Now showing items 39741-39750 of 41314
Noble Gases Dissolved in Groundwaters of the Michigan Basin: Implications for Paleoclimatology, Hydrogeology, Tectonics and Mantle Geochemistry.
(2009)
This dissertation uses noble gases dissolved in groundwaters of the Michigan Basin as natural tracers of crustal fluids, to reconstruct paleoclimate, to study cross-formation flow, to trace the origin and evolution of deep ...
Sustainable Pavement Asset Management Based on Life Cycle Models and Optimization Methods.
(2009)
Pavement systems provide critical infrastructure services to society but also pose significant impacts related to high material consumption, energy inputs, and capital investment. A new pavement asset management approach, ...
Optical Galaxy Cluster Detection across a Wide Redshift Range.
(2009)
Galaxy clusters can be used as a sensitive probe for cosmology. A large cluster catalog that extends to high redshift with well measured masses is indispensable for precisely constraining
cosmological parameters. Detecting ...
The Differences are in the Details: The Mechanism of Flavin Reduction in Class 1A and Class 2 Dihydroorotate Dehydrogenases.
(2009)
Several flavoproteins catalyze very similar oxidation/reduction reactions in pyrimidine metabolism. One such enzyme is dihydroorotate dehydrogenase (DHOD), which catalyzes the only redox step in de novo pyrimidine ...
Contributions to Modeling the Dynamic Association Structure in Longitudinal Data Sets.
(2010)
This dissertation considers several modeling problems involving
clustered longitudinal data. Interest focuses on the association
structure rather than the means and, in particular, on its change over
time. Concentration ...
Effects of Natural Disturbances Caused by the Siberian Moth, Dendrolimus Superans Sibiricus (Tschetverikov), and Fire on the Dynamics of Boreal Forests in Krasnoyarsk Krai, Russia.
(2008)
The effects of fire and Siberian moth, Dendrolimus superans sibiricus (Tschetverikov), (Lepidoptera:Lasiocampidae) defoliation on overstory and understory composition and structure, carbon flux, and conifer regeneration ...
The Coherent Optical Spectroscopy and Control of an Electron Spin in a Self-Assembled Quantum Dot for Quantum Computing.
(2009)
Self-assembled quantum dots (QDs) containing a single electron are one of the leading candidate systems for the realization of a quantum computer. The spin states of charges confined in these dots have been shown to possess ...
From Food Security to Farm to Formicidae: Belo Horizonte, Brazil's Secretaria Municipal de Abastecimento and Biodiversity in the Fragmented Atlantic Rainforest.
(2009)
Widespread food insecurity and rapid biodiversity loss are two of the most serious problems facing the world today. My work in this area focuses on two important questions: how can we address hunger in a world that ...
Derivations on Metric Measure Spaces.
(2008)
In this thesis we study derivations on metric spaces with a prescribed measure. Such objects share similar properties as vector fields on smooth manifolds, such as a locality property and a pushforward construction.
Our ...
Remote Sensing of CO2: Geostatistical Tools for Assessing Spatial Variability, Quantifying Representation Errors, and Gap-Filling.
(2009)
Currently, approximately half of the anthropogenic emissions of CO2 are absorbed by oceans and the terrestrial biosphere, thus greatly reducing the rate of atmospheric CO2 increase and related climate change. The current ...