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Articles 511 - 540 of 827
Full-Text Articles in Physical Sciences and Mathematics
Virtual Simulations Of Potential Vessel Discharges In Puget Sound And The Puget Sound No Discharge Zone, Teizeen Mohamedali, Mindy Roberts, Amy Jankowiak
Virtual Simulations Of Potential Vessel Discharges In Puget Sound And The Puget Sound No Discharge Zone, Teizeen Mohamedali, Mindy Roberts, Amy Jankowiak
Salish Sea Ecosystem Conference
The Washington State Department of Ecology (Ecology) evaluated the potential transport, dispersion and dilution of potential vessel sewer discharges within the draft proposed Puget Sound No Discharge Zone (NDZ). These model simulations included potential vessel sewer discharges at six locations in Puget Sound along major shipping routes. Results are presented as virtual animations of surface concentrations, allowing us to visualize the transport, circulation, and dilution of these discharges over the course of several days.
Ecology and Pacific Northwest National Laboratory jointly developed a three-dimensional hydrodynamic FVCOM (Finite Volume Coastal Ocean Model) computer model of the Salish Sea. This model is …
Volunteer-Assisted Monitoring Of A Significant Private Bulkhead Removal, Jeffrey Adams, Brenda Padgham, Jason David Toft, Kyra O'Neil, Kate Litle
Volunteer-Assisted Monitoring Of A Significant Private Bulkhead Removal, Jeffrey Adams, Brenda Padgham, Jason David Toft, Kyra O'Neil, Kate Litle
Salish Sea Ecosystem Conference
Monitoring efforts to restore physical and biological functions along developed shorelines can take many forms and be influenced by monitoring goals, the scope and scale of the project, and available resources. The Powel project in Port Madison on Bainbridge Island, Washington, had regional significance because of its scale (removing 1544 lineal feet of armor), the diversity of types of armor and shoreline, and its private ownership, but it lacked the funding to support a broad, long-term monitoring program. Not willing to let the opportunity pass without some effort to gather as much appropriate information as possible about the impact and …
A Long-Term Phytoplankton Monitoring Program For Central Puget Sound Using Particle Imaging, Gabriela Hannach, Lyndsey M. Swanson
A Long-Term Phytoplankton Monitoring Program For Central Puget Sound Using Particle Imaging, Gabriela Hannach, Lyndsey M. Swanson
Salish Sea Ecosystem Conference
Puget Sound is a large and highly productive estuarine system that is vulnerable to climate change and anthropogenic impacts from a growing population. King County operates an exceptionally comprehensive, long-running monitoring program designed to assess water quality in the Puget Sound Central Basin. Data are collected year-round for a suite of physical, chemical, and biological parameters. Phyoplankton monitoring using traditional methods was added to the program in 2008 to address a significant biological data gap at the lower trophic level. Since acquisition of a FlowCAM particle imaging system in 2014 the program is generating a more extensive and robust dataset …
Movements Of Sub-Adult Chinook Salmon (Oncorhynchus Tshawytscha) In Puget Sound, Washington, As Indicated By Hydroacoustic Tracking, Anna Kagley, Joseph Smith, Kurt L. Fresh, Kinsey Frick, Thomas P. (Thomas Peter) Quinn
Movements Of Sub-Adult Chinook Salmon (Oncorhynchus Tshawytscha) In Puget Sound, Washington, As Indicated By Hydroacoustic Tracking, Anna Kagley, Joseph Smith, Kurt L. Fresh, Kinsey Frick, Thomas P. (Thomas Peter) Quinn
Salish Sea Ecosystem Conference
Alternative forms of migratory behavior can have substantial consequences for the growth, survival, and fitness of the individuals involved. Salmonids vary in the tendency of individuals to migrate to marine waters (anadromy) or remain in freshwater habitats. In addition, substantial variation in migratory patterns can exist among anadromous and resident species. This talk summarizes our use of hydroacoustic telemetry to investigate the movement patterns of anadromous Chinook salmon Oncorhynchus tshawytscha remaining in the marine waters of Puget Sound after ocean entry rather than continuing out to the coastal waters of the North Pacific Ocean, as is typical of the species. …
An Inventory Of Environmental Governance In The Salish Sea, Laurie D. Trautman
An Inventory Of Environmental Governance In The Salish Sea, Laurie D. Trautman
Salish Sea Ecosystem Conference
How is the natural environment of the Salish Sea governed? The fact that the Salish Sea is bifurcated by a national border has inhibited our ability to answer this question. Indeed, the Salish Sea involves not only two national governments, but also a multitude of both state and non-state actors, which exist across scales, and interact in different frameworks (i.e. First Nations/tribes often seek only to negotiate with federal, rather than state/provincial governments). Environmental governance in the Salish Sea also encompasses informal modes of interaction involving public and private interest groups, social movements and community stakeholders, in addition to traditional …
Variable Marsh Resilience To Stress Offers Clues To Climate Change Adaptive Management, Roger Nathan Fuller, Katrina L. Poppe, John M. Rybczyk, Eric Grossman, Chad Stellern
Variable Marsh Resilience To Stress Offers Clues To Climate Change Adaptive Management, Roger Nathan Fuller, Katrina L. Poppe, John M. Rybczyk, Eric Grossman, Chad Stellern
Salish Sea Ecosystem Conference
In Puget Sound’s Stillaguamish estuary, tidal marshes exhibit evidence of multiple stressors that affect their vulnerability and provide insight into adaptive management opportunities to enhance their resilience. Despite high accretion rates, some marsh areas have receded by 10m/yr since 1964. Sources of stress include overgrazing by snow geese, high soil salinities, insect attacks, and changes in flow and inundation patterns. These interact with winter vegetation structure, sediment composition, and wave exposure to result in spatially variable marsh resilience. Some marshes are receding quickly, some slowly, and others are minimally affected. In the context of climate change, with potentially substantial near-term …
Skagit Climate Science Consortium: Using Local Polling To Provide Relevant Science, Carol B. Macilroy, Larry Wasserman
Skagit Climate Science Consortium: Using Local Polling To Provide Relevant Science, Carol B. Macilroy, Larry Wasserman
Salish Sea Ecosystem Conference
The Skagit Climate Science Consortium (SC2) and the Yale Project on Climate Change Communication partnered to conduct a public opinion poll in the spring of 2015 regarding Skagit County resident’s attitudes and perceptions regarding global warming. The effort, part of Yale’s renown 6 America’s Project, also is providing SC2 critical information to help understand local concerns and beliefs about climate change in order to better provide relevant and timely climate science to a broader Skagit community. This presentation will provide an overview of SC2’s theory of change regarding the role of climate science in supporting …
Committing To The Non-Traditional: The Path To The Incorporation Of 3d Models In An Online Journal, Dillon Mark Wackerman, Robert Z. Selden Jr.
Committing To The Non-Traditional: The Path To The Incorporation Of 3d Models In An Online Journal, Dillon Mark Wackerman, Robert Z. Selden Jr.
Fondren Library Research
In 2013 Dr. Robert Selden approached the Center for Digital Scholarship (CDS) at Stephen F. Austin State University (SFA) inquiring about the possibility of including interactive 3D models in a digital collection. Working with Dr. Selden, the CDS found a platform to which these models could be deposited and displayed. Concurrently, the CDS was actively promoting SFA’s institutional repository, SFA ScholarWorks. One guiding idea behind these IR-focused activities was the emphasis of the legitimacy of non-traditional works in respect to SFA ScholarWorks and the academic community as a whole. This idea and acceptance of the non-traditional was maintained as the …
Eyes On The Rise, Jennifer Fu, Susan Jacobson
Street-Level Predictive Modeling Of Nuisance Flooding Verified Via Crowdsourced App Data In Norfolk, Va, J. D. Loftis, H. V. Wang, D R. Forrest
Street-Level Predictive Modeling Of Nuisance Flooding Verified Via Crowdsourced App Data In Norfolk, Va, J. D. Loftis, H. V. Wang, D R. Forrest
Presentations
No abstract provided.
Estuarine Sediment Dynamics, C. T. Friedrichs
Information Literacy & Open Access For Physics And Astronomy Graduate Students, Jackie K. Werner
Information Literacy & Open Access For Physics And Astronomy Graduate Students, Jackie K. Werner
University Library Faculty Presentations
This presentation covers research on the physics and astronomy graduate students’ use and understanding of open access resources. The research, which was conducted in summer 2015, surveyed the physics and astronomy graduate students of Georgia Institute of Technology to discover how graduate students discover open access and other academic resources, as well as their level of awareness about open access in general and specific OA databases in particular. The research also included an interview with the graduate studies advisor in the Physics & Astronomy department Georgia Tech. The presentation also describes open access resources in Physics and Astronomy and relates …
Information Technology And Computer Science Programs: How Do We Relate?, Bonnie K. Mackellar, Gregory Hislop, Mihaela C. Sabin, Amber Settle
Information Technology And Computer Science Programs: How Do We Relate?, Bonnie K. Mackellar, Gregory Hislop, Mihaela C. Sabin, Amber Settle
Amber Settle
A Machine Learning Approach To Post-Market Surveillance Of Medical Devices, Jonathan Bates, Shu-Xia Li, Craig Parzynski, Ronald Coifman, Harlan Krumholz, Joseph Ross
A Machine Learning Approach To Post-Market Surveillance Of Medical Devices, Jonathan Bates, Shu-Xia Li, Craig Parzynski, Ronald Coifman, Harlan Krumholz, Joseph Ross
Yale Day of Data
Post-market surveillance is a collection of processes and activities used by product manufacturers and regulators, such as the U.S. Food and Drug Administration (FDA) to monitor the safety and effectiveness of medical devices once they are available for use “on the market”. These activities are designed to generate information to identify poorly performing devices and other safety problems, accurately characterize real-world device performance and clinical outcomes, and facilitate the development of new devices, or new uses for existing devices. Typically, a device is monitored by comparing adverse events in the exposed population to a matched unexposed population. This research considers …
Soil Chemistry On Watershed 1: 1998 - 2014, Chris E. Johnson
Soil Chemistry On Watershed 1: 1998 - 2014, Chris E. Johnson
Chris E Johnson
No abstract provided.
Soil Chemistry On Watershed 1: 1998 - 2014, Chris E. Johnson
Soil Chemistry On Watershed 1: 1998 - 2014, Chris E. Johnson
Civil and Environmental Engineering
No abstract provided.
Simulations In Prisons, Kim Read
Simulations In Prisons, Kim Read
Kim Read
A High-Altitude Balloon Platform For Determining Regional Uptake Of Carbon Dioxide Over Agricultural Landscapes, Angela M. Bouche
A High-Altitude Balloon Platform For Determining Regional Uptake Of Carbon Dioxide Over Agricultural Landscapes, Angela M. Bouche
2017 Academic High Altitude Conference
Interactions between the biosphere and atmosphere are an important part of the global carbon cycle, and quantifying the carbon dioxide exchanges between them is helpful in predicting the uptake of carbon dioxide from anthropogenic sources by the biosphere in the future. In the Midwestern United States, agricultural systems cover a large part of the landscape, so understanding their role in influencing the global carbon budget is crucial as anthropogenic sources of carbon dioxide grow larger. Carbon dioxide exchanges can be measured by eddy covariance at the ecosystem level (bottom-up approach) or regionally by inversion techniques (top-down approach). Here we describe …
Building An Undergraduate Cohort In High Altitude Ballooning, Mike Davis
Building An Undergraduate Cohort In High Altitude Ballooning, Mike Davis
2017 Academic High Altitude Conference
City Colleges of Chicago (CCC), in partnership with DePaul University and the Illinois Space Grant Consortium, has recently been awarded a grant from NASA to develop a research and education program in high-altitude ballooning. The project builds on the Chicago Initiative for Research and Recruitment in the Undergraduate Sciences (CIRRUS) model of undergraduate research and community college/four year college collaborative projects, a successful NSF-funded collaboration between DePaul and CCC. The project has four goals: (1) initiate a year-round undergraduate research program to recruit promising community college students into the STEM disciplines, (2) provide tuition support and fellowships to support student …
Nasa Nebraska High Altitude Ballooning And The Fab Lab, Kendra Sibbernsen, Michael Sibbernsen
Nasa Nebraska High Altitude Ballooning And The Fab Lab, Kendra Sibbernsen, Michael Sibbernsen
2017 Academic High Altitude Conference
The NASA Nebraska High Altitude Ballooning (N-NHAB) program has collaborated on projects with the Fab Lab at Metropolitan Community College (MCC) in Omaha, NE. Based on the MIT Center for Bits and Atoms, the Fab Lab contains 3D printers, laser cutters, CNC machines, and much more. In its trial phase, the Fab Lab encouraged projects from the sciences. In response to this request, one of these projects involved a HAB student who wanted to streamline custom circuitry for measuring the efficiency of solar cells. The circuit pathways were designed and precisely cut from a copper sheet and the laser cutter …
Horizontal Phase Speed Distribution Of Gravity Waves Observed In Mesospheric Temperature Maps, Ahmad Talaei, Mike Taylor, Pierre-Dominique Pautet, Yucheng Zhao, Takashi S. Matsuda, Takuji Nakamura
Horizontal Phase Speed Distribution Of Gravity Waves Observed In Mesospheric Temperature Maps, Ahmad Talaei, Mike Taylor, Pierre-Dominique Pautet, Yucheng Zhao, Takashi S. Matsuda, Takuji Nakamura
Ahmad Talaei
The goal of the current work is to develop a method suitable for analyzing the horizontal phase speeds of atmospheric gravity waves from an extensive amount of gravity wave data obtained by the USU Advanced Mesospheric Temperature Mapper (AMTM) from Logan, Utah and South Pole, Antarctica. AMTM is a novel infrared digital imaging system that measures selected emission lines in the mesospheric OH (3,1) band to create intensity and temperature maps of the mesosphere. This analysis builds on the recent work by Matsuda et al. using all-sky (180° field-of-view) intensity data to investigate the gravity waves horizontal phase speed distribution. …
A Computer Science Linked-Courses Learning Community, Amber Settle, John Lalor, Theresa Steinbach
A Computer Science Linked-Courses Learning Community, Amber Settle, John Lalor, Theresa Steinbach
Amber Settle
Radioprotective Effect Of Vitamin C (L-Ascorbic Acid) And Some Myriad Enzymes, Nkiru F. Opara Jarlath
Radioprotective Effect Of Vitamin C (L-Ascorbic Acid) And Some Myriad Enzymes, Nkiru F. Opara Jarlath
Nkiru Opara
It is observed that vitamin C has similar structure with that of melatonin, from chemistry point of view compounds of similar structure has the same chemical properties but different physical properties. This is a research on the radioprotective effect of vitamin C / glutathione and some free radical scavengers. Radiation in human body is a process where energy emitted by one body travels in a straight line through a medium or through space. It is energy in the form of particles or waves. It is emitted naturally in sunlight and is also made by man for use in X-rays, cancer …
Who Are You? ...Honestly!, Zeinab Mahdavifar
Who Are You? ...Honestly!, Zeinab Mahdavifar
TAC Talks
Online social media has made life easier in many ways. Stay in touch with old classmates (Facebook), find a way to connect to like-minded professionals all over the globe (LinkedIn), and even seek help from fellow humans we could never imagine otherwise to help us (Mechanical Turk)! Social network profiles are never complete. Ascertaining personality traits and accurate determination of age and gender can make such social networks safer and stronger instruments of true collaboration and human connection.
In my talk, I will discuss the predictive models we built with the Social Media group within the Center for Data Science …
Private Predictive Modeling Power, Stacey C. Newman
Private Predictive Modeling Power, Stacey C. Newman
TAC Talks
The predictive potential of the many large datasets being held in healthcare, financial markets, social media, etc. by separate entities is locked behind privacy constraints. These separate entities either cannot share their data with one another or it is against their interests to do so. The ability to produce powerful predictive models that leverage knowledge from these different data sources is restrained by an inability to do so without revealing the data.
In my talk, I will outline our proposed protocol in which two different entities can build one of the most popular machine learning modules, a linear regression model …
Org Or Inorg? Atmospheric Carbon Controls That Initiated The Late Paleozoic Ice Age 326mya, Paco Defrancis
Org Or Inorg? Atmospheric Carbon Controls That Initiated The Late Paleozoic Ice Age 326mya, Paco Defrancis
CLAS: Colby Liberal Arts Symposium
The Late Paleozoic Ice Age (LPIA) was a major global icehouse that initiated in the Mississippian (326 million years ago; ma) and lasted through the Early Permian (267ma). An ice sheet nucleated in southern Gondwana near the South Pole, which either paleogeography (positioning of paleocontinents) or atmospheric concentration of the greenhouse gas CO2 controlled. In this paper I accept recent findings that prove atmospheric pCO2 and not paleogeography forced global cooling that resulted in the nucleation of Gondwanan ice sheets that defined the LPIA. There remains no broad consensus of what caused pCO2 lowering in the Mississippian. Organic carbon found …
Exploring Computer Graphics: Photorealistic And Non-Photorealistic Rendering, Brittany Chin
Exploring Computer Graphics: Photorealistic And Non-Photorealistic Rendering, Brittany Chin
CLAS: Colby Liberal Arts Symposium
Over the course of the year, the Advanced Computer Graphics course has explored a variety of image rendering techniques starting with the basic filling of polygons, and working all the way up to non-photorealistic rendering techniques. I have implemented a variety of these techniques in projects which demonstrate the growth and advancements of graphics over time. The implementations that are featured are an interactive tile game, a curve editor, a ray-tracer, and a non-photorealistic project. The capabilities of computer graphics are seemingly endless, and it is getting easier and easier to model the real world in synthetic systems. Where will …
Graphics, Beatrice Liang
Graphics, Beatrice Liang
CLAS: Colby Liberal Arts Symposium
Here I show images generating using computer graphics methods ranging from green screen images to 3D models
3d Model Generation From Flat Images And Other Pretty Pictures, Matthew Levine
3d Model Generation From Flat Images And Other Pretty Pictures, Matthew Levine
CLAS: Colby Liberal Arts Symposium
We present a novel method of generating 3D models from 2D images using neural network techniques. We also show a custom implementation of a global illumination model natively integrated into Python's standard 2D image library (with a fast C backend).
Trees And Non-Photorealistic Images, Christopher Burnham
Trees And Non-Photorealistic Images, Christopher Burnham
CLAS: Colby Liberal Arts Symposium
Showing of a graphics system with some trees and non-photorealistic images.