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Articles 241 - 270 of 6110

Full-Text Articles in Environmental Engineering

Comparing Two Methods To Monitor Singlet Oxygen Production In Aquatic Systems: Chemical Probe Vs. Time Resolved Phosphorescence., Monika Madhiyan Mar 2025

Comparing Two Methods To Monitor Singlet Oxygen Production In Aquatic Systems: Chemical Probe Vs. Time Resolved Phosphorescence., Monika Madhiyan

Spring Runoff Conference

What’s in water?

  • DOM is a naturally occurring complex mixture of organic matter
  • Pollutants from domestic, industrial and agricultural effluent are introduced into surface waters


Innovative Genetic Methods For Predicting Microcystin Toxin Production In Cyanobacterial Blooms: Real-Time And Pre-Bloom Public Health Monitoring, Liyuan Hou Mar 2025

Innovative Genetic Methods For Predicting Microcystin Toxin Production In Cyanobacterial Blooms: Real-Time And Pre-Bloom Public Health Monitoring, Liyuan Hou

Spring Runoff Conference

EQL emphasizes an integrated engineering and science approach to the environmental quality of land, water, and air


Chopping Up The Riverscape: Consistent Sample Frames For Assessment And Monitoring, Jordan Gilbert Mar 2025

Chopping Up The Riverscape: Consistent Sample Frames For Assessment And Monitoring, Jordan Gilbert

Spring Runoff Conference

Background

  • Riverscapes Assessment and Monitoring Lab (RAM)
    • Joe Wheaton, Wally Macfarlane, Jordan Gilbert
    • Founding member of Riverscapes Consortium
  • Provide tools for people working in riverscapes
    • Primarily planning, implementing, and monitoring restoration projects


Growing Roots: Water Conservation, Innovative Research And Public Education, Aurora Wallis Durfee Mar 2025

Growing Roots: Water Conservation, Innovative Research And Public Education, Aurora Wallis Durfee

Spring Runoff Conference

Hydroponics allows for efficient, sustainable food production, using less water and space than traditional farming methods.


Water Markets In Utah? Water Manager Perspectives On Potential Uptake, Britta L. Schumacher Mar 2025

Water Markets In Utah? Water Manager Perspectives On Potential Uptake, Britta L. Schumacher

Spring Runoff Conference

Irrigation organizations: intermediaries that deliver water to farms, ranches, and other users, coordinate investments in conveyance infrastructure, and manage limited water supplies.


Advancing 3d Channel Representation To Support National Scale Flood Forecasting Operations, Jose Castejon Villalobos, Anzy Lee, Noelle Patterson, Belize Lane, Colin Phillips Mar 2025

Advancing 3d Channel Representation To Support National Scale Flood Forecasting Operations, Jose Castejon Villalobos, Anzy Lee, Noelle Patterson, Belize Lane, Colin Phillips

Spring Runoff Conference

Storms and Flooding are major annual disasters.


Paired Storms Reveal Post-Fire Flood Characteristics And Drivers, Haley Canham, Belize Lane Mar 2025

Paired Storms Reveal Post-Fire Flood Characteristics And Drivers, Haley Canham, Belize Lane

Spring Runoff Conference

The wildfire regime is changing in the western US.


Davis Aqueduct Reach 1 - The Design And Construction Of Large Diameter Pipelines, Shane Mcfarland Mar 2025

Davis Aqueduct Reach 1 - The Design And Construction Of Large Diameter Pipelines, Shane Mcfarland

Spring Runoff Conference

Designing and building a seismically resilient 72-inch pipeline.

District Overview: Weber Basin Water Conservancy District


From Vulnerabilities And Concern To Action: How Perceived Climate Vulnerabilities And Concern For The Great Salt Lake Desiccation Shape Utahns’ Migration Decision, Mufti Nadimul Quamar Ahmed, Jennifer E. Givens Mar 2025

From Vulnerabilities And Concern To Action: How Perceived Climate Vulnerabilities And Concern For The Great Salt Lake Desiccation Shape Utahns’ Migration Decision, Mufti Nadimul Quamar Ahmed, Jennifer E. Givens

Spring Runoff Conference

In light of the current climate crisis, how do Utahns perceive their climate or disaster vulnerabilities and concern for the Great Salt Lake desiccation? Does the perception of vulnerabilities and concern for the Great Salt Lake desiccation influence their intention to migrate from Utah?


Water And Journalism Panel, Heather May, Anastasia Hufham, Ben Winslow, Sheri Quinn Mar 2025

Water And Journalism Panel, Heather May, Anastasia Hufham, Ben Winslow, Sheri Quinn

Spring Runoff Conference

Respondents’ sources of information on Great Salt Lake issues


The Practical And The Possible: How Research Informs Policy And Management For Land, Forest, And Water Management, Charlie Luce Mar 2025

The Practical And The Possible: How Research Informs Policy And Management For Land, Forest, And Water Management, Charlie Luce

Spring Runoff Conference

The practical and the possible: How research informs policy and management for land, forest, and water resources.


What Does Our Water Year Look Like?, Candice Hasenyager Mar 2025

What Does Our Water Year Look Like?, Candice Hasenyager

Spring Runoff Conference

Drip Drip Drop: Water in Utah

In Utah, we are either in drought or preparing for the next one


We Shall Have A Seat At The Table, Yanna Liang Mar 2025

We Shall Have A Seat At The Table, Yanna Liang

Spring Runoff Conference

Uniqueness of ESE 

  • The only environmental BS program in the nation that has “Sustainable” in its title.
  • Sustainability in water treatment, air pollution control, energy production, resource re-utilization 


The Once And Future Variability Of Colorado River Water Resources, Balaji Rajagopalan Mar 2025

The Once And Future Variability Of Colorado River Water Resources, Balaji Rajagopalan

Spring Runoff Conference

The Plot – “Millennium Drought” Since 2000 

  • Current Water Crisis 


Impacts Of Changing Temperatures On The Water Budget In The Great Salt Lake Basin, Grace Affram, Jihad Othman, Reza Morovati, Saddy Pineda Castellanos, Sajad Khoshnoodmotlagh, Diana Dunn, Braedon Dority, Katherine Osorio Diaz, Cody Ratterman, Wei Zhang Mar 2025

Impacts Of Changing Temperatures On The Water Budget In The Great Salt Lake Basin, Grace Affram, Jihad Othman, Reza Morovati, Saddy Pineda Castellanos, Sajad Khoshnoodmotlagh, Diana Dunn, Braedon Dority, Katherine Osorio Diaz, Cody Ratterman, Wei Zhang

Spring Runoff Conference

Temperature affects precipitation phases and the evolution of snowpack.


Abundance And Prevalence Of Antibiotic-Resistant Escherichia Coli In Tangipahoa Parish, Louisiana Water Bodies Impacted By On-Site Wastewater Treatment System Effluent, Katherine Weise Mar 2025

Abundance And Prevalence Of Antibiotic-Resistant Escherichia Coli In Tangipahoa Parish, Louisiana Water Bodies Impacted By On-Site Wastewater Treatment System Effluent, Katherine Weise

LSU Master's Theses

Antimicrobial resistance (AMR) is a growing public health concern, especially with the spread of extended-spectrum beta-lactamase (ESBL) producing Escherichia coli. This study examined the prevalence and abundance of antibiotic-resistant E. coli in Yellow Water (YW) and Natalbany River (NR) in Tangipahoa Parish, Louisiana, which receive effluent from decentralized wastewater treatment systems. Monthly surface water grab samples were collected at four sites on each river from February 2023 to July 2024 and screened for generic and antibiotic-resistant E. coli using membrane filtration with ceftriaxone and cefotaxime as screening agents per the WHO Tricycle Protocol. We evaluated resistance patterns of the …


Canal Improvements: Balancing Piping And Automation, Trevor Nielson Mar 2025

Canal Improvements: Balancing Piping And Automation, Trevor Nielson

Spring Runoff Conference

Factors to Consider 

- Piping 

  • Size/Cost 
  • Loss saved per mile 
  • Longer Lifespan 
  • Safety Benefits 

- Automation 

  • On-going Cost 
  • Cover Existing O&M Costs 
  • More Skilled Staff 
  • Higher Quality of Life for Field Employees 
  • Safety Benefits 


Box Elder County - Countywide Water Master Plan, Quinn Dance Mar 2025

Box Elder County - Countywide Water Master Plan, Quinn Dance

Spring Runoff Conference

Box Elder County Water Master Plan.

Project Background: 

Pre-Project Planning 

  • Box Elder County General Plan Update 
  • Steering Committee Organization 


Soil Health And Water Conservation, Tony Richards Mar 2025

Soil Health And Water Conservation, Tony Richards

Spring Runoff Conference

What are Healthy Soils? 

  • Stable 
  • Functional 
  • Productive 
  • Resilient 


Using Sheet Piles To Control Contaminant Transport From Different Sources Through The Soil, Eslam Kashef Elgmmal Eslam K. Elgmmal, Ibrahim Mohamed Rashwan, H. Omara Mar 2025

Using Sheet Piles To Control Contaminant Transport From Different Sources Through The Soil, Eslam Kashef Elgmmal Eslam K. Elgmmal, Ibrahim Mohamed Rashwan, H. Omara

Journal of Engineering Research

Contaminants can reach the excavation site and lead to groundwater contamination. The present research investigates the effect of using sheet piles for controlling the migration of contaminants to excavation sites that require high-quality groundwater, taking into consideration changing concentrations of contaminants and changing soil surface depth downstream of the sheet piles. The arrival time of contamination to reach under the sheet piles and the time for reaching contamination to the excavation site were studied. Additionally, the effect of using two different sources of contaminants with different concentrations on the mixing time between them through groundwater was investigated. Two modules, SEEP/W …


Water Quality Assessment Of Irrigation Streams Within Dakahlia Governorate, Egypt, Mahy Adel Elbialy, Ibrahim Mohamed Rashwan, Saleh Shalaby, Ahmed Shalby Mar 2025

Water Quality Assessment Of Irrigation Streams Within Dakahlia Governorate, Egypt, Mahy Adel Elbialy, Ibrahim Mohamed Rashwan, Saleh Shalaby, Ahmed Shalby

Journal of Engineering Research

Water quality degradation is a major global concern and a significant threat to human health. In Egypt, extensive agricultural runoff enriched with fertilizers, pesticides, and herbicides endangers the aquatic ecosystems. Accordingly, a reliable water quality monitoring and assessment program is crucial for formulating a management strategy aimed at water resource protection. Indeed, water quality assessment implies a challenge in identifying sampling locations, frequencies and monitored parameters. This paper aims to report on the water quality state of some irrigation streams in the Dakahlia governorate, Egypt. A systematic monitoring program was implemented through three field campaigns conducted in November 2023, February …


Great Salt Lake Model Depletion, Katherine Wright Mar 2025

Great Salt Lake Model Depletion, Katherine Wright

Spring Runoff Conference

When does water leasing make sense? Using New Information to Make Better Leases.

Lease, but only if it makes sense.

  • Farmers have a legal right to use water on their farms for agriculture.
  • Leasing might be a good economic decision for you, but not your neighbor.
  • Leasing is voluntary, the purpose of this presentation is to explain the benefits of leasing and give you the information you need to decide if it is right for you. 


Utah Water Research Lab, David Tarboton Mar 2025

Utah Water Research Lab, David Tarboton

Spring Runoff Conference

The concept of a dedicated water research laboratory evolved over years, with significant contributions from Vaughn E. Hansen, Dean F. Peterson, and George D. Clyde. The UWRL represents the culmination of a long-held vision at USU to advance water research.


Legislative Updates Panel, Casey Snider, Brian Steed, Kelly Pehrson, Joel Ferry Mar 2025

Legislative Updates Panel, Casey Snider, Brian Steed, Kelly Pehrson, Joel Ferry

Spring Runoff Conference

Legislative Updates Panel


Water Rights Update, Teresa Wilhelmsen Mar 2025

Water Rights Update, Teresa Wilhelmsen

Spring Runoff Conference

State Engineer's Update:

2024-2025 Strategic Action Plan

2024 Updates by functional section:

  • Adjudication
  • Applications & Records
  • Dam Safety & Stream Alterations
  • Data Services
  • Field Services
  • Technical Services


Northern Utah Gaging And Measurement Infrastructure Needs And Updates, Beth Neilson Mar 2025

Northern Utah Gaging And Measurement Infrastructure Needs And Updates, Beth Neilson

Spring Runoff Conference

We can’t manage what we don’t MEASURE. We can’t manage what we don’t UNDERSTAND.


Great Salt Lake: What’S Next?, Brian Steed Mar 2025

Great Salt Lake: What’S Next?, Brian Steed

Spring Runoff Conference

Water security is key to living in the West.


Snowpack And Water Supply Outlook, Jordan Clayton Mar 2025

Snowpack And Water Supply Outlook, Jordan Clayton

Spring Runoff Conference

>95% of the water we use in Northern Utah comes from snow. Therefore, it’s critically important to quantify how much water is stored in our snowpack.


Modeling The Pollution From Latrines In A Low- And Middle-Income Country Setting, Christopher Nenninger Mar 2025

Modeling The Pollution From Latrines In A Low- And Middle-Income Country Setting, Christopher Nenninger

USF Tampa Graduate Theses and Dissertations

Latrines are an important sanitation infrastructure that are critical to the United Nations’ effort to end open defecation and achieve the target regarding safely managed sanitation outlined in Sustainable Development Goal #6. This global effort has led to 40,000,000 new users being introduced to improved latrines each year, and this number is expected to increase as the world’s population grows. One of the drawbacks related to these new latrine additions is the potential increase in pollution from hydraulically connected latrine pits to shallow groundwater. This is especially problematic in low- and middle-income countries (LMICs), where communities are more likely to …


Efficiency Of Enzyme Induced Carbonate Precipitation (Eicp) By Crude Extract Urease For Geotechnical And Geoenvironmental Applications, Kaniz Roksana Mar 2025

Efficiency Of Enzyme Induced Carbonate Precipitation (Eicp) By Crude Extract Urease For Geotechnical And Geoenvironmental Applications, Kaniz Roksana

Theses and Dissertations

Geotechnical engineering is currently facing challenges, including accommodating rapid urbanization, adapting to climate change impacts, and prioritizing sustainability, all while ensuring the safety and stability of critical infrastructure. Biocementation is a recently developed new branch in geotechnical engineering that offers innovative and eco-friendly solutions by leveraging natural processes to enhance soil properties. This dissertation examines the potential of soybean extract urease as a cost-effective substitute for analytical-grade enzymes in Enzyme Induced Carbonate Precipitation (EICP) applications for biocementation. This research examines its effectiveness in various aspects, such as coastal erosion control, desiccation crack remediation, and the removal of heavy metals. Essential …