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Articles 5581 - 5610 of 25080
Full-Text Articles in Entire DC Network
Smart Technology To Identify Leaks And Enhance Pipeline Safety, Cory Solyom
Smart Technology To Identify Leaks And Enhance Pipeline Safety, Cory Solyom
World of Coal Ash Proceedings
No abstract provided.
Sono-Processing Of Coal For Removal Of Ash And Other Impurities, Ramamurthy Nagarajan
Sono-Processing Of Coal For Removal Of Ash And Other Impurities, Ramamurthy Nagarajan
World of Coal Ash Proceedings
No abstract provided.
Mse Berm: Overcome Site Constraints And Maximize Air Space, Johnny Lowe, Jason Thaxton
Mse Berm: Overcome Site Constraints And Maximize Air Space, Johnny Lowe, Jason Thaxton
World of Coal Ash Proceedings
No abstract provided.
Challenges In Ccp Management In Europe, Fabrice Fayola, Hans-Joachim Feuerborn
Challenges In Ccp Management In Europe, Fabrice Fayola, Hans-Joachim Feuerborn
World of Coal Ash Proceedings
No abstract provided.
Alternative Liner Demonstration At A Ccr Surface Impoundment At Great River Energy’S Coal Creek Station, Craig Schuettpelz, Todd Stong, Jennifer Charles, Shane Stockdill
Alternative Liner Demonstration At A Ccr Surface Impoundment At Great River Energy’S Coal Creek Station, Craig Schuettpelz, Todd Stong, Jennifer Charles, Shane Stockdill
World of Coal Ash Proceedings
No abstract provided.
Outage Wash Wastewater Treatment Alternatives Under Revised Elg/Ccr Requirements, David Donkin
Outage Wash Wastewater Treatment Alternatives Under Revised Elg/Ccr Requirements, David Donkin
World of Coal Ash Proceedings
No abstract provided.
Dewatering Ash – Progress Over The Last 5 Years, Greg M. Landry, Paul C. Schmall
Dewatering Ash – Progress Over The Last 5 Years, Greg M. Landry, Paul C. Schmall
World of Coal Ash Proceedings
No abstract provided.
Comment Letter For: Butte Priority Soils Operable Unit (Bpsou) Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoons System – Fourth Quarter 2021 (Dated March 30, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Comment Letter For: Butte Priority Soils Operable Unit (Bpsou) Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoons System – Fourth Quarter 2021 (Dated March 30, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Effects Of Biochar Production Methods And Biomass Types On Lead Removal From Aqueous Solution, Paola Granados, Sergio Mireles, Engil Isadora Pujol Pereira, Chu-Lin Cheng, James Jihoon Kang
Effects Of Biochar Production Methods And Biomass Types On Lead Removal From Aqueous Solution, Paola Granados, Sergio Mireles, Engil Isadora Pujol Pereira, Chu-Lin Cheng, James Jihoon Kang
School of Earth, Environmental, & Marine Sciences Faculty Publications
Biochar has proven its potential in removing heavy metal ions from water. The objective of this study was to evaluate locally obtained biomass feedstocks for biochar production and their efficiency as a sorbent for aqueous lead (Pb2+) removal. The biomass feedstocks consisted of avocado seed, avocado peel, grapefruit peel, and brown seaweed, which represent agricultural and marine biomasses. The biochar materials were produced in two different methods: (1) a laboratory tube furnace at 300 °C and (2) a Do-It-Yourself (DIY) biochar maker, “BioCharlie Log”. The biochars were characterized for selected physicochemical properties, and batch adsorption tests with 10 …
Factors Influencing Conservation Knowledge: A Survey Of Residents In The United States, Samantha Helgeson, Amanda Fasching, Ashley Kneemueller, Anna Sher
Factors Influencing Conservation Knowledge: A Survey Of Residents In The United States, Samantha Helgeson, Amanda Fasching, Ashley Kneemueller, Anna Sher
DU Undergraduate Research Journal Archive
Basic principles have been established for visitors of national and state parks, but some visitors may be more aware of conservation practices than others. To understand visitor awareness, this study investigated three factors that influence the general public’s understanding of the Leave No Trace (LNT) conservation ethic: natural areas visitation, state of residence, and media consumption. Each of the factors showed statistically significant impacts on awareness of LNT, supporting our hypotheses that this knowledge will increase with a higher frequency of park visits and media consumption, and that region of residence will also impact LNT knowledge.
Draft Final 2021 Unreclaimed Sites Investigation: Xrf To Laboratory Correlation And Regression Analyses Procedure, Pioneer Technical Services, Inc.
Draft Final 2021 Unreclaimed Sites Investigation: Xrf To Laboratory Correlation And Regression Analyses Procedure, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Murphy Scale: A Locational Equivalent Intensity Scale For Hazard Events, Yi Victor Wang, Antonia Sebastian
Murphy Scale: A Locational Equivalent Intensity Scale For Hazard Events, Yi Victor Wang, Antonia Sebastian
Institute for ECHO Articles and Research
Empirical cross-hazard analysis and prediction of disaster vulnerability, resilience, and risk requires a common metric of hazard strengths across hazard types. In this paper, the authors propose an equivalent intensity scale for cross-hazard evaluation of hazard strengths of events for entire durations at locations. The proposed scale is called the Murphy Scale, after Professor Colleen Murphy. A systematic review and typology of hazard strength metrics is presented to facilitate the delineation of the defining dimensions of the proposed scale. An empirical methodology is introduced to derive equivalent intensities of hazard events on a Murphy Scale. Using historical data on …
Mapping The Impact Of A Trailway System On The Amount Of Trash Present Within Two, Lillian Smith
Mapping The Impact Of A Trailway System On The Amount Of Trash Present Within Two, Lillian Smith
Undergraduate Theses and Capstone Projects
Transportation of debris within water systems is a prominent occurrence which has been linked to natural and artificial processes including wind, rain, and littering. This pilot study established methods to determine if a trail system is a good implementation to achieve recreation and connectivity goals laid out in the City of Lynchburg’s Tyreeanna & Pleasant Valley Neighborhood Plan. Blackwater Creek watershed, which contains an established trail system, and Fishing Creek watershed, containing a non-established trail system, were the two locations where this study’s methods were conducted. Use of the Virginia GIS Open Access Portal was essential in delineating the boundary …
The Relationship Between Urban Heat Islands And Redline Districts, Emily Cornwell
The Relationship Between Urban Heat Islands And Redline Districts, Emily Cornwell
Undergraduate Theses and Capstone Projects
As climate change worsens and the world attempts to find solutions to global changes, it is important to identify how climate change will affect individual communities. Climate resilience tactics aim to protect vulnerable populations against environmental harms, such as excess heat. Historically, communities of color face forms of environmental racism. One example of structural racism includes the loans given out by the Home Owners Loan Corporation during the 1940s which “redlined” certain communities of color by refusing to give these neighborhoods loans and rated these areas undesirable for loaners. Urban heat islands occur in residential, densely populated areas with lots …
Effects Of Precipitation On Groundwater Level In An Urban Watershed, Andrew Golladay
Effects Of Precipitation On Groundwater Level In An Urban Watershed, Andrew Golladay
Undergraduate Theses and Capstone Projects
Groundwater is an important aspect of a watershed, as it is a reservoir for the storage of water. It both releases water to the surface in dry periods and absorbs excess water in wet periods. Precipitation provides surface water that is then absorbed to replenish groundwater. The specific purpose of this research was to determine the recharge rate of the water table after a rainfall event, with a goal to also develop a framework or long-term monitoring of the water table along an urban stream in Lynchburg, Virginia, and to establish baseline groundwater data before a dam is removed from …
The Fierce Green Fire: Vol. 12 Issue 18, Wofford College. Department Of Environmental Studies
The Fierce Green Fire: Vol. 12 Issue 18, Wofford College. Department Of Environmental Studies
The Fierce Green Fire
No abstract provided.
Circular Economy And The Potential For Extended Producer Responsibility Policies, Erin Quinn
Circular Economy And The Potential For Extended Producer Responsibility Policies, Erin Quinn
Senior Honors Projects, 2020-current
This thesis was developed based on an Extended Producer Responsibility (EPR) Policy briefing I created during my internship at RISE (Responsible Industry for a Sound Environment) during the summer of 2021. This project expands upon the work created during the internship. It examines the connection between circular economy and EPR policies, as well as how they can create effective strategies for waste reduction and recycling in the U.S. It demonstrates how the current linear economic system under which the U.S operates and its connection to single-stream recycling are inefficient at best. The thesis then describes how a circular economy (CE) …
Evaluating Soil Health Changes Following Cover Crop And No-Till Integration Into A Soybean (Glycine Max) Cropping System In The Mississippi Alluvial Valley, Alexandra Gwin Firth
Evaluating Soil Health Changes Following Cover Crop And No-Till Integration Into A Soybean (Glycine Max) Cropping System In The Mississippi Alluvial Valley, Alexandra Gwin Firth
Theses and Dissertations
The transition of natural landscapes to intensive agricultural uses has resulted in severe loss of soil organic carbon (SOC), increased CO₂ emissions, river depletion, and groundwater overdraft. Despite negative documented effects of agricultural land use (i.e., soil erosion, nutrient runoff) on critical natural resources (i.e., water, soil), food production must increase to meet the demands of a rising human population. Given the environmental and agricultural productivity concerns of intensely managed soils, it is critical to implement conservation practices that mitigate the negative effects of crop production and enhance environmental integrity. In the Mississippi Alluvial Valley (MAV) region of Mississippi, USA, …
Rooted In The Earth: An Igbo Sacramental Nature Of The Universe, A Model For Igbo Christian Ecological Ethics, Kenneth Oguzie
Rooted In The Earth: An Igbo Sacramental Nature Of The Universe, A Model For Igbo Christian Ecological Ethics, Kenneth Oguzie
Electronic Theses and Dissertations
The contemporary Igbo society faces a lot of challenges. These include political, religious, and moral crises. These crises affect the environment in many ways. They threaten the peace and harmony of the Igbo society. As a result, it touches on faith. The Igbo society holds a holistic view of life. Whatever affects one aspect of life affects the other areas. Ecologically, various factors are responsible for the crises. These include changes in lifestyle from the traditional way of living to modern style of life with its penchant on consumerism. Also, colonialism and its lingering residues, civil unrests, politics, population growth, …
Impact Of Climate Oscillations/Indices On Hydrological Variables In The Mississippi River Valley Alluvial Aquifer., Meena Raju
Theses and Dissertations
The Mississippi River Valley Alluvial Aquifer (MRVAA) is one of the most productive agricultural regions in the United States. The main objectives of this research are to identify long term trends and change points in hydrological variables (streamflow and rainfall), to assess the relationship between hydrological variables, and to evaluate the influence of global climate indices on hydrological variables. Non-parametric tests, MMK and Pettitt’s tests were used to analyze trend and change points. PCC and Streamflow elasticity analysis were used to analyze the relationship between streamflow and rainfall and the sensitivity of streamflow to rainfall changes. PCC and MLR analysis …
Use Of Consumer Grade Small Unmanned Aerial Systems (Suas) For Mapping Storm Damage In Forested Environments, James Dewey Cox
Use Of Consumer Grade Small Unmanned Aerial Systems (Suas) For Mapping Storm Damage In Forested Environments, James Dewey Cox
Theses and Dissertations
Storm damages to forested environments pose significant challenges to landowners, land managers, and conservationists alike. Damage scope and scale assessments can be difficult, costly, and time consuming with conventional pedestrian survey techniques. Consumer grade sUAS technology offers an efficient, cost-effective way to accurately assess storm damage in small to moderate sized survey areas (less than 10 km²). Data were collected over a 0.195 km² area of damaged timber within the Kisatchie National Forest in Central Louisiana using a DJI Mavic 2 Pro drone. Collected imagery was processed into an orthomosaic using Agisoft Metashape Professional with a resulting ground sampling distance …
Exploring The Impact Of End-User Engagement On The Diffusion And Adoption Of A Climate Resilience Tool In The Gulf Of Mexico, Renee C. Collini
Exploring The Impact Of End-User Engagement On The Diffusion And Adoption Of A Climate Resilience Tool In The Gulf Of Mexico, Renee C. Collini
Theses and Dissertations
Climate change-related hazards negatively impact ecosystems, economies, and quality of life. Significant resources have been invested in data collection and research with the goal of enhanced understanding and capacity to predict future conditions in order to mitigate or adapt to intensifying hazard risk. The expansive production of climate science has generated a necessary complimentary enterprise dedicated to enhancing decision-makers’ understanding of and access to climate science as it is essential for future societal and ecological well-being. Though the aim of these many tools is to support resilient decision-making in the face of climate change, professionals report an underutilization of climate …
Quantifying The Economic Impact Of Conservation Policy Changes Utilizing Precision Agriculture Tools, Kyle Stanley Watkins
Quantifying The Economic Impact Of Conservation Policy Changes Utilizing Precision Agriculture Tools, Kyle Stanley Watkins
Theses and Dissertations
The United States Farm Bill is a multi-billion-dollar federal legislation reenacted every five years to provide funding towards crop protection, nutrition, environmental protection, and other important focuses. The largest conservation program within the Farm Bill is the Conservation Reserve Program, which encompasses many conservation practices such as CP-33: habitat buffers for upland birds. Conservation implementation through the Farm Bill relies on voluntary producer enrollment in exchange for a rental fee to not farm enrolled land for a set time. I used yield data collected across six years from 36 agricultural fields in Humphreys and Holmes counties, Mississippi, USA, and a …
Identifying Key Stream Restoration Variables In An Agriculturally Impaired Chesapeake Bay Watershed, Julia Portmann
Identifying Key Stream Restoration Variables In An Agriculturally Impaired Chesapeake Bay Watershed, Julia Portmann
Masters Theses, 2020-current
The Chesapeake Bay watershed spans several states, supports diverse ecosystems, and is crucial to local economies. However, agricultural practices in this region impair water quality. The Smith Creek watershed, within the Shenandoah Valley, was designated a showcase watershed in 2010 by the United States Department of Agriculture to demonstrate the efficacy of implementing restoration projects. We sampled fifteen farms ranging from unrestored to thirty-six years since restoration. At each site, we conducted a kick-net survey for macroinvertebrates, measured canopy cover, algal density, substrate size, and bank height and angle. We identified macroinvertebrates to family and calculated the Chesapeake Basin-wide Index …
Final Residential Metals Abatement Program (Rmap) Quality Assurance Project Plan (Qapp) (Non-Residential Parcels), Pioneer Technical Services, Inc.
Final Residential Metals Abatement Program (Rmap) Quality Assurance Project Plan (Qapp) (Non-Residential Parcels), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Genetic Structure Of Urban White-Tailed Deer In West Michigan, Jacob David Brand
Genetic Structure Of Urban White-Tailed Deer In West Michigan, Jacob David Brand
Masters Theses
In urban areas, green spaces are used by humans and wildlife. The proximity between them can lead to both positive and negative interactions, which can make managing urban wildlife difficult. Managers are challenged due to conflicts between wildlife population sizes that can be naturally supported versus those that are socially tolerable. White-tailed deer (Odocoileus virginianus) thrive in urban environments because their habitat requirements are met within green spaces and backyard vegetation. Matrilineal groups of urban white-tailed deer live within the same areas, at times forming high densities that can lead to the spread of diseases or environmental pests, including hemlock …
Teaching & Learning Guide For Disability And Climate Justice, Molly M. King, Maria A. Gregg, Ana V. Martinez, Emily Y. Pachoud
Teaching & Learning Guide For Disability And Climate Justice, Molly M. King, Maria A. Gregg, Ana V. Martinez, Emily Y. Pachoud
Sociology
Disability is widespread: nearly one in four Americans has a disability (Taylor, 2018) and disability cuts across demographic categories. Among individuals aged 15 and over, 12.6% had some type of mobility disability; above age 65, it is nearly 40% (Brault, 2012). Mobility disabilities heighten vulnerability to climate change and climate-related disasters (UNHCHR, 2020). Reduced information resources and mobility, increased health risks, and a lack of visibility in climate change discourse put people with disabilities in a more vulnerable position in the climate crisis. However, this vulnerability can be mitigated through relevant and sufficient access to information, risk mitigation …
Sustainable Rural Development: Is It Possible To Boost Rural Economies While Protecting The Environment?, Jack M. Hempleman
Sustainable Rural Development: Is It Possible To Boost Rural Economies While Protecting The Environment?, Jack M. Hempleman
Undergraduate Theses, Capstones, and Recitals
Amidst rapid depletion of our carbon budget, the need to change our practices to be more in line with Earth’s limits has become important in every sector of our economy. From advances in renewable energy generation to the growth of urban gardening, people around the world are taking action to change the way they interact with our planet. However, growing concerns have been raised that protections for the environment will disproportionately harm struggling communities. For instance, rural communities in the United States already exhibit disproportionately high poverty rates, income inequality, and unemployment, as well as lower quality healthcare and public …
Seasonal Variation And Tracking Of Climate Niche Of A Migratory Bird, Javier Gutiérrez Illán, Guiming Wang, D. Tommy King, Fred L. Cunningham
Seasonal Variation And Tracking Of Climate Niche Of A Migratory Bird, Javier Gutiérrez Illán, Guiming Wang, D. Tommy King, Fred L. Cunningham
United States Department of Agriculture Wildlife Services: Staff Publications
Migratory birds inhabit different areas during breeding and non-breeding seasons. Depending on the time of the year, they may utilize different resources available in seasonal habitats, but also are subjected to changing climate regimes during their annual life cycle. Migratory birds may adopt ecological niche tracking to cope with different environmental conditions between breeding and non-breeding grounds. The American White Pelican (Pelecanus erythrorhynchos, hereafter ‘AWPE’) is a short-distance migrant between the Gulf of Mexico coastal regions (nonbreeding grounds) and the Northern Great Plains (breeding grounds) of Canada and the US. The American White Pelican is a piscivore, feeding …