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Articles 1 - 30 of 4339
Full-Text Articles in Environmental Sciences
What Climate Change Means For Nebraska
What Climate Change Means For Nebraska
United States Environmental Protection Agency: Staff 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 …
Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Field Sampling Plan (Fsp) Package #11: Ur-49 And Ur-50, Atlantic Richfield Company
Butte Priority Soils Operable Unit (Bpsou) Draft Final Unreclaimed Sites Field Sampling Plan (Fsp) Package #11: Ur-49 And Ur-50, Atlantic Richfield Company
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) 2024 Draft Final Insufficiently Reclaimed Areas Quality Assurance Project Plan (Qapp) (Dated March 8, 2024), Molly Roby
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final Repository Screening Report, Pioneer Technical Services, Inc.
Final Repository Screening Report, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final Butte Priority Soils Operable Unit Repository Screening Report, Pioneer Technical Services, Inc.
Final Butte Priority Soils Operable Unit Repository Screening Report, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2023 Bpsou Subdrain Data Summary Report (Dsr), Pioneer Technical Services, Inc.
Draft Final 2023 Bpsou Subdrain Data Summary Report (Dsr), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Seasonal Comparison Of Air Quality Variables And Evaluation Of Carbon Dioxide And Particulate Measurement Period In Classrooms, Daud Nosham
Durham School of Architectural Engineering and Construction: Dissertations, Thesis, and Student Research
Indoor air quality and thermal environmental variables were measured in 55 classrooms in the mid-western United States spanning a full academic year. The studied air quality and environmental factors included carbon dioxide, temperature, relative humidity, particle counts, air velocity, formaldehyde, total volatile organic compounds, carbon monoxide, nitrogen dioxide, and ozone.
Carbon dioxide and Particulate matter concentrations were measured for a four-day measurement period. Then one-day, two-day, and four-day occupied time average concentrations were calculated which were then compared statistically to figure out an appropriate measurement period for these air quality variables. Kruskal Wallis test and Wilcoxon test were used to …
Understanding The Zonal Variability In Cmip6 Projections Of Sahelian Precipitation, Emmanuel Ogwuche Audu
Understanding The Zonal Variability In Cmip6 Projections Of Sahelian Precipitation, Emmanuel Ogwuche Audu
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
The uncertainty in model projections of future precipitation across the Sahel has persisted across many generations of Earth System Models (ESMs), with some models predicting drying and others moistening across this region. These discrepancies in future projections pose a challenge for stakeholders and decision makers. Many projections of Sahel precipitation found in the ESMs participating in the sixth phase of Coupled Model Intercomparison Project (CMIP6) show a zonal dipole in precipitation trend, with moistening across the Central and Eastern Sahel and drying projected for the Western Sahel. Previous studies have connected precipitation variability across the Sahel to changes in various …
Polarimetric Radar Signatures In Significant Severe Left-Moving Supercells, Raychel Nelson
Polarimetric Radar Signatures In Significant Severe Left-Moving Supercells, Raychel Nelson
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Left-moving (LM) supercells, though rarer than right-moving (RM) supercells, may produce significant severe weather. However, there are very few existing studies on LM supercells, particularly polarimetric radar analyses. The upgrade of the nationwide Weather Surveillance Radar-1988 Doppler (WSR-88D) network to polarimetric capability and subsequent studies vastly improved understanding of RM supercells, but similar efforts have largely not been made for LM supercells. This study employs an automated polarimetric radar signature detection algorithm to examine a dataset of significant severe (hail ≥ 2.00”, wind ≥ 65 kts) LM supercells to quantify their polarimetric signatures. Comparisons are made with RM supercells to …
A Dual-Polarimetric Analysis Of A Large Sample Of Left-Moving Supercells, Ben Schweigert
A Dual-Polarimetric Analysis Of A Large Sample Of Left-Moving Supercells, Ben Schweigert
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Supercells have been researched extensively since they were first described over 50 years ago. They are prolific severe weather producers, responsible for the most severe hail, severe wind gusts, and tornadoes. These rotating thunderstorms require attention from forecasters to protect life and property from their threats, most effectively done with Doppler radars. While extensive amounts of radar-based investigations have been completed, they focused almost exclusively on right-moving (RM) supercells, resulting in a knowledge gap surrounding their counter-rotating (left-moving, LM) partners. This study works to fill the void by developing a dataset of LM supercells and analyzing the dual-polarimetric features observed …
An Assessment Of Uranium In Groundwater From Domestic Wells In Southeastern Nebraska, Usa, Farzana I. Rahman
An Assessment Of Uranium In Groundwater From Domestic Wells In Southeastern Nebraska, Usa, Farzana I. Rahman
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
In this study, I assessed the groundwater quality of drinking water from domestic wells within the Upper Big Blue Natural Resources District (UBB NRD) in southeastern Nebraska. Rural residents in the UBB NRD obtain drinking water from domestic wells that terminate in the High Plains Aquifer, one of the most important groundwater resources in the United States. This aquifer is known to have several potential sources of uranium, a locally common geogenic contaminant that may affect human health.
The two main methodologies used in this study were statistical modeling using kriging and process-based modeling using PHREEQC. Ordinary kriging was used …
Draft Final Revised Residential Metals Abatement Program (Rmap) Quality Assurance Project Plan (Qapp) (Residential Parcels), Pioneer Technical Services, Inc.
Draft Final Revised Residential Metals Abatement Program (Rmap) Quality Assurance Project Plan (Qapp) (Residential Parcels), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final 2024 Residential Metals Abatement Program (Rmap) Baptist Student Union (Former Mckinley School) Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Final 2024 Residential Metals Abatement Program (Rmap) Baptist Student Union (Former Mckinley School) Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2021 Residential Metals Abatement Program (Rmap) Head Start (Former Lincoln School) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Draft Final 2021 Residential Metals Abatement Program (Rmap) Head Start (Former Lincoln School) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites Field Sampling Plans (Fsps) And Final Unreclaimed Sites Fsps Request For Change Ur/Ir 2024-001, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2021-2022 Residential Metals Abatement Program (Rmap) Aware Early Head Start Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Draft Final 2021-2022 Residential Metals Abatement Program (Rmap) Aware Early Head Start Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites Field Sampling Plans (Fsps) And Final Unreclaimed Sites Fsps Request For Change Ur/Ir 2024-001, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Berkely Pit Repository Cost Comparison, Josh Bryson
Berkely Pit Repository Cost Comparison, Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit (Bpsou) Unreclaimed (Ur) Sites Final Ur Field Sampling Plan (Fsp) Submittal #4 – Request For Change (Rfc) -Ur Fsp #4-001., Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Silver Bow Creek Conservation Area (Sbcca) 60% Technical Specifications Submittal, Josh Bryson
Silver Bow Creek Conservation Area (Sbcca) 60% Technical Specifications Submittal, Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Silver Bow Montessori, Christopher Berg, Thomas J. Beckman, Environmental Resource Management (Erm)
Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Silver Bow Montessori, Christopher Berg, Thomas J. Beckman, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit Diggings East 60% Remedial Design Package Submittal, Josh Bryson
Butte Priority Soils Operable Unit Diggings East 60% Remedial Design Package Submittal, Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – After The Bell Child Care Center, Thomas J. Beckman, Christopher Berg, Environmental Resource Management (Erm)
Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – After The Bell Child Care Center, Thomas J. Beckman, Christopher Berg, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Kinematic And Dynamic Structure Of The 18 May 2020 Squall Line Over South Korea, Wishnu Agum Swastiko, Chia-Lun Tsai, Seung Hee Kim, Gyuwon Lee
Kinematic And Dynamic Structure Of The 18 May 2020 Squall Line Over South Korea, Wishnu Agum Swastiko, Chia-Lun Tsai, Seung Hee Kim, Gyuwon Lee
Institute for ECHO Articles and Research
The diagonal squall line that passed through the Korean Peninsula on the 18 May 2020 was examined using wind data retrieved from multiple Doppler radar synthesis focusing on its kinematic and dynamic aspects. The low-level jet, along with warm and moist air in the lower level, served as the primary source of moisture supply during the initiation and formation process. The presence of a cold pool accompanying the squall line played a role in retaining moisture at the surface. As the squall line approached the Korean Peninsula, the convective bands in the northern segment (NS) and southern segment (SS) of …
Rescape: Transforming Coral-Reefscape Images For Quantitative Analysis, Zachary Ferris, Eraldo Ribeiro, Tomofumi Nagata, Robert Van Woesik
Rescape: Transforming Coral-Reefscape Images For Quantitative Analysis, Zachary Ferris, Eraldo Ribeiro, Tomofumi Nagata, Robert Van Woesik
Ocean Engineering and Marine Sciences Faculty Publications
Ever since the first image of a coral reef was captured in 1885, people worldwide have been accumulating images of coral reefscapes that document the historic conditions of reefs. However, these innumerable reefscape images suffer from perspective distortion, which reduces the apparent size of distant taxa, rendering the images unusable for quantitative analysis of reef conditions. Here we solve this century-long distortion problem by developing a novel computer-vision algorithm, ReScape, which removes the perspective distortion from reefscape images by transforming them into top-down views, making them usable for quantitative analysis of reef conditions. In doing so, we demonstrate the …
Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Small World Day Care, Environmental Resource Management (Erm)
Residential Metals Abatement Program Construction Completion Report (Non- Residential Parcels – Indoor Dust) Small World Day Care, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Comments On The Repository And Haul Route Geotechnical Pre-Design Investigation Work Plan (Dated March 29, 2024), Repository And Proposed Haul Route – Silver Bow Creek Conservation Area Quality Assurance Project Plan (Dated March 29, 2024), And Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (Dated March 22, 2024), Emma Rott
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Residential Metals Abatement Program Construction Completion Report Kennedy Elementary, Christopher Berg, Thomas J. Beckman, Environmental Resource Management (Erm)
Residential Metals Abatement Program Construction Completion Report Kennedy Elementary, Christopher Berg, Thomas J. Beckman, Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final 2024 Butte Priority Soils Operable Unit Helehan Borrow Submittal #2, Pioneer Technical Services, Inc.
Final 2024 Butte Priority Soils Operable Unit Helehan Borrow Submittal #2, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) United Congregational Church (Crayon Academy Preschool), Environmental Resource Management (Erm)
Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) United Congregational Church (Crayon Academy Preschool), Environmental Resource Management (Erm)
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.