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Filtering by: Subject Adsorption Remove constraint Subject: Adsorption Advisor Selker, John S. Remove constraint Advisor: Selker, John S.

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Characterization of hydrologic parameters and processes in shrink-swell clay soils

Creator:

Stewart, Ryan D.

Abstract:

Vertisols and other vertic-intergrade soils are found all over the globe, including many agricultural and urban areas. These soils are characterized by their cyclical shrinking and swelling behaviors, where bulk density and porosity distribution both vary as functions of time and/or soil moisture. In turn, alterations in physical soil parameters...

Resource Type:

Dissertation
Interactions between microbial dynamics and transport processes in soils

Creator:

Rockhold, Mark L.

Abstract:

An experimental and numerical modeling investigation was conducted to study interactions between microbial dynamics and transport processes in variably saturated porous media. These interactions are important in a variety of applied problems such as water and wastewater treatment, bioremediation, and oil-field recovery operations. These processes and interactions also have great...

Resource Type:

Dissertation

Full Text:

properties of variably saturated porous media. Location of adsorption or accumulation Possible effects Gas
Transport of water and solutes from tile-drained fields in the Willamette Valley, Oregon : A field scale study

Creator:

Warren, Kristina

Abstract:

Tile drainage increases aeration in the root zone of poorly drained soils by accelerating water movement from the subsurface. Water movement is the main agent of chemical transport, either transporting soluble materials directly (e.g., nitrate) or by transporting the soil particles that bind adsorptive compounds (e.g., pesticides). The detection frequency...

Resource Type:

Masters Thesis
Observations of gas flow in porous media using the light transmission technique

Creator:

Parker, Laila Belkov

Abstract:

A novel technique was developed for studying gas phase flow in unsaturated porous media. Carbon dioxide was pumped through a back-lit chamber packed with translucent sand which was variably saturated with water containing the pH indicator dye methyl red. As the carbon dioxide dissolved in the pore water, lowering the...

Resource Type:

Masters Thesis

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Academic Affiliation

Bioresource Engineering2

Advisor

Selker, John S.[remove]4

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2003 to 2013

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Committee Member

Abou Najm, Majdi R.1
Bottomley, Peter1
Cuenca, Richard1
Dragila, Maria I.1
English, Marshall1
more Committee Members »

Creator

Parker, Laila Belkov1
Rockhold, Mark L.1
Stewart, Ryan D.1
Warren, Kristina1

Date

Date range begin – Date range end

Current results range from 2002 to 2013

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Decade

2010-20191
2000-20093

Degree Field

Bioresource Engineering2
Water Resources Engineering2

Degree Level

Doctoral2
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)2
Master of Science (M.S.)2

Language

English [eng]4

License

All rights reserved3

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation2
Masters Thesis2

Rights Statement

In Copyright3
Copyright Not Evaluated1

Subject

Carbon cycle (Biogeochemistry) -- Mathematical models1
Clay soils1
Gases -- Absorption and adsorption1
Gases -- Optical properties1
Gases -- Transport properties1
more Subjects »

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