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Articles 4981 - 5010 of 8701
Full-Text Articles in Physical Sciences and Mathematics
Rebuilding Silicon Valley - An Assessment Of The Silicon Valley Corporate Campus And The Potential For Suburban Sustainability, Eden Lindeman
Rebuilding Silicon Valley - An Assessment Of The Silicon Valley Corporate Campus And The Potential For Suburban Sustainability, Eden Lindeman
Master's Projects and Capstones
Silicon Valley is the San Francisco Bay Area’s economic powerhouse and is herald for its innovation and success. However, Silicon Valley’s urban design is unsustainable and characterized by remote and large corporate campuses that contribute to job sprawl and heavy traffic congestion. Many of the buildings are also not performing at an efficient level and are due for deep overhauls to cut back energy consumption and costs. The inevitable effects of climate change continue to loom large over the world, heightening the importance for the built environment to be reformed into an environment that can mitigate and adapt to climate …
Embodied Carbon: A Framework For Prioritizing And Reducing Emissions In The Building Industry, Natalie C. Wheating
Embodied Carbon: A Framework For Prioritizing And Reducing Emissions In The Building Industry, Natalie C. Wheating
Master's Projects and Capstones
Global climate change is one of the most impactful environmental issues in modern times, and the construction industry is known to be one of the largest contributors to carbon emissions—one of the key causes of climate change. Embodied carbon emissions of buildings are an often overlooked, but significant, influencer of a building’s overall carbon footprint. This gives rise to the need for improved life cycle analysis of buildings and identification of opportunities to reduce the total carbon footprint of a building throughout its life cycle. This paper analyzes the current state of the building industry that limits the consideration of …
Analysis Of Solar Community Energy Storage For Supporting Hawaii's 100% Renewable Energy Goals, Erin Takata
Analysis Of Solar Community Energy Storage For Supporting Hawaii's 100% Renewable Energy Goals, Erin Takata
Master's Projects and Capstones
Solar PV generation has become an integral part of the renewable energy industry. With state-level, renewable portfolio standards in place, solar power demand has substantially increased and become a competitive and economically viable energy solution throughout the world. Hawaii has one of the most aggressive renewable portfolio standards with a goal of 100 percent renewable generation by 2045. However, there are challenges that are preventing the growth of the solar PV market in Hawaii including equal accessibility to solar power and solar power overloading causing grid instability. With Hawaii’s high annual solar radiation, PV generation could play a significant role …
Attracting Beneficial Insects To Your Farm: A Comparison Of Habitat Modification Strategies, Kelly Rourke
Attracting Beneficial Insects To Your Farm: A Comparison Of Habitat Modification Strategies, Kelly Rourke
Master's Projects and Capstones
Thoughtful planning to enhance diversity in agricultural landscapes can present a multitude of ecological, cultural and economic benefits. Land managers have many options when considering which habitat modification techniques they can implement on their agri-environment schemes. This comparative analysis of 47 peer reviewed journal articles assesses which landscape enhancements are most effective in attracting beneficial insects, namely pollinators and natural enemies to pests. Through biological control, natural invertebrate predators inhibit vegetative pests that can be detrimental to croplands. The promotion of natural enemies can decrease the need for chemical use and maintenance on farms. Pollinators contribute tremendous benefits to crop …
California Public Electric Vehicle Charging Stations’ Accessibility To Amenities: A Gis Network Analysis Approach, Jeremy Yun Li Chen
California Public Electric Vehicle Charging Stations’ Accessibility To Amenities: A Gis Network Analysis Approach, Jeremy Yun Li Chen
Master's Projects and Capstones
In California, the number of electric vehicles (EVs) on the roads has been increasing over the past several years. As EVs continue to grow, additional electric vehicle charging stations (EVCSs) will be needed for EV drivers to utilize. However, before implementing EVCSs in the public, there are various criteria that need to be considered. One of these criteria is public EVCSs’ accessibility to amenities. When people are charging their EVs that require a significant amount of waiting time, having amenities nearby will provide them with the option to spend their time efficiently on worthwhile activities. To understand the accessibility of …
Evaluating The Impacts Of Farmers’ Behaviors On A Hypothetical Agricultural Water Market Based On Double Auction, Erhu Du, Ximing Cai, Barbara Minsker
Evaluating The Impacts Of Farmers’ Behaviors On A Hypothetical Agricultural Water Market Based On Double Auction, Erhu Du, Ximing Cai, Barbara Minsker
Daugherty Water for Food Global Institute: Faculty Publications
Agricultural water markets are considered effective instruments to mitigate the impacts of water scarcity and to increase crop production. However, previous studies have limited understanding of how farmers’ behaviors affect the performance of water markets. This study develops an agent-based model to explicitly incorporate farmers’ behaviors, namely irrigation behavior (represented by farmers’ sensitivity to soil water deficit k) and bidding behavior (represented by farmers’ rent seeking l and learning rate b), in a hypothetical water market based on a double auction. The model is applied to the Guadalupe River Basin in Texas to simulate a hypothetical agricultural water market under …
2017 Spring Engr333 Project Final Report (Section B), Daniel Dick, Nathan Swaim, Jonathan Sager, Ellen Reidy, Jordan Swets, Joel Van Dyke, Connor Macdonald, Josiah Markvluwer, Justin Rohlicek, John Lee, Zach Mouw, Daniel Wharton, Sam Hanover, Jay Noyola, Adam Christenson, Scott Stamper, Aaron Tucker, Bethany Waanders, Joel Schaefer, Maddie Collins, Matthew Cok, Philip Kim, Steve Vanden Berg
2017 Spring Engr333 Project Final Report (Section B), Daniel Dick, Nathan Swaim, Jonathan Sager, Ellen Reidy, Jordan Swets, Joel Van Dyke, Connor Macdonald, Josiah Markvluwer, Justin Rohlicek, John Lee, Zach Mouw, Daniel Wharton, Sam Hanover, Jay Noyola, Adam Christenson, Scott Stamper, Aaron Tucker, Bethany Waanders, Joel Schaefer, Maddie Collins, Matthew Cok, Philip Kim, Steve Vanden Berg
ENGR 333
The Physical Education Complex is located in the North-end of Calvin College’s campus, and supports many athletic, academic, event and recreational functions. Due to its heavy use, the complex contributes 20% of the College’s electricity consumption. Monetarily, this equated to electricity costs of about $385,000 last year. With these financial implications, the College is searching for ways to reduce the cost. While there is little to no room for electricity cost rate reductions, there is opportunity for improvement through the implementation of more efficient components. However, the sources of electricity demand are largely unknown. Our objective is to develop a …
2017 Spring Engr333 Project Final Report (Section A), Devin Auld, Scott Bokach, Joshua Bronner, Alex Meador, Ryan Hoek, Robert Lanser, Matthew Lenko, Elliot Slenk, Brendan Biesboer, Kyle Mailhot, Nate Zylstra, Jonah Engel, Rich Floro, Björn Krebs, Ethan Postmus, Cameron Bell, Caleb Bieske, Chris Griffin, Bernice Portugal, Ryan Beezhold, Dillon Carhuff, Ian Mcclaskie, Jared Vanderklay, Rounak Chatterjee, Toby Dalla Santa, Jenny Haney, Joel Hoskins, Caleb Senyshyn
2017 Spring Engr333 Project Final Report (Section A), Devin Auld, Scott Bokach, Joshua Bronner, Alex Meador, Ryan Hoek, Robert Lanser, Matthew Lenko, Elliot Slenk, Brendan Biesboer, Kyle Mailhot, Nate Zylstra, Jonah Engel, Rich Floro, Björn Krebs, Ethan Postmus, Cameron Bell, Caleb Bieske, Chris Griffin, Bernice Portugal, Ryan Beezhold, Dillon Carhuff, Ian Mcclaskie, Jared Vanderklay, Rounak Chatterjee, Toby Dalla Santa, Jenny Haney, Joel Hoskins, Caleb Senyshyn
ENGR 333
The objective of ENGR-333-A was to develop a well-defined, bottom-up energy demand model for the energy consumption of the dormitories on Calvin College’s campus for each year of the past decade within an accuracy of ± 2%.
2017 Spring Engr333 Seminar Presentation, Jonah Engel, Rich Floro, Björn Krebs, Ethan Postmus, Brendan Biesboer, Kyle Mailhot, Nate Zylstra, Ryan Beezhold, Dillon Carhuff, Ian Mcclaskie, Jared Vanderklay, Rounak Chatterjee, Toby Dalla Santa, Jennifer Haney, Joel Hoskins, Caleb Senyshyn, Alex Meador, Scott Bokach, Devin Auld, Joshua Bronner, Elliot Slenk, Matthew Lenko, Robert Lanser, Ryan Hoek, Cameron Bell, Caleb Bieske, Chris Griffin, Bernice Portugal, Sam Hanover, Dan Wharton, Jay Noyola, Zachary Mouw, John Lee, Daniel Dick, Jonathan Sager, Nathan Swaim, Ellen Reidy, Jordan Swets, Joel Van Dyke, Connor Macdonald, Josiah Markvluwer, Justin Rohlicek, Adam Christensen, Scott Stamper, Aaron Tucker, Bethany Waanders, Joel Schaefer, Maddie Collins, Matthew Cok, Philip Kim, Steve Vanden Berg
2017 Spring Engr333 Seminar Presentation, Jonah Engel, Rich Floro, Björn Krebs, Ethan Postmus, Brendan Biesboer, Kyle Mailhot, Nate Zylstra, Ryan Beezhold, Dillon Carhuff, Ian Mcclaskie, Jared Vanderklay, Rounak Chatterjee, Toby Dalla Santa, Jennifer Haney, Joel Hoskins, Caleb Senyshyn, Alex Meador, Scott Bokach, Devin Auld, Joshua Bronner, Elliot Slenk, Matthew Lenko, Robert Lanser, Ryan Hoek, Cameron Bell, Caleb Bieske, Chris Griffin, Bernice Portugal, Sam Hanover, Dan Wharton, Jay Noyola, Zachary Mouw, John Lee, Daniel Dick, Jonathan Sager, Nathan Swaim, Ellen Reidy, Jordan Swets, Joel Van Dyke, Connor Macdonald, Josiah Markvluwer, Justin Rohlicek, Adam Christensen, Scott Stamper, Aaron Tucker, Bethany Waanders, Joel Schaefer, Maddie Collins, Matthew Cok, Philip Kim, Steve Vanden Berg
ENGR 333
File for student presentation, given by students in the Spring 2017 class of ENGR333.
Application Of Anthromes To Frame Scenario Planning For Landscape-Scale Conservation Decision Making, Dainee Gibson, John Quinn
Application Of Anthromes To Frame Scenario Planning For Landscape-Scale Conservation Decision Making, Dainee Gibson, John Quinn
Biology Publications
Complexities in the rates and patterns of change necessitate the consideration of alternate futures in planning processes. These scenarios, and the inputs and assumptions used to build them, should reflect both ecological and social contexts. Considering the regional landscape as an anthrome, a priori, assumes human needs and institutions have a fundamental role and place in these futures, but that institutions incorporate ecological limits in decision making. As a case study of conservation scenario planning under the anthrome paradigm, we used a suite of InVEST models to develop and explore land use and land cover scenarios and to measure the …
Feasibility Study: Tangier Island Wind Turbine Deployment, Patrick Landess
Feasibility Study: Tangier Island Wind Turbine Deployment, Patrick Landess
Senior Honors Projects, 2010-2019
The 2014 Virginia Energy Plan set the goal of 25% of the energy produced in the state to be derived from renewable resources by 2025. Wind energy is one of the most prominent renewable resources in the state, with a potential wind capacity of approximately 1800 MW. The Virginia Department of Mines Minerals and Energy (DMME) looks to incentivize both small-scale and commercial renewable energy projects. As a result of this policy initiative and the competitiveness of renewable energy, the Center for Wind Energy (CWE) at James Madison University established the Distributed Wind Assistance Program (DWAP).
This honors project serves …
Software Development For Home Energy Audits: Reducing Energy Consumption In Harrisonburg Through Technology, Brantley E. Gilbert
Software Development For Home Energy Audits: Reducing Energy Consumption In Harrisonburg Through Technology, Brantley E. Gilbert
Senior Honors Projects, 2010-2019
Fossil fuels play a vital role in our daily lives. Oil, natural gas, and coal powers our cars, heats our homes and water, and are used by power companies to generate the massive amounts of electricity used every day by the United States. However, this reliance on a finite source of energy is not sustainable. Fossil fuels such as these are non-renewable resources whose production will eventually be unable to keep up with the rate of consumption. Furthermore, the extraction of the stored energy in these fuels through combustion releases harmful substances into the environment, including toxins and greenhouse gases …
Leed O+M Materials Audit: Blumel Hall, Emily Murkland, Taylor Stone, John Dea, Kristen Purdy
Leed O+M Materials Audit: Blumel Hall, Emily Murkland, Taylor Stone, John Dea, Kristen Purdy
Campus Sustainability Office Publications, Reports and Presentations
- This report provides the Campus Sustainability Office with an objective, third party Materials Audit for Blumel Hall in Portland, Oregon. The data collected for this audit provides Campus Sustainability Office with insight into Blumel’s current waste composition and diversion rate as well as identifies opportunities to improve recycling, composting, and areas for reduction of materials consumption. Community Environmental Services (CES) conducted Materials Audits for 100% of Blumel Hall’s landfill-bound, commingled recycling, glass bottles and jars recycling, and compost streams during a 24-hour period.
Psu Urban Center Building Leed Eb Materials Audit Report, Emily Murkland, Taylor Stone, John Dea, Kristen Purdy
Psu Urban Center Building Leed Eb Materials Audit Report, Emily Murkland, Taylor Stone, John Dea, Kristen Purdy
Campus Sustainability Office Publications, Reports and Presentations
This report provides the Campus Sustainability Office with an objective, third party Materials Audit for Portland State University’s Urban Center Building in Portland, Oregon. The data collected for this audit provides Campus Sustainability Office with insight into Urban Center’s current waste composition and diversion rate as well as identifies opportunities to improve recycling, composting, and areas for reduction of materials consumption. Community Environmental Services (CES) conducted materials audits for 100% of Urban Center’s landfill-bound, commingled recycling, glass bottles and jars recycling, and compost streams during a 24-hour period.
Compiled Research & Materials, Appendix F: Valuable Solar Resources, Andrew Tarutani, Laura Kunas, Conor Mcgrail, Colin Joern, Madalyn Beban
Compiled Research & Materials, Appendix F: Valuable Solar Resources, Andrew Tarutani, Laura Kunas, Conor Mcgrail, Colin Joern, Madalyn Beban
Sustainability and Energy
This document lists several URLs that may offer valuable information as it pertains to solar energy and solar initiatives across the U.S.
Compiled Research & Materials, Appendix H: Tiny Homes Ideas, Andrew Tarutani, Laura Kunas, Madalyn Beban, Conor Mcgrail, Colin Joern
Compiled Research & Materials, Appendix H: Tiny Homes Ideas, Andrew Tarutani, Laura Kunas, Madalyn Beban, Conor Mcgrail, Colin Joern
Sustainability and Energy
This document explains some of the ideas developed by the team that relate to the implementation of a tiny homes neighborhood.
Compiled Research & Materials, Appendix G: Tiny Homes Consideration, Andrew Tarutani, Laura Kunas, Conor Mcgrail, Colin Joern, Madalyn Beban
Compiled Research & Materials, Appendix G: Tiny Homes Consideration, Andrew Tarutani, Laura Kunas, Conor Mcgrail, Colin Joern, Madalyn Beban
Sustainability and Energy
This document reviews several considerations identified by the team that relate to the concept of a tiny homes neighborhood.
Compiled Research & Materials, Appendix L: Solar America Initiative, S. Grover
Compiled Research & Materials, Appendix L: Solar America Initiative, S. Grover
Sustainability and Energy
This National Renewable Energy Laboratory resource details the benefits of the Solar America Initiative.
Compiled Research & Materials, Appendix K: Economic Impact Potential Of Solar Photovoltaics In Illinois, Illinois State University. Center For Renewable Energy
Compiled Research & Materials, Appendix K: Economic Impact Potential Of Solar Photovoltaics In Illinois, Illinois State University. Center For Renewable Energy
Sustainability and Energy
This 2013 study reviews the potential for economic impact of solar photovoltaics in the state of Illinois.
Compiled Research & Materials, Appendix Q: Energysage Interview, Andrew Tarutani, Conor Mcgrail, Colin Joern, Madalyn Beban, Laura Kunas
Compiled Research & Materials, Appendix Q: Energysage Interview, Andrew Tarutani, Conor Mcgrail, Colin Joern, Madalyn Beban, Laura Kunas
Sustainability and Energy
This document reviews several of the topics discussed in an informational interview with a representative with EnergySage.
Compiled Research & Materials, Appendix N: Keybank Interview, Andrew Tarutani, Laura Kunas, Madalyn Beban, Colin Joern, Conor Mcgrail
Compiled Research & Materials, Appendix N: Keybank Interview, Andrew Tarutani, Laura Kunas, Madalyn Beban, Colin Joern, Conor Mcgrail
Sustainability and Energy
This document reviews several of the topics discussed in an informational interview with KeyBank regarding financing options for solar projects.
Compiled Research & Materials, Appendix O: Energywize Interview, Andrew Tarutani, Madalyn Beban, Laura Kunas, Colin Joern, Conor Mcgrail
Compiled Research & Materials, Appendix O: Energywize Interview, Andrew Tarutani, Madalyn Beban, Laura Kunas, Colin Joern, Conor Mcgrail
Sustainability and Energy
This document reviews several of the topics discussed in an informational interview with Wendell Ott of EnergyWize.
Compiled Research & Materials, Appendix P: Current Solar Pricing, Andrew Tarutani, Laura Kunas, Madalyn Beban, Colin Joern, Conor Mcgrail
Compiled Research & Materials, Appendix P: Current Solar Pricing, Andrew Tarutani, Laura Kunas, Madalyn Beban, Colin Joern, Conor Mcgrail
Sustainability and Energy
This document reviews the current state of solar costs as defined in an informational interview with Wendell Ott of EnergyWize.
Community Supported Agriculture At Indian Creek Nature Center's Sugar Grove Farm: Sustainable Farming For Iowa, Erin Anzalone
Community Supported Agriculture At Indian Creek Nature Center's Sugar Grove Farm: Sustainable Farming For Iowa, Erin Anzalone
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Agriculture is the largest revenue source for the state of Iowa and the state’s two priority crops are corn and soybeans. Farming practices that emphasize monoculture production of these crops can reduce biological diversity and habitat for all-important pollinators, and exacerbate runoff and erosion that sends nutrient-rich soil, herbicides, and pesticides into streams and rivers. The industrial agriculture model is lucrative now, but unsustainable for Iowa over the long run. Sugar Grove Farm, a subset of Indian Creek Nature Center (ICNC), plans to grow a variety of food crops on a large-scale, economically sustainable farm, and support low-income households in …
Compiled Research & Materials, Appendix M: Mcpherson Town Interview, Andrew Tarutani, Laura Kunas, Madalyn Beban, Conor Mcgrail, Colin Joern
Compiled Research & Materials, Appendix M: Mcpherson Town Interview, Andrew Tarutani, Laura Kunas, Madalyn Beban, Conor Mcgrail, Colin Joern
Sustainability and Energy
This document reviews several of the topics discussed in an informational interview with McPherson Town neighborhood president Phil Leppla.
Characterizing Landscape-Scale Erosion Using 10be In Detrital Fluvial Sediment: Slope-Based Sampling Strategy Detects The Effect Of Widespread Dams, Lucas J. Reusser, Paul R. Bierman, Donna M. Rizzo, Eric W. Portenga, Dylan H. Rood
Characterizing Landscape-Scale Erosion Using 10be In Detrital Fluvial Sediment: Slope-Based Sampling Strategy Detects The Effect Of Widespread Dams, Lucas J. Reusser, Paul R. Bierman, Donna M. Rizzo, Eric W. Portenga, Dylan H. Rood
College of Engineering and Mathematical Sciences Faculty Publications
Concentrations of in situ 10Be measured in detrital fluvial sediment are frequently used to estimate long-term erosion rates of drainage basins. In many regions, basin-averaged erosion rates are positively correlated with basin average slope. The slope dependence of erosion allows model-based erosion rate estimation for unsampled basins and basins where human disturbance may have biased cosmogenic nuclide concentrations in sediment. Using samples collected from southeastern North America, we demonstrate an approach that explicitly considers the relationship between average basin slope and erosion rate. Because dams and reservoirs are ubiquitous on larger channels in the field area, we selected 36 undammed …
Impacts On The Stakeholders Of The Nexus Pipeline, Jessica A. Speweike
Impacts On The Stakeholders Of The Nexus Pipeline, Jessica A. Speweike
Honors Projects
This journalistic feature covers the different impacts on those individuals who are involved with or affected by the Nexus Gas Transmission pipeline. Testimony from Ohio landowners, activists, scientists and public officials cover a variety of opinions and concerns raised by the pipeline. Private property rights, environmental impact, and possible economic implications are detailed by those who have been involved with the Nexus pipeline since its early stages of implementation.
Reducing The Environmental Impacts Of Building Materials: Embodied Energy Analysis Of A High-Performance Building, Layla Qarout
Reducing The Environmental Impacts Of Building Materials: Embodied Energy Analysis Of A High-Performance Building, Layla Qarout
Theses and Dissertations
The purpose of this research was to assess the embodied energy and carbon emissions of structural building materials, and determine environmental savings associated with construction. In common architectural practice, the analysis of the environmental cost of materials is typically not taken into account. This can be attributed to the lack of available data, loyalty to conventional construction methods, and complexity of embodied energy calculations. Although efforts are made to ensure accuracy of the information contained in energy databases, they are based on public domain sources and the “best” energy and carbon coefficients, with no guarantee to accuracy. Therefore, it is …
Spatiotemporal Analyses Of Recycled Water Production, Jana E. Archer
Spatiotemporal Analyses Of Recycled Water Production, Jana E. Archer
Electronic Theses and Dissertations
Increased demands on water supplies caused by population expansion, saltwater intrusion, and drought have led to water shortages which may be addressed by use of recycled water as recycled water products. Study I investigated recycled water production in Florida and California during 2009 to detect gaps in distribution and identify areas for expansion. Gaps were detected along the panhandle and Miami, Florida, as well as the northern and southwestern regions in California. Study II examined gaps in distribution, identified temporal change, and located areas for expansion for Florida in 2009 and 2015. Production increased in the northern and southern regions …
Land Use As An Indicator Of Stream Habitat Quality In Salt Creek, Adam Brown
Land Use As An Indicator Of Stream Habitat Quality In Salt Creek, Adam Brown
Department of Environmental Studies: Undergraduate Student Theses
This study sought to quantify land use types in Lancaster County and identify which, if any, environmental parameters were significantly influencing fish and invertebrate distribution in the Salt Creek basin. Historical sampling data were obtained from the Nebraska Department of Environmental Quality. Watershed land cover maps were created and the percentages of urban/developed, forested, row crop, and grassland use were calculated. This data was combined with NDEQ water quality parameter, fish, and invertebrate sampling data to conduct nonmetric multidimensional scaling. This analysis did not provide significant conclusions about the driving force of fish and invertebrate distribution in this region because …