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Articles 1 - 30 of 117
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Comparing The Model-Simulated Global Warming Signal To Observations Using Empirical Estimates Of Unforced Noise, Patrick T. Brown, Wenhong Li, Eugene C. Cordero, Steven A. Mauget
Comparing The Model-Simulated Global Warming Signal To Observations Using Empirical Estimates Of Unforced Noise, Patrick T. Brown, Wenhong Li, Eugene C. Cordero, Steven A. Mauget
Eugene C. Cordero
The comparison of observed global mean surface air temperature (GMT) change to the mean change simulated by climate models has received much public and scientific attention. For a given global warming signal produced by a climate model ensemble, there exists an envelope of GMT values representing the range of possible unforced states of the climate system (the Envelope of Unforced Noise; EUN). Typically, the EUN is derived from climate models themselves, but climate models might not accurately simulate the correct characteristics of unforced GMT variability. Here, we simulate a new, empirical, EUN that is based on instrumental and reconstructed surface …
Birds Of A Feather (Les Oiseaux De Même Plumage): Dynamic Soundscapes Using Real-Time Manipulation Of Locally Relevant Birdsongs, William Walker, Brian Belet
Birds Of A Feather (Les Oiseaux De Même Plumage): Dynamic Soundscapes Using Real-Time Manipulation Of Locally Relevant Birdsongs, William Walker, Brian Belet
Brian Belet
This paper and live audio demonstration explores the capabilities of using Web Audio API as a digital audio workstation (DAW) to manipulate sounds from massive server-side databases. Sonic source material comes from a database of birdsongs recorded worldwide by volunteer recordists at xeno-canto.org. Sounds from xeno-canto are chosen to match recent, nearby bird sightings submitted by volunteer birders at eBird. The result is a virtual soundscape derived from the sounds of birds currently present in the user’s geographical region. Our client-server architecture delegates database queries and archival storage to the server, leaving the client to concentrate on the aesthetic context …
Optimal Ranking Regime Analysis Of Intra- To Multidecadal U.S. Climate Variability. Part I: Temperature, Eugene C. Cordero, Steven A. Mauget
Optimal Ranking Regime Analysis Of Intra- To Multidecadal U.S. Climate Variability. Part I: Temperature, Eugene C. Cordero, Steven A. Mauget
Eugene C. Cordero
The optimal ranking regime (ORR) method was used to identify intradecadal to multidecadal (IMD) time windows containing significant ranking sequences in U.S. climate division temperature data. The simplicity of the ORR procedure’s output—a time series’ most significant nonoverlapping periods of high or low rankings—makes it possible to graphically identify common temporal breakpoints and spatial patterns of IMD variability in the analyses of 102 climate division temperature series. This approach is also applied to annual Atlantic multidecadal oscillation (AMO) and Pacific decadal oscillation (PDO) climate indices, a Northern Hemisphere annual temperature (NHT) series, and divisional annual and seasonal temperature data during …
Optimal Ranking Regime Analysis Of Intra- To Multidecadal U.S. Climate Variability. Part Ii: Precipitation And Streamflow, Steven A. Mauget, Eugene C. Cordero
Optimal Ranking Regime Analysis Of Intra- To Multidecadal U.S. Climate Variability. Part Ii: Precipitation And Streamflow, Steven A. Mauget, Eugene C. Cordero
Eugene C. Cordero
In Part I of this paper, the optimal ranking regime (ORR) method was used to identify intradecadal to multidecadal (IMD) regimes in U.S. climate division temperature data during 1896–2012. Here, the method is used to test for annual and seasonal precipitation regimes during that same period. Water-year mean streamflow rankings at 125 U.S. Hydro-Climatic Data Network gauge stations are also evaluated during 1939–2011. The precipitation and streamflow regimes identified are compared with ORR-derived regimes in the Pacific decadal oscillation (PDO), the Atlantic multidecadal oscillation (AMO), and indices derived from gridded SST anomaly (SSTA) analysis data. Using a graphic display approach …
Impact Of Engineering Ambassador Programs On Student Development, Thalia Anagnos, Alicia Lyman-Holt, Claudia Marin-Artieda, Ellen Momsen
Impact Of Engineering Ambassador Programs On Student Development, Thalia Anagnos, Alicia Lyman-Holt, Claudia Marin-Artieda, Ellen Momsen
Thalia Anagnos
This study highlights the positive impact of participation in an engineering ambassador program on students from two universities: Oregon State University which is a large public university in a college town with a 13% minority student body, and Howard University, a medium sized private university with a relatively small engineering program in an urban setting enrolling a primarily minority population. Although these ambassador programs have a major goal of service to the university and engineering program, they serve an equally important goal of developing the skills and attitudes of the ambassadors themselves. Ambassadors from both universities were surveyed, and though …
Linked-Cluster Expansion For The Green's Function Of The Infinite-U Hubbard Model, Ehsan Khatami, Edward Perepelitsky, Marcos Rigol, Sriram B. Shastry
Linked-Cluster Expansion For The Green's Function Of The Infinite-U Hubbard Model, Ehsan Khatami, Edward Perepelitsky, Marcos Rigol, Sriram B. Shastry
Ehsan Khatami
We implement a highly efficient strong-coupling expansion for the Green's function of the Hubbard model. In the limit of extreme correlations, where the onsite interaction is infinite, the evaluation of diagrams simplifies dramatically enabling us to carry out the expansion to the eighth order in powers of the hopping amplitude. We compute the finite-temperature Green's function analytically in the momentum and Matsubara frequency space as a function of the electron density. Employing Padé approximations, we study the equation of state, Kelvin thermopower, momentum distribution function, quasiparticle fraction, and quasiparticle lifetime of the system at temperatures lower than, or of the …
Magnetic Correlations And Pairing In The 1/5-Depleted Square Lattice Hubbard Model, Ehsan Khatami, Rajiv R.P. Singh, Warren E. Pickett, Richard T. Scalettar
Magnetic Correlations And Pairing In The 1/5-Depleted Square Lattice Hubbard Model, Ehsan Khatami, Rajiv R.P. Singh, Warren E. Pickett, Richard T. Scalettar
Ehsan Khatami
We study the single-orbital Hubbard model on the 1/5-depleted square-lattice geometry, which arises in such diverse systems as the spin-gap magnetic insulator CaV4O9 and ordered-vacancy iron selenides, presenting new issues regarding the origin of both magnetic ordering and superconductivity in these materials. We find a rich phase diagram that includes a plaquette singlet phase, a dimer singlet phase, a Néel and a block-spin antiferromagnetic phase, and stripe phases. Quantum Monte Carlo simulations show that the dominant pairing correlations at half filling change character from d wave in the plaquette phase to extended s wave upon transition to the Néel phase. …
Finite-Temperature Properties Of Strongly Correlated Fermions In The Honeycomb Lattice, Baoming Tang, Thereza Paiva, Ehsan Khatami, Marchos Rigol
Finite-Temperature Properties Of Strongly Correlated Fermions In The Honeycomb Lattice, Baoming Tang, Thereza Paiva, Ehsan Khatami, Marchos Rigol
Ehsan Khatami
We study finite-temperature properties of strongly interacting fermions in the honeycomb lattice using numerical linked-cluster expansions and determinantal quantum Monte Carlo simulations. We analyze a number of thermodynamic quantities, including the entropy, the specific heat, uniform and staggered spin susceptibilities, short-range spin correlations, and the double occupancy at and away from half filling. We examine the viability of adiabatic cooling by increasing the interaction strength for homogeneous as well as for trapped systems. For the homogeneous case, this process is found to be more efficient at finite doping than at half filling. That, in turn, leads to an efficient adiabatic …
Fluctuation-Dissipation Theorem In An Isolated System Of Quantum Dipolar Bosons After A Quench, Ehsan Khatami, Guido Pupillo, Mark Srednicki, Marcos Rigol
Fluctuation-Dissipation Theorem In An Isolated System Of Quantum Dipolar Bosons After A Quench, Ehsan Khatami, Guido Pupillo, Mark Srednicki, Marcos Rigol
Ehsan Khatami
We examine the validity of fluctuation-dissipation relations in isolated quantum systems taken out of equilibrium by a sudden quench. We focus on the dynamics of trapped hard-core bosons in one-dimensional lattices with dipolar interactions whose strength is changed during the quench. We find indications that fluctuation-dissipation relations hold if the system is nonintegrable after the quench, as well as if it is integrable after the quench if the initial state is an equilibrium state of a nonintegrable Hamiltonian. On the other hand, we find indications that they fail if the system is integrable both before and after quenching.
Trends In The Ams Education Symposium And Highlights From 2012, Rajul Pandya, Donna Charlevoix, Eugene Cordero, David Smith, Sepi Yalda
Trends In The Ams Education Symposium And Highlights From 2012, Rajul Pandya, Donna Charlevoix, Eugene Cordero, David Smith, Sepi Yalda
Eugene C. Cordero
The Department of Meteorology (now Atmospheric Sciences) at the University of Utah faced reductions in state funding in 2008 that reduced support for nontenured instructors at the same time that the faculty were becoming increasingly successful obtaining federally supported research grants. A faculty retreat and subsequent discussions led to substantive curriculum changes to modernize the curriculum, enhance course offerings for undergraduate and graduate students, and improve the overall efficiency of the academic program. Maintaining discipline standards and existing teaching loads were important constraints on these changes. Key features of the curriculum revisions for undergraduate majors included eliminating a very rigid …
Differential Expression Of Alpha 4 Integrins On Effector Memory T Helper Cells During Bordetella Infections. Delayed Responses In Bordetella Pertussis, Tzvia Abramson, Tuan M. Nguyen, Dipti Ravindra, Brian Kwong, Sana Waheed, Ryan Ferguson, Nicole Tarlton, Victoria Wu, Christopher S. Sequeira, Martina Bremer
Differential Expression Of Alpha 4 Integrins On Effector Memory T Helper Cells During Bordetella Infections. Delayed Responses In Bordetella Pertussis, Tzvia Abramson, Tuan M. Nguyen, Dipti Ravindra, Brian Kwong, Sana Waheed, Ryan Ferguson, Nicole Tarlton, Victoria Wu, Christopher S. Sequeira, Martina Bremer
Tzvia Abramson
Bordetella pertussis (B. pertussis) is the causative agent of whooping cough, a respiratory disease that is reemerging worldwide. Mechanisms of selective lymphocyte trafficking to the airways are likely to be critical in the immune response to this pathogen. We compared murine infection by B. pertussis, B. parapertussis, and a pertussis toxin-deleted B. pertussis mutant (BpΔPTX) to test the hypothesis that effector memory T-helper cells (emTh) display an altered pattern of trafficking receptor expression in B. pertussis infection due to a defect in imprinting. Increased cell recruitment to the lungs at 5 days post infection (p.i.) with B. parapertussis, and to …
Developing Regional Building Inventories: Lessons From The Field, Thalia Anagnos, Mary Comerio, Christine Goulet, Peter J. May, Marjorie Greene, David L. Mccormick, David Bonowitz
Developing Regional Building Inventories: Lessons From The Field, Thalia Anagnos, Mary Comerio, Christine Goulet, Peter J. May, Marjorie Greene, David L. Mccormick, David Bonowitz
Thalia Anagnos
Between 2008 and 2011 members of the Concrete Coalition completed numerous building inventories of California cities to assemble a database of California pre-1980 concrete buildings. Inventory collectors used a variety of data sources ranging from county assessors files to Sanborn maps and satellite images. Sidewalk surveys were used to corroborate data collected from multiple sources, and a regression model was developed to extrapolate data to cities where detailed inventory collection was not possible. Lessons drawn from inventories of three cities – Alameda, Los Angeles, and San Francisco – indicate that no single approach can be recommended, but instead the approach …
Reproduction Of Twentieth Century Intradecadal To Multidecadal Surface Temperature Variability In Radiatively Forced Coupled Climate Models, Patrick T. Brown, Eugene C. Cordero, Steven A. Mauget
Reproduction Of Twentieth Century Intradecadal To Multidecadal Surface Temperature Variability In Radiatively Forced Coupled Climate Models, Patrick T. Brown, Eugene C. Cordero, Steven A. Mauget
Eugene C. Cordero
[1] Coupled Model Intercomparison Project 3 simulations that included time-varying radiative forcings were ranked according to their ability to consistently reproduce twentieth century intradecadal to multidecadal (IMD) surface temperature variability at the 5° by 5° spatial scale. IMD variability was identified using the running Mann-Whitney Z method. Model rankings were given context by comparing the IMD variability in preindustrial control runs to observations and by contrasting the IMD variability among the ensemble members within each model. These experiments confirmed that the inclusion of time-varying external forcings brought simulations into closer agreement with observations. Additionally, they illustrated that the magnitude of …
Evaluating Modeled Intra- To Multidecadal Climate Variability Using Running Mann–Whitney Z Statistics, Steven A. Mauget, Eugene C. Cordero, Patrick T. Brown
Evaluating Modeled Intra- To Multidecadal Climate Variability Using Running Mann–Whitney Z Statistics, Steven A. Mauget, Eugene C. Cordero, Patrick T. Brown
Eugene C. Cordero
An analysis method previously used to detect observed intra- to multidecadal (IMD) climate regimes was adapted to compare observed and modeled IMD climate variations. Pending the availability of the more appropriate phase 5 Coupled Model Intercomparison Project (CMIP-5) simulations, the method is demonstrated using CMIP-3 model simulations. Although the CMIP-3 experimental design will almost certainly prevent these model runs from reproducing features of historical IMD climate variability, these simulations allow for the demonstration of the method and illustrate how the models and observations disagree. This method samples a time series’s data rankings over moving time windows, converts those ranking sets …
Barth, Barthes, And Bergson: Postmodern Aesthetics And The Imperative Of The New, Paul Douglass
Barth, Barthes, And Bergson: Postmodern Aesthetics And The Imperative Of The New, Paul Douglass
Paul Douglass
No abstract provided.
Chemical Activity In Yba2cu3o7 − Δ Across The Normal To Superconducting Phase Transition, Juana Vivó Acrivos
Chemical Activity In Yba2cu3o7 − Δ Across The Normal To Superconducting Phase Transition, Juana Vivó Acrivos
Juana Vivó Acrivos
The Gibbs free enthalpy, chemical activity across the transition temperature to superconductivity, Tc in YBa2Cu3O7 − δ is obtained from reciprocally enhanced X-Ray absorbance, XAS and diffraction, XRD data near the Ba L3,2 edges' energy Ea, and orientations in the X-ray beam for preferred Miller indexed [HKL] planes' scattering, that are enhanced near Tc. The standard enthalpy and entropy for the formation of mixed normal metal/superconducting domains above Tc, determined individually across the two Ba L3,2 edges, to better than a percent accuracy: ΔH≠≥ = − 220 meV, and ΔS≠≥ = − 2 meV/K when 121 ≥ T ≥ 92 …
Review Of Working The Past: Narrative And Institutional Memory, Jan English-Lueck
Review Of Working The Past: Narrative And Institutional Memory, Jan English-Lueck
Jan English-Lueck
No abstract provided.
Prototyping Self In Silicon Valley, Deep Diversity As A Framework For Anthropological Inquiry, Jan English-Lueck
Prototyping Self In Silicon Valley, Deep Diversity As A Framework For Anthropological Inquiry, Jan English-Lueck
Jan English-Lueck
High-technology work fuels a dynamic global exchange from technopoles throughout the world, but especially between East and South Asia and the northern Californian region of Silicon Valley. This migration drives an expanded number of ancestral identities. Professional and activity-based identities flourish as Silicon Valley’s strong narrative of meritocracy loosens the grip of birth ascription on the creation of identities. These achieved identities proliferate as people experiment on their own sense of self. Traditional conceptual tools related to immigration, and even such contemporary approaches as Appadurai’s ethnoscapes, do not adequately illuminate the ethnographic data on Silicon Valley workers, families, and especially …
Rediscovering Bartolomeo Montagna: A Fresh Look At The Altarpiece For The Parish Church Of Sandrigo, Vicenza, Elizabeth Carroll Consavari
Rediscovering Bartolomeo Montagna: A Fresh Look At The Altarpiece For The Parish Church Of Sandrigo, Vicenza, Elizabeth Carroll Consavari
Elizabeth Carroll Consavari
New documentation on Bartolomeo Montagna’s altarpiece The Virgin and Child with Sts James and Philip (c.1492) in Glasgow Museums.
Motivating Technical Writing Through Study Of The Environment, J. Linsdell, Thalia Anagnos
Motivating Technical Writing Through Study Of The Environment, J. Linsdell, Thalia Anagnos
Thalia Anagnos
Today’s engineers must be more than just technically competent. To be successful in our increasingly global economy in which teamwork and interdisciplinary interaction are the norm, engineers must have excellent communication skills. In recognition of industry needs, the San José State University College of Engineering redesigned its technical communication course to ensure that students graduate with writing and speaking skills that will transfer readily to their career needs and the global arena. The course aims to motivate students through exploring topics that are meaningful to them and using communication formats that they will see in the workplace. Combing technical communication …
"Teaching Competitiveness In Advertising", Timothy Hendrick
"Teaching Competitiveness In Advertising", Timothy Hendrick
Timothy Hendrick
No abstract provided.
Toward A More Unified Libertarian Left, William T. Armaline, Deric Shannon
Toward A More Unified Libertarian Left, William T. Armaline, Deric Shannon
William T. Armaline
In this introduction we briefly sketch out some of the similarities between Marxism and anarchism, particularly around the nexus often called “libertarian socialism”. We argue that two contemporary trends make this a particularly good time for these kinds of bridge-building projects. First, with the economy in crisis and Leninism largely discredited, people are looking for alternatives to capitalism and state socialism and libertarian socialism provides examples of visions that are socialist, but not statist. Secondly, with the recent surge in anarchist studies—academic work rooted in anarchism—it makes sense to show some of the connections between Marxist (an already accepted perspective …
Chemistry–Climate Model Simulations Of Twenty-First Century Stratospheric Climate And Circulation Changes, Neal Butchart, I. Cionni, V. Eyring, T. G. Shepherd, D. W. Waugh, H. Akiyoshi, J. Austin, C. Brühl, M. P. Chipperfield, Eugene C. Cordero, M. Dameris, R. Deckert, S. Dhomse, S. M. Frith, R. R. Garcia, A. Gettelman, M. A. Giorgetta, D. E. Kinnison, F. Li, E. Mancini, S. Pawson, G. Pitari, D. A. Plummer, E. Rozanov, F. Sassi, J. F. Scinocca, K. Shibata, B. Steil, W. Tian
Chemistry–Climate Model Simulations Of Twenty-First Century Stratospheric Climate And Circulation Changes, Neal Butchart, I. Cionni, V. Eyring, T. G. Shepherd, D. W. Waugh, H. Akiyoshi, J. Austin, C. Brühl, M. P. Chipperfield, Eugene C. Cordero, M. Dameris, R. Deckert, S. Dhomse, S. M. Frith, R. R. Garcia, A. Gettelman, M. A. Giorgetta, D. E. Kinnison, F. Li, E. Mancini, S. Pawson, G. Pitari, D. A. Plummer, E. Rozanov, F. Sassi, J. F. Scinocca, K. Shibata, B. Steil, W. Tian
Eugene C. Cordero
The response of stratospheric climate and circulation to increasing amounts of greenhouse gases (GHGs) and ozone recovery in the twenty-first century is analyzed in simulations of 11 chemistry–climate models using near-identical forcings and experimental setup. In addition to an overall global cooling of the stratosphere in the simulations (0.59 ± 0.07 K decade−1 at 10 hPa), ozone recovery causes a warming of the Southern Hemisphere polar lower stratosphere in summer with enhanced cooling above. The rate of warming correlates with the rate of ozone recovery projected by the models and, on average, changes from 0.8 to 0.48 K decade …
“Pilot Implementation Of An Interdisciplinary Course On Climate Solutions”, Lawrence Quill, Jinny Rhee, Eugene Cordero
“Pilot Implementation Of An Interdisciplinary Course On Climate Solutions”, Lawrence Quill, Jinny Rhee, Eugene Cordero
Lawrence Quill
A pilot implementation of an experimental interdisciplinary course on climate solutions was undertaken at San Jose´ State University in the fall semester of 2008. The course, co-taught by seven faculty members from six colleges, was approved for a general education requirement and was open to upperclass students campus-wide. A course with such a breadth of topics and range of student backgrounds was the first of its kind here. The lessons learned from the pilot effort were assessed from student, faculty, and administrative perspectives. The educational benefits to students from the interdisciplinary format were found to be substantial, in addition to …
System Of Shadows, An Interactive Performance Environment For Trumpet/Flugelhorn And Kyma, Brian Belet, Stephen Ruppenthal
System Of Shadows, An Interactive Performance Environment For Trumpet/Flugelhorn And Kyma, Brian Belet, Stephen Ruppenthal
Brian Belet
This paper summarizes our history with designing coherent real-time processing algorithms within Kyma that enable the spontaneous processing of acoustic instruments using the Capybara-320 and Pacarana synthesis engines in interactive real-time performance. Compositional and performance issues for the current work, System of Shadows, are examined, discussed, and performed during the demonstration, focusing on the composer’s Kyma processing algorithms and the musical score used by both performers. We posit relevant data surrounding the interactive performance issues involved in a complex real-time processing work of this nature, and discuss our collaborative creative process. Real-time performance choices by the trumpeter, directed improvisation and …
On Constructive-Engagement Strategy Of Comparative Philosophy, Bo Mou
On Constructive-Engagement Strategy Of Comparative Philosophy, Bo Mou
Bo Mou
In this journal theme introduction, first, I explain how comparative philosophy as explored in the journal Comparative Philosophy is understood and how it is intrinsically related to the constructive engagement strategy. Second, to characterize more clearly and accurately some related methodological points of the constructive-engagement strategy, and also to explain how constructive engagement is possible, I introduce some needed conceptual and explanatory resources and a meta-methodological framework and endeavor to identify adequacy conditions for methodological guiding principles in comparative studies. Third, as a case analysis, I show how the constructive-engagement reflective practice bears on recent studies of Chinese and comparative …
Twisty Little Passages: The Several Editions Of Lady Caroline Lamb's Glenarvon, Paul Douglass
Twisty Little Passages: The Several Editions Of Lady Caroline Lamb's Glenarvon, Paul Douglass
Paul Douglass
A literary criticism of the book "Glenarvon," by Lady Caroline Lamb is presented. It presents the symbolic significance of the characters. It outlines the consequences of denying true love and the importance of aristocratic leadership and self-control. It examines the preface of the book in which the author states that the novel is not immoral even with the inclusion of crimes and she asks readers to recognize that her intention of writing the book is to describe human nature.
Right From The Start, Applying Anthropology With Lower Division Students, Jan English-Lueck
Right From The Start, Applying Anthropology With Lower Division Students, Jan English-Lueck
Jan English-Lueck
No abstract provided.
A Heuristic For Marketing-Production Decisions In Industrial Channels Of Distribution, Arvinder S. Loomba, K. R. Kumar
A Heuristic For Marketing-Production Decisions In Industrial Channels Of Distribution, Arvinder S. Loomba, K. R. Kumar
Arvinder S. Loomba
No abstract provided.
The Investigation Of Epr Paramagnetic Probe Line Width And Shape Temperature Dependence In High-Temperature Superconductors Of Bi–Pb–Sr–Ca–Cu–O System, J. G. Chigvinadze, Juana Vivó Acrivos, I. G. Akhvlediani, M. I. Chubabria, T. L. Kalabegishvili, T. I. Sanadze
The Investigation Of Epr Paramagnetic Probe Line Width And Shape Temperature Dependence In High-Temperature Superconductors Of Bi–Pb–Sr–Ca–Cu–O System, J. G. Chigvinadze, Juana Vivó Acrivos, I. G. Akhvlediani, M. I. Chubabria, T. L. Kalabegishvili, T. I. Sanadze
Juana Vivó Acrivos
The work is related with the finding out of magnetic phases in strongly anisotropic high-temperature superconductor Bi1,7Pb0,3Sr2Ca2Cu3O10-δ in the temperature region where the superconductor is in the normal state. It was studied the temperature dependence of the paramagnetic probe EPR line width. In the normal state at T>Tc near 175 K it was revealed a pick in the temperature dependence of line width. In this region it was observed the time increase of the line width with the characteristic time ~ 17 min. This shows the possibility of magnetic phase formation in this material.