory in catchment hydrology: The legacy of Wilfried Brutsaert and Jean-Yves Parlange Peter A

Green and Ampt infiltration into soils of variable pore size with depth

Creator:: Selker, John S., Duan, Jinfan, and Parlange, Jean-Yves
Abstract:: Most expressions for infiltration rely upon the assumption of vertical uniformity in soil texture and hydraulic properties. We present an extension of the results of Beven [1982, 1984] for infiltration and lateral flow in soils with decreasing permeability with depth. Unlike Beven, we base the derivations upon joint changes in...
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Full Text:: Green and Ampt infiltration into soils of variable pore

Suction cup sampler bias in leaching characterization of an undisturbed field soil

Creator:: Brandi-Dohrn, Florian M., Dick, Richard P., Hess, Mario, and Selker, John S.
Abstract:: An accurate assessment of leaching losses in the vadose zone requires measurement of both solute and water flux to compute flux concentrations (C[subscript F]). Leachate collected at a depth of 1.2 m in 32 passive capillary samplers (PCAPS), which sample soil-pore water continuously at tensions of 0–50 cm H₂O was...
Resource Type:: Article
Full Text:: of an Undisturbed Field Soil WATER RESOURCES RESEARCH, VOL. 32, NO. 5, PAGES 1173-1182, MAY 1996

Hillslope run-off thresholds with shrink-swell clay soils

Creator:: Stewart, Ryan D., Abou Najm, Majdi R., Rupp, David E., Lane, John W., Uribe, Hamil C., Luis Arumí, José, and Selker, John S.
Abstract:: Irrigation experiments on 12 instrumented field plots were used to assess the impact of dynamic soil crack networks on infiltration and run-off. During applications of intensity similar to a heavy rainstorm, water was seen being preferentially delivered within the soil profile. However, run-off was not observed until soil water content...
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Full Text:: that quantitatively describe the hydrology of a vertic soil. ACKNOWLEDGEMENTS This work was supported

Environmental temperature sensing using Raman spectra DTS fiber-optic methods

Creator:: Tyler, Scott W., Selker, John S., Hausner, Mark B., Hatch, Christine E., Torgersen, Thomas, Thodal, Carl E., and Schladow, S. Geoffrey
Abstract:: Raman spectra distributed temperature sensing (DTS) by fiber-optic cables has recently shown considerable promise for the measuring and monitoring of surface and near-surface hydrologic processes such as groundwater–surface water interaction, borehole circulation, snow hydrology, soil moisture studies, and land surface energy exchanges. DTS systems uniquely provide the opportunity to monitor...
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Full Text:: ] for thorough reviews and analyses of thermal methods in near-surface hydrology). Measurement systems

Calibrating Single-Ended Fiber-Optic Raman Spectra Distributed Temperature Sensing Data

Creator:: Hausner, Mark B., Suarez, Francisco, Glander, Kenneth E., van de Giesen, Nick, Selker, John S., and Tyler, Scott W.
Abstract:: Hydrologic research is a very demanding application of fiber-optic distributed temperature sensing (DTS) in terms of precision, accuracy and calibration. The physics behind the most frequently used DTS instruments are considered as they apply to four calibration methods for single-ended DTS installations. The new methods presented are more accurate than...
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Full Text:: the advent of these systems. In hydrology, DTS systems have been used to observe temperatures in

Late-time drainage from a sloping Boussinesq aquifer

Creator:: Bogaart, Patrick W., Rupp, David E., Selker, John S., and van der Velde, Ype
Abstract:: Numerical solutions to the nonlinear Boussinesq equation, applied to a steeply sloping aquifer and assuming uniform hydraulic conductivity, indicate that late-time recession discharge decreases nearly linearly in time. When recession discharge is characterized by -dQ/dt=aQ[superscript b], this is equivalent to constant dQ/dt or b=0. This result suggests that a previously...
Resource Type:: Article
Full Text:: . Kirkby (1979), A physically based, variable contrib- uting area model of basin hydrology, Hydrol. Sci. J

Frequency distribution of water and solute transport properties derived from Pan sampler data

Creator:: Boll, Jan, Selker, John S., Shalit, Gil, and Steenhuis, Tammo S.
Abstract:: Modeling of water and solute movement requires knowledge of the nature of the spatial distribution of transport parameters. Only a few of the field experiments reported in the literature contained enough measurements to discriminate statistically between lognormal and normal distributions. To obtain statistically significant data sets, six field experiments at...
Resource Type:: Article
Full Text:: Frequency distribution of water and solute transport

High-resolution fibre-optic temperature sensing: A new tool to study the two-dimensional structure of atmospheric surface-layer flow

Creator:: Thomas, Christoph K., Kennedy, Adam M., Selker, John S., Moretti, Ayla, Schroth, Martin H., Smoot, Alexander R., Tufillaro, Nicholas B., and Zeeman, Matthias J.
Abstract:: We present a novel approach based on fibre-optic distributed temperature sensing (DTS) to measure the two-dimensional thermal structure of the surface layer at high resolution (0.25 m, ≈ 0.5 Hz). Air temperature observations obtained from a vertically oriented fibre optics array of approximate dimensions 8 m x 8 m and...
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Full Text:: to study the two-dimensional structure of atmospheric2 surface-layer flow3 Christoph K. Thomas· Adam

Carbon monoxide as a tracer of gas transport in snow and other natural porous media

Creator:: Huwald, Hendrik, Selker, John S., Tyler, Scott W., Calaf, Marc, van de Giesen, Nick C., and Parlange, Marc B.
Abstract:: The movement of air in natural porous media is complex and challenging to measure. Yet gas transport has important implications, for instance, for the evolution of the seasonal snow cover and for water vapor transport in soil. A novel in situ multi-sensor measurement system providing high-resolution observation of gas transport...
Resource Type:: Article
Full Text:: Carbon monoxide as a tracer of gas

ScholarsArchive@OSU

The importance of hydraulic groundwater theory in catchment hydrology: The legacy of Wilfried Brutsaert and Jean-Yves Parlange

Green and Ampt infiltration into soils of variable pore size with depth

Suction cup sampler bias in leaching characterization of an undisturbed field soil

Hillslope run-off thresholds with shrink-swell clay soils

Environmental temperature sensing using Raman spectra DTS fiber-optic methods

Calibrating Single-Ended Fiber-Optic Raman Spectra Distributed Temperature Sensing Data

Late-time drainage from a sloping Boussinesq aquifer

Frequency distribution of water and solute transport properties derived from Pan sampler data

High-resolution fibre-optic temperature sensing: A new tool to study the two-dimensional structure of atmospheric surface-layer flow

Carbon monoxide as a tracer of gas transport in snow and other natural porous media

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