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Filtering by: Creator Steenhuis, Tammo S. Remove constraint Creator: Steenhuis, Tammo S. Academic Affiliation Civil Engineering Remove constraint Academic Affiliation: Civil Engineering

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Simulating the effects of a capillary barrier using the two-dimensional variably saturated flow model SWMS-2D/HYDRUS-2D

Creator:

Heiberger, Thilo Stefan

Resource Type:

Masters Thesis

Full Text:

-2D. Abstract approved: John S. Selker Engineering applications of a capillary barrier system an
Nitrate and pesticide transport under pear production in clay and sandy soil

Creator:

Cao, Weidong

Abstract:

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 pesticide application, vadose-zone monitoring and sampling are needed. The main objective of this study was to evaluate impacts...

Resource Type:

Masters Thesis

Full Text:

Production in Clay and Sandy Soil Abstract Approved: n S. Selker, Assistant Professor Groundwater
Evaluation of techniques for on-farm monitoring of percolation and irrigation system performance

Creator:

Louie, Michael J.

Abstract:

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 vadose zone have shown potential to provide superior estimates of soil water flux compared to alternative methods. In a four-year...

Resource Type:

Masters Thesis

Full Text:

approved: John S. Selker Abstract approved: Jonathan D. Istok Efficient use of water in agricultural
Multiphase flow in homogeneous and bedded porous media

Creator:

Schroth, Martin H.

Resource Type:

Dissertation

Full Text:

make up this dissertation. Dr. John S. Selker, my Minor Advisor and research project Principal
Experimental design of physical aquifer models for evaluation of groundwater remediation strategies

Creator:

Humphrey, Mark D.

Abstract:

Groundwater resources have become seriously threatened due to improper use by industrial, municipal, and even public sectors. Widespread contamination of aquifer systems has jeopardized human health and the environment and methods for restoring these systems are needed. Biological and chemical in situ remediation, where contaminants are degraded within the natural...

Resource Type:

Masters Thesis

Full Text:

unique regarding behavior of the pollutant(s), geologic setting, biological and chemical activities

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Academic Affiliation

Civil Engineering[remove]5

Advisor

Istok, Jonathan D.3
Selker, John S.3

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1993 to 1998

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Committee Member

Baham, John2
English, Marshall2
Beschta, R.1
Cuenca, Richard1
Istok, J.1
more Committee Members »

Creator

Cao, Weidong1
Heiberger, Thilo Stefan1
Humphrey, Mark D.1
Louie, Michael J.1
Schroth, Martin H.1

Date

Date range begin – Date range end

Current results range from 1992 to 1998

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Decade

1990-19995

Degree Field

Civil Engineering4
Bioresource Engineering1

Degree Level

Master's4
Doctoral1

Degree Name

Master of Science (M.S.)4
Doctor of Philosophy (Ph.D.)1

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Masters Thesis4
Dissertation1

Rights Statement

Copyright Not Evaluated5

Subject

Groundwater -- Pollution1
Groundwater -- Pollution -- Prevention -- Computer simulation1
Groundwater -- Purification1
Irrigation -- Evaluation1
Multiphase flow1
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