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Articles 1321 - 1350 of 7481

Full-Text Articles in Environmental Monitoring

Amino-Modified Upcycled Biochar Achieves Selective Chromium Removal In Complex Aqueous Matrices, Kenneth Flores, Diego F. Gonzalez, Helia Magali Morales, Arnulfo Mar, Sergi Garcia-Segura, Jorge L. Gardea-Torresdey, Jason Parsons Jun 2024

Amino-Modified Upcycled Biochar Achieves Selective Chromium Removal In Complex Aqueous Matrices, Kenneth Flores, Diego F. Gonzalez, Helia Magali Morales, Arnulfo Mar, Sergi Garcia-Segura, Jorge L. Gardea-Torresdey, Jason Parsons

School of Earth, Environmental, & Marine Sciences Faculty Publications

Chromium pollution of groundwater sources is a growing global issue, which correlates with various anthropogenic activities. Remediation of both the Cr(VI) and Cr(III), via adsorption technologies, has been championed in recent years due to ease of use, minimal energy requirements, and the potential to serve as a highly sustainable remediation technology. In the present study, a biochar sorbent sourced from pineapple skins, allowed for the upcycling of agricultural waste into water purification technology. The biochar material was chemically modified, through a green amination method, to produce an efficient and selective adsorbent for the removal of both Cr(VI) and Cr(III) from …


Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoon System – First Quarter 2024, Pioneer Technical Services, Inc. Jun 2024

Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoon System – First Quarter 2024, Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Berkeley Pit And Discharge Pilot Project Discharge System Operations Assurance Plan 2024 Update, Revision 1, Pioneer Technical Services, Inc., Wsp Environment & Infrastructure, Inc. Jun 2024

Berkeley Pit And Discharge Pilot Project Discharge System Operations Assurance Plan 2024 Update, Revision 1, Pioneer Technical Services, Inc., Wsp Environment & Infrastructure, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Development Of The Nebraska Department Of Transportation Winter Severity Index – Phase Ii, Mark Anderson, Curtis L. Walker, Thomas Kauzlarich May 2024

Development Of The Nebraska Department Of Transportation Winter Severity Index – Phase Ii, Mark Anderson, Curtis L. Walker, Thomas Kauzlarich

Nebraska Department of Transportation: Research Reports

For the Nebraska Department of Transportation (NDOT), the Nebraska Winter Severity Index (NEWINS) provided an independent framework to calculate a winter season’s severity by categorizing individual winter storms. However, one of the greatest limitations of NEWINS is that it is not predictive. Thus, this study builds on the previously developed NEWINS by creating a predictive winter storm severity index known as NEWINS-Predictive (NEWINS-P). The quantitative precipitation forecast, snow accumulation, ice accumulation, and surface wind speed parameters from the National Digital Forecast Database (NDFD) are used to develop the five components composing the NEWINS-P framework. These components consist of snow severity …


Re: Final Request For Change (Rfc-Rmap-2024-001), Mike Mcanulty May 2024

Re: Final Request For Change (Rfc-Rmap-2024-001), Mike Mcanulty

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Request For Change (Rfc-Rmap-2024-001) (Dated May 9, 2024), Molly Roby May 2024

Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Request For Change (Rfc-Rmap-2024-001) (Dated May 9, 2024), Molly Roby

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Borrow Amendment Submittal #1 (Dated May 9, 2024), Molly Roby May 2024

Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Borrow Amendment Submittal #1 (Dated May 9, 2024), Molly Roby

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Field Sampling Plan (Fsp) Package #11: Ur-49 And Ur-50 (Dated May 6, 2024), Molly Roby May 2024

Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Field Sampling Plan (Fsp) Package #11: Ur-49 And Ur-50 (Dated May 6, 2024), Molly Roby

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Request For Change (Rfc-Rmap-2024-001) (Dated May 9, 2024), Molly Roby May 2024

Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Request For Change (Rfc-Rmap-2024-001) (Dated May 9, 2024), Molly Roby

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Field Sampling Plan (Fsp) Package #11: Ur-49 And Ur-50 (Dated May 6, 2024), Molly Roby May 2024

Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Field Sampling Plan (Fsp) Package #11: Ur-49 And Ur-50 (Dated May 6, 2024), Molly Roby

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


What Climate Change Means For Nebraska May 2024

What Climate Change Means For Nebraska

United States Environmental Protection Agency: Publications

Nebraska’s climate is changing. In the past century, most of the state has warmed by at least one degree (F). The soil is becoming drier, and rainstorms are becoming more intense. In the coming decades, flooding is likely to increase, yet summers are likely to become increasingly hot and dry, which would reduce yields of some crops, require farmers to use more water, and amplify some risks to human health.

Our climate is changing because the earth is warming. People have increased the amount of carbon dioxide in the air by 40 percent since the late 1700s. Other heat-trapping greenhouse …


Re: Conditional Approval Letter Butte Priority Soils Operable Unit Grove Gulch Sedimentation Bay 100% Remedial Design (Dated March 22, 2024), Emma Rott May 2024

Re: Conditional Approval Letter Butte Priority Soils Operable Unit Grove Gulch Sedimentation Bay 100% Remedial Design (Dated March 22, 2024), Emma Rott

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Qapp), Josh Bryson May 2024

Re: Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Qapp), Josh Bryson

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Qapp), Josh Bryson May 2024

Re: Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Qapp), Josh Bryson

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Draft Final Annual Operations And Maintenance (O&M) Report: Butte Treatment Lagoon (Btl) System – 2023, Pioneer Technical Services, Inc. May 2024

Draft Final Annual Operations And Maintenance (O&M) Report: Butte Treatment Lagoon (Btl) System – 2023, Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Multi-Scale Variability Of Heavy Metals In A Snowpack In The Triple Divide Region Of The Western United States, Kelsey Hefner May 2024

Multi-Scale Variability Of Heavy Metals In A Snowpack In The Triple Divide Region Of The Western United States, Kelsey Hefner

University Honors Theses

Natural and anthropogenically sourced particulates are deposited from the atmosphere to landscapes via dry and wet deposition, making frozen winter snowpack a natural archive of atmospheric elemental composition. In the Western United States, wildfires are increasing in extent, duration, and severity. Severe fires remove forest canopy, impacting how atmospheric elements are dispersed and stored across snow-dominated watersheds. We evaluated concentrations of twelve elements in 397 winter snow core samples from a chronosequence of eight forests that burned with mixed severity from 2000 to 2018 in the Triple Divide region of Western Wyoming, the headwaters of the Columbia, Colorado, and Missouri …


Draft Final 2024 Residential Metals Abatement Program (Rmap) Quality Assurance Project Plan (Qapp) Annual Update (Non-Residential Parcels And Residential Daycares), Pioneer Technical Services, Inc. May 2024

Draft Final 2024 Residential Metals Abatement Program (Rmap) Quality Assurance Project Plan (Qapp) Annual Update (Non-Residential Parcels And Residential Daycares), Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Comments For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Quality Assurance Project Plan (Qapp) (Dated February 26, 2024), Molly Roby May 2024

Re: Comments For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Quality Assurance Project Plan (Qapp) (Dated February 26, 2024), Molly Roby

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Exploring Microplastic Concentrations And The Sedimentology Of San Diego's Offshore Benthic Environments, Rachel Sarner May 2024

Exploring Microplastic Concentrations And The Sedimentology Of San Diego's Offshore Benthic Environments, Rachel Sarner

Theses

Marine pollution studies are showing infiltration of plastic debris in remote parts of oceans including the deep sea. Microplastics (MPs) are being discovered not only in the ocean’s water column but also benthic sediments reaching thousands of meters in depth. This is the first study to analyze MP concentrations in conjunction with sedimentary characteristics from varying deep-sea environments (coastal, deep ocean, offshore terrace) in the Southern California Continental Borderland (CCB). Our goal for this study was to observe how the concentration and type (morphology, color, size) of microplastics varied with distance from shore, with water depth, and between different submarine …


Progress And Challenges Of Sustainable Development Goals (Sdgs) In The World And In China, Bojie Fu, Junze Zhang May 2024

Progress And Challenges Of Sustainable Development Goals (Sdgs) In The World And In China, Bojie Fu, Junze Zhang

Bulletin of Chinese Academy of Sciences (Chinese Version)

Achieving the 17 Sustainable Development Goals (SDGs) adopted by United Nations is a critical task for countries around the world from 2016 to 2030. Yet, recent assessments indicate that progress on half of the SDGs has stagnated or even regressed, and that most goals are unlikely to be met by 2030. This study reviews the progress globally and in China towards achieving the 17 SDGs, and summarizes five key challenges that are impinging their realization: 1) the data gaps and insufficient monitoring capacity, 2) the high complexity of interlinkages among the SDGs, 3) the influence of regional disparities and negative …


Releases Of Hazardous Materials And Waste From Transportation Incidents In The Us: An Analysis To Increase Environmental Resiliency, Elizabeth Irene Tautges May 2024

Releases Of Hazardous Materials And Waste From Transportation Incidents In The Us: An Analysis To Increase Environmental Resiliency, Elizabeth Irene Tautges

Master's Projects and Capstones

Excessive amounts of hazardous materials and waste are released into the environment from transportation incidents. The United States federal government has regulations on the movement of hazardous material and waste during transportation, but preventing environmental releases is not a major priority. Multiple external factors influence the release of hazardous material and waste into the environment. Transportation incidents can be prevented by modifying the information collected in emergency reports, adjusting transportation patterns and conditions, and expressing negative environmental impacts, preparing responder efforts to communicate effectively. The components of previous hazardous materials and waste releases emphasize the needed improvements for increasing environmental …


Re: Approval Of The Revised Draft Final Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Qapp) (Dated 5/7/24), Emma Rott May 2024

Re: Approval Of The Revised Draft Final Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Qapp) (Dated 5/7/24), Emma Rott

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Re: Comment Letter For Draft Bpsou Blacktail Creek Riparian Actions Remedial Design Work Plan (Rdwp) (Dated April 4, 2024), Emma Rott May 2024

Re: Comment Letter For Draft Bpsou Blacktail Creek Riparian Actions Remedial Design Work Plan (Rdwp) (Dated April 4, 2024), Emma Rott

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Thermal Physiology Of Sceloporus Olivaceus And Sceloporus Variabilis In South Texas, Ian Rockel May 2024

Thermal Physiology Of Sceloporus Olivaceus And Sceloporus Variabilis In South Texas, Ian Rockel

Masters Theses (Archived)

This study explores the thermal physiology of two sympatric lizard species, Sceloporus olivaceus (Texas spiny lizard) and Sceloporus variabilis (rose-bellied lizard), in South Texas. I document the metabolic rate and its temperature sensitivity, thermal limits, and performance at different temperatures to better understand the impact of rising temperatures and urbanization on these ectotherms, whose body temperature and, consequently, metabolic rate, activity level, and reproductive success depend on their thermal environment. We hypothesize that S. olivaceus will exhibit greater thermal resilience owing to its broader latitudinal range, variable habitat usage within Texas, and presumed more versatile thermoregulatory strategies. Scelorporus olivaceus's higher …


Investigating The Effects Of Suspended Algal Content, Dissolved Oxygen, And Temperature On A High-Frequency Acoustic Attenuation System In A Controlled Laboratory Environment, Noah Watson May 2024

Investigating The Effects Of Suspended Algal Content, Dissolved Oxygen, And Temperature On A High-Frequency Acoustic Attenuation System In A Controlled Laboratory Environment, Noah Watson

Honors Theses

The Single Frequency Acoustic Attenuation System (SFAAS) has been developed at the National Center for Physical Acoustics (NCPA). This system uses acoustic methods to monitor fine suspended sediment concentration in streams. Site-specific calibrations are necessary for this system, and previous research has indicated that algal concentration or dissolved oxygen concentration of water may affect collected data. Temperature, dissolved oxygen concentration, and fluorescence, used as a proxy for algal concentration, were monitored during this system’s use, and calibrations were derived to account for the effect of each of these variables on acoustic measurements. It has been shown that temperature has a …


Climate Change In Mississippi: A Journalistic Exploration Of Education And Activism, Kala Nance May 2024

Climate Change In Mississippi: A Journalistic Exploration Of Education And Activism, Kala Nance

Honors Theses

Climate Change in Mississippi: A Journalistic Exploration of Education and Activism takes an investigative, journalistic approach toward climate change in Mississippi. Specifically, how education and awareness have a direct impact on Mississippi industries, people and legislation. The project explored the level of acknowledgement of climate change across the state, and how certain individuals used advocacy to encourage education about climate change to raise awareness of the severity of the situation. This project includes interviews with university professors and researchers, non-profit organizations, educational groups and working individuals in some of Mississippi’s largest areas of employment. Additionally, this project draws on research …


Surface Water Quality Assessment Of Mingo Creek County Park: The Impacts Of Extractive Industries, Mikayla J. Bayto May 2024

Surface Water Quality Assessment Of Mingo Creek County Park: The Impacts Of Extractive Industries, Mikayla J. Bayto

Electronic Theses and Dissertations

Historical and current extraction operations and infrastructure, including natural gas pipelines, conventional and unconventional oil and natural gas drilling, longwall coal mining, and strip coal mining, occur throughout the Mingo Creek watershed of Washington County, Pennsylvania, including Mingo Creek County Park. Mingo Creek and several associated tributaries flow through Mingo Creek County Park, eventually discharging into the Monongahela River. An independent water quality study was conducted from June 2020 through July 2023 in Mingo Creek County Park to determine if historical and current extraction activities impact Mingo Creek and its associated tributaries. Weekly sampling of Mingo Creek and associated tributaries …


Draft Final 2024 Residential Metals Abatement Program (Rmap) Mandan Park Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc. May 2024

Draft Final 2024 Residential Metals Abatement Program (Rmap) Mandan Park Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Draft Final 2024 Residential Metals Abatement Program (Rmap) Park Soil Sampling Field Sampling Plan (Fsp) Submittal #13 [Copper Mountain Park], Pioneer Technical Services, Inc. May 2024

Draft Final 2024 Residential Metals Abatement Program (Rmap) Park Soil Sampling Field Sampling Plan (Fsp) Submittal #13 [Copper Mountain Park], Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Draft Final 2024 Butte Priority Soils Operable Unit (Bpsou) Borrow Amendment Submittal #1, Pioneer Technical Services, Inc. May 2024

Draft Final 2024 Butte Priority Soils Operable Unit (Bpsou) Borrow Amendment Submittal #1, Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.