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Browsing Faculty Research Publications (School of Chemical, Biological and Environmental Engineering) by Title

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Browsing Faculty Research Publications (School of Chemical, Biological and Environmental Engineering) by Title

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  • Nason, Jeffrey A.; Bloomquist, Don J.; Sprick, Matthew S. (American Society of Civil Engineers, 2012-07)
    Highway stormwater runoff represents a significant source of dissolved copper to surface waters. It is well established that even low concentrations of dissolved copper can be toxic to many aquatic organisms. In the Pa ...
  • Steele‐Dunne, S. C.; Rutten, M. M.; Krzeminska, D. M.; Hausner, M.; Tyler, S. W.; Selker, J.; Bogaard, T. A.; van de Giesen, N. C. (American Geophysical Union, 2010-06-05)
    Through its role in the energy and water balances at the land surface, soil moisture is a key state variable in surface hydrology and land-atmosphere interactions. Point observations of soil moisture are easy to make usi ...
  • Sayde, Chadi; Gregory, Christopher; Gil‐Rodriguez, Maria; Tufillaro, Nick; Tyler, Scott; van de Giesen, Nick; English, Marshal; Cuenca, Richard; Selker, John S. (American Geophysical Union, 2010-06-05)
    Accurate methods are needed to measure changing soil water content from meter to kilometer scales. Laboratory results demonstrate the feasibility of the heat pulse method implemented with fiber optic temperature sensing ...
  • Selker, John; van de Giesen, Nick; Westhoff, Martijn; Luxemburg, Wim; Parlange, Marc B. (American Geophysical Union, 2006-12-19)
    A new approach to monitoring surface waters using distributed fiber optic temperature sensing is presented, allowing resolutions of temperature of 0.01°C every meter along a fiber optic cable of up to 10,000 m in length. ...
  • Louie, Michael J.; Shelby, Patrick M.; Smesrud, Jason S.; Gatchell, Lance O.; Selker, John S. (American Geophysical Union, 2000-09)
    Passive capillary samplers (PCAPS), which sample water from the vadose zone via a hanging water column in a fiberglass wick, have shown potential to provide superior estimates of soil water flux compared to alternative m ...
  • Selker, J.; Leclerq, P.; Parlange, J.-Y.; Steenhuis, T. (American Geophysical Union, 1992-09)
    Precise management of the changing matric potential during infiltration into unsaturated soil required the development of miniature, high-speed, planar tensiometers. A novel design was developed, with response time of le ...
  • Selker, J.; Parlange, J.-Y.; Steenhuis, T. (A merican Geophysical Union, 1992-09)
    An exact integral solution for the moisture profile in growing fingers in sandy soil is derived from Richards' equation. The solution provides moisture content along a finger as a function of position and time and provid ...
  • Han, Katherine; Han, Hai-Yue; Stack, James, Jr.; Chang, Chih-Hung (The Applied Computational Electromagnetics Society, 2014-01)
    The finite difference time domain (FDTD) method was used to model anti-reflective properties of a variety of sub-wavelength structures for 300 to 1300 nm input light. Light hitting non-tapered nanostructures exhibite ...
  • Han, Katherine; Freeman, Paul; Han, Hai-Yue; Hamar, Jacob; Stack, James F., Jr. (The Applied Computational Electromagnetics Society, 2014-06)
    Finite-difference time-domain simulations are performed on a 900 MHz band antenna inside and outside the carbon fiber body of a solar-powered electric vehicle. Data are analyzed to determine the optimal antenna placement ...
  • Jansik, D. P.; Wildenschild, D.; Rosenberg, N. D. (Soil Science Society of America, 2011-08-31)
    Engineered capillary barriers typically consist of two layers of granular materials designed so that the contrast in material hydraulic properties and sloping interface retain infiltrating water in the upper layer. We co ...
  • Rajachidambaram, Meena S.; Varga, Tamas; Kovarik, Libor; Sanghavi, Rahul; Shutthanandan, Vaithiyalingam; Thevuthasan, Suntharampillai; Han, Seung-Yeol; Chang, Chih-Hung; Herman, Gregory S. (AVS: Science & Technology of Materials, Interfaces, and Processing, 2012-07)
    The thermal oxidation of submicron metallic Zn particles was studied as a method to form nanostructured ZnO films. The particles used for this work were characterized by electron microscopy, x ray diffraction, and therma ...
  • Boll, Jan; Selker, John S.; Shalit, Gil; Steenhuis, Tammo S. (American Geophysical Union, 1997-12)
    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 ...
  • Walter, M. T.; Kim, J.-S.; Steenhuis, T. S.; Parlange, J.-Y.; Heilig, A.; Braddock, R. D.; Selker, J. S.; Boll, J. (American Geophysical Union, 2000-04)
    Artificial capillary barriers are being used to divert water away from sensitive underground regions. Conversely, funneled flow over natural capillary barriers may increase the danger of groundwater contamination by decr ...
  • Ferre, Ty P. A.; Selker, John S. (American Geophysical Union, 2007-12-21)
    A new apparatus is presented that is capable of applying a constant fluid pressure at inflow and outflow boundaries. The apparatus can be refilled during operation and does not rely on an overflow mechanism. The device i ...
  • Selker, John S.; Duan, Jinfan; Parlange, Jean-Yves (American Geophysical Union, 1999-05)
    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 i ...
  • Vas-Umnuay, Paravee; Chang, Chih-hung (The Electrochemical Society, 2013-01-28)
    Copper sulfides (CuxS) are compound semiconductor materials that exhibit considerable variations of optical and electrical properties. Copper sulfide thin films can be used in many applications, such as solar control coa ...
  • Kim, Ki-Joong; Li, Yong Jun; Kreider, Peter B.; Chang, Chih-Hung; Wannenmacher, Nick; Thallapally, Praveen K.; Ahn, Ho-Geun (Royal Society of Chemistry, 2013-12-21)
    The reaction conditions for the synthesis of Cu-BTC (BTC = benzene-1,3,5-tricarboxylic acid) were elucidated using a continuous-flow microreactor-assisted solvothermal system to achieve crystal size and phase control. A ...
  • Widrlechner, Mark P.; Daly, Christopher; Keller, Markus; Kaplan, Kim (American Society for Horticultural Science, 2012-02)
    The accurate prediction of winter injury caused by low-temperature events is a key component of the effective cultivation of woody and herbaceous perennial plants. A common method employed to visualize geographic pattern ...
  • Schlüter, Steffen; Sheppard, Adrian; Brown, Kendra; Wildenschild, Dorthe (American Geophysical Union, 2014-04-25)
    Easier access to X-ray microtomography (lCT) facilities has provided much new insight from high-resolution imaging for various problems in porous media research. Pore space analysis with respect to functional propertie ...
  • Yarwood, R. R.; Rockhold, M. L.; Niemet, M. R.; Selker, J. S.; Bottomley, P. J. (American Geophysical Union, 2006-10-05)
    A novel analytical method was developed that permitted real-time, noninvasive measurements of microbial growth and associated changes in hydrodynamic properties in porous media under unsaturated flowing conditions. Salic ...

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