Index Catalog // ScholarsArchive@OSU

Effects of aerosols on the properties of deep convective clouds

Creator:: Brown, Daniel A.
Abstract:: Aerosols are tiny particles that serve as nuclei for cloud droplet and ice crystal formation. Increases in aerosol concentration lead to clouds with smaller but more numerous droplets. Some recent studies have found evidence that ice crystal size in deep convective clouds is also reduced by elevated aerosol concentrations. In...
Resource Type:: Masters Thesis
Full Text:: formation. Increases in aerosol concentration lead to clouds with smaller but more numerous droplets

A complex signal to noise problem : determining the aerosol indirect effect from observations of ship tracks in AVHRR data

Creator:: Walsh, Christopher D.
Abstract:: Cloud reflectivity is a function of cloud liquid water content and droplet number concentration. Since cloud droplets form around pre-existing aerosol particles, cloud droplet number concentration depends on the availability of particles that can serve as cloud condensation nuclei. Given constant liquid water amount, increased availability of cloud condensation nuclei...
Resource Type:: Masters Thesis
Full Text:: Noise Problem: Determining the Aerosol Indirect Effect from Observations of Ship Tracks in AVHRR Data

Response of marine stratus to successive polluting events by ships

Creator:: Sechrist, B.
Abstract:: Ship tracks have proven to be an ideal laboratory for studying the response of marine stratocumulus to an increase in aerosol pollution. Here the response of already polluted marine stratocumulus to further pollution was examined by studying the clouds where two ship tracks cross. 78 crossings of ship tracks were...
Resource Type:: Masters Thesis
Full Text:: stratocumulus to an increase in aerosol pollution. Here the response of already polluted marine stratocumulus

Effects of solar heating on the indirect effect of aerosols as deduced from observations of ship tracks

Creator:: Christensen, Matthew W.
Abstract:: One kilometer Moderate Resolution Imaging Spectroradiometer (MODIS) observations for Terra (morning) and Aqua (afternoon) satellites were used to follow the morning to afternoon evolution of marine stratocumulus clouds that were affected by ship stack exhaust. The observations covered the summer months of 2002-2003 and August 2007 for marine layers off...
Resource Type:: Masters Thesis
Full Text:: . Low-level winds from the National Center for Environmental Prediction (NCEP) re-analyses were used

Assessing the effectiveness and environmental impacts of using natural flocculants to manage turbidity

Creator:: Kegley, Laura J.
Abstract:: The objective of this research was to determine the feasibility of using chitosan as a natural flocculant to control turbidity during in-stream construction work. A series of field tests in Oak Creek, Corvallis, OR were conducted in order to test the effectiveness for turbidity control and the environmental impacts of...
Resource Type:: Masters Thesis
Full Text:: and Environmental Impacts of Using Natural Flocculants to Manage Turbidity Abstract Approved: Dr

Ecological Consequences of Marine Debris: Understanding Large-Scale Species Transport on Tsunami Debris and Research Priorities in Oregon

Creator:: Gillman, Reva A.
Abstract:: The release of marine debris into the oceans and seas is a global issue of growing concern. These materials are harmful to marine environments and can also transport non-native species to novel habitats. Non-native species floating on marine litter is one of the lesser known impacts associated with marine debris....
Resource Type:: Masters Thesis
Full Text:: . Therefore, I characterized the distributional, environmental, and life history traits of the species

Nitrate leaching and model evaluation under winter cover crops

Creator:: Minshew, Hudson F.
Resource Type:: Masters Thesis
Full Text:: Agricultural production can have significant impacts on environmental quality. Understanding the underlying

Uranium and technetium bio-immobilization in intermediate-scale permeable reactive scale barriers

Creator:: Sapp, Mandy M.
Abstract:: Groundwater at Oak Ridge National Laboratory's Field Research Center (FRC) is contaminated with U(VI) and Tc(VII), has pH values as low as 3.3, and nitrate concentrations as high as 120 mM. The objective of this research was to determine if in-situ bio-immobilization is a viable treatment alternative for this water....
Resource Type:: Masters Thesis
Full Text:: . Environmental Health Considerations 5 1 .5.Treatment of Radionuclide Contaminated Groundwater 7 1.6

Limiting copper loss from treated wood in or near aquatic environments

Creator:: Mitsuhashi Gonzalez, June M.
Abstract:: Copper migration from treated wood has created concerns within the environmental community because of the potential effects of this heavy metal on aquatic organisms. Migration can be limited, to some extent, by more controlled treatments and by post-treatment processing, but these actions cannot completely overcome the problem. An alternative approach...
Resource Type:: Masters Thesis
Full Text:: environmental community because of the potential effects of this heavy metal on aquatic organisms. Migration

Use of Targeted and Non-Targeted Analysis to Study Complex PAH Environmental Mixtures

Creator:: Chibwe, Leah
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants formed from the incomplete combustion of organic material. These contaminants are of concern because of their widespread presence in the environment and toxic properties. In addition, PAHs encompass a class of diverse compounds with varying physicochemical properties and exist in the environment as...
Resource Type:: Dissertation
Full Text:: Environmental Mixtures. Abstract approved

ScholarsArchive@OSU

Effects of aerosols on the properties of deep convective clouds

A complex signal to noise problem : determining the aerosol indirect effect from observations of ship tracks in AVHRR data

Response of marine stratus to successive polluting events by ships

Effects of solar heating on the indirect effect of aerosols as deduced from observations of ship tracks

Assessing the effectiveness and environmental impacts of using natural flocculants to manage turbidity

Ecological Consequences of Marine Debris: Understanding Large-Scale Species Transport on Tsunami Debris and Research Priorities in Oregon

Nitrate leaching and model evaluation under winter cover crops

Uranium and technetium bio-immobilization in intermediate-scale permeable reactive scale barriers

Limiting copper loss from treated wood in or near aquatic environments

Use of Targeted and Non-Targeted Analysis to Study Complex PAH Environmental Mixtures

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