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Filtering by: Creator Restrepo, Juan M. Remove constraint Creator: Restrepo, Juan M. Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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  • Information Theoretical Analysis of Self-Similar Trees

    Creator:
    Chunikhina, Evgenia V.
    Abstract:
    Tree-like patterns are ubiquitous in nature. Botanical trees, river networks, and blood systems are the most well-known examples of complex hierarchical systems met in observations. Interestingly, many of such systems exhibit statistical self-similarity. There are two main types of self-similarity: Horton self-similarity and Tokunaga self-similarity. Although there is an increased...
    Resource Type:
    Dissertation
    Full Text:
    : Information Theoretical Analysis of Self-Similar Trees Abstract approved: Juan M. Restrepo Tree-like

  • On the Dynamic Likelihood Approach to Data Assimilation for Stochastic Hyperbolic Geophysical Processes

    Creator:
    Foster, Dallas A.
    Abstract:
    Many geophysical phenomena exhibit complicated dynamics that, due to a variety of factors, diverge quickly from physical models. The arrival of new observations allows researchers to combine the model estimate with measurements in a statistical process called data assimilation to produce a revised estimate of the phenomenon. This assimilation of...
    Resource Type:
    Dissertation
    Full Text:
    : Juan M. Restrepo Yevgeniy Kovchegov Many geophysical phenomena exhibit complicated dynamics that, due

  • Proving Limit Theorems for Associated Random Variables via Stein's Method

    Creator:
    Jantai, Wasamon
    Abstract:
    Stein's method initially introduced in 1970 by C. Stein is a powerful technique for bounding the distance between the laws of two real-valued random variables. Stein's method has been used to prove distributional convergence to many standard probability distributions such as normal, multivariate normal, Poisson and Brownian motion approximation. In...
    Resource Type:
    Dissertation
    Full Text:
    Dascaliuc and Prof. Juan M. Restrepo, for their comments and suggestions. I also thank Miko laj Kasprzak

  • On Undular Bores and Solitary Waves in Variable Depth

    Creator:
    Knowles, Jeffrey N.
    Abstract:
    Numerical results are presented using a higher-order pseudo-spectral method in order to solve the Zakharov-Craig-Sulem formulation of the Euler model. We study the effects of variable bathymetry on weakly-dispersive, weakly-nonlinear, shallow water waves. Improved predictions on wave amplitude and shoaling behavior are developed by analytical means in the context of...
    Resource Type:
    Dissertation
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    committee members Dr. Jonathan Istok, Dr. Juan Restrepo, Dr. Eugene Zhang, Dr. Solomon Yim, Dr. Ralph

  • Nutrition screening for Chinese elderly

    Creator:
    Juan, WenYen D.
    Abstract:
    Nutrition and health-related risk factors could be identified through the implementation of the nutrition preventive strategies, such as nutrition screening, for the Chinese elderly population who are at high risk of malnutrition. Efficacious culturally sensitive nutrition assessment tools and nutrition screening tools hold the most essential value to assess the...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF Wen Yen D. Juan for the degree of

  • Submarine earthquakes, volcanic eruptions and ambient noise in the Northeast Pacific

    Creator:
    Haxel, Joseph H.
    Abstract:
    Passive hydrophone technologies and a variety of acoustic methods are applied in the deep-ocean and shallow water coastal environments of the northeast Pacific. A catalog derived from U.S. Navy regional hydrophone array recordings of acoustic T- phases from seafloor earthquakes is examined, describing space/time patterns through empirical orthogonal function analysis...
    Resource Type:
    Dissertation
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    seismicity occurring along the spreading ridges and transform fault boundaries of the Juan de Fuca plate

  • Patterns and dynamics of context-dependency in the marine rocky intertidal

    Creator:
    Berlow, Eric Layani
    Abstract:
    As ecologists are being called upon to predict the consequences of human perturbations to natural communities, an important goal is to understand what factors drive variability or consistency in nature. In the rocky intertidal of San Juan Island, Washington, a comparative experimental approach was used to investigate spatial and temporal...
    Resource Type:
    Dissertation
    Full Text:
    nature. In the rocky intertidal of San Juan Island, Washington, a comparative experimental approach

  • The Ocean Circulation and Carbon Cycle during the Last Glacial Maximum

    Creator:
    Muglia, Juan
    Abstract:
    During the Last Glacial Maximum (LGM, ∼ 21 ky before present) the atmospheric CO2 concentration was about 100 ppm lower than its pre-industrial (PI)value. The missing carbon from the atmosphere must have been stored in thedeep ocean during this period, but the mechanisms driving such re-distribution ofthe carbon cycle are...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF Juan Muglia for the degree of Doctor of

  • Mass spectrometry-based identification and characterization of protein and peptide adducts of lipoxidation-derived aldehydes

    Creator:
    Chavez, Juan D.
    Abstract:
    Oxidative stress is recognized as an important underlying factor in the pathogenesis of many degenerative diseases as well as normal senescence. The free radicals, reactive oxygen species (ROS) and electrophiles produced during oxidative stress are capable of modifying nucleic acids, lipids and proteins. There are a variety of oxidative modifications...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Juan D. Chavez for the degree of Doctor of Philosophy in

  • Spectral analysis and ridge-regression of magnetic anomalies from the northern continental margin of the Yucatán Peninsula, Mexico

    Creator:
    Garcia-Abdeslem, Juan
    Abstract:
    Marine magnetic data from the northern Yucatan continental margin were used to obtain the radially-averaged power-density spectra (RAPDS) of 34 grids, each with dimensions of 128 by 128 km, overlapping 50 percent. Depths to the tops of three magnetic horizons were estimated from the slopes of linear segments in the...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE ThESIS OF Juan Garcia-Abdeslem for the