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Full-Text Articles in Civil and Environmental Engineering

2013 Fall Engr333 Project Assignment, Matthew K. Heun Sep 2013

2013 Fall Engr333 Project Assignment, Matthew K. Heun

ENGR 333

The Fall 2013 ENGR333 project focused on production and use of biofuels at Calvin University.

I asked the students “What would it take for Calvin College to operate a biofuel vehicle from campus resources?”

Customer

The customer for this project was Calvin’s Physical Plant director Phil Beezhold.


Issue Brief: Saving By Mitigating, University Of Louisville, New England Environmental Finance Center Sep 2013

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 Sep 2013

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 …


A Study On Appraisal Of Government Performance In Zhuhai Marine Pollution Prevention Management, Dan Jiao Aug 2013

A Study On Appraisal Of Government Performance In Zhuhai Marine Pollution Prevention Management, Dan Jiao

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.


Social Capital And Walkability As Social Aspects Of Sustainability, Shannon Rogers, Kevin Gardner, Cynthia Carlson Aug 2013

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 …


Phosphorus Removal From Ebpr Sludge Dewatering Liquors Using Lanthanum Chloride, Aluminum Sulfate And Ferric Chloride, Michael Strileski Aug 2013

Phosphorus Removal From Ebpr Sludge Dewatering Liquors Using Lanthanum Chloride, Aluminum Sulfate And Ferric Chloride, Michael Strileski

UNLV Theses, Dissertations, Professional Papers, and Capstones

In wastewater treatment, enhanced biological phosphorus removal (EBPR) is becoming an increasingly popular alternative to chemical precipitation (CP) because of its lower costs and reduced sludge production. However, downstream solids handling processes such as digestion, sludge storage and dewatering promote an undesirable release (i.e. secondary release) of polyphosphate that was stored within EBPR sludge. Released phosphate is recycled to the head of the plant with the liquors of sludge dewatering processes. The concentration of phosphate in recycle streams from EBPR systems can be one to two orders of magnitude higher than the influent phosphorus concentration entering the EBPR system. Plants …


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 Aug 2013

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 …


Evaluation Of Broiler Litter Heat Production During Windrowing & Nitrogen Based Gas Emission Mitigation Using Biofilter, Min Lei Aug 2013

Evaluation Of Broiler Litter Heat Production During Windrowing & Nitrogen Based Gas Emission Mitigation Using Biofilter, Min Lei

Graduate Theses and Dissertations

Ammonia emission from animal feeding operations (AFOs) has negative effects on environment and animals' health. Thus measuring and mitigating ammonia emission from AFOs is important for environmental protection. In chapter I, different ammonia measurements were discussed and a mitigation technology- biofilter was represented.

In-house windrowing of built-up litter has been used by broiler producers to reduce pathogen loads and rejuvenate litter for the next flock. When litter is piled up for an extended period during downtime, heat generated by the litter pile can become a substantial heat source due to the metabolism of microorganisms. In chapter II, heat production rates …


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 Jul 2013

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 …


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 Jun 2013

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 …


Climate Change Impact On The Spatio-Temporal Variability Of Hydro-Climate Extremes, Mohammad Reza Najafi Jun 2013

Climate Change Impact On The Spatio-Temporal Variability Of Hydro-Climate Extremes, Mohammad Reza Najafi

Dissertations and Theses

The rising temperature of the earth due to climate change has shown to alter the variations of hydro-climate variables, including their intensities, frequencies and durations. Extreme events such as floods are, in particular, susceptible to any disturbances in climate cycles. As such it is important to provide policymakers with sufficient knowledge about the probable impacts of climate change on hydrologic extremes and most importantly on floods, which have the highest impacts on the societies. For this reason analysis of hydro-climate extremes is commonly performed using data at each site (or grid cell), however due to the limited number of extreme …


Extending Technology Roadmap Through Fuzzy Cognitive Map-Based Scenarios: The Case Of The Wind Energy Sector Of Pakistan, Muhammad Amer May 2013

Extending Technology Roadmap Through Fuzzy Cognitive Map-Based Scenarios: The Case Of The Wind Energy Sector Of Pakistan, Muhammad Amer

Dissertations and Theses

In this modern era, energy is a key element required for sustainable development and prosperity of a society. Pakistan is an energy deficient country facing problems due to the shortage of over 4000 MW of electricity. The national energy sector is heavily dependent on imported fossil-fuel resources. The energy crisis is negatively affecting all economic and business activities, and it is widely recognized as a severe obstacle to growth and poverty reduction in the country. Establishment of wind farms can help to overcome the energy crisis.

In this research, a national level wind energy roadmap is developed through scenario planning. …


College Of Engineering Senior Design Competition Spring 2013, University Of Nevada, Las Vegas May 2013

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 …


Greening The Streets: A Comparison Of Sustainable Stormwater Management In Portland, Oregon And Los Angeles, California, Na'ama Schweitzer May 2013

Greening The Streets: A Comparison Of Sustainable Stormwater Management In Portland, Oregon And Los Angeles, California, Na'ama Schweitzer

Pomona Senior Theses

Stormwater runoff is one of the main sources of pollution for urban waterways. Stormwater has traditionally been managed through concrete-based storm drainage systems, but the past twenty years have introduced an alternative in the form of green infrastructure. Green infrastructure for stormwater management involves the use of low impact development (LID), often vegetated facilities to mimic natural hydrologic systems that capture and allow infiltration of rainwater where it falls and from impervious surfaces upstream, before entering the drainage system. Portland, Oregon and Los Angeles, California have adopted green infrastructure into their stormwater management plans. For this project, bioswales, a form …


Investigating The Feasibility Of Growing Algae For Fuel In Southern Nevada, Faegheh Moazeni May 2013

Investigating The Feasibility Of Growing Algae For Fuel In Southern Nevada, Faegheh Moazeni

UNLV Theses, Dissertations, Professional Papers, and Capstones

Microalgae capable of growing in waste are adequate to be mass-cultivated for biodiesel, avoiding fertilizers and clean water, two obstacles to sustainability of the feedstock production. This study replaces fertilizers and clean water with waste products. The investigated wastes include (1) the liquid fraction of sewage after solids and particles are removed, known as centrate, and (2) algal biomass residue, i.e. the algae remaining at the end of the lipids extraction process at biofuel plants. These wastes contain sufficient amount of nitrogen and phosphorus required for algal growth. This study proposes a system in which centrate would be used as …


Soil Organic Carbon Dynamics In Agriculture: Model Development And Application From Daily To Decadal Timescales, Matthew P. Pelton May 2013

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 …


Predicting Groundwater Trading Participation In The Upper Republican River Natural Resource District, Elizabeth M. Juchems May 2013

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 …


Sustainable Urban Rail Trails: Designing The Cross Kirkland Corridor, Mia Cooledge May 2013

Sustainable Urban Rail Trails: Designing The Cross Kirkland Corridor, Mia Cooledge

Scripps Senior Theses

This thesis is a guide to building a sustainable rail-trail, wherein I focus on invasive species removal, green pavement, and creating an inviting space with the inclusion of integrated art. When the City of Kirkland, WA purchased the 5.75 mile long section of railroad going through the city, I approached city manager Kurt Triplett to ask about his plans for the corridor. He liked the idea of aiming for a sustainable trail, so I wrote a guide to building an environmentally friendly trail based on a number of prominent readings on sustainable design.


Floatovoltaics: Quantifying The Benefits Of A Hydro-Solar Power Fusion, Abe Mckay May 2013

Floatovoltaics: Quantifying The Benefits Of A Hydro-Solar Power Fusion, Abe Mckay

Pomona Senior Theses

To slow climate change, humans should take immediate and widespread action. One way to slow climate change is by switching to switch to renewable power plants such as solar fields. Recently, pioneering companies have built solar fields on water bodies. This study found that such a pairing of water and solar could increase production efficiency by 8-10% through panel cooling, save millions of liters of water from evaporation, and produce energy with under-utilized space.


New N-Nitrosodimethylamine (Ndma) Precursors That React With Ozone: Implications For Water Reuse, Erica Marti, Aleks Pisarenko, Eric Dickenson Apr 2013

New N-Nitrosodimethylamine (Ndma) Precursors That React With Ozone: Implications For Water Reuse, Erica Marti, Aleks Pisarenko, Eric Dickenson

College of Engineering: Graduate Celebration Programs

Ozonation is a promising treatment step for water reuse. Compared to the “gold standard” with reverse osmosis and advanced oxidation, ozone requires less energy and does not result in a waste brine. This makes ozone more cost-effective. However, the formation of nitrosamines may be a significant barrier to the use of ozonation in water reuse applications, particularly for potable reuse.


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 Apr 2013

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 Apr 2013

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 …


Evaluating Alternatives For Augmented Water Quality Improvement Utilizing Oyster Restoration As Best Management Practice (Bmp), Stephanie Roberts Long Apr 2013

Evaluating Alternatives For Augmented Water Quality Improvement Utilizing Oyster Restoration As Best Management Practice (Bmp), Stephanie Roberts Long

Civil & Environmental Engineering Theses & Dissertations

Due to several anthropogenic influences, the Chesapeake Bay has experienced a marked decrease in water quality since the colonists arrived at the Jamestown settlement in Virginia during the 1600s. Higher concentrations of nitrogen and phosphorus have enriched the estuaries and coastal waters via point sources (sewage treatment plants and industrial wastes), nonpoint sources (agricultural run-off and septic tank discharges) and the atmosphere (Newell et al., 2005). Restoring oyster beds is considered a Best Management Practice (BMP) to improve water quality as well as provide physical habitat for aquatic species and a healthier estuarine system (USACE Native Oyster Restoration Master …


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 Mar 2013

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 Mar 2013

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.


The Effects Of Physical Activity On Greenhouse Gas Emissions For Common Transport Modes In European Countries, Aidan Duffy, Robert Crawford Mar 2013

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 …


Soil Chemistry Response To Wollastonite (Casio3) Addition At Hubbard Brook, Chris E. Johnson Mar 2013

Soil Chemistry Response To Wollastonite (Casio3) Addition At Hubbard Brook, Chris E. Johnson

Civil and Environmental Engineering - All Scholarship

No abstract provided.


Preparing Nebraska Future Water Leaders: Nwla Academy Class Iii (2013), Connie I. Reimers-Hild Mar 2013

Preparing Nebraska Future Water Leaders: Nwla Academy Class Iii (2013), Connie I. Reimers-Hild

Nebraska Water Leaders Academy: Publications and Materials

Group communications, Phyllis Schoenholz, UNL

Communication and transformational leadership. Dr. Mark Burbach and Dr. Connie Reimers-Hild, UNL

Nebraska's instream flow laws and applications, Ann Bleed, board member, Lower Platte Natural Resources District

River Basin Compacts; Nebraska's obligations, Michael Jess, water resources engineer; consultant.

Conservation along the Central Platte, Mark Peyton, senior biologist, Central Nebraska Public Power and Irrigation District

Central Platte River water issues in regard to habitat for endangered species, Jason Farnsworth, natural resources specialist, Headwaters Corporation & Jerry Kenny, executive director of the Platte River Recovery Implementation Program

Rowe Sanctuary; discussion and viewing …


Effects Of Molecular Structure Of The Oxidation Products Of Reactive Atmospheric Hydrocarbons On The Formation Of Secondary Organic Particulate Matter, Including The Effects Of Water, Negar Niakan Jan 2013

Effects Of Molecular Structure Of The Oxidation Products Of Reactive Atmospheric Hydrocarbons On The Formation Of Secondary Organic Particulate Matter, Including The Effects Of Water, Negar Niakan

Dissertations and Theses

Organic aerosols have significant effects on human health, air quality and climate. Secondary organic aerosols (SOA) are produced by the oxidation of primary-volatile organic compounds (VOC). For example, α-pinene reacts with oxidants such as hydroxyl radical (OH), ozone (O3), and nitrate radical (NO3), accounting for a significant portion of total organic aerosol in the atmosphere. Experimental studies have shown that the oxidation process between α-pinene and ozone has the most significant impact in the formation of SOA (Hoffmann et al., 1997). Most of the models used to predict SOA formation, however, are limited in that they …


2013 Nebraska Water Monitoring Programs Report, Marty Link, Joe Kenning Jan 2013

2013 Nebraska Water Monitoring Programs Report, Marty Link, Joe Kenning

Nebraska Department of Environmental Quality: Reports

The Nebraska Department of Environmental Quality (NDEQ) is charged with monitoring, assessing, and to the extent possible, managing the state’s water resources. The purpose of this work is to protect and maintain good quality water and encourage or execute activities to improve poor water quality. Monitoring is done on the over 16,000 miles of flowing rivers and streams, our greater than 148,000 acres of surface water in lakes and reservoirs, and the vast storage of groundwater in Nebraska’s aquifers.