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Browsing Department of Biological and Ecological Engineering by Author "Selker, John S."

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Browsing Department of Biological and Ecological Engineering by Author "Selker, John S."

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  • Hausner, Mark B.; Suarez, Francisco; Glander, Kenneth E.; van de Giesen, Nick; Selker, John S.; Tyler, Scott W. (Multidisciplinary Digital Publishing Institute, 2011-11)
    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 co ...
  • Stewart, Ryan D.; Abou Najm, Majdi R.; Rupp, David E.; Selker, John S. (Soil Science Society of America, 2012-07)
    Current laboratory methods for determining volume and bulk density of soil clods include dipping saran-coated clods in water (a destructive process due to the permanent coating), performing physical measurements on sampl ...
  • Sayde, Chadi; Benitez Buelga, Javier; Rodriguez-Sinobas, Leonor; El Khoury, Laureine; English, Marshall; van de Giesen, Nick; Selker, John S. (American Geophysical Union, 2014-09)
    The Actively Heated Fiber Optic (AHFO) method is shown to be capable of measuring soil water content several times per hour at 0.25 m spacing along cables of multiple kilometers in length. AHFO is based on distributed ...
  • Stewart, Ryan D.; Abou Najm, Majdi R.; Rupp, David E.; Selker, John S. (Soil Science Society of America, 2012-05)
    Shrinkage cracks in soil function as a dominant control on the partitioning and distribution of moisture fluxes in the vadose zone. Their dynamics influence moisture balance and control water availability for runoff, dee ...
  • Stewart, Ryan D.; Rupp, David E.; Abou Najm, Majdi R.; Selker, John S. (American Geophysical Union, 2013-10-28)
    A soil’s capillarity, associated with the parameter sorptivity, is a dominant control on infiltration, particularly at the onset of rainfall or irrigation. Many mathematical models used to estimate sorptivity are only ...
  • Steenhuis, Tammo S.; Baver, Christine E.; Hasanpour, Bahareh; Stoof, Cathelijne R.; DiCarlo, David A.; Selker, John S. (American Geophysical Union, 2013-11-22)
    To explain the dynamic behavior of the matric potential at the wetting front of gravity driven fingers, we take into account the pressure across the interface that is not continuous and depends on the radius of the men ...

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