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Articles 751 - 780 of 1072

Full-Text Articles in Environmental Monitoring

Development Of Green Cement, Based On Partial Replacement Of Cement With Limestone And Blast Furnace Slag Powders, Yaniv Knop May 2019

Development Of Green Cement, Based On Partial Replacement Of Cement With Limestone And Blast Furnace Slag Powders, Yaniv Knop

World of Coal Ash Proceedings

No abstract provided.


Conceptual Site Model Development To Manage Ccp Impoundment Leachate Impacts To Surface Water And Public Water Supply, Matthew Schnobrich, Rick Kenter May 2019

Conceptual Site Model Development To Manage Ccp Impoundment Leachate Impacts To Surface Water And Public Water Supply, Matthew Schnobrich, Rick Kenter

World of Coal Ash Proceedings

No abstract provided.


Ccr Closures – The Contractors Toolbox, Tammy Deramo May 2019

Ccr Closures – The Contractors Toolbox, Tammy Deramo

World of Coal Ash Proceedings

No abstract provided.


Lessons Learned From Implementing Advanced Compaction Monitoring At Tva’S Ccr Landfills, David White, Pavana Vennapusa, Eric Hageman, Jason Hill May 2019

Lessons Learned From Implementing Advanced Compaction Monitoring At Tva’S Ccr Landfills, David White, Pavana Vennapusa, Eric Hageman, Jason Hill

World of Coal Ash Proceedings

No abstract provided.


Monitored Natural Attenuation For Coal Combustion Product Constituents In Groundwater, Jim Redwine, Bruce Hensel May 2019

Monitored Natural Attenuation For Coal Combustion Product Constituents In Groundwater, Jim Redwine, Bruce Hensel

World of Coal Ash Proceedings

No abstract provided.


Encapsulation Of Flue-Gas Desulfurization Wastewater Using Coal Combustion By-Product Mixtures: Field Lysimeter Investigations, Jason Raucci, Jeffrey Samson, Kirk Ellison, Ben Gallagher May 2019

Encapsulation Of Flue-Gas Desulfurization Wastewater Using Coal Combustion By-Product Mixtures: Field Lysimeter Investigations, Jason Raucci, Jeffrey Samson, Kirk Ellison, Ben Gallagher

World of Coal Ash Proceedings

No abstract provided.


Use Of Fly Ash As A Proppant In Fracking Unconventional Oil & Gas Wells, Tom Robl, Anne Oberlink, Robert Jewell, Tristana Duvallet May 2019

Use Of Fly Ash As A Proppant In Fracking Unconventional Oil & Gas Wells, Tom Robl, Anne Oberlink, Robert Jewell, Tristana Duvallet

World of Coal Ash Proceedings

No abstract provided.


Bulk Storage (10,000+ Tons) Of Fly Ash, Fgd Gypsum, Limestone And Coal At Power Stations In Concrete Domes, Benjamin Davis, Zachary Fillmore, Michael Hunter May 2019

Bulk Storage (10,000+ Tons) Of Fly Ash, Fgd Gypsum, Limestone And Coal At Power Stations In Concrete Domes, Benjamin Davis, Zachary Fillmore, Michael Hunter

World of Coal Ash Proceedings

No abstract provided.


Soil Mixing And Slurry Trench Cutoff Walls For Coal Combustion Residue Sites, Jeffrey C. Evans, Daniel Ruffing May 2019

Soil Mixing And Slurry Trench Cutoff Walls For Coal Combustion Residue Sites, Jeffrey C. Evans, Daniel Ruffing

World of Coal Ash Proceedings

No abstract provided.


Cost-Effective, Environmentally-Friendly Ash Beneficiation Technology, Scott Ziegler May 2019

Cost-Effective, Environmentally-Friendly Ash Beneficiation Technology, Scott Ziegler

World of Coal Ash Proceedings

No abstract provided.


The Utilization Of Dry Scrubber Material For The Production Of Calcium Sulfoaluminate Clinkers And Cements, Tristana Y. Duvallet, Robert B. Jewell, Anne E. Oberlink, Thomas L. Robl May 2019

The Utilization Of Dry Scrubber Material For The Production Of Calcium Sulfoaluminate Clinkers And Cements, Tristana Y. Duvallet, Robert B. Jewell, Anne E. Oberlink, Thomas L. Robl

World of Coal Ash Proceedings

No abstract provided.


Net Environmental Benefit Analysis (Neba) For Ccr Pond Closure Decisions -- A Pathway To Meaningful Citizen Engagement And Reducing The Potential For Unnecessary Litigation, Chris Hardin, Ric Traver May 2019

Net Environmental Benefit Analysis (Neba) For Ccr Pond Closure Decisions -- A Pathway To Meaningful Citizen Engagement And Reducing The Potential For Unnecessary Litigation, Chris Hardin, Ric Traver

World of Coal Ash Proceedings

No abstract provided.


Challenges Met In Using Bottom Ash As A Landfill Drainage Media, William M. Strachan May 2019

Challenges Met In Using Bottom Ash As A Landfill Drainage Media, William M. Strachan

World of Coal Ash Proceedings

No abstract provided.


Two Bottom Ash Management/Handling System Enhancement Case Studies – From Technology Evaluation And Design Through Construction And Performance Verification, George Mckenzie, Aaron Davis, Chris Pickelmann, Jason Obermeyer May 2019

Two Bottom Ash Management/Handling System Enhancement Case Studies – From Technology Evaluation And Design Through Construction And Performance Verification, George Mckenzie, Aaron Davis, Chris Pickelmann, Jason Obermeyer

World of Coal Ash Proceedings

No abstract provided.


Slurry-Trench Cutoff Walls For The Containment Of The Coal Combustion Residuals (Ccr) Impacted Groundwater: Evaluation Of Hydraulic Conductivity And Consolidation Properties Of Soil-Bentonite Backfills, Y.L. Yang, Krishna Reddy, Y.J. Du, R.D. Fan May 2019

Slurry-Trench Cutoff Walls For The Containment Of The Coal Combustion Residuals (Ccr) Impacted Groundwater: Evaluation Of Hydraulic Conductivity And Consolidation Properties Of Soil-Bentonite Backfills, Y.L. Yang, Krishna Reddy, Y.J. Du, R.D. Fan

World of Coal Ash Proceedings

No abstract provided.


Ccp Beneficial Use Risk Assessment: Case Studies For Three Different Applications, Andrew Bittner, Ari Lewis May 2019

Ccp Beneficial Use Risk Assessment: Case Studies For Three Different Applications, Andrew Bittner, Ari Lewis

World of Coal Ash Proceedings

No abstract provided.


Corrective Measures/Corrective Action (Cm/Ca) Strategies That Effectively Integrate Engineered Pond Closures And Short/Long-Term Groundwater Management With Case Study Examples, Steve Putrich May 2019

Corrective Measures/Corrective Action (Cm/Ca) Strategies That Effectively Integrate Engineered Pond Closures And Short/Long-Term Groundwater Management With Case Study Examples, Steve Putrich

World of Coal Ash Proceedings

No abstract provided.


Managing Landfill Leachate In A World Without Ash Basins: Lessons Learned And Practical Considerations, Evan Andrews, Michael Lazar May 2019

Managing Landfill Leachate In A World Without Ash Basins: Lessons Learned And Practical Considerations, Evan Andrews, Michael Lazar

World of Coal Ash Proceedings

No abstract provided.


Developing Enhanced Monitored Natural Attenuation Strategies Using Reactive Transport Models, Pj Nolan, Hugh Davies, Greg Hebeler, Rens Verburg May 2019

Developing Enhanced Monitored Natural Attenuation Strategies Using Reactive Transport Models, Pj Nolan, Hugh Davies, Greg Hebeler, Rens Verburg

World of Coal Ash Proceedings

No abstract provided.


Enhancing Coal Ash Impoundment Closure Using Value Engineering, Holt Wheeler, Trey Mangers, Paul Lear May 2019

Enhancing Coal Ash Impoundment Closure Using Value Engineering, Holt Wheeler, Trey Mangers, Paul Lear

World of Coal Ash Proceedings

No abstract provided.


Experimental Test Method To Determine The Reactivity Of Fly Ash For Use In Concrete Mixture Proportioning, Antara Choudry, Deborah Glosser, O. Burkan Isgor, W. Jason Weiss May 2019

Experimental Test Method To Determine The Reactivity Of Fly Ash For Use In Concrete Mixture Proportioning, Antara Choudry, Deborah Glosser, O. Burkan Isgor, W. Jason Weiss

World of Coal Ash Proceedings

No abstract provided.


Overview Of Epri Research On Environmental Issues And Beneficial Use Of Coal Combustion Products, Bruce Hensel, Ken Ladwig May 2019

Overview Of Epri Research On Environmental Issues And Beneficial Use Of Coal Combustion Products, Bruce Hensel, Ken Ladwig

World of Coal Ash Proceedings

No abstract provided.


Is My Site A Candidate For A Groundwater Natural Attenuation Remedy? A Geochemist’S Perspective, Bob Glazier May 2019

Is My Site A Candidate For A Groundwater Natural Attenuation Remedy? A Geochemist’S Perspective, Bob Glazier

World of Coal Ash Proceedings

No abstract provided.


Impoundment Closure Enhancement Measures To Support Groundwater Compliance, John Hesemann, Wayne Weber, Eric Dulle May 2019

Impoundment Closure Enhancement Measures To Support Groundwater Compliance, John Hesemann, Wayne Weber, Eric Dulle

World of Coal Ash Proceedings

No abstract provided.


Panel On Liquefaction Of Ponded Fly Ash: From Laboratory To Practice, Tarunjit S. Butalia May 2019

Panel On Liquefaction Of Ponded Fly Ash: From Laboratory To Practice, Tarunjit S. Butalia

World of Coal Ash Proceedings

No abstract provided.


Development Of Digital Bathymetry Maps For Lakes Azuei And Enriquillo Using Sonar And Remote Sensing Techniques, Michael Piasecki, Mahrokh Moknatian, Fred Moshary, Jorge Gonzalez May 2019

Development Of Digital Bathymetry Maps For Lakes Azuei And Enriquillo Using Sonar And Remote Sensing Techniques, Michael Piasecki, Mahrokh Moknatian, Fred Moshary, Jorge Gonzalez

Publications and Research

This article presents an improved algorithm for optimization and development of a digital bathymetric model (DBM) for Lake Azuei (LA) (Haiti) and Lake Enriquillo (LE) (Dominican Republic) using the ANUDEM method. Both sonar data and contour lines of the lakes’ layout extracted using Landsat imagery were compiled for bathymetry development. We show that the performance of the ANUDEM method was strongly dependent on the density and irregularity of the spatial distribution of the data. Changing the resolution of the output grids and deriving auxiliary topographically corrected contours improved the ANUDEM performance and minimized the systematic errors of the method. Statistical …


Environmental Monitoring Using A Drone-Enabled Wireless Sensor Network, Gina Valentino, Laura Yates, Brooke Potter May 2019

Environmental Monitoring Using A Drone-Enabled Wireless Sensor Network, Gina Valentino, Laura Yates, Brooke Potter

Senior Honors Projects, 2010-2019

Water quality monitoring traditionally occurs via resource intensive field surveys, such as when a researcher manually collects data in a stream. Limiting factors such as time, money, and accessibility often result in less oversight of impaired water bodies, significantly threatening ecosystemic health and related ecosystem services. According to the United States Environmental Protection Agency, 84% of rivers and streams within the United States remain unassessed, resulting in significant lapses in available data. Such lapses prohibit efficient and effective monitoring, restoration, and conservation efforts throughout the United States. The objective of this project was to employ an unmanned aerial vehicle to …


Using A Balloon-Launched Unmanned Glider To Validate Real-Time Wrf Modeling, Travis J. Schuyler, S. M. Iman Gohari, Gary Pundsack, Donald Berchoff, Marcelo I. Guzman Apr 2019

Using A Balloon-Launched Unmanned Glider To Validate Real-Time Wrf Modeling, Travis J. Schuyler, S. M. Iman Gohari, Gary Pundsack, Donald Berchoff, Marcelo I. Guzman

Chemistry Faculty Publications

The use of small unmanned aerial systems (sUAS) for meteorological measurements has expanded significantly in recent years. SUAS are efficient platforms for collecting data with high resolution in both space and time, providing opportunities for enhanced atmospheric sampling. Furthermore, advances in mesoscale weather research and forecasting (WRF) modeling and graphical processing unit (GPU) computing have enabled high resolution weather modeling. In this manuscript, a balloon-launched unmanned glider, complete with a suite of sensors to measure atmospheric temperature, pressure, and relative humidity, is deployed for validation of real-time weather models. This work demonstrates the usefulness of sUAS for validating and improving …


Development Of A Scada System For Alternative Energy, Molom-Ochir Mijid Apr 2019

Development Of A Scada System For Alternative Energy, Molom-Ochir Mijid

Morehead State Theses and Dissertations

A thesis presented to the faculty of the College of Business and Technology at Morehead State University in partial fulfillment of the requirement for the Degree Master of Science by Molom-Ochir Mijid on April 18, 2019.


An Underground Radio Wave Propagation Prediction Model For Digital Agriculture, Abdul Salam Apr 2019

An Underground Radio Wave Propagation Prediction Model For Digital Agriculture, Abdul Salam

Faculty Publications

Underground sensing and propagation of Signals in the Soil (SitS) medium is an electromagnetic issue. The path loss prediction with higher accuracy is an open research subject in digital agriculture monitoring applications for sensing and communications. The statistical data are predominantly derived from site-specific empirical measurements, which is considered an impediment to universal application. Nevertheless, in the existing literature, statistical approaches have been applied to the SitS channel modeling, where impulse response analysis and the Friis open space transmission formula are employed as the channel modeling tool in different soil types under varying soil moisture conditions at diverse communication distances …