Physical Sciences and Mathematics Commons^™

Limnological Assistance For Lake Mead National Recreation Area: Quarterly Report, Period Ending September 30, 2010, Margaret N. Rees

Limnological Studies

Project 1

• Technical assistance with the implementation of the Interagency Monitoring Action Plan (I-MAP) for Quagga Mussels is ongoing. During this quarter, analysis was completed for 11 adult/juvenile samples from the winter 2009 – spring 2010 sampling. Two manuscripts related to the I-MAP were submitted to the peer-reviewed journal, Aquatic Invasions.

Project 2

• Topics and analyses have been approved for annual report development as prescribed by the Limnological and Aquatic Resource Monitoring and Research Plan for Lakes Mead and Mohave.
• Content, including links and photos for the front page, four limnology category web pages, and one associated page have been …

Lake Mead National Recreation Area Monitoring And Evaluation Of Sensitive Wildlife: Quartlerly Progress Report, Period Ending September 30, 2010, Margaret N. Rees

Wildlife Monitoring

Project 1. Relict Leopard Frog Monitoring, Management, and Research

• All milestones and deliverables are on schedule
• Reconnaissance conducted at sites in the Gold Butte during coordinated efforts with USGS
• Annual Project Review Presentation provided to Clark County
• Spring-season mark-recapture at Blue Point Spring completed this quarter
• Fall-season mark-recapture effort initiated

Project 2. Bald Eagle Winter Monitoring and Evaluation

• This project has been completed and all associated deliverables have been met

Project 3. Peregrine Falcon Monitoring and Evaluation

• This project has been completed and all final report deliverables have been met
• Presentations were given at the Raptor Research Foundation Annual Conference …

Nevada Interagency Volunteer Program: Helping Hands Across Public Lands – Phase Ii: Quarterly Progress Report, Period Covering July 1, 2010 To September 30, 2010, Margaret N. Rees

Get Outdoors Nevada

• The number of records in the volunteer database increased by 0.05% over the last quarter. The database now contains 7,669 records.
• Results show an average of 1,060 visits per month, and with an average of 2,597 pages viewed per month.
• Five National Public Lands Day events have been completed.
• The Interagency Volunteer Standard Operations Manual has been updated and revised.
• Get Outdoors Nevada supported six volunteer events in a variety of ways. These events utilized 630 volunteers whom contributed 3,686 hours of service.
• Preparations for the volunteer recognition banquet continued.

Front Matter

Journal of Digital Forensics, Security and Law

No abstract provided.

Masthead

Journal of Digital Forensics, Security and Law

No abstract provided.

Back Matter

Journal of Digital Forensics, Security and Law

No abstract provided.

The Trilinear Hamiltonian: A Zero-Dimensional Model Of Hawking Radiation From A Quantized Source, Paul D. Nation, Miles P. Blencowe

Dartmouth Scholarship

We investigate a quantum parametric amplifier with dynamical pump mode, viewed as a zero-dimensional model of Hawking radiation from an evaporating black hole. We derive the conditions under which the spectrum of particles generated from vacuum fluctuations deviates from the thermal spectrum predicted for the conventional parametric amplifier. We find that significant deviations arise when the pump mode (black hole) has emitted nearly half of its initial energy into the signal (Hawking radiation) and idler (in-falling particle) modes. As a model of black hole dynamics, this finding lends support to the view that late-time Hawking radiation contains information about the …

Formulation Of The Dutch Atmospheric Large-Eddy Simulation (Dales) And Overview Of Its Applications, Thijs Heus, C. C. Van Heerwaarden, Harmen J.J. Jonker, A. Pier Siebesma, S. Axelsen, K. Van Den Dries, O. Geoffroy, A. F. Moene, D. Pino, S. R. De Roode, J. Vilà-Guerau De Arellano

Physics Faculty Publications

The current version of the Dutch Atmospheric Large-Eddy Simulation (DALES) is presented. DALES is a large-eddy simulation code designed for studies of the physics of the atmospheric boundary layer, including convective and stable boundary layers as well as cloudy boundary layers. In addition, DALES can be used for studies of more specific cases, such as flow over sloping or heterogeneous terrain, and dispersion of inert and chemically active species. This paper contains an extensive description of the physical and numerical formulation of the code, and gives an overview of its applications and accomplishments in recent years.

Generalized Acoustic Energy Density And Its Applications, Buye Xu

Theses and Dissertations

The properties of acoustic kinetic energy density and total energy density of sound fields in lightly damped enclosures have been explored thoroughly in the literature. Their increased spatial uniformity makes them more favorable measurement quantities for various applications than acoustic potential energy density (or squared pressure), which is most often used. In this dissertation, a new acoustic energy quantity, the generalized acoustic energy density (GED), will be introduced. It is defined by introducing weighting factors, α and 1 − α, in the formulation of total acoustic energy density. With the additional degree of freedom, the GED can conform to the …

The Hamiltonian Index Of Graphs, Yi Hong, Jian-Liang Lin, Zhi-Sui Tao, Zhi-Hong Chen

Zhi-Hong Chen

The Hamiltonian index of a graph G is defined as h ( G ) = min { m : L m ( G ) is Hamiltonian } . In this paper, using the reduction method of Catlin [P.A. Catlin, A reduction method to find spanning Eulerian subgraphs, J. Graph Theory 12 (1988) 29–44], we constructed a graph H ̃ ( m ) ( G ) from G and prove that if h ( G ) ≥ 2 , then h ( G ) = min{ m : H ̃ ( m ) ( G ) has a spanning Eulerian subgraph …

Estimating Temporal Associations In Electrocorticographic (Ecog) Time Series With First Order Pruning, Haley Hedlin, Dana Boatman, Brian Caffo

Johns Hopkins University, Dept. of Biostatistics Working Papers

Granger causality (GC) is a statistical technique used to estimate temporal associations in multivariate time series. Many applications and extensions of GC have been proposed since its formulation by Granger in 1969. Here we control for potentially mediating or confounding associations between time series in the context of event-related electrocorticographic (ECoG) time series. A pruning approach to remove spurious connections and simultaneously reduce the required number of estimations to fit the effective connectivity graph is proposed. Additionally, we consider the potential of adjusted GC applied to independent components as a method to explore temporal relationships between underlying source signals. Both …

Estuarine Blue Infrastructure: Final Priority Conservation Areas For Chesapeake Bay And Its Tidal Tributaries And Back Bay – Version 2.0 (Revised 09/2010), Center For Coastal Resources Management, Virginia Institute Of Marine Science

Reports

This project is an extension of earlier efforts within the coastal zone of Virginia to build a platform for enhanced Blue and Green Infrastructure planning. This project is motivated by an interest in extending statewide conservation efforts into estuarine systems and recognition that land use decisions on the upland effect water quality and habitat health in the receiving waters. The project in its entirety has been accomplished in distinct parts. Part one develops a Cumulative Resource Assessment to evaluate the distribution of aquatic natural resources within waters of Virginia’s Chesapeake Bay waters, Back Bay of Virginia Beach, Virginia, and the …

Softening The Lower Crust: Modes Of Syn-Transport Transposition Around And Adjacent To A Deep Crustal Granulite Nappe, Parry Sound Domain, Grenville Province, Ontario, Canada, Nicholas Culshaw, Christopher Gerbi, Jeff Marsh

Earth Science Faculty Scholarship

The Parry Sound domain is a granulite nappe-stack transported cratonward during reactivation of the ductile lower and middle crust in the late convergence of the Mesoproterozoic Grenville orogeny. Field observations suggest the following with respect to the ductile sheath: (1) Formation of a carapace of transposed amphibolite facies gneiss derived from and enveloping the western extremity of the Parry Sound domain and separating it from high-strain gneiss of adjacent allochthons. This ductile sheath formed dynamically around the moving granulite nappe through the development of systems of progressively linked shear zones. (2) Transposition initiated by hydration (amphibolization) of granulite facies gneiss …

Xmm-Newton Observations Of Hd 189733 During Planetary Transits, Ignazio Pillitteri, Scott J. Wolk, Ofer Cohen, Vinay Kashyap, Heather Knutson, Carey M. Lisse, Gregory W. Henry

Information Systems and Engineering Management Research Publications

We report on two XMM-Newton observations of the planetary host star HD 189733. The system has a close in planet and it can potentially affect the coronal structure via interactions with the magnetosphere. We have obtained X-ray spectra and light curves from EPIC and the Reflection Grating Spectrometer on board XMM-Newton which we have analyzed and interpreted. We reduced X-ray data from the primary transit and secondary eclipse that occurred on 2007 April 17 and 2009 May 18, respectively. In the 2007 April observation, only variability due to weak flares is recognized. In 2009 HD 189733 exhibited an X-ray flux …

Journal Usage By Subject For Fiscal Year 2010, Michael A. Cerbo Ii

Technical Services Reports and Statistics

Journal holdings for the University Libraries are listed alphabetically by subject than authority title. Usage statistics for the fiscal year are included along with a cost per use where available. The information is taken from each vendor and incorporated in Serials Solutions 360 Counter.

Conserving The Pawtuckaway River Focus Area And Kennard Hill Focus Area : Final Report, Brian Hart

PREP Reports & Publications

The Piscataqua Region Estuaries Partnership provided $8,000 to support the Southeast Land Trust of New Hampshire’s land conservation work within the Pawtuckaway River and Kennard Hill Focus Areas, two areas identified by the Land Conservation Plan for New Hampshire’s Coastal Watershed. Through this grant, the Southeast Land Trust has: permanently conserved two parcels totaling 90.55 acres within the Pawtuckaway River Focus Area; entered into four agreements to acquire and conserve 221.4 acres within the Pawtuckaway River Focus Area and 190 acres within the Kennard Hill Focus Area; and facilitated, through the Wetlands Reserve Program, the protection of 60 acres within …

Evolving Outer Heliosphere: Large-Scale Stability And Time Variations Observed By The Interstellar Boundary Explorer, D. J. Mccomas, M. Bzowski, P. Frisch, G. B. Crew, M. A. Dayeh, R. Demajistre, H. O. Funsten, S. A. Fuselier, M. Gruntman, P. Janzen, M. A. Kubiak, G Livadiotis, Eberhard Moebius, D. B. Reisenfeld, Nathan A. Schwadron

Physics & Astronomy

The first all-sky maps of Energetic Neutral Atoms (ENAs) from the Interstellar Boundary Explorer (IBEX) exhibited smoothly varying, globally distributed flux and a narrow "ribbon" of enhanced ENA emissions. In this study we compare the second set of sky maps to the first in order to assess the possibility of temporal changes over the 6 months between views of each portion of the sky. While the large-scale structure is generally stable between the two sets of maps, there are some remarkable changes that show that the heliosphere is also evolving over this short timescale. In particular, we find that (1) …

Estimation Of Quality Adjusted Lifetime (Qal) Distribution., Biswabrata Pradhan Dr.

Doctoral Theses

Quality Adjusted Lifetime (QAL)Normally, overall survival time is considered as the end point for many clinical trials to study the effectiveness of different treatments. If the survival time passes through different health states, which differ in their quality of life, then other endpoints are also considered for treatment comparison, which incorporates both quality and duration of life. It is, therefore, necessary to provide a composite measure for comparison of different treatment choices, specially in the context of clinical trials, after taking into account both quality and duration of life. This issue has been first addressed by Gelber and coauthors in …

Optical Discovery Of An Apparent Galactic Supernova Remnant G159.6+7.3, Robert A. Fesen, Dan Milisavljevic

Dartmouth Scholarship

Deep Hα images of portions of a faint 3° × 4° Hα shell centered at l = 1596, b = 73 seen on the Virginia Tech Spectral Line Survey images revealed the presence of several thin emission filaments along its eastern limb. Low-dispersion optical spectra of two of these filaments covering the wavelength range of 4500-7500 Å show narrow Hα line emissions with velocities around –170 ± 30 km s^–1. Both the morphology and spectra of these filaments are consistent with a Balmer-dominated shock interpretation and we propose that these optical filaments indicate that the large Hα emission …

Neuronal Integration Of Dynamic Sources: Bayesian Learning And Bayesian Inference, Hava Siegelmann, Lars E. Holzman

Hava Siegelmann

One of the brain’s most basic functions is integrating sensory data from diverse sources. This ability causes us to question whether the neural system is computationally capable of intelligently integrating data, not only when sources have known, fixed relative dependencies but also when it must determine such relative weightings based on dynamic conditions, and then use these learned weightings to accurately infer information about the world. We suggest that the brain is, in fact, fully capable of computing this parallel task in a single network and describe a neural inspired circuit with this property. Our implementation suggests the possibility that …

Determining Patterns Of Abrupt Climate Change During The Last Glacial-Interglacial Transition (Lgit) In The Southern Hemisphere, Marcus J. Vandergoes, Ann Dieffenbacher-Krall

University of Maine Office of Research Administration: Grant Reports

This proposal will fund the development of a continuous, isotopically-dated paleochironomid and pollen record of deglacial climate fluctuations from lake sediments located in climatically sensitive sites along the Southern Alps, New Zealand. Detailed investigations will be carried out for the Last Glacial-Interglacial Transition (LGIT) at Boundary Stream Tarn, Quagmire Tarn, and Kettlehole Bog to establish the sequence of deglacial climate events and to facilitate comparisons with other well-dated northern and southern records.

The primary scientific objectives of the project are to determine: 1) the pattern and magnitude of past climate change; 2) whether changes recorded show an in-phase or out-of-phase …

Landmark Prediction Of Survival, Layla Parast, Tianxi Cai

Harvard University Biostatistics Working Paper Series

No abstract provided.

Comparison Of Flight And Ground Tests Of Environmental Degradation Of Misse-6 Suspecs Materials, Jr Dennison, John Prebola, Amberly Evans Jensen, Joshua L. Hodges

Conference Proceedings

The effects of prolonged exposure to the LEO space environment and charge-enhanced contamination on optical, thermal, and electron emission and transport properties of common spacecraft materials has been investigated by comparing pre- and post-flight characterization measurements. The State of Utah Space Environment & Contamination Study (SUSpECS) deployed in March 2008 on board the Materials International Space Station Experiment (MISSE-6) payload, was exposed for ~18 months on the exterior of the International Space Station (ISS), before retrieval in September 2009. A total of 165 samples were …

A Comparative Analysis Of Auditing Within The Healthcare Database, Richard E. Butler

Regis University Student Publications (comprehensive collection)

Healthcare database system utilization and processing demands are projected to increase significantly within the next decade due to governmental incentives, regulatory requirements, economic motivators and industry regulations. To that end, system engineers, architects, developers and solution providers will be pressured to meet these varied challenges while achieving or improving current system performance benchmarks. Healthcare database performance related to auditing has received little scholarly attention to date. A comparative analysis of two database auditing architectures is studied to identify efficiencies in auditing architectures within the healthcare domain. This study will explore and analyze native auditing supported by Microsoft's SQL Server 2008 …

Weakly Positioned Nucleosomes Enhance The Transcriptional Competency Of Chromatin, Yaakov Belch, Jingyi Yang, Yang Liu, Sridhar A. Malkaram, Rong Liu, Jean-Jack M. Riethoven, Istvan Ladunga

Department of Statistics: Faculty Publications

Background: Transcription is affected by nucleosomal resistance against polymerase passage. In turn, nucleosomal resistance is determined by DNA sequence, histone chaperones and remodeling enzymes. The contributions of these factors are widely debated: one recent title claims ‘‘… DNA-encoded nucleosome organization…’’ while another title states that ‘‘histone-DNA interactions are not the major determinant of nucleosome positions.’’ These opposing conclusions were drawn from similar experiments analyzed by idealized methods. We attempt to resolve this controversy to reveal nucleosomal competency for transcription.

Methodology/Principal Findings: To this end, we analyzed 26 in vivo, nonlinked, and in vitro genome-wide nucleosome maps/replicates by new, rigorous …

Eelgrass Distribution In The Great Bay Estuary For 2009 : Final Report, Frederick T. Short

PREP Reports & Publications

Eelgrass in the Great Bay Estuary in 2009 was once again present only in Great Bay itself and in Portsmouth Harbor. For the second year in a row, there was no eelgrass in Little Bay or in the Piscataqua River. In 2009, there was a continued loss of eelgrass biomass in Great Bay; there has been a 66.4% loss of biomass in Great Bay since 1996 and distribution is 30% less than in 1996. Although eelgrass distribution in Great Bay itself increased between 2008 and 2009, primarily due to continued expansion from natural seeding of bare areas, the Bay’s eelgrass …

A Low-Temperature Phase Of Bis(Tetrabutylammonium) Octa-L3-Chloridohexachlorido- Octahedro-Hexatungstate, Dean H. Johnston, Chris M. Brown, Andrew S. Yu, Judith C. Gallucci

Chemistry Faculty Scholarship

The article discusses the low-temperature phase of bis(tetrabutylammonium) octa-µ3-chlorido-hexachlorido-octahedro-hexa-tungstate, which undergoes a reversible phase transition at 268 K. The unit cells of the room- and low-temperature polymorphs of this compound are found to be closely related. The hydrocarbon chain of one of the tetrabutylammonium cations is found to be disordered at both 150 and 200 K.

Improved Magnetic Domain-Wall Control With Transverse Fields, Andrew Kunz

Physics Faculty Research and Publications

No abstract provided.

Orally Active Mmp-1 Sparing Α-Tetrahydropyranyl And Α-Piperidinyl Sulfone Matrix Metalloproteinase (Mmp) Inhibitors With Efficacy In Cancer, Arthritis, And Cardiovascular Disease, Daniel P. Becker, Thomas E. Barta, Louis J. Bedell, Terri L. Boehm

Chemistry: Faculty Publications and Other Works

α-Sulfone-α-piperidine and α-tetrahydropyranyl hydroxamates were explored that are potent inhibitors of MMP’s-2, -9, and -13 that spare MMP-1, with oral efficacy in inhibiting tumor growth in mice and left-ventricular hypertrophy in rats and in the bovine cartilage degradation ex vivo explant system. α-Piperidine 19v (SC-78080/SD-2590) was selected for development toward the initial indication of cancer, while α-piperidine and α-tetrahydropyranyl hydroxamates 19w (SC-77964) and 9i (SC-77774), respectively, were identified as backup compounds.

Drug Off-Target Effects Predicted Using Structural Analysis In The Context Of A Metabolic Network Model, Roger L. Chang, Lei Xie, Philip E. Bourne, Bernhard O. Palsson

Publications and Research

Recent advances in structural bioinformatics have enabled the prediction of protein-drug off-targets based on their ligand binding sites. Concurrent developments in systems biology allow for prediction of the functional effects of system perturbations using large-scale network models. Integration of these two capabilities provides a framework for evaluating metabolic drug response phenotypes in silico. This combined approach was applied to investigate the hypertensive side effect of the cholesteryl ester transfer protein inhibitor torcetrapib in the context of human renal function. A metabolic kidney model was generated in which to simulate drug treatment. Causal drug off-targets were predicted that have previously been …