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2017

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Full-Text Articles in Physical Sciences and Mathematics

Exploiting Synchrotron “Light” To Study Chemistry Of Trace Elements In Soils And Plants, Ryan Tappero Dec 2017

Exploiting Synchrotron “Light” To Study Chemistry Of Trace Elements In Soils And Plants, Ryan Tappero

Sustainability Seminar Series

Biogeochemical studies often require characterization of elemental abundances and speciation in samples that are chemically and physically heterogeneous at the micrometer scale. Synchrotron radiation sources are ideal for developing high intensity, highly-focused X-ray probes for interrogating the speciation, transport, and reactions of trace elements in heterogeneous earth and biological materials with detection sensitivities in the attogram range and spatial resolutions less than 1 micrometer.

X-ray Fluorescence Microprobe (XFM) is a new, multi-modal X-ray fluorescence microscope recently installed at the National Synchrotron Light Source-II (NSLS-II) at Brookhaven National Laboratory. XFM has capabilities for X- ray micro-fluorescence (μ-XRF) imaging and tomography, X-ray …


Session 4 Discussion Notes, Ocean Waves Workshop 2017 Dec 2017

Session 4 Discussion Notes, Ocean Waves Workshop 2017

Ocean Waves Workshop

No abstract provided.


Overview Of Open Source Codes To Assess Environmental Effects On Ocean Wave Farms, Chris Chartrand, Kelley Ruehl, Jesse Roberts, Sam Mcwilliams, Kaus Raghukumar, Aaron Porter, Cameron Mcnatt Dec 2017

Overview Of Open Source Codes To Assess Environmental Effects On Ocean Wave Farms, Chris Chartrand, Kelley Ruehl, Jesse Roberts, Sam Mcwilliams, Kaus Raghukumar, Aaron Porter, Cameron Mcnatt

Ocean Waves Workshop

The development of SNL-SWAN by Sandia National Laboratories (SNL) allows users to investigate the interaction between a WEC or WEC array and the wave environment. SNL-SWAN when coupled with a hydrodynamic and sediment transport model such as Delft3D, developed by Deltares Inc, allows for the direct investigation of WEC array effects on the physical environment (e.g. waves, currents, seabed) and the associated site ecology. Ongoing development of these tools has shown how the coupling of SNL-SWAN with Delft3D-Flow can quantify the interaction between device(s) and the hydrodynamic environment at a real-world site.


Wave-Measuring Performance Characteristics Of Spoondrift Spotter, K. Raghukumar, G. Chang, F. Spada, C. Jones, W. Gans, T. Janssen Dec 2017

Wave-Measuring Performance Characteristics Of Spoondrift Spotter, K. Raghukumar, G. Chang, F. Spada, C. Jones, W. Gans, T. Janssen

Ocean Waves Workshop

Spoondrift Spotter represents a state-of-the-art wave measurement buoy developed by Spoondrift (www.spoondrift.co) and supported by funding from the Advanced Research Projects Agency – Energy (ARPA-E). A low-cost buoy platform like Spotter enables a range of new applications. For instance, coherent arrays of Spotters can support adaptive tuning of marine and hydrokinetic energy devices. In general, the availability of high-fidelity wave measurements can help support wave assessments for a variety of commercial, military, operational, academic, and recreational users.


Wave Energy Converter Effects On The Nearshore Environment, Grace Chang, Craig Jones, Jason Magalen, Jesse Roberts Dec 2017

Wave Energy Converter Effects On The Nearshore Environment, Grace Chang, Craig Jones, Jason Magalen, Jesse Roberts

Ocean Waves Workshop

This poster presents efforts to use predictive modeling tools to evaluate the impacts of Wave Energy Converter (WEC) arrays on nearshore processes, investigate effects of different WEC devices on wave propagation, examine wave propagation in the lee of a WEC array over different wave conditions, and accelerate the realization of commercial-scale wave power.


Session 4 Presentation - Improved Coastal And Nearshore Wave Forecasting, Jeffrey Hanson, Robert Fratantonio Dec 2017

Session 4 Presentation - Improved Coastal And Nearshore Wave Forecasting, Jeffrey Hanson, Robert Fratantonio

Ocean Waves Workshop

Accurate nearshore and coastal wave forecasts are essential for the protection of life and property as well as enhancing the economy through safe and efficient commercial activities. Modeling the nearshore environment has remained both computationally intensive and challenging due to the strong interaction of waves with the ocean bottom in shallow water environments. Here we develop a new wave system approach for nearshore wave modeling that addresses these issues. Wave systems result from specific wind forcing events on the ocean surface. This approach extends earlier work on wave system partitioning and tracking to assimilate coastal buoy observations into model output …


Session 3 Discussion Notes, Ocean Waves Workshop 2017 Dec 2017

Session 3 Discussion Notes, Ocean Waves Workshop 2017

Ocean Waves Workshop

No abstract provided.


Real-Time Wave Assimilation Using Low-Cost Sensor Arrays (Extended Abstract), Pieter Smit, Tim Janssen, Cameron Dunning, Wheeler Grans Dec 2017

Real-Time Wave Assimilation Using Low-Cost Sensor Arrays (Extended Abstract), Pieter Smit, Tim Janssen, Cameron Dunning, Wheeler Grans

Ocean Waves Workshop

In this paper we present the underlying theory and principal results from a new real-time data-assimilation system in which we integrate a dense network of Spotters. The sensor network was deployed as part of the ONR Innershelf DRI experiment during the period from September 2017 till November 2017. The array consists of 18 Spotters, deployed seaward of Point Sal (California) along the 20-, 50- and 100-meter depth contours (Fig. 1). Each of these buoys provides estimates of the complete frequency-directional spectrum every hour. The wave spectra and directional moments are assimilated in real-time using an efficient backward raytracing algorithm to …


Session 3 Presentation - An Overview Of Recent Wave Glider® Field Program, Pat Fitzpatrick, Yee Lau, Robert Moorhead, Adam Skarke, Daniel Merritt, Keith Kreider, Chris Brown, Ryan Carlon, Graham Hine, Teri Lampoudi, Alan Leonardi Dec 2017

Session 3 Presentation - An Overview Of Recent Wave Glider® Field Program, Pat Fitzpatrick, Yee Lau, Robert Moorhead, Adam Skarke, Daniel Merritt, Keith Kreider, Chris Brown, Ryan Carlon, Graham Hine, Teri Lampoudi, Alan Leonardi

Ocean Waves Workshop

Developed by Liquid Robotics, Inc., Wave Gliders® (WGs) use wave energy for propulsion through the synergistic alternating thrust of wave action on the floating vehicle and mechanical wings 6 m below the vehicle. WGs provide dynamic environmental monitoring in the maritime environment with weeks-tomonths-long deployments using solar panels to power sensors, and satellite and cell communication channels for data delivery. Some data is transmitted real-time or in bulk at more infrequent intervals, while other data is archived on-board for extraction after a mission.

Example field programs include: wave, ocean, and PBL measurements in tropical cyclones; algae bloom monitoring; satellite ground …


Session 2 Discussion Notes, Ocean Waves Workshop 2017 Dec 2017

Session 2 Discussion Notes, Ocean Waves Workshop 2017

Ocean Waves Workshop

No abstract provided.


Overview Of Open Source Codes To Assess Environmental Effects Of Ocean Wave Farms (Extended Abstract), Chris Chartrand, Kelley Ruehl, Jesse Roberts, Aaron Porter, Cameron Mcnatt Dec 2017

Overview Of Open Source Codes To Assess Environmental Effects Of Ocean Wave Farms (Extended Abstract), Chris Chartrand, Kelley Ruehl, Jesse Roberts, Aaron Porter, Cameron Mcnatt

Ocean Waves Workshop

The United States has a theoretical ocean wave energy resource potential of 1,594–2,640 TWh/year, enough to power between 143.5 and 237.6 million homes/year and contribute substantially to the United States’ energy portfolio [1]. However, wave energy converters (WECs) are currently in the early stages of research and development at low technology readiness levels. Open ocean deployment data is from demonstration-scale projects, not from utility-scale deployments. As a result, researchers, developers, and regulators rely heavily on numerical models to understand the environmental effects of wave farms.

Preliminary numerical studies have demonstrated that small-scale deployments of ~10 WECs or less have little …


Session 2 Presentation - A New Generation Of Spectral Wave Models, Don Resio, Dorukan Ardag, C. Reid Nichols Dec 2017

Session 2 Presentation - A New Generation Of Spectral Wave Models, Don Resio, Dorukan Ardag, C. Reid Nichols

Ocean Waves Workshop

Over the last decade, considerable effort has been spent on the evaluation of operational wave models such as the WAM, WAVEWATCH III, and SWAN thirdgeneration (3G) model. Most recent effort has focused on a “wholistic” approach to model evaluation, rather than on related comparisons directly to physics-based processes. In such an approach, model coefficients are tuned to maximize the global fit to integrated wave parameters such as wave height, mean/peak period, mean direction and directional spreading [1]. However, these coefficients do not ensure a universal “best-fit” to observation. Also, comparisons to spectra are omitted from the model evaluations since they …


Session 1 Discussion Notes, Ocean Waves Workshop 2017 Dec 2017

Session 1 Discussion Notes, Ocean Waves Workshop 2017

Ocean Waves Workshop

No abstract provided.


Session 1 Paper - Contemporary Expeditionary Warfare For Scientists And Engineers, C. Reid Nichols Dec 2017

Session 1 Paper - Contemporary Expeditionary Warfare For Scientists And Engineers, C. Reid Nichols

Ocean Waves Workshop

Expeditionary forces from many countries have deployed to mitigate the effects of natural disasters and human conflicts. Approaches are usually linked to the nation’s maritime strategy. Expeditionary forces provide rapid response to man-made disruptions such as mass casualties by terrorists, vessel hijackings by pirates, murders by drug cartels, and nuclear accidents. Recent examples include Humanitarian Assistance/Disaster Response (HA/DR) and Non Combatant Evacuation Operations (NEO). HA/DR type missions have been planned and executed to mitigate the effects of catastrophic tropical cyclones, flooding, wild fires, and tsunami. NEO missions are focused on the evacuation of a nation’s citizens and other foreigners from …


A Modeling System For Integral Simulation Of Propagation Of Ocean Surge And Wave And Their Impinging On Coastal Structure (Extended Abstract), Ke Qu, Hansong Tang, Anil Agrawal Dec 2017

A Modeling System For Integral Simulation Of Propagation Of Ocean Surge And Wave And Their Impinging On Coastal Structure (Extended Abstract), Ke Qu, Hansong Tang, Anil Agrawal

Ocean Waves Workshop

Now it has become necessary to develop our capability to directly simulate many emerging coastal ocean flow and wave problems. These flow problems present a common challenge to our modeling capability; they involve multiphysics phenomena spanning a vast range of spatial and temporal scales, however, so far essentially we have no methods and computer software to directly and integrally simulate these phenomena. Now it has become necessary for us to develop new capability to model them in efficient ways and high-fidelity. Towards this goal, we have developed a brand new, unprecedented modeling system that is able to directly evaluate many …


Session 1 Presentation - Use Of Offshore Energy Facilities As Deepwater Ocean Observing Platforms, Jeffrey Morin, Pak Leung, Ruth Mullins Perry, Eoin Howlett, Armen-Sjur Minassian, Rudy Poulos Dec 2017

Session 1 Presentation - Use Of Offshore Energy Facilities As Deepwater Ocean Observing Platforms, Jeffrey Morin, Pak Leung, Ruth Mullins Perry, Eoin Howlett, Armen-Sjur Minassian, Rudy Poulos

Ocean Waves Workshop

Wave measurement is one of the major components for any ocean observation program, however, it is also the most challenging one due to its complexity. For Oil & Gas community, wave data is often used for platform stability calculation, operational decision making, structure fatigue analysis, and engineering design criteria.


Wavemaker Improvements At The University Of New Orleans Towing Tank, Ryan D. Thiel Dec 2017

Wavemaker Improvements At The University Of New Orleans Towing Tank, Ryan D. Thiel

Ocean Waves Workshop

No abstract provided.


Shape Modeling And Boulder Mapping Of Asteroid 1992 Uy4, Nicholas Duong Dec 2017

Shape Modeling And Boulder Mapping Of Asteroid 1992 Uy4, Nicholas Duong

Posters-at-the-Capitol

The structure and history of near-Earth asteroids are important to
study because they collide with Earth, sometimes with significant consequences for
climate and the survival of many species, including our own. If NASA is ever to deflect an asteroid on a collision course, it is crucial to know as much as possible about its size, composition, structure and boulder distribution. The boulder
distribution in turn helps to map the asteroid's gravitational field.

1992 UY4 is a near-Earth asteroid discovered in 1992. In August 2005, UY4 made a
``close" (for space) pass of Earth, about 15x farther than the Moon. It …


Tunable Copper Complexes For Sustainable Photocatalysis, David Kline Nov 2017

Tunable Copper Complexes For Sustainable Photocatalysis, David Kline

Posters-at-the-Capitol

Photoredox catalysis has direct applications in sustainable chemistry and thus an immense impact on our environment. With the ability to harness energy directly from the sun to catalyze useful chemical reactions, photocatalysts can help to eliminate the need for harsh reaction conditions and reduce generation of hazardous chemical waste. Photocatalysts based on Earth-abundant metals such as copper have recently emerged as sustainable alternatives to rare-earth metals including iridium and ruthenium, which are no longer required for many photocatalyzed chemical transformations.


Building The Ascend Siu Web Application, Lee Cooper, Cody Lingle, Ren Jing, Hallie Martin, Matt Gross, Nancy Martin Nov 2017

Building The Ascend Siu Web Application, Lee Cooper, Cody Lingle, Ren Jing, Hallie Martin, Matt Gross, Nancy Martin

ASA Multidisciplinary Research Symposium

This poster represents a year-long web application development project completed by undergraduate students in the Information Systems Technologies department at Southern Illinois University. The web application was developed for the Ascend registered student organization using Agile Scrum software engineering methods.


Reengineering A 2-Tier Database Application With Software Architecture, Hong G. Jung Nov 2017

Reengineering A 2-Tier Database Application With Software Architecture, Hong G. Jung

ASA Multidisciplinary Research Symposium

The purpose of this research is to demonstrate how to reengineer a legacy Database Application using to a target system with MVC and 3-layered architecture. A Coffee Inventory Management database application is used for legacy application. The benefits of the reengineering are discussed.


Software Reengineering: Reverse Engineering With Using 4+1 Architectural Views And Forward Engineering With Mvc Architecture, Shane Mueller Nov 2017

Software Reengineering: Reverse Engineering With Using 4+1 Architectural Views And Forward Engineering With Mvc Architecture, Shane Mueller

ASA Multidisciplinary Research Symposium

As software complexity is increasing exponentially in our modern era, software architecture becomes increasingly important. The separation of concerns through architecture allows each programmer the opportunity to limit their need of understanding to only the portion of code for which they are responsible for, thus saving large amounts of time.


Development, Energy, And Climate Change Policy: Enabling Sustainable Development Through Access To Energy, Robert J. Brecha Nov 2017

Development, Energy, And Climate Change Policy: Enabling Sustainable Development Through Access To Energy, Robert J. Brecha

Biennial Conference: The Social Practice of Human Rights

Human rights, human development, and climate change clearly overlap in many ways. Development, as quantified by the Human Development Index (HDI), for example, has historically been strongly correlated with energy consumption. This fact is recognized in Sustainable Development Goal (SDG) 7, to “ensure access to affordable, reliable, sustainable and modern energy for all.” Currently the world is in the midst of a large wave of human migration, much of it involuntary and due to stymied development opportunities as well as political upheaval. Climate change will become, or already is, an exacerbating factor in migration dynamics.

A pertinent question is how …


Democratic Civic Engagement: Transformative Local, Inclusive Decision-Making To Achieve Global Peace And Climate Solutions, Leah Ceperley Nov 2017

Democratic Civic Engagement: Transformative Local, Inclusive Decision-Making To Achieve Global Peace And Climate Solutions, Leah Ceperley

Biennial Conference: The Social Practice of Human Rights

The UN Sustainable Development Goals call for action on Climate (No. 13) and Strengthening Governance (No. 16) as imperative to transform our world toward one that is resilient, just, and peaceful. Climate change is a global problem, marked frequently in the U.S. by indifference, with far-reaching impacts disproportionately burdening the poor and vulnerable worldwide. Global in scope, its sources, impacts, and fields of action are local. Combating indifference at the local level can strengthen local governance structures, build trust across ideological divides, and shift the conversation from indifference to action.

Using an example from a University of Dayton-sponsored National Issues …


Encounters With Climate Change: How Sdg 13 Can Move From Awareness To Action, Rebecca C. Potter Nov 2017

Encounters With Climate Change: How Sdg 13 Can Move From Awareness To Action, Rebecca C. Potter

Biennial Conference: The Social Practice of Human Rights

In a well-known passage from his book I and Thou, Martin Buber relates his encounter with a tree: “I contemplate a tree,” he writes, and then lists the various ways he could perceive the tree, as an artist or biologist, as someone interested in the trees parts and construction or interested in its function as a living system. But in all cases, Buber observes, “the tree remains my object and has its place and its time span, its kind and condition.”

Yet sometimes, “if will and grace are conjoined,” Buber describes being drawn into a relation with the tree wherein …


Climate Change, Development, And The Global Commons, Robert J. Brecha Nov 2017

Climate Change, Development, And The Global Commons, Robert J. Brecha

Biennial Conference: The Social Practice of Human Rights

An important link between energy, climate change, human development, and human rights comes in the form of a question that has yet to be answered satisfactorily: The earth’s atmosphere and other physical systems are the ultimate example of the global commons. Do future generations have a human right to an unchanged earth system? Sustainable Development Goals 13, 14, and 15 imply an affirmative answer. Given that climate scientists have a good estimate of the amount of carbon dioxide that can be emitted before the safe uptake capacity of the atmosphere is breached, how do we allocate that remaining atmospheric capacity …


Building Academic/Practitioner Teams For Human Rights Projects: Examples, Lessons Learned, And Pitfalls To Avoid, Theresa Harris Nov 2017

Building Academic/Practitioner Teams For Human Rights Projects: Examples, Lessons Learned, And Pitfalls To Avoid, Theresa Harris

Biennial Conference: The Social Practice of Human Rights

Academics are increasingly interested in getting out of their classrooms and labs to contribute their knowledge, expertise, and resources to help communities develop evidence-based policies. In addition to post-election initiatives such as the March for Science and 314 Action, many academics are joining “without borders”-type programs and organizations that connect academics with opportunities to volunteer their time and talents for “social good.”

One of the longest-running of these is On-call Scientists, an initiative of the American Association for the Advancement of Science (AAAS) that connects human rights organizations with pro bono scientists across all fields — life, physical, behavioral, and …


Wake Up Barren Soil! Improving Enzymatic Function Of Contaminated Soils, Nina M. Goodey Nov 2017

Wake Up Barren Soil! Improving Enzymatic Function Of Contaminated Soils, Nina M. Goodey

Sustainability Seminar Series

A legacy of industrial use in metropolitan areas has left many soils contaminated with heavy metals and organic compounds. In some impacted soils, contaminants have altered the soils’ properties and ability to function. Soil microorganisms exude enzymes that break down nutrients, helping to nourish microorganisms and plants. Productive soils are often characterized by high enzymatic activities that are needed to convert decaying matter to plant nutrients. In soils where enzymatic function is low or nonexistent, plants may lack nutrients and fail to thrive. This case-study focuses on such a site within Liberty State Park in Jersey City, NJ, a brownfield …


Evidence-Based Devops For Continuous Collaboration, Process, And Delivery, Weon S. Chung Nov 2017

Evidence-Based Devops For Continuous Collaboration, Process, And Delivery, Weon S. Chung

ASA Multidisciplinary Research Symposium

The purpose of this research is to propose Evidence-Based DevOps and to demonstrate its application to software reengineering. For this purpose, we borrow an approach from Medicine, Evidence-Based Medicine (EBM), and apply it to DevOps. Evidence-Based DevOps supports continuous collaboration, process, and deployment within or across diverse teams.


Security Of The Internet Of Things (Iot), Tyler Williams, Jordan Frantsvog, Saeed Almalki Nov 2017

Security Of The Internet Of Things (Iot), Tyler Williams, Jordan Frantsvog, Saeed Almalki

Posters-at-the-Capitol

The rapidly adopted idea of everyday devices being interconnected and being controllable from across the globe has come to be known as the Internet of Things (IoT). In every home or business there are now connected devices such as lights, locks, thermostats, and even medical devices which have created a much larger attack surface for every network and could increase the possibility of serious damage if they are compromised. Connected devices are even found in hospitals, power plants, and other secure facilities. Safety and security of networks are imperative not only for secure military installations or infrastructure sites, but also …