Index Catalog // ScholarsArchive@OSU

The Effects of Biofilm on Sandy Soil Hydrology

Creator:: Runion, Danielle N.
Abstract:: It is known that soil biota affects water dynamics through various complex mechanisms. The impact on retention by soil biota are due to a combination of changes to pore geometry, pore clogging by biofilms, biofilms that serve to connect thin water films across many pores as the soil dries, and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Danielle N

Approaches for Characterizing Plant Physiological Responses to Environmental Stress

Creator:: Marias, Danielle E.
Abstract:: It is uncertain how predicted changes in climate will impact vegetation responses and plant species’ distributions because the physiological mechanisms underlying thresholds for damage are not well understood, and responses to stress vary by functional type and developmental stage. Thus, it is crucial to investigate physiological responses to heat and...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Danielle E. Marias for the degree of Doctor of Philosophy in

Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree ring C and O stable isotopes

Creator:: Marias, Danielle E.
Abstract:: Dwarf mistletoes, obligate, parasitic plants with diminutive aerial shoots, have long-term effects on host tree water relations, hydraulic architecture, and photosynthetic gas exchange and can eventually lead to tree death. To investigate the long-term impacts of dwarf mistletoe on gas exchange of host western hemlock trees, I compared growth, gas...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Danielle E. Marias for the degree of Master of Science in Forest

Flow processes in the dry regime : the effect on capillary barrier performance

Creator:: Jansik, Danielle P.
Abstract:: Engineered capillary barriers typically consist of two layers of granular materials designed so that the contrast in sediment hydrologic properties and sloping interface retains infiltrating water in the upper layer. We report here on the results of two bench-top capillary barrier experiments, and associated modeling. These experiments were conducted to...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Danielle P. Jansik

Maria Susanna Cummins' "The Lamplighter" : a revisioning of a sentimental writer of the nineteenth-century United States as rhetor, social critic, and feminist

Creator:: Steinert, Laura
Abstract:: Within The Lamplighter, a novel written in 1854, Maria Susanna Cummins defines a version of the sentimental novel that significantly differs from the prescriptive analysis male critics have offered for the genre. This thesis argues that feminist theory and recent rhetorical theory have caused a critical paradigm shift that has...
Resource Type:: Masters Thesis
Full Text:: Maria Susanna Cummins' "The Lamplighter" : a revisioning of a

Plot-Scale Field Investigation : Characterizing Water Motion in Sandy Agricultural Soils

Creator:: Nolasco, Stephanie M.
Abstract:: Irrigated agricultural production in sandy soils presents several unique challenges to growers, including naturally high permeability, low native water retention, as well as high rates of water drainage losses and leaching of chemicals to the shallow aquifers. This study is an initial investigation into water motion in the sandy agricultural...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Maria I. Dragila

Migration of E. coli and solutes to tile drains via preferential and matrix flow

Creator:: Moreno, Daniel
Abstract:: The extent of agricultural drainage has created concern for its potential undesirable effects on surface water quality. Land applications of liquid manure on tile drain fields have the potential to transport solutes and bacteria to the drains following precipitation or irrigation events and many times are directly sent to a...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Soil Science presented on March 21, 2002. Tittle: Migration of E. co/i and Solutes

Assessing Managed Aquifer Recharge Potential: Regional to Local Evaluation

Creator:: Gibson, Maria
Abstract:: Although surface water constitutes less than 1.5% of freshwater supply, historical development of surface water sources continues to mark the landscape. However, over- exploitation of groundwater is now at its highest, and 25% of the world’s 1.7 billion population live in water scare regions. As glaciers and snowpack disappear due...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Maria Gibson for the degree of Doctor of Philosophy in Water Resources Science presented

Mathematical Investigation of Evaporation Synergy in Bi-Texture Soil Columns as a Function of Column Width

Creator:: Sumner, Michael J.
Abstract:: Evaporation synergy is a phenomenon that occurs between different classes of soil and allows for a greater amount/quantity of soil water evaporation. 20 of the 66 soil texture class combinations have been shown to exhibit evaporation synergy (Fisher, 2012), however the impact of column width on the functionality of this...
Resource Type:: Honors College Thesis
Full Text:: Approved: Maria Dragila Evaporation synergy is a phenomenon that occurs between different

Infestation Patterns of Choanoflagellates on Pseudo-Mitzschia

Creator:: de Vore, Samantha
Abstract:: Pseudo-Nitzschia (P/N) is a species of naturally occurring phytoplankton that contributes to harmful algal blooms (HABs) in the California Current System (CCS). P/N can produce domoic acid (DA), a toxin which accumulates in organisms that consume phytoplankton, leading to amnesiac shellfish poisoning in higher trophic levels. Thus DA can negatively...
Resource Type:: Poster
Full Text:: Choanoflagellates on Pseudo-Nitzschia Samantha de Vore, Dr. Maria Kavanaugh College of Earth, Ocean, and

ScholarsArchive@OSU

The Effects of Biofilm on Sandy Soil Hydrology

Approaches for Characterizing Plant Physiological Responses to Environmental Stress

Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree ring C and O stable isotopes

Flow processes in the dry regime : the effect on capillary barrier performance

Maria Susanna Cummins' "The Lamplighter" : a revisioning of a sentimental writer of the nineteenth-century United States as rhetor, social critic, and feminist

Plot-Scale Field Investigation : Characterizing Water Motion in Sandy Agricultural Soils

Migration of E. coli and solutes to tile drains via preferential and matrix flow

Assessing Managed Aquifer Recharge Potential: Regional to Local Evaluation

Mathematical Investigation of Evaporation Synergy in Bi-Texture Soil Columns as a Function of Column Width

Infestation Patterns of Choanoflagellates on Pseudo-Mitzschia

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