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Articles 1 - 30 of 74
Full-Text Articles in Physical Sciences and Mathematics
2014 Chesapeake Bay Sav Coverage, Sav Data Administrator, Virginia Institute Of Marine Science
2014 Chesapeake Bay Sav Coverage, Sav Data Administrator, Virginia Institute Of Marine Science
Data
Abstract: The 2014 Chesapeake Bay SAV Coverage was mapped from 1:24,000 black and white aerial photography and digital multispectral imagery with a 25cm GSD to assess water quality in the Bay. Each area of SAV was interpreted from the rectified photography and classified into one of four density classes by the percentage of cover. The SAV beds were entered into an SDE GIS fetaure class using the quality control procedures documented below. The dataset contains all SAV areas that were identified from the areas flown. Some areas that are presumed to contain no SAV were not flown. Some small beds, …
Calculus: An Integrated Approach, Matthew E. Cathey, Joseph A. Spivey
Calculus: An Integrated Approach, Matthew E. Cathey, Joseph A. Spivey
Faculty Books
This is a draft of a self-published digital textbook “Calculus: An Integrated Approach” by Matt Cathey and Joseph Spivey. The textbook covers a two-semester calculus sequence for Wofford College. The text is freely available for use under the terms of the creative commons copyright, found in each of the textbook files. The free software application Wolfram CDFPlayer is required to read the textbook; it can be downloaded here: http://www.wolfram.com/cdf-player/. The complete, up-to-date version of the text can be found here: http://digitalcommons.wofford.edu/facultybooks/1/. The authors welcome questions, comments, or suggestions. Our email addresses are spiveyja@wofford.edu and catheyme@wofford.edu. The version of the book …
On The Construction Of Simply Connected Solvable Lie Groups, Mark E. Fels
On The Construction Of Simply Connected Solvable Lie Groups, Mark E. Fels
Research Vignettes
This worksheet contains the implementation of Theorems 4.2, 5.4 and 5.7 in the paper On the Construction of Solvable Lie Groups. All the examples in the paper are demonstrated here, along with one in Section 6 that was too long to include in the article.
Differentialgeometry In Brno, Ian M. Anderson
Differentialgeometry In Brno, Ian M. Anderson
Presentations
This page will provide files supporting Ian Anderson's presentations in Brno, December 2015. The files can be found and downloaded from "Additional Files", below.
The files include:
(1) DifferentialGeometryUSU.mla: This is the Maple Library Archive file which provides all the DifferentialGeometry functionality. Here are Installation Instructions.
(2) DifferentialGeometry.help : this is the latest version of the DifferentialGeometry documentation. Copy this file to the same directory used for DifferentialGeometryUSU.mla (from step (1)).
Backlund Transformation For 3 Rt + 1 = 0 (Example 3.4), Ian M. Anderson, Mark E. Fels
Backlund Transformation For 3 Rt + 1 = 0 (Example 3.4), Ian M. Anderson, Mark E. Fels
Research Vignettes
In this worksheet we give all the calculations for Example 3.4 in "Backlund Transformations for Darboux Integrable Differential Systems: Examples and Applications"
A Backlund Transformation For The A2 Toda System (Example 3.4), Ian M. Anderson, Mark E. Fels
A Backlund Transformation For The A2 Toda System (Example 3.4), Ian M. Anderson, Mark E. Fels
Research Vignettes
This worksheet amplifies results associated to example 3.4 in "Backlund Transformations for Darboux Integrable Differential Systems: Examples and Applications".
Classical Examples Of Bäcklund Transformations (Examples 3.1, 3.2, 5.1), Ian M. Anderson, Mark E. Fels
Classical Examples Of Bäcklund Transformations (Examples 3.1, 3.2, 5.1), Ian M. Anderson, Mark E. Fels
Research Vignettes
This worksheet contains the detailed calculations for Example 3.1, Example 3.2, and Example 5.1 in the paper Bäcklund Transformations for Darboux Integrable Differential Systems: Examples and Applications.
Tidal Flat Morphodynamics: A Synthesis, C. T. Friedrichs
Tidal Flat Morphodynamics: A Synthesis, C. T. Friedrichs
Presentations
No abstract provided.
Controls On Suspended Particle Properties And Water Clarity Along A Partially-Mixed Estuary, York River, Virginia, Usa, K. A. Fall, C. T. Friedrichs, G. M. Cartwright, D. G. Bowers
Controls On Suspended Particle Properties And Water Clarity Along A Partially-Mixed Estuary, York River, Virginia, Usa, K. A. Fall, C. T. Friedrichs, G. M. Cartwright, D. G. Bowers
Presentations
The Chesapeake Bay and its associated tidal tributaries, which together form one of the United States’ largest and most important estuaries, are among the many coastal systems where degraded water clarity is a major concern. Despite long-term decreases in sediment input, water clarity over the last 20 years has continued to deteriorate in the Bay and its tributaries (Williams et al., 2010). Analysis of long-term monitoring data (Wang et al., 2010) found that the concentration of total suspended solids (TSS), the regulatory indicator of ‘suspended sediment pollution’, is about as likely to be positively or negatively correlated to sediment loads …
Controls On Bed Erodibility In A Muddy, Partially-Mixed Estuary: York River, Virginia, Usa, Carl T. Friedrichs, Grace M. Cartwright, Patrick J. Dickhut, Kelsey A. Fall
Controls On Bed Erodibility In A Muddy, Partially-Mixed Estuary: York River, Virginia, Usa, Carl T. Friedrichs, Grace M. Cartwright, Patrick J. Dickhut, Kelsey A. Fall
Presentations
Appropriate parameterization of time-dependent erodibility of muddy seabeds is a significant barrier to improved understanding and accurate modelling of sediment dynamics in estuaries and other coastal regions. In an effort to better understand controls on muddy seabed erodibility, bed erodibility and associated bed sediment properties have been measured by our group on cores collected on dozens of cruises over the last decade in the York Estuary (e.g., Dickhudt et al., 2009, 2011; Kraatz, 2013). We have also inferred time-varying erodibility indirectly in the York Estuary over several years by vertically integrating observations of tidally-varying suspended sediment concentration (e.g. Friedrichs et …
Tidal Flat Morphodynamics: A Synthesis, Carl T. Friedrichs
Tidal Flat Morphodynamics: A Synthesis, Carl T. Friedrichs
Presentations
Tidal flats commonly occur along coasts where the tidal range is large relative to typical wave height. They can be found where hydrodynamic energy is high or low, where sediments are sandy or muddy, and where shorelines are prograding, retreating, or stable. The study of the morphology and evolution of tidal flats is particularly well suited in the context of morphodynamics since characteristics such as profile shape, bed slope, and grain size clearly and systematically vary as a function of sediment supply and wave and tidal forcing, and the nature of wave- and tide-induced velocities across tidal flats is, in …
Simulating And Animating The Spatial Dynamics Of Interacting Species Living On A Torus, Boyan Kostadinov
Simulating And Animating The Spatial Dynamics Of Interacting Species Living On A Torus, Boyan Kostadinov
Publications and Research
The goal of this talk is to present a student research project in computational population biology, which aims at creating a computer simulation and animation of the spatial dynamics of interactions between two kinds of species living on a torus-shaped universe. The habitat for spatial interactions is modeled by a 2D lattice with periodic boundary conditions, which wrap the rectangular grid into a torus. The spatial interactions between the species have two components: 1. Population dynamics modeled by the classical Nicholson-Bailey two-parameter family of models for coupled interactions between species, extended to incorporate space and 2. Two-parameter migration dynamics, modeled …
Comt Chesapeake Bay Hypoxia Modeling, Marjorie A.M. Friedrichs, I. Irby, A. Bever, M. Scully
Comt Chesapeake Bay Hypoxia Modeling, Marjorie A.M. Friedrichs, I. Irby, A. Bever, M. Scully
Presentations
No abstract provided.
Foreland-Directedpropagation Of High-Grade Tectonism In The Deep Roots Of A Paleoproterozoic Collisionalorogen, Sw Montana, Usa, Cailey B. Condit, Kevin H. Mahan, Alexis K. Ault, Rebecca M. Flowers
Foreland-Directedpropagation Of High-Grade Tectonism In The Deep Roots Of A Paleoproterozoic Collisionalorogen, Sw Montana, Usa, Cailey B. Condit, Kevin H. Mahan, Alexis K. Ault, Rebecca M. Flowers
Geosciences Faculty Publications
The study of deeply exhumed ancient collisional belts offers important constraints on geologic processes and properties complementary to inaccessible portions of the crustal column in active orogens. The ca. 1.8−1.7 Ga Big Sky orogeny in southwest Montana is a major convergent belt associated with the Proterozoic amalgamation of Laurentia. New structural, petrologic, and geochronologic data from the Northern Madison Range, crossing the NE-SW trend of the belt, record key information about the internal dynamics of the orogen. At least two phases of Big Sky−related deformation are preserved, both nearly coeval with peak metamorphic conditions of ∼0.9−0.8 GPa and >700 °C. …
Pglr-Sas Data, Joseph M. Hilbe
Pglr-Sas Data, Joseph M. Hilbe
Joseph M Hilbe
SAS data files for Practical Guide to Logistic Regression
R Code For Practical Guide To Logistic Regression, Joseph M. Hilbe
R Code For Practical Guide To Logistic Regression, Joseph M. Hilbe
Joseph M Hilbe
R code for Practical Guide to Logistic Regression
Pglr-Stata Data Files, Joseph M. Hilbe
Pglr-Stata Data Files, Joseph M. Hilbe
Joseph M Hilbe
Stata data files for Practical Guide to Logistic Regression
Dump It Out! An Enquiry Into Consumers’ Everyday Fashion Discourses Through Handbag, Magnum Man Lok Lam, Elita Yee Nee Lam, Wing-Sun Liu
Dump It Out! An Enquiry Into Consumers’ Everyday Fashion Discourses Through Handbag, Magnum Man Lok Lam, Elita Yee Nee Lam, Wing-Sun Liu
Faculty of Design & Environment (THEi)
Handbag is an iconic fashion accessory in our material culture. Following the tradition of representational thinking, this article introduces the handbag as an epistemic consumption object through which to investigate consumer experiences, practices and identity construction in relation to everyday lived discourses. The handbag research involves an examination of participants’ personal belongings inside their bags together with phenomenological interviews concerning the associated subjective experiences along with these material objects. We demonstrate how these material possessions become the subject of the research that facilitates multiple conversations between researchers and participants as to introspect, evaluate and interpret the significance of symbolic consumption …
Gpu Deconvolution Wow Result On 2048x2048x32 Plane Z-Series, George Mcnamara
Gpu Deconvolution Wow Result On 2048x2048x32 Plane Z-Series, George Mcnamara
George McNamara
GPU Deconvolution WOW result on 2048x2048x32 plane Z-series ... formerly bad academic code ("you get what you pay for") now impressive
Alternative title: "instant gratification quantitative deconvolution fluorescence microscopy".
http://works.bepress.com/gmcnamara/55/
Please see "74"
http://works.bepress.com/gmcnamara/74/
for 32-bit images from this project (bepress file size limitation prevented me from including them in this ZIP archive).
//
Summary: Deconvolution microscopy has historically been painfully slow. The early vendors were:
- Scanalytics (Carrington and Fay), commercialized to try to sell expensive, specialized array processors made by CSPI (the CSPI box likely had less computing power than a first gen smartphone).
- Applied Precision (Sedat …
Panorama: Multi-Path Ssl Authentication Using Peer Network Perspectives, William P. Harris
Panorama: Multi-Path Ssl Authentication Using Peer Network Perspectives, William P. Harris
Computer Engineering
SSL currently uses certificates signed by Certificate Authorities (CAs) to authenticate connections. e.g. Google will pay a CA to sign a certificate for them, so that they can prove that they're not someone pretending to be Google. Unfortunately, this system has had multiple problems, and many believe that an alternative needs to be found.
One of the ideas for alternatives is using multiple "network perspectives" to authenticate a server. The idea behind this is that, though playing man-in-the-middle (MITM) with one connection is easy, it should be difficult for an adversary to do so with many connections, especially if they …
Selectivity Mechanism Of The Voltage-Gated Proton Channel, Hv1, Todor Dudev, Boris Musset, Deri Morgan, Susan M. Smith
Selectivity Mechanism Of The Voltage-Gated Proton Channel, Hv1, Todor Dudev, Boris Musset, Deri Morgan, Susan M. Smith
Faculty and Research Publications
Abstract• Introduction• Results• Discussion• Methods• Additional Information• References• Acknowledgements• Author information• Supplementary information Voltage-gated proton channels, HV1, trigger bioluminescence in dinoflagellates, enable calcification in coccolithophores, and play multifarious roles in human health. Because the proton concentration is minuscule, exquisite selectivity for protons over other ions is critical to HV1 function. The selectivity of the open HV1 channel requires an aspartate near an arginine in the selectivity filter (SF), a narrow region that dictates proton selectivity, but the mechanism of proton selectivity is unknown. Here we use a reduced quantum model to elucidate how the Asp–Arg SF selects protons but excludes …
Factors Affecting Munitions Mobility Underwater, C. Friedrichs
Factors Affecting Munitions Mobility Underwater, C. Friedrichs
Presentations
No abstract provided.
Gravitational Waves: A New Window Into The Cosmos, Jeffrey S. Hazboun
Gravitational Waves: A New Window Into The Cosmos, Jeffrey S. Hazboun
Jeffrey Hazboun
No abstract provided.
Physical Properties And Behaviour Of Highly Bi-Substituted Magneto-Optic Garnets For Applications In Integrated Optics And Photonics, Mohammad Nur E Alam, Mikhail Vasiliev, Kamal Alameh, Viacheslav Kotov
Physical Properties And Behaviour Of Highly Bi-Substituted Magneto-Optic Garnets For Applications In Integrated Optics And Photonics, Mohammad Nur E Alam, Mikhail Vasiliev, Kamal Alameh, Viacheslav Kotov
Mikhail Vasiliev
Rare-earth and Bi-substituted iron garnet thin film materials exhibit strong potential for application in various fields of science and frontier optical technologies. Bi-substituted iron garnets possess extraordinary optical and MO properties and are still considered as the best MO functional materials for various emerging integrated optics and photonics applications. However, these MO garnet materials are rarely seen in practical photonics use due to their high optical losses in the visible spectral region. In this paper, we report on the physical properties and magneto-optic behaviour of high-performance RF sputtered highly bismuth-substituted iron garnet and garnet-oxide nanocomposite films of generic composition type …
Physical Properties And Behaviour Of Highly Bi-Substituted Magneto-Optic Garnets For Applications In Integrated Optics And Photonics, Mohammad Nur E Alam, Mikhail Vasiliev, Kamal Alameh, Viacheslav Kotov
Physical Properties And Behaviour Of Highly Bi-Substituted Magneto-Optic Garnets For Applications In Integrated Optics And Photonics, Mohammad Nur E Alam, Mikhail Vasiliev, Kamal Alameh, Viacheslav Kotov
Mikhail Vasiliev
Rare-earth and Bi-substituted iron garnet thin film materials exhibit strong potential for application in various fields of science and frontier optical technologies. Bi-substituted iron garnets possess extraordinary optical and MO properties and are still considered as the best MO functional materials for various emerging integrated optics and photonics applications. However, these MO garnet materials are rarely seen in practical photonics use due to their high optical losses in the visible spectral region. In this paper, we report on the physical properties and magneto-optic behaviour of high-performance RF sputtered highly bismuth-substituted iron garnet and garnet-oxide nanocomposite films of generic composition type …
Linking Hematite (Uth)/He Dating With The Microtextural Record Of Seismicity In The Wasatch Fault Damagezone, Utah, Usa, Alexis K. Ault, Peter W. Reiners, James P. Evans, Stuart N. Thomson
Linking Hematite (Uth)/He Dating With The Microtextural Record Of Seismicity In The Wasatch Fault Damagezone, Utah, Usa, Alexis K. Ault, Peter W. Reiners, James P. Evans, Stuart N. Thomson
Geosciences Faculty Publications
Techniques directly dating fault slip are few, limiting the ability to interpret the rock record of seismicity. Hematite is commonly found in fault zones, amenable to (U-Th)/He dating, and slip surface hematite may be reset by shear heating events and/or recrystallization. Glossy hematite-coated fault surfaces in the Wasatch fault footwall damage zone, Utah (USA), exhibit evidence of hematite cataclasis and preserve Pliocene hematite (U-Th)/He dates. Apatite (U-Th)/He and fission track data from the host gneiss indicate footwall unroofing through ∼2 km by ca. 4.5 Ma. Internally reproducible but disparate hematite (U-Th)/He dates 4.5 Ma and younger from isolated locations on …
The Estuarine Hypoxia Component Of The Coastal Ocean Modeling Testbed: Providing Environmental Intelligence To Decision-Makers In The Chesapeake Bay Region, Marjorie A.M. Friedrichs, L. Lanerolle, Carl T. Friedrichs, R. Hood
The Estuarine Hypoxia Component Of The Coastal Ocean Modeling Testbed: Providing Environmental Intelligence To Decision-Makers In The Chesapeake Bay Region, Marjorie A.M. Friedrichs, L. Lanerolle, Carl T. Friedrichs, R. Hood
Presentations
No abstract provided.
Alg Calculus Ii (Lecture Slides), Lake Ritter, Shangrong Deng
Alg Calculus Ii (Lecture Slides), Lake Ritter, Shangrong Deng
Mathematics Ancillary Materials
Authors' Description:
Upon completing this course students should be able to:
- Find derivatives and integrals of transcendental functions.
- Apply techniques to evaluate integrals.
- Use tests to determine series convergence.
- Determine Taylor series for common functions.
- Describe curves in parametric form and polar coordinates.
Important Note:
All are welcome to use and modify these slides for nonprofit educational activities. They are intended to be used with smart board/smart podium or touch screen technology and cannot serve as a primary text. They were produced with LaTeX and converted to .ppt.
The original Beamer slides are superior quality but require several additional figure …
Housatonic Organic Contaminants: Physical Data Archive, Michael M. Whitney
Housatonic Organic Contaminants: Physical Data Archive, Michael M. Whitney
Department of Marine Sciences
This archive includes physical data from a Connecticut Sea Grant Project on organic contaminants in the Housatonic River estuary and Long Island Sound. The data included are water: temperature, salinity, dissolved oxygen, pH, and current velocities. Observations were collected in 2012 and 2013 from the R/V Weicker.
Non-Isomorphic Real Simple Lie Algebras Of The Same Complex Type And Character, Ian M. Anderson
Non-Isomorphic Real Simple Lie Algebras Of The Same Complex Type And Character, Ian M. Anderson
Tutorials on... in 1 hour or less
Complex simple Lie algebras are classified by their root types. The type of a real simple Lie algebra is the root type of the associated complex algebra. The character of a real simple Lie algebra is the signature of its Killing form.
For many root types, the character is sufficient to uniquely classify the corresponding real Lie algebras. However, one should not take this statement to be literally true – there are a few cases where the character does not suffice to distinguish all possible real forms.
In this worksheet we will show that the 2 real non-isomorphic Lie algebras …