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Articles 2971 - 3000 of 52743
Full-Text Articles in Entire DC Network
Trenching And Compost Sustain Grain Yield Increases Over Nine Years On Deep Sands But At A Cost, David J.M. Hall, Tom J. Edwards
Trenching And Compost Sustain Grain Yield Increases Over Nine Years On Deep Sands But At A Cost, David J.M. Hall, Tom J. Edwards
Grain and Other Field Crops Research Articles
Context. Crops grown on deep sands on the south coast of WA are limited by soil physical and chemical properties including compaction and poor nutrition. Aims. Crops grown on deep sands on the south coast of Western Australia are limited by soil physical and chemical properties including compaction and poor nutrition. Our aim was to determine what effects deep-placed organic amendments have on soil properties and crop production in a deep sand and whether such amendments are profitable. Methods. A long-term field trial was conducted over nine years (2015–2023) to investigate soil amendments including lime (0 and …
Building Climate Resilience Through Food Recovery, San Diego Regional Climate Collaborative, Alexander Pourfard, Aranza Ruvalcaba
Building Climate Resilience Through Food Recovery, San Diego Regional Climate Collaborative, Alexander Pourfard, Aranza Ruvalcaba
San Diego Regional Climate Collaborative
In an effort to combat GHG emissions from food waste, California passed Senate Bill 1383 (SB 1383) into law in 2016. The bill contains key provisions aimed at increasing edible food recovery. By rescuing food that would otherwise go to the landfill, California entities have been able to help save precious food and advance sustainable solutions to address climate change in their local communities. Since the food recovery requirements took effect in January of 2022, over 217,000 tons of unsold food have been recovered annually, providing more than 700 million meals to food-insecure Californians.
Innovative Machine Learning, Isotopic, And Hydrogeochemical Techniques For Groundwater Analysis In Arid Landscapes In Egypt’S Eastern Desert, Saad Ahmed Mohallel, Hesham Morgan, Ali Elgendy, Surendra Maharjan, Shahryar Fazli, Wenzhao Li, Rejoice Thomas, Hesham El-Askary
Innovative Machine Learning, Isotopic, And Hydrogeochemical Techniques For Groundwater Analysis In Arid Landscapes In Egypt’S Eastern Desert, Saad Ahmed Mohallel, Hesham Morgan, Ali Elgendy, Surendra Maharjan, Shahryar Fazli, Wenzhao Li, Rejoice Thomas, Hesham El-Askary
Mathematics, Physics, and Computer Science Faculty Articles and Research
Groundwater serves as a lifeline in Egypt’s hyper-arid Eastern Desert, particularly for agricultural and domestic uses. However, a comprehensive understanding of groundwater origin, quality, and recharge dynamics in the region remains limited due to geological complexity, data scarcity, and the high cost of isotopic analysis. This study addresses these challenges by integrating stable isotopes (δ¹⁸O and δ²H), hydrogeochemical parameters, remote sensing, and explainable artificial intelligence (AI) to investigate groundwater dynamics and support sustainable water management strategies. A total of 34 groundwater samples were collected from three key aquifers: the Quaternary alluvium, Nubian Sandstone, and fractured Basement aquifers. Hydrochemical analyses and …
From Food To Fashion: Bio-Based Textiles Advancing Sustainability And Socioeconomic Growth In Emerging Markets, Andrew Burnstine
From Food To Fashion: Bio-Based Textiles Advancing Sustainability And Socioeconomic Growth In Emerging Markets, Andrew Burnstine
Faculty and Staff Publications & Presentations
The global fashion industry is undergoing a profound shift towards sustainability, driven by innovations in bio-based textiles derived from agricultural byproducts such as cactus, pineapple, banana, coconut, fungi, and bacterial cultures. This article comprehensively explores the technological advancements, industry adoption trends, socioeconomic impact on emerging markets, and barriers to widespread adoption of bio-based textiles. The alignment of these innovations with global sustainability initiatives, key industry collaborations, and policy interventions are also examined.
Re: Comment Letter For The Butte Priority Soils Operable Unit (Bpsou) Butte Reclamation Evaluation System (Bres) Draft 2024 Corrective Action Plans (Dated January 27, 2025), Molly Roby
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
So Much More Than Summer Camp: The Importance Of Environmental Education At Nature Centers, Olivia P. Upton
So Much More Than Summer Camp: The Importance Of Environmental Education At Nature Centers, Olivia P. Upton
Student Scholar Showcase
In conjunction with my Westover Honors Thesis, my Bonner Legacy Project focused on the development of environmental education curriculum and programming at Camp Kum-Ba-Yah Nature Center [CKBY]. Informed by a review of current climate education, lesson plans and activities were modified in collaboration with CKBY staff to be more climate-focused and aid in the development of systems thinking skills. Activities were compiled and edited to teach concepts, such as food webs, feedback loops, and the greenhouse effect, while also promoting team-building and critical thinking. Educational kits for each activity were created, which include all materials needed as well as a …
So Much More Than Summer Camp: The Importance Of Environmental Education At Nature Centers, Olivia P. Upton
So Much More Than Summer Camp: The Importance Of Environmental Education At Nature Centers, Olivia P. Upton
Student Scholar Showcase
Education in the U.S. currently faces a deficit in the promotion and proper teaching of climate change curriculum. Oftentimes caused by a lack of clear teaching standards for environmental education, the American political machine stirring up controversy, or teacher preferences, there are obvious gaps in the teaching of climate change curriculum. As climate change is considered one of the greatest threats facing humanity today, there is a need to educate people, especially younger generations, in order to navigate future challenges and make informed decisions. Nature centers offer the ideal location for the promotion of climate change education based on their …
Water Quality Of The Inner Puno Bay Of Lake Titicaca, Zoe Hoaglund
Water Quality Of The Inner Puno Bay Of Lake Titicaca, Zoe Hoaglund
Undergraduate Research Symposium 2025
Lake Titicaca straddles the border between Bolivia and Peru and is the highest lake in the world. The Lake has held great significance, particularly to the Incan empire for the last five thousand years as a source of drinking water, for agricultural use, and is the primary source for protein from native and more recently from non-native species of fish. It currently supports a growing fish farming industry for both Bolivia and Peru. Puno is one of the major urban centers on Lake Titicaca and supports a population of about 1.3 million people which derive their drinking water and a …
Evaluating Water Quality Upstream And Downstream From A Proposed Restoration Project On The Pomme De Terre River In Morris, Mn, Payton Prieve
Evaluating Water Quality Upstream And Downstream From A Proposed Restoration Project On The Pomme De Terre River In Morris, Mn, Payton Prieve
Undergraduate Research Symposium 2025
The recent push to restore natural river conditions provides opportunities to investigate the effects of dam removal and channel modification, particularly if data are collected before such projects are initiated. The MN DNR plans to modify the Pomme de Terre River channel at the Crissy Lake dam (Morris, MN) by constructing and directing water flow over stone arch rapids to remove the barrier to fish, restore flow, and enhance river conditions. We aim to characterize the Pomme de Terre River upstream and downstream from the project site before construction to provide data to compare with river conditions after the project …
Development Scenarios And Wildfire Risk In Central Oregon, Samantha Hall
Development Scenarios And Wildfire Risk In Central Oregon, Samantha Hall
Dissertations and Theses
Risk from natural hazards occurs where areas vulnerable to natural hazards and development intersect. Development in vulnerable areas is a societal choice that has a lasting impact as our built environment is relatively permanent. Development patterns that contribute to increased wildfire risk mostly occur within the wildland urban interface, a land use type where development is at the fringes or intercept of wildland areas and is more flammable due to surrounding vegetation, slope, local climate, and other factors. To understand how past and future development potentials may impact fire risk in wildfire prone areas, a case study of Deschutes County, …
The Hidden Carbon Footprint Of Ai Models: Gpu-Aware Carbon Modeling, Youzhi Li
The Hidden Carbon Footprint Of Ai Models: Gpu-Aware Carbon Modeling, Youzhi Li
Undergraduate Research Symposium 2025
The rapid growth of AI technology has sparked transformative innovations but also increased carbon emissions. Recent research found that computer systems' carbon emissions are shifting from operational carbon to embodied carbon, but they did not fully capture the rapidly evolving AI landscape. Most recent research focused on operational carbon, neglecting the long-term environmental impact of embodied carbon. We found two gaps that persist in recent research. First, current carbon modeling focused on Central Processing Units (CPUs), neglecting the carbon modeling of Graphical Processing Units (GPUs). Second, it focused on primary components, neglecting significant contributions from peripheral components to the embodied …
Pursuing Sustainability In Campus Dining Services, Nick Ventrola, Emily Zito
Pursuing Sustainability In Campus Dining Services, Nick Ventrola, Emily Zito
Sustainability Research & Practice Seminar Presentations
Nick Ventrola, WCU Dining Services Resident District Manager, and Emily Zito, WCU Dining Services Registered Dietitian, present "Pursuing Sustainability in Campus Dining Services".
Health Risk Assessment Of Heavy Metal(Loid)S Intake From Beverages In The United States, Hannah T.V. Stoner, Tewodros Rango Godebo, Pornpimol Kodsup Taylor
Health Risk Assessment Of Heavy Metal(Loid)S Intake From Beverages In The United States, Hannah T.V. Stoner, Tewodros Rango Godebo, Pornpimol Kodsup Taylor
School of Public Health Faculty Publications
Heavy metals in beverages can pose health risks in an exposure-dependent manner, however, few studies in the United States have evaluated their metal content and health risks. This study determined the concentrations of eight metal(loid)s, As, Al, Cd, Cr, Mn, Ni, Pb, and Zn, in 60 beverages via inductively coupled plasma[sbnd]mass spectrometry (ICPMS). The highest median concentrations (µg/kg) were found in mixed fruit juices for Ni (45.7), Cr (14.8), and As (4.5); tea for Mn (5,300), Al (730), and Pb (1.4); and plant-based milk for Zn (835) and Cd (1.1). Chronic daily intake (CDI) across age groups was calculated using …
Development Of Isoscapes For Hong Kong Freshwater Streams As A Basis For Ecological Studies, Hon Tim Yip
Development Of Isoscapes For Hong Kong Freshwater Streams As A Basis For Ecological Studies, Hon Tim Yip
Lingnan Theses (MPhil & PhD)
Applications of isoscapes in terrestrial and marine ecosystems have grown notably as a tool for studying animal movement. However, isoscapes are rarely used in freshwater ecosystem because current iterations of isoscapes commonly model baseline distributions of bulk stable isotope analysis (SIA) data, which may be inadequate for providing the necessary resolution for fine spatial scale stream environments. This issue could potentially be addressed using compound specific stable isotope analysis, a new method that measures the isotopic composition of individual compounds to provide more comprehensive information than bulk SIA. My study focuses on δ13C of essential amino acids (EAA-δ …
James Buttle Review: Bed, Banks And Beyond: River Flood Dynamics, Ellen Wohl, Julianne Scamardo, Ryan R. Morrison
James Buttle Review: Bed, Banks And Beyond: River Flood Dynamics, Ellen Wohl, Julianne Scamardo, Ryan R. Morrison
Watershed Sciences Faculty Publications
Floods are amplified and attenuated by features and processes across spatial scales, defined here as flood dynamics. We review and synthesise these influences at the catchment, river network and reach scales as a means of integrating understanding of controls on flood dynamics and identifying key questions that arise because of differences in techniques of investigation and disciplinary emphases between spatial scales. Catchment-scale influences include catchment area, topography, lithology, land cover, precipitation, antecedent conditions and human alterations such as changing land cover. Network-scale influences on flood dynamics include network topology, longitudinal variations in the geometry of successive river corridor reaches, lakes …
Using Trail Cameras To Detect Small Mammals, S. Nicole Frey
Using Trail Cameras To Detect Small Mammals, S. Nicole Frey
All Current Publications
Traditional methods to detect wildlife, including nuisance animals, are not often successful at detecting small mammals. By modifying the deployment of trail cameras, including using a portable tunnel, we have successfully developed a "small mammal method" that has been used to inventory animals at Zion National Park and Cedar Breaks National Monument. We provide details on how to modify simple trail camera deployment. We also provide detailed instructions on how to create a portable small mammal tunnel to improve species detection and identification.
Re: Approval Letter For The Draft Final Butte Reduction Works (Brw) Smelter Area Mine Waste Remediation And Contaminated Groundwater Hydraulic Control Site Phase Iii Quality Assurance Project Plan (Qapp) (Dated February 27, 2025), Emma Rott
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Final Silver Bow Creek Conservation Area Repository Data Gap Data Summary Report (Dated April 4, 2025), Emma Rott
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Draft Final Butte Reduction Works (Brw) Smelter Area Mine Waste Remediation And Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan (Qapp) For Microbial Analysis And Biotreatability Study (Dated February 27, 2025), Emma Rott
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Bird Observations Across Belmont's Campus, Jeremy T. Little, Josiah C. Mustaleski
Bird Observations Across Belmont's Campus, Jeremy T. Little, Josiah C. Mustaleski
SPARK Symposium Presentations
Over the course of 10 weeks our team collected data about bird sightings on Belmont’s campus. Sessions were recorded using eBird and Merlin Bird ID to correctly identify the birds and record accurate numbers. We conducted sessions at 3 different spots on campus, each with differing types and amounts of vegetation and human presence. These sessions were 20 minutes in duration and were conducted twice a week at each location. The data gathered was used to gain a better understanding of the bird trends and demographics on campus. This data was also used for WellCore events in conjunction with the …
Butte Priority Soils Operable Unit Draft Final 2023 Reclamation Improvement Sites Sampling: Bres No. 84 – Mandan Park Site Evaluation Summary Report, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
How Can The Adoption Of Biodegradable Packaging In The Beverage Industry Specifically Contribute To Reducing Single-Use Plastic Waste, And What Regulatory Or Cost-Related Challenges Hinder Its Widespread Implementation In Developing Countries?, Rebecca Aba Gaisie
2025 Awards for Excellence in Student Research and Creative Activity - Documents
This research investigates the potential of biodegradable packaging to reduce single-use plastic waste in the beverage industry and explores the regulatory and cost-related barriers to its adoption in developing countries. The beverage sector is a major contributor to global plastic pollution, and biodegradable alternatives offer a promising path toward sustainability. Using a mixed-methods approach, this study combines qualitative interviews with industry experts and case studies of businesses implementing biodegradable solutions, alongside quantitative survey data from 100 manufacturers and 200 consumers across Africa, Asia, and Latin America. Findings reveal that while biodegradable packaging significantly reduces plastic waste and appeals to environmentally …
Butte Priority Soils Operable Unit (Bpsou) 2025 Monthly Progress Report. Consent Decree For The Butte Priority Soils Operable Unit. Civil Action No. Cv 89-039-Bu-Seh, Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites (Ur-35) Remedial Action Work Plan (Rawp) (Dated June 14, 2024), Molly Roby
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Comment Letter For The Butte Priority Soils Operable Unit (Bpsou) Butte Reclamation Evaluation System (Bres) Draft 2024 Field Evaluation Summary And Technical Recommendations Report (Dated November 15, 2024), Molly Roby
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Community Land Governance In Liberia: Implications For Tenure Security And Land Concessions, Julia R. Entwistle, Hanson Nyantakyi-Frimpong
Community Land Governance In Liberia: Implications For Tenure Security And Land Concessions, Julia R. Entwistle, Hanson Nyantakyi-Frimpong
Geography and the Environment: Faculty Scholarship
Throughout rural Africa, the intersection of customary traditions and statutory governance has often led to overlapping jurisdictions and conflicts over community land rights. In Liberia, this dynamic is particularly evident in the rise of commercial land concessions. This article examines the Liberian government’s approach to community land rights and its impacts on land tenure security, especially in the context of these concessions. This study employs a discourse analysis of Liberian land use policies alongside qualitative data from in-depth interviews with community members living near large-scale plantations. Despite historical erosion of community land rights, Liberian communities have adapted statutory frameworks to …
How Potential Is Potential Evapotranspiration For Representing Droughts In The Western U.S.?, Adison Davis, Grace Affram, Cody Ratterman
How Potential Is Potential Evapotranspiration For Representing Droughts In The Western U.S.?, Adison Davis, Grace Affram, Cody Ratterman
Student Research Symposium
The U.S. Drought Monitor (USDM) identifies areas in drought and labels them by severity.
Characterizing The Hydrology Of Rock Glaciers And Other High-Mountain Stream Types In The Intermountain West, Usa, Jace Kjar, Anna Shampain
Characterizing The Hydrology Of Rock Glaciers And Other High-Mountain Stream Types In The Intermountain West, Usa, Jace Kjar, Anna Shampain
Student Research Symposium
Rock glaciers are high mountain landforms composed of an ice core covered and insulated by unconsolidated talus (Figure 1). Rock glaciers—like other forms of mountain snow and ice (e.g., surface ice glaciers)—are vital water sources in high mountain ecosystems. However, the relevance of rock glaciers for mountain hydrology has been largely overlooked. For this project, I helped to collect and analyze stream flow data from 17 sites across the Wasatch, Teton, and Northern Rockies mountain ranges including rock glacier and non-rock glacier streams. By including multiple sources, our goal was to place rock glacier streams in context.
Contributions Of Biochar And Biofertilizer On Food Scraps Composting, Kabita Budthapa, I.P. Handayani Dr, Shova Shrestha Dr
Contributions Of Biochar And Biofertilizer On Food Scraps Composting, Kabita Budthapa, I.P. Handayani Dr, Shova Shrestha Dr
Scholars Week
Food scraps have contributed significantly to environmental problems. Because of its substantial effects on the environment, the economy, and society, it has become a major global issue. This research was conducted at Nepal Academy of Science and Technology, Lalitpur, and was meant to find ways to shorten the composting period using biofertilizers and biochar and study their impacts on the compost nutrients. The experiment involved seven treatments with three replications: T1 (Control), T2 (EM-1), T3 (Prarhamva decomposer), T4 (Biofertilizer KM), T5 (Biochar 400 g + Biofertilizer KM), T6 (Biochar 800 g + Biofertilizer KM), T7 (Biochar 200 g) with 5 …
Comparing Thermal Imaging Of New York City From 1988 To 2025, Amelia R. Slaton
Comparing Thermal Imaging Of New York City From 1988 To 2025, Amelia R. Slaton
Scholars Week
My project compared the urban heat island effect on New York City from 1988 to 2025. After looking at the risks associated with the heat island effect on local life I compared Landsat 5 imaging from 1988 and 1989 to Landsat 9 imaging from 2025 to find any differences between the thermal output of New York City. I then used images from both inner and long island area of New York from both time periods. As well as, the reason for New York's large thermal output compared to other surrounding areas and what the city is doing to combat the …