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Articles 1 - 30 of 50
Full-Text Articles in Engineering
College Of Engineering Senior Design Competition Fall 2013, University Of Nevada, Las Vegas
College Of Engineering Senior Design Competition Fall 2013, University Of Nevada, Las Vegas
Fred and Harriet Cox Senior Design Competition Projects
Part of every UNLV engineering student’s academic experience, the senior design project stimulates engineering innovation and entrepreneurship. Each student in their senior year chooses, plans, designs, and prototypes a product in this required element of the curriculum. A capstone to the student’s educational career, the senior design project encourages the student to use everything learned in the engineering program to create a practical, real world solution to an engineering challenge. The senior design competition helps focus the senior students in increasing the quality and potential for commercial application for their design projects. Judges from local industry evaluate the projects on …
Drainage Structure Datasets And Effects On Lidar-Derived Surface Flow Modeling, Ruopu Li, Zhenghong Tang, Xu Li, Jessie Winter
Drainage Structure Datasets And Effects On Lidar-Derived Surface Flow Modeling, Ruopu Li, Zhenghong Tang, Xu Li, Jessie Winter
School of Natural Resources: Faculty Publications
With extraordinary resolution and accuracy, Light Detection and Ranging (LiDAR)-derived digital elevation models (DEMs) have been increasingly used for watershed analyses and modeling by hydrologists, planners and engineers. Such high-accuracy DEMs have demonstrated their effectiveness in delineating watershed and drainage patterns at fine scales in low-relief terrains. However, these high-resolution datasets are usually only available as topographic DEMs rather than hydrologic DEMs, presenting greater land roughness that can affect natural flow accumulation. Specifically, locations of drainage structures such as road culverts and bridges were simulated as barriers to the passage of drainage. This paper proposed a geospatial method for producing …
Improving Global Impact: How The Integration Of Remotely Reporting Sensors In Water Projects May Demonstrate And Enhance Positive Change, Evan A. Thomas
Improving Global Impact: How The Integration Of Remotely Reporting Sensors In Water Projects May Demonstrate And Enhance Positive Change, Evan A. Thomas
Mechanical and Materials Engineering Faculty Publications and Presentations
This article argues that improved feedback on the actual impact of development programs may ensure the success of poverty reduction interventions such as water filters, water pumps, latrines, and cookstoves.
The Cost Of Green Infrastructure: Worth The Investment?, Martha Sheils
The Cost Of Green Infrastructure: Worth The Investment?, Martha Sheils
Green Infrastructure
Is GI worth the investment?
• LID techniques often lead to cost savings when we look at WHOLE PROJECT COSTS
• Natural Infrastructure investments for flood control, drinking water protection and wildlife habitat can yield SIGNIFICANT AVOIDED COSTS and additional co-benefits to communitites
Assessing The Performance Of A Northern Gulf Of Mexico Tidal Model Using Satellite Imagery, Stephen C. Medeiros, Scott C. Hagen, Naira Chaouch, Jesse Feyen, Marouane Temimi, John F. Weishampel, Yuji Funakoshi, Reza Khanbilvardi
Assessing The Performance Of A Northern Gulf Of Mexico Tidal Model Using Satellite Imagery, Stephen C. Medeiros, Scott C. Hagen, Naira Chaouch, Jesse Feyen, Marouane Temimi, John F. Weishampel, Yuji Funakoshi, Reza Khanbilvardi
Publications and Research
Tidal harmonic analysis simulations along with simulations spanning four specific historical time periods in 2003 and 2004 were conducted to test the performance of a northern Gulf of Mexico tidal model. A recently developed method for detecting inundated areas based on integrated remotely sensed data (i.e., Radarsat-1, aerial imagery, LiDAR, Landsat 7 ETM+) was applied to assess the performance of the tidal model. The analysis demonstrates the applicability of the method and its agreement with traditional performance assessment techniques such as harmonic resynthesis and water level time series analysis. Based on the flooded/non-flooded coastal areas estimated by the integrated remotely …
Sweet (Small Wind Energy Estimation Tool), Thomas Woolmington, Keith Sunderland
Sweet (Small Wind Energy Estimation Tool), Thomas Woolmington, Keith Sunderland
Other resources
Description:
Generic Wind Energy Estimation Model incorporating Turbulence Intensity.
Requirements:
Manufacturer specific wind turbine characteristic
Mean wind speed at a specific height
Site conditions in terms of TI and Surface Roughness
Disclaimer:
This model has been designed as an estimation tool for estimating the wind power yield of a custom turbine for an idealised set of site conditions for a given year.
While the assumptions that are made in this estimation tool are mathematically plausible they should not in any way be interpreted as an alternative to a real world site assessment.
A list of assumptions to which the model …
Traditional Boat Building: An Intersection Of Zanzibar’S Culture And Environment, Eric Levenson
Traditional Boat Building: An Intersection Of Zanzibar’S Culture And Environment, Eric Levenson
Independent Study Project (ISP) Collection
This study examined traditional boat building on Uzi Island as a manifestation of Zanzibar’s relationship of environment and culture. Information was gathered about traditional boat building practices, the resource use and management pertaining to boats, the cultural reliance on boats, and local views on environment and conservation. This information showed that the people of Uzi Island were dependent on the use of traditional boats to maintain their livelihood, however the tree types used for boat building are being over-harvested. This tension of culture and environment exposed the need for conservation of Zanzibar’s natural resources in a manner that does not …
Issue Brief: Saving By Mitigating, University Of Louisville, New England Environmental Finance Center
Issue Brief: Saving By Mitigating, University Of Louisville, New England Environmental Finance Center
Sustainable Communities Capacity Building
Natural disasters can cause loss of life, inflict damage to buildings and infrastructure, and have devastating consequences for a community’s economic, social, and environmental well-being. Hazard mitigation means reducing damages from disasters.
Local governments have the responsibility to protect the health, safety, and welfare of their citizens. Proactive mitigation policies and actions help reduce risk and create safer, more disaster-resilient communities. Mitigation is an investment in your community’s future safety, equity, and sustainability.
Review Of Computer-Aided Numerical Simulation In Wind Energy, Aaron Miller, Byungik Chang, Roy Issa, Gerald Chen
Review Of Computer-Aided Numerical Simulation In Wind Energy, Aaron Miller, Byungik Chang, Roy Issa, Gerald Chen
Civil Engineering Faculty Publications
Many advances have been made during the last decade in the development and application of computational fluid dynamics (CFD), finite element analysis (FEA), numerical weather modeling, and other numerical methods as applied to the wind energy industry. The current information about this area of study may help researchers gage research efforts. Specifically, micro-siting, wind modeling and prediction, blade optimization and modeling, high resolution turbine flow modeling, support structure analysis, and noise prediction have been the main focuses of recent research. The advances in this area of research are enabling better designs and greater efficiencies than were possible previously. The trends …
Ogden College Of Science & Engineering Newsletter (Fall 2013), Cheryl Stevens, Dean
Ogden College Of Science & Engineering Newsletter (Fall 2013), Cheryl Stevens, Dean
Ogden College of Science & Engineering Publications
No abstract provided.
Biofuel From Microalgae – A Review On The Current Status And Future Trends, Rajee Olaganathan, May Zaw Htet, Lim Yan Ling, Sek Hui Yun
Biofuel From Microalgae – A Review On The Current Status And Future Trends, Rajee Olaganathan, May Zaw Htet, Lim Yan Ling, Sek Hui Yun
Publications
The constant reliance on fossil fuel energy resources is unsustainable, due to both depleting world reserves and increasing green house gas emissions associated with their use and thus there are dynamic research at the global level envisioned at developing alternative renewable and potentially carbon neutral solid, liquid and gaseous biofuels as alternative energy resources. The contemporary knowledge and technology predictions have proved that among the third generation biofuels especially those derived from microalgae are considered the best reasonable alternative energy resource compared to undeniable drawbacks of first and second generation biofuels. Moreover, its efficiency to sequester carbon from the atmosphere …
Sustainable Design Education Through A Self-Directed Online System, Jeremy Faludi, Adam Menter
Sustainable Design Education Through A Self-Directed Online System, Jeremy Faludi, Adam Menter
Dartmouth Scholarship
Sustainable design and engineering is an important topic, yet it is under-represented in educational institutions; moreover, it must be taught to practicing professionals, not just students. A free online system has been created to address both problems at once, providing educational materials for educators and also providing a self-paced program for professionals or students to earn a certificate in sustainable design. Called the Autodesk Sustainability Workshop, it is a collection of video tutorials and supporting materials (PDF reference guides, slide decks, quizzes, and other resources) that can be used either by individuals themselves or by educators (either in schools or …
Juxtaposing Nasa’S Aeronet Aod With Carb Pm Data Over The San Joaquin Valley To Facilitate Multi-Angle Imaging Spectroradiometer (Misr) Pm Pollution Research, John Kanemoto
STAR Program Research Presentations
Airborne particulate matter (PM) has been shown to increase the risk for asthma, chronic bronchitis, cardiopulmonary complications, and respiratory cell membrane damage/infection/leakage. PM levels are currently analyzed from two perspectives: stationary land-based monitoring (LBM) sites and total Aerosol Optical Depth (AOD) atmospheric column measurements. Both perspectives often leave miles of space between measuring locations and will have a continually increasing cost from introducing/maintaining sites. The Multi-angle Imaging SpectroRadiometer (MISR) satellite team hopes to begin investigating/archiving PM levels comprehensively via inputting MISR AOD measurements into a function/model which predicts the amount of ground level PM.
In the future, multivariable spatial correlations …
Social Capital And Walkability As Social Aspects Of Sustainability, Shannon Rogers, Kevin Gardner, Cynthia Carlson
Social Capital And Walkability As Social Aspects Of Sustainability, Shannon Rogers, Kevin Gardner, Cynthia Carlson
Civil Engineering Faculty Publications
The concepts of sustainability and sustainable development are frequently described as having three main components, sometimes referred to as the three pillars or the triple bottom line: environmental, economic, and social. Because of an historical focus in the sustainability field on correcting environmental problems, much consideration has been given to environmental issues, especially how they interface with economic ones. Frequently mentioned but rarely examined, the social aspects of sustainability have been considered the weakest and least described pillar. After a brief review of existing concepts and theories, this paper uses a case study approach to examine the third pillar more …
Agenda: Changing Regulatory Frameworks For Shale Development And "Social License To Operate", University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment
Agenda: Changing Regulatory Frameworks For Shale Development And "Social License To Operate", University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment
Changing Regulatory Frameworks for Shale Development and "Social License to Operate" (July 24)
Rapid development of unconventional shale resources in recent years has raised a series of regulatory issues both here and abroad. Because of the "distributed" nature of shale development and the significant increase in wells in key basins, local land-use conflicts have also erupted in certain areas of the country, leading to restrictions and moratoria on drilling by state, county, and municipal governments and raising questions about the industry's continued social license to operate in key jurisdictions. This moderated panel discussion will assess the current regulatory framework governing shale gas development and the changing dynamics among federal, state, and local regulation …
Influence Of Media Composition On The Growth Rate Of Chlorella Vulgaris And Scenedesmus Acutus Utilized For Co2 Mitigation, Czarena L. Crofcheck, Xinyi E, Aubrey Shea, Michael D. Montross, Mark Crocker, Rodney Andrews
Influence Of Media Composition On The Growth Rate Of Chlorella Vulgaris And Scenedesmus Acutus Utilized For Co2 Mitigation, Czarena L. Crofcheck, Xinyi E, Aubrey Shea, Michael D. Montross, Mark Crocker, Rodney Andrews
Biosystems and Agricultural Engineering Faculty Publications
Atmospheric carbon dioxide levels have increased since the industrial revolution due to increasing combustion of fossil fuels. One possible CO2 mitigation strategy is the use of microalgae for mitigation of CO2. This paper focuses on the influence of media composition on the growth rate of two microalgae strains, Chlorella vulgaris and Scenedesmus actus. A KNO3 based medium was found to work better for Chlorella, while a urea based equivalent worked better for Scenedesmus. The urea based media investigated here resulted in growth similar to that found with previously reported KNO3 based media. …
Agenda: Water, Oil And Gas: Recycling And Reuse Of Water, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment. Intermountain Oil And Gas Bmp Project, Rocky Mountain Land Use Institute, Sturm College Of Law, University Of Denver, Colorado Bar Association, Natural Resources & Energy Section
Agenda: Water, Oil And Gas: Recycling And Reuse Of Water, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment. Intermountain Oil And Gas Bmp Project, Rocky Mountain Land Use Institute, Sturm College Of Law, University Of Denver, Colorado Bar Association, Natural Resources & Energy Section
Water, Oil and Gas: Recycling and Reuse of Water (June 11)
Program co-chairs: Sarah Klahn, Matthew Sura; planning committee: Susan Daggett, Kathryn Mutz.
Co-sponsored by: Getches-Wilkinson Center for Natural Resources, Energy and the Environment, University of Colorado Law School, Rocky Mountain Land Use Institute, Sturm College of Law, University of Denver, Natural Resources & Energy Section of the Colorado Bar Association.
This program is the second in a 3-part series focusing on critical water, oil and gas issues in Colorado. This second program focuses on the technology behind the recycling of produced water and hydraulic back fracturing flowback fluid and the issue of mandatory recycling. It also addresses the legal implications …
College Of Engineering Senior Design Competition Spring 2013, University Of Nevada, Las Vegas
College Of Engineering Senior Design Competition Spring 2013, University Of Nevada, Las Vegas
Fred and Harriet Cox Senior Design Competition Projects
Senior Design Experience
Part of every UNLV engineering student's academic experience, the Senior Design project stimulates engineering innovation and entrepreneurship. Each student in their senior year chooses, plans, designs and prototypes a product in this required element of the curriculum. Working in teams, the senior design project encourages students to use everything learned in the engineering and computer design programs to create a practical, real world solution to an engineering challenge.
Beyond the classroom ...
Because of the requirement to work in teams, students also build good communication skills, presentation skills and even business writing skills. They also have to …
Energy And Climate Interactions In The Urban Environment, David J. Sailor
Energy And Climate Interactions In The Urban Environment, David J. Sailor
Mechanical and Materials Engineering Faculty Publications and Presentations
This presentation focuses on sustainable design choices and characteristics
Soil Organic Carbon Dynamics In Agriculture: Model Development And Application From Daily To Decadal Timescales, Matthew P. Pelton
Soil Organic Carbon Dynamics In Agriculture: Model Development And Application From Daily To Decadal Timescales, Matthew P. Pelton
Department of Agricultural and Biological Systems Engineering: Dissertations, Theses, and Student Research
Soil carbon (C) is the largest terrestrial C pool globally, containing more C than the atmosphere and biosphere. Soil organic carbon (SOC) is a source and sink of CO2 emissions to and from the atmosphere, thus influencing future climate change. Understanding SOC dynamics is also important for maintaining C stocks to sustain and improve crop yields. An existing model to estimate changes in SOC due to respiration was modified to operate in three computational platforms: MS Excel, MS Excel with Visual Basic for Applications, and supercomputing. This model was validated against CO2 flux data from a 9-year field …
Fast Pyrolysis Of Muconic Acid And Formic Acid Salts, Laura Duran
Fast Pyrolysis Of Muconic Acid And Formic Acid Salts, Laura Duran
Honors College
Lignocellulosic biomass is emerging as a sustainable resource for the production of alternative liquid fuels. As the need to lessen dependence on petroleum sources grows, lignocellulosic feedstocks are being investigated as a renewable, abundant source of energy. Chemical pulping processes include a high-lignin by-product, black liquor, which is already used for fuel in industry. Black liquor is burned to generate steam and electricity and to recover pulping chemicals. Currently, the thermochemical conversion of black liquor to liquid fuel is being researched at The University of Maine. In this black liquor research, an intermediate lignin-derived acid, muconic acid, and formic acid …
Predicting Groundwater Trading Participation In The Upper Republican River Natural Resource District, Elizabeth M. Juchems
Predicting Groundwater Trading Participation In The Upper Republican River Natural Resource District, Elizabeth M. Juchems
Department of Agricultural Economics: Dissertations, Theses, and Student Research
The goal of this thesis is to predict participation in groundwater trading and the directions of trades among participants. Specifically, the paper considers both formal and informal trading of groundwater used for crop irrigation purposes and attempts to identify those characteristics that predict the probability of trade participation and whether an individual is a buyer or seller of groundwater rights. While the public benefits from efficient use of groundwater include adequate stream flow in hydrologically connected areas and future use of groundwater supplies, there are significant private benefits to landowners especially in water-short areas. Groundwater trading can help move water …
Agenda: Water, Oil And Gas 101, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment. Intermountain Oil And Gas Bmp Project, Rocky Mountain Land Use Institute, Sturm College Of Law, University Of Denver, Colorado Bar Association Cle, White & Jankowski, Llp
Agenda: Water, Oil And Gas 101, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment. Intermountain Oil And Gas Bmp Project, Rocky Mountain Land Use Institute, Sturm College Of Law, University Of Denver, Colorado Bar Association Cle, White & Jankowski, Llp
Water, Oil and Gas 101 (April 10)
Program co-chairs: Sarah Klahn, Matthew Sura; planning committee: Susan Daggett, Kathryn Mutz.
This full-day program, cosponsored by the Rocky Mountain Land Use Institute (Sturm College of Law, University of Denver), the Colorado Bar Association CLE, and White & Jankowski, LLP, was the first of a 3-part series focusing on water, oil and gas issues of critical interest in Colorado.
The first program provided an overview of the pertinent law and issues generated when the water, oil and gas industries interact; and addressed water quality concerns and the purchasing of water from municipalities for hydraulic fracturing and drilling. Program #2 is …
El Agua En Granada / Water In Granada, Spencer Lacy
El Agua En Granada / Water In Granada, Spencer Lacy
Spain: Language, Community, and Social Change
I am a junior in college studying civil engineering with a focus in water resources at the University of Colorado at Boulder. My entire life I have been surrounded with water and rivers. I began kayaking as a toddler in the Colorado rivers and have spent a large part of my life living, playing, exercising, and working in rivers. My grandfather is a civil engineer who owns a water resource company, my father is a civil engineer who designs whitewater kayak courses all over the world, and my older brother recently graduated from CU after studying civil engineering and is …
Water Demand And Allocation In The Mara River Basin, Kenya/Tanzania In The Face Of Land Use Dynamics And Climate Variability, Shimelis B. Dessu
Water Demand And Allocation In The Mara River Basin, Kenya/Tanzania In The Face Of Land Use Dynamics And Climate Variability, Shimelis B. Dessu
FIU Electronic Theses and Dissertations
The Mara River Basin (MRB) is endowed with pristine biodiversity, socio-cultural heritage and natural resources. The purpose of my study is to develop and apply an integrated water resource allocation framework for the MRB based on the hydrological processes, water demand and economic factors. The basin was partitioned into twelve sub-basins and the rainfall runoff processes was modeled using the Soil and Water Assessment Tool (SWAT) after satisfactory Nash-Sutcliff efficiency of 0.68 for calibration and 0.43 for validation at Mara Mines station. The impact and uncertainty of climate change on the hydrology of the MRB was assessed using SWAT and …
Integrating Emotional Attachment And Sustainability In Electronic Product Design, Alex Lobos, Callie W. Babbitt
Integrating Emotional Attachment And Sustainability In Electronic Product Design, Alex Lobos, Callie W. Babbitt
Articles
Current models for Information and Communication Technology (ICT) products encourage frequent product replacement with newer versions that offer only minor incremental improvements. This pattern, named planned obsolescence, diminishes user experience and shortens product lifespan. This paper presents the conceptual basis for a two-part integrated approach to combating planned obsolescence in ICT devices. First, design for emotional attachment, which creates products that users enjoy, value, and use for longer. Second, technological adaptability, which anticipates product upgrades and repairs as new technologies emerge. A model interdisciplinary design course in industrial design and sustainability, also described herein, trains students to apply this approach …
Agenda: What The Frack? How Your Investments Can Impact The Fracking Industry, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment. Intermountain Oil And Gas Bmp Project, Sustainable Impact Investment Advisors
Agenda: What The Frack? How Your Investments Can Impact The Fracking Industry, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment. Intermountain Oil And Gas Bmp Project, Sustainable Impact Investment Advisors
What the Frack? How Your Investments Can Impact the Fracking Industry (March 13)
Sustainable Impact Investment Advisors, a professional association of investment advisors whose practices focus on sustainable and socially responsible investing, sponsored a panel conversation on hydraulic fracking. A panel of experts, including industry representatives and grass roots opponents, discussed the pros and cons of fracking. The panel provided an overview of fracking, and food for thought about whether you choose to include this industry in your investments, or influence companies to use this technology with only the utmost care.
Recurrent Coastal Flooding: How Should Virginia Respond?, Molly Mitchell Rogerro
Recurrent Coastal Flooding: How Should Virginia Respond?, Molly Mitchell Rogerro
March 13, 2013: Regional Sea Level Rise Assessment, Adaptation and Flood Mitigation Projects
No abstract provided.
Soil Chemistry Response To Wollastonite (Casio3) Addition At Hubbard Brook, Chris E. Johnson
Soil Chemistry Response To Wollastonite (Casio3) Addition At Hubbard Brook, Chris E. Johnson
Civil and Environmental Engineering
No abstract provided.
The Effects Of Physical Activity On Greenhouse Gas Emissions For Common Transport Modes In European Countries, Aidan Duffy, Robert Crawford
The Effects Of Physical Activity On Greenhouse Gas Emissions For Common Transport Modes In European Countries, Aidan Duffy, Robert Crawford
Articles
This paper applies a life cycle methodology to estimate activity-related contributions of transport modes to GHG emissions. The methodology uses national input-output tables, environmental accounts, household budget data and nutritional data to derive food-sector GHG coefficients of consumption for ten European countries. The food energy requirements for each mode of transport are estimated taking account of the modal activity level and energy requirements. Walking, cycling, driving and bus travel are considered. Typical national food energy-related emissions for walking, cycling, and driving ranged from 25.6 - 77.3 gCO2-eq/pass.km, 10.4 - 31.4 gCO2-eq/pass.km and 1.7 - 5.2 gCO2-eq/pass.km; passenger transport was found …