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6,800 full-text articles. Page 93 of 273.

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; Request For Change Brw-2023-02, Pioneer Technical Services, Inc. 2023 Montana Tech Library

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; Request For Change Brw-2023-02, Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Feasibility Analysis Of Aeronet Lunar Aod For Nighttime Particulate Matter Estimation, Kwang Nyun Kim, Seung Hee Kim, Sang Seo Park, Yun Gon Lee 2023 Chungnam National University

Feasibility Analysis Of Aeronet Lunar Aod For Nighttime Particulate Matter Estimation, Kwang Nyun Kim, Seung Hee Kim, Sang Seo Park, Yun Gon Lee

Institute for ECHO Articles and Research

Several studies have attempted to estimate particulate matter (PM) concentrations using aerosol optical depth (AOD), based on AOD and PM relationships. Owing to the limited availability of nighttime AOD data, PM estimation studies using AOD have focused on daytime. Recently, the Aerosol Robotic Network (AERONET) produced nighttime AOD, called lunar AOD, providing an opportunity to estimate nighttime PM. Nighttime AOD measurements are particularly important as they help fill gaps in our understanding of aerosol variability and its impact on the atmosphere, as there are significant variations in AOD between day and night. In this study, the relationship between lunar AOD …


Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) 2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp) And 2022 Final Unreclaimed Sites Qapp Request For Change (Dated April 13, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) 2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp) And 2022 Final Unreclaimed Sites Qapp Request For Change (Dated April 13, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Approval Letter For The Draft Final Butte Priority Soils Operable Unit (Bpsou) Insufficiently Reclaimed (Ir) Sites Colorado Dump – West Lot Construction Completion Report (Dated April 10, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Draft Final Butte Priority Soils Operable Unit (Bpsou) Insufficiently Reclaimed (Ir) Sites Colorado Dump – West Lot Construction Completion Report (Dated April 10, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Approval Letter For The Butte Priority Soils Operable Unit, Final 2021 Unreclaimed Sites Sampling Ur-30 Site Evaluation Summary Report (Dated April 20, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Butte Priority Soils Operable Unit, Final 2021 Unreclaimed Sites Sampling Ur-30 Site Evaluation Summary Report (Dated April 20, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) 2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp) And 2022 Final Unreclaimed Sites Qapp Request For Change (Dated April 13, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) 2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp) And 2022 Final Unreclaimed Sites Qapp Request For Change (Dated April 13, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Butte Reduction Works (Brw) Phase Iii Quality Assurance Project Plan (Qapp) Request For Change Brw-2023-01, Josh Bryson 2023 Management Service Company, ARCO

Butte Reduction Works (Brw) Phase Iii Quality Assurance Project Plan (Qapp) Request For Change Brw-2023-01, Josh Bryson

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Final 2023 Residential Metals Abatement Program (Rmap) Park Soil Sampling Field Sampling Plan (Fsp) Submittal #8 [Ramsay Skating Rink, Skyline Park, Butte Vigilante Saddle Club, Butte Country Club, Fairmont Hot Springs, Silver Bow Homes Park, Gloria Dei Lutheran Church, And United Congregational Church], Pioneer Technical Services, Inc. 2023 Montana Tech Library

Final 2023 Residential Metals Abatement Program (Rmap) Park Soil Sampling Field Sampling Plan (Fsp) Submittal #8 [Ramsay Skating Rink, Skyline Park, Butte Vigilante Saddle Club, Butte Country Club, Fairmont Hot Springs, Silver Bow Homes Park, Gloria Dei Lutheran Church, And United Congregational Church], Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Draft Final 2023 Residential Metals Abatement Program (Rmap) Racetrack Borrow Submittal, Pioneer Technical Services, Inc. 2023 Montana Tech Library

Draft Final 2023 Residential Metals Abatement Program (Rmap) Racetrack Borrow Submittal, Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Approval Letter For The Draft Final Residential Metals Abatement Program (Rmap) 2023 Walkerville Park (Walkerville Drive And Ryan Road) Soil Remedial Action Work Plan (Rawp) (Dated April 24, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Draft Final Residential Metals Abatement Program (Rmap) 2023 Walkerville Park (Walkerville Drive And Ryan Road) Soil Remedial Action Work Plan (Rawp) (Dated April 24, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Residential Metals Abatement Program (Rmap) Park Field Sampling Plan (Fsp) Submittal #7 [Covering Gold Hill Lutheran Church, Peoples Park, Sioux Park, Charlie Judd Park, Emma Park, Mandan Park, And Walkerville Park (Daly And Dun)] (Dated April 14, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Residential Metals Abatement Program (Rmap) Park Field Sampling Plan (Fsp) Submittal #7 [Covering Gold Hill Lutheran Church, Peoples Park, Sioux Park, Charlie Judd Park, Emma Park, Mandan Park, And Walkerville Park (Daly And Dun)] (Dated April 14, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Residential Metals Abatement Program (Rmap) Park Field Sampling Plan (Fsp) Submittal #8 [Covering Ramsay Skating Rink, Skyline Park, Butte Vigilante Saddle Club, Butte Country Club, Fairmont Hot Springs, Silver Bow Homes Park, Gloria Dei Lutheran Church, And United Congregational Church] (Dated April 28, 2023), Nikia Greene 2023 Environmental Protection Agency

Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Residential Metals Abatement Program (Rmap) Park Field Sampling Plan (Fsp) Submittal #8 [Covering Ramsay Skating Rink, Skyline Park, Butte Vigilante Saddle Club, Butte Country Club, Fairmont Hot Springs, Silver Bow Homes Park, Gloria Dei Lutheran Church, And United Congregational Church] (Dated April 28, 2023), Nikia Greene

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Small Community Water Systems Have The Highest Prevalence Of Mn In Drinking Water In California, Usa, Miranda Aiken, Samantha C. Ying 2023 Chapman University

Small Community Water Systems Have The Highest Prevalence Of Mn In Drinking Water In California, Usa, Miranda Aiken, Samantha C. Ying

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Manganese (Mn) is currently regulated as a secondary contaminant in California, USA; however, recent revisions of the World Health Organization drinking water guidelines have increased regulatory attention of Mn in drinking water due to increasing reports of neurotoxic effects in infants and children. In this study, Mn concentrations reported to California’s Safe Drinking Water Information System were used to estimate the potentially exposed population within California based on system size. We estimate that between 2011 and 2021, over 525,000 users in areas with reported Mn data are potentially exposed to Mn concentrations exceeding the WHO health-based guideline (80 μg L …


Draft Final 2023 Residential Metals Abatement Program (Rmap) Clark Park Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc. 2023 Montana Tech Library

Draft Final 2023 Residential Metals Abatement Program (Rmap) Clark Park Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Energy And Climate Change Issues Around Csudh, Alex E. Perez, Tara B. Jones, Raju Bista, Parveen K. Chhetri 2023 California State University, Dominguez Hills

Energy And Climate Change Issues Around Csudh, Alex E. Perez, Tara B. Jones, Raju Bista, Parveen K. Chhetri

CSU Journal of Sustainability and Climate Change

Climate change is posing significant challenges to California’s energy sector. Extreme weather events (heat and cold) may pressure existing infrastructure. Many studies have indicated that extreme climate events would impact the energy system by affecting peak electricity demand. However, very few studies have been conducted to understand how disadvantaged communities (DACs) will be impacted. Because of unequal access to energy infrastructure (electricity generation and battery storage), DACs are more vulnerable to power outages due to the rising number of significant weather events caused by climate change. To address the issue of how DACs are disproportionately affected by climate change-related energy …


Improving The Cotton Simulation Model, Gossym, For Soil, Photosynthesis, And Transpiration Processes, Sahila Beegum, Dennis Timlin, Kambham Raja Reddy, Vangimalla Reddy, Wenguang Sun, Zhuangji Wang, David Fleisher, Chittaranjan Ray 2023 University of Nebraska-Lincoln, USDA-ARS

Improving The Cotton Simulation Model, Gossym, For Soil, Photosynthesis, And Transpiration Processes, Sahila Beegum, Dennis Timlin, Kambham Raja Reddy, Vangimalla Reddy, Wenguang Sun, Zhuangji Wang, David Fleisher, Chittaranjan Ray

Nebraska Water Center: Faculty Publications

GOSSYM, a mechanistic, process-level cotton crop simulation model, has a two-dimensional (2D) gridded soil model called Rhizos that simulates the below-ground processes daily. Water movement is based on gradients of water content and not hydraulic heads. In GOSSYM, photosynthesis is calculated using a daily empirical light response function that requires calibration for response to elevated carbon dioxide ( CO2). This report discusses improvements made to the GOSSYM model for soil, photosynthesis, and transpiration processes. GOSSYM’s predictions of below-ground processes using Rhizos are improved by replacing it with 2DSOIL, a mechanistic 2D finite element soil process model. The photosynthesis …


2023 Draft Final Unreclaimed Sites Quality Assurance Project Plan (Qapp), Pioneer Technical Services, Inc. 2023 Montana Tech Library

2023 Draft Final Unreclaimed Sites Quality Assurance Project Plan (Qapp), Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


Occurrence Of Radionuclides And Hazardous Elements In The Transboundary River Basin Kyrgyzstan–Kazakhstan, Mariya A. Severinenko, Vladimir P. Solodukhin, Bekmamat M. Djenbaev, The National Academy of Science of the Kyrgyz Republic G. Lennik, Baktiyar T. Zholboldiev, Daniel D. Snow 2023 Institute of Nuclear Physics, Al-Farabi Kazakh National University

Occurrence Of Radionuclides And Hazardous Elements In The Transboundary River Basin Kyrgyzstan–Kazakhstan, Mariya A. Severinenko, Vladimir P. Solodukhin, Bekmamat M. Djenbaev, The National Academy Of Science Of The Kyrgyz Republic G. Lennik, Baktiyar T. Zholboldiev, Daniel D. Snow

Nebraska Water Center: Faculty Publications

Important for irrigation, the transboundary river basin between Kyrgyzstan and Kazakhstan is vulnerable to geochemical and anthropogenic sources of pollution. The use of water use indices, together with measurements of the elemental and radionuclide composition of the water and bottom sediments, provides a means for evaluating the continued use of the water from this region. Recent monitoring shows the highest concentrations of hazardous contaminants include lead and thorium contained in the bottom and banks of the Kichi-Kemin River. These contaminants are likely remnants of an accidental spill at the Aktyuz tailing dump in 1964. The specific activity of the Th-232 …


Evaluation Of Hydrogeochemical Characteristics Of San Joaquin, Tulare, And Mojave Aquifers, Southern California, Maedeh Hassanvand 2023 University of Arkansas, Fayetteville

Evaluation Of Hydrogeochemical Characteristics Of San Joaquin, Tulare, And Mojave Aquifers, Southern California, Maedeh Hassanvand

Graduate Theses and Dissertations

Before making attempts to enhance and manage the quality of water, a thorough understanding of these processes is necessary since the chemical quality of groundwater is impacted by a number of linked processes. This would be more important in arid and semiarid regions like the southern part of California where more rely on groundwater for agriculture and drinking water uses than the other states. As a result, fundamental knowledge of the governing processes of groundwater chemistry is required for effective water resource management. Thus, this study is primarily concerned with three aspects in Mojave, Tulare, and San Joaquin aquifers: The …


The Last Drought Frontier: Building A Drought Index For The State Of Alaska, Olivia Campbell 2023 University of Nebraska-Lincoln

The Last Drought Frontier: Building A Drought Index For The State Of Alaska, Olivia Campbell

School of Natural Resources: Dissertations, Theses, and Student Research

Drought is characterized by periods of below average precipitation. There are five major types of drought recognized in the literature: meteorological, hydrological, agricultural, socioeconomic, and ecological. A relatively new concept in the drought literature is “snow drought.” A key part of the definition of drought is that it is not always accompanied by extreme heat. This means drought can occur even in cold climates, cold seasons, and higher latitudes and altitudes, like Alaska. Drought is a natural part of climate variability, but Alaska’s climate is changing faster than any other state in the United States. Alaska is no stranger to …


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