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Articles 1 - 30 of 5596
Full-Text Articles in Entire DC Network
Impacts Of Stream Habitat Restoration On Macroinvertebrate Assemblages: A Systematic Literature Review, Morgan E. Seitzer
Impacts Of Stream Habitat Restoration On Macroinvertebrate Assemblages: A Systematic Literature Review, Morgan E. Seitzer
University Honors Theses
Globally, river restoration has become a popular tool for improving the health of a watershed and restoring ecosystem services, but still has significant knowledge gaps. In certain areas and scientific communities, special attention has been given to the response of macroinvertebrates as a measure of restoration success. This systematic literature review aims to highlight and discuss the patterns in studies that have comparable before-and-after restoration data on macroinvertebrates after reconnecting stream channels to their floodplains. Macroinvertebrate sampling is a simple if not time-consuming task that can reveal important data about habitat quality. Because they serve as an important food source …
Establishment Of A Research Site At The Kennedy Mountain Campus For The Observation Of Airborne Particulate Matter, Alyssa Knaus
Establishment Of A Research Site At The Kennedy Mountain Campus For The Observation Of Airborne Particulate Matter, Alyssa Knaus
Undergraduate Theses, Capstones, and Recitals
This thesis explored particulate matter (PM) concentrations at two sites within the Colorado Front Range. The study utilized two models of PurpleAir PM sensors, Flex and SD-II, to provide real-time, accessible data on PM1, PM2.5, and PM10 mass concentrations with the goal of establishing the first research site at the Kennedy Mountain Campus (KMC). The first of the two sites used during this study was at a suburban location outside of Denver, CO. This period was used as an instrument intercomparison period in order to conduct instrument analysis. The initial findings from this period found significant correlations between PM concentration …
Heavy Metals Implications To Sediment Microbiome And Coral Response To Arsenic Dosing, Dimitrios G. Giarikos, Amy Hirons, Jose V. Lopez, Abigail Renegar, Jason Gershman
Heavy Metals Implications To Sediment Microbiome And Coral Response To Arsenic Dosing, Dimitrios G. Giarikos, Amy Hirons, Jose V. Lopez, Abigail Renegar, Jason Gershman
SECLER Data
No abstract provided.
Assessing The Efficacy Of Hydraulic Pumping As A Remediation Method Of A Subsurface Light Non-Aqueous Phase Liquid Spill In Arroyo Grande, California, James M. Raney
Master of Science in Environmental Sciences and Management Projects
The efficacy of hydraulic pumping as a remediation method of a petroleum, or Light Non-Aqueous Phase Liquid (LNAPL) spill in Arroyo Grande, California will be assessed by determining aquifer properties, assessing the chemical properties of the contaminant, recovering the contaminant from the subsurface, and proposing alternative remediation techniques. Soil, groundwater and contaminant characteristics, cumulative volume of LNAPL skimming test data, pumping rates, and LNAPL thicknesses in wells installed within the contaminant plume were collected. Sediments around the LNAPL source are contaminated with hydrocarbons in the gas and diesel range. Pumping efficacy is expected to continue to decrease at the site, …
Remediating History: A Review Of Restoration For Creeks Polluted From Historical Mining Sites, With The Red Boy Mine As A Primary Case Study, Kara Atiyeh
University Honors Theses
I conducted a literature review to examine the key aspects of restoring watersheds affected by pollution from historical mining. This review is then applied to a case study discussion of the Red Boy Mine and Clear Creek remediation project in Granite, Oregon. The goal of this discussion is to explore how an analysis of site conditions along with current literature on management practices can help guide these projects. Thousands of abandoned hard rock mines remain throughout the country, and many pose serious environmental health effects. Heavy metals like cadmium, nickel, and copper are brought to the surface from mining activity, …
Evaluating The Impact Of Wildfires On Mixed Conifer Forest Regeneration And The Effectiveness Of Usfs Management Strategies On Restoring Ecosystem Services, Wyatt Farino
Master's Projects and Capstones
Wildfires are increasing in frequency, duration, and severity across Western North America. 20,438,720 acres (20.1%) of California has burned at least once since 2010. Projections suggest a statewide increase in burned area between 36% and 74% by 2085, with some forested areas in Northern California exceeding 100% in all modeled scenarios. Fire regimes have deviated far from their historical norm, significantly increasing the risk of type conversion from forest to other ecosystems. Californians rely on the myriad of ecosystem services produced by these forests to meet their basic needs. Access to these fundamental services will be severely reduced if appropriate …
Implications Of Microplastic Pollution For The Conservation Of Marine Protected Areas, Estefany D. Carvajal, Amanda Di Perna, Alain Duran
Implications Of Microplastic Pollution For The Conservation Of Marine Protected Areas, Estefany D. Carvajal, Amanda Di Perna, Alain Duran
FIU Undergraduate Research Journal
Marine Protected Areas (MPAs) function as a tool for the protection and conservation of marine ecosystems. These designated areas should be free of any environmentally harmful pollutants. Microplastics (MPs) are plastic fragments measuring less than 5 mm (about 0.2 in). These fragments are an emerging threat to our oceans, and we are investigating the effectiveness of MPAs against these pollutants. We analyzed data gathered from research conducted on microplastic concentrations in MPAs and non-MPAs around the world. 53 MPAs and 53 non-MPAs around the world were used and the microplastic concentrations were deemed low, medium, or high by using the …
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.
Predicting The Effects Of Precipitation On Groundwater Contamination Near Capped And Uncapped Coal Ash Storage Facilities In Louisville, Kentucky., Daryl Jialiang Chen
Predicting The Effects Of Precipitation On Groundwater Contamination Near Capped And Uncapped Coal Ash Storage Facilities In Louisville, Kentucky., Daryl Jialiang Chen
Electronic Theses and Dissertations
This study examines the impact of rainfall event characteristics and water table elevations on arsenic and boron contamination in groundwater near two coal ash ponds in Louisville, Kentucky. Utilizing data from 2011 to 2019, the research focuses on both capped and uncapped ponds at Mill Creek and Cane Run sites, employing Threshold Analysis, Regularized Discriminant Analysis (RDA) and Random Forest (RF) to assess contamination levels in groundwater. Analysis shows that capped ponds generally exhibit reduced arsenic levels, though variations exist depending on the contaminant and site. Key predictors such as maximum precipitation and river height were identified, highlighting their significant …
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.
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 …
Do Heat Waves Drive Natural Selection In Damselflies?, Adam Baranyk
Do Heat Waves Drive Natural Selection In Damselflies?, Adam Baranyk
Biological Sciences Undergraduate Honors Theses
Climate change has led to changes in both mean temperatures and temperature extremes over the recent years. These changes have had differential effects on animals throughout the world. Ectotherms depend on their external environment for thermal regulation, making them especially susceptible to temperature extremes. It is not yet clear whether there is a relationship between physical traits in ectotherms, and survivorship throughout a heat wave. That is, whether or not temperature extremes driven survival selection. In this study, a heat wave was simulated artificially using thermally regulated mesocosms at different temperatures (18°C, 22° C, 26° C, 30° C) with a …
The Impacts Of Wind On Coastal Trees, Julian Halil
The Impacts Of Wind On Coastal Trees, Julian Halil
All Theses
Trees in hurricane-prone areas are exposed to severe winds and flooding. We studied the physiological and structural responses of forested wetland trees in relation to wind stress. We evaluated the windfirmness of two forested wetland tree species. Baldcypress was chosen because of high survival in post-hurricane studies. In contrast, laurel oak co-occurs with baldcypress yet resists hurricane-force winds poorly. In a static winching study, we quantified the critical turning moment (Mcrit) required to topple both species. Mcrit increased with trunk diameter at breast height (DBH) and crown size. Baldcypress and laurel oak demonstrated similar Mcrit, but regression models indicate baldcypress …
Resource Scarcity Caused By Environmental Changes: Driving Factor In Terrorism Attacks In Afghanistan, Pakistan, Syria, Amaris Bustamante
Resource Scarcity Caused By Environmental Changes: Driving Factor In Terrorism Attacks In Afghanistan, Pakistan, Syria, Amaris Bustamante
Open Access Theses & Dissertations
Climate change, resource scarcity, and terrorist attacks are ever-growing crises that disproportionately impact different states. They are crises that can impact the stability and resilience of humanity in the following decades if they are not addressed and mitigated. This study addresses the impact of resource scarcity caused by climate change that can then serve as a driving force in terrorist attacks in climate-sensitive and conflict-prone states. The objective of this mixed-methods study is to identify the correlation between climate changes that lead to resource scarcity such as rainfall and surface temperatures with terrorist attacks when taking into consideration other demographic, …
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.
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.