Browsing Theses and Dissertations (Civil and Construction Engineering) by Author "Selker, John S."

Now showing items 1-5 of 5

Evaluation of techniques for on-farm monitoring of percolation and irrigation system performance

Louie, Michael J. (1998-01-06)

Efficient use of water in agricultural production involves accurate assessment and control of the quantity and spatial uniformity of excess percolation. Passive Capillary Samplers (PCAPS), which sample water from the v ...
Nitrate and pesticide transport under pear production in clay and sandy soil

Cao, Weidong (1994-12-06)

Groundwater contamination on irrigated land is of concern in this nation and around the world. In order to reduce the potential of groundwater contamination by agricultural practices such as irrigation, fertilizer and ...
Non-convective ion movement in unsaturated porous media

Kelly, Shaun Francis (1998-01-09)
Predicting nitrate concentrations in leachate resulting from land application of wastewater onto various crop systems including poplars

Motte, Marie Quitterie (1997-09-23)

Land application of industrial wastewater with high levels of nitrogen requires adequate management practices to prevent groundwater pollution by nitrates. In this study a predictive computerized model was developed fo ...
Simulating the effects of a capillary barrier using the two-dimensional variably saturated flow model SWMS-2D/HYDRUS-2D

Heiberger, Thilo Stefan (1996-05-20)