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Articles 1891 - 1920 of 52392
Full-Text Articles in Physical Sciences and Mathematics
A Multi-Tiered Assessment Of Primary Production In Great Salt Lake, Soren Brothers, Melissa Cobo, R. Douglas Ramsey, Wayne A. Wurtsbaugh, Erin N. Rivers
A Multi-Tiered Assessment Of Primary Production In Great Salt Lake, Soren Brothers, Melissa Cobo, R. Douglas Ramsey, Wayne A. Wurtsbaugh, Erin N. Rivers
Watershed Sciences Faculty Publications
Great Salt Lake (GSL) is the largest saline lake in the western hemisphere. Despite this, relatively little is known regarding ecological functioning within the lake, including detailed assessments of rates of primary productivity and ecosystem productivity. Analyses of primary production in GSL are complicated by the high heterogeneity of the system, including a broad salinity gradient from near-fresh conditions at the river confluences in Farmington and Bear River Bays to the hyper-saline conditions of the lake’s northwest arm (Gunnison Bay). Further complicating estimates of primary productivity is the possibility of high rates of benthic primary production (by benthic algae and …
Approved 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, Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2023 Butte Priority Soils Operable Unit Helehan Borrow Submittal #1, Pioneer Technical Services, Inc.
Draft Final 2023 Butte Priority Soils Operable Unit Helehan Borrow Submittal #1, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Drivers Of Variability In Blue Carbon Stocks And Burial Rates Across European Estuarine Habitats, Inés Mazarrasa, Joao M. Neto, Tjeerd J. Bouma, Tim Grandjean, Jordi Garcia-Orellana, Pere Masqué, María Recio, Óscar Serrano, Araceli Puente, José A. Juanes
Drivers Of Variability In Blue Carbon Stocks And Burial Rates Across European Estuarine Habitats, Inés Mazarrasa, Joao M. Neto, Tjeerd J. Bouma, Tim Grandjean, Jordi Garcia-Orellana, Pere Masqué, María Recio, Óscar Serrano, Araceli Puente, José A. Juanes
Research outputs 2022 to 2026
The implementation of climate change mitigation strategies based on the conservation and restoration of Blue Carbon ecosystems requires a deep understanding of the magnitude and variability in organic carbon (Corg) storage across and within these ecosystems. This study explored the variability in soil Corg stocks and burial rates across and within intertidal estuarine habitats of the Atlantic European coast and its relation to biotic and abiotic drivers. A total of 136 soil cores were collected across saltmarshes located at different tidal zones (high marsh, N = 45; low marsh, N = 30), seagrass meadows (N = 17) and tidal flats …
A Neural-Network-Based Landscape Search Engine: Lse Wisconsin, Matthew Haffner, Matthew Dewitte, Papia F. Rozario, Gustavo A. Ovando-Montejo
A Neural-Network-Based Landscape Search Engine: Lse Wisconsin, Matthew Haffner, Matthew Dewitte, Papia F. Rozario, Gustavo A. Ovando-Montejo
Environment and Society Faculty Publications
The task of image retrieval is common in the world of data science and deep learning, but it has received less attention in the field of remote sensing. The authors seek to fill this gap in research through the presentation of a web-based landscape search engine for the US state of Wisconsin. The application allows users to select a location on the map and to find similar locations based on terrain and vegetation characteristics. It utilizes three neural network models—VGG16, ResNet-50, and NasNet—on digital elevation model data, and uses the NDVI mean and standard deviation for comparing vegetation data. The …
Managing The Rock Mass Destruction Under The Explosion, Maksym Kononenko, Oleh Khomenko, Ivan Sadovenko, Valeriy Sobolev, Yuliya Pazynich, Adam Smoliński
Managing The Rock Mass Destruction Under The Explosion, Maksym Kononenko, Oleh Khomenko, Ivan Sadovenko, Valeriy Sobolev, Yuliya Pazynich, Adam Smoliński
Journal of Sustainable Mining
Using the theory of elasticity and the main provisions of the quasi-static-wave hypothesis of the mechanism of the destruction of a solid medium under the action of an explosion, analytical modelling of the parameters of the formation of crumpling zones and crushing of the rock mass around the charging cavity during its explosive loading was carried out. Analytical models of the radii of the crumpling, intensive fragmentation and fracturing zones formed around the charging cavity in the rock mass during its explosive loading, taking into account the pressure of the explosion products, the limit of tensile-compressive strength of the rocks, …
The Devil You Know And The Devil You Don’T: Current Status And Challenges Of Bovine Tuberculosis Eradication In The United States, Daniel J. O'Brien, Tyler C. Thacker, Liliana C.M. Salvador, Anthony G. Duffiney, Suelee Robbe‑Austerman, Mark S. Camacho, Jason E. Lombard, Mitchell V. Palmer
The Devil You Know And The Devil You Don’T: Current Status And Challenges Of Bovine Tuberculosis Eradication In The United States, Daniel J. O'Brien, Tyler C. Thacker, Liliana C.M. Salvador, Anthony G. Duffiney, Suelee Robbe‑Austerman, Mark S. Camacho, Jason E. Lombard, Mitchell V. Palmer
United States Department of Agriculture Wildlife Services: Staff Publications
Having entered into its second century, the eradication program for bovine tuberculosis (bTB, caused by Mycobacterium bovis) in the United States of America occupies a position both enviable and daunting. Excepting four counties in Michigan comprising only 6109 km2 (0.06% of US land area) classified as Modified Accredited, as of April 2022 the entire country was considered Accredited Free of bTB by the US Department of Agriculture for cattle and bison. On the surface, the now well-described circumstances of endemic bTB in Michigan, where white-tailed deer (Odocoileus virginianus) serve as a free-ranging wildlife maintenance host, may appear to be …
Environmental And Socio-Economic Stress In The Mountain West, Ayda Atici, Caitlin J. Saladino, Fatma Nasoz, William E. Brown Jr.
Environmental And Socio-Economic Stress In The Mountain West, Ayda Atici, Caitlin J. Saladino, Fatma Nasoz, William E. Brown Jr.
Environment
This fact sheet examines data on environmental and socio-economic risk metrics including which metrics pose the most risk for Nevada counties.The data are retrieved from “System for the Triage of Risks from Environmental and Socio-Economic Stressors” created by the Massachusetts Institute of Technology (MIT) joint program on the science and policy of global change.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 31 – Waste Dump #5 (Dated July 25, 2023), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 66 – West Ruby Dump (Dated July 25, 2023), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 134 – Star West Dump (Dated July 25, 2023), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 174 – Buffalo Ditch (Dated July 25, 2023), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 17 – Paymaster (Dated July 25, 2023), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 48 – Old Glory West (Dated July 25, 2023), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Potential Role Of Seaweeds In Climate Change Mitigation, Finnley W.R. Ross, Philip W. Boyd, Karen Filbee-Dexter, Kenta Watanabe, Alejandra Ortega, Dorte Krause-Jensen, Catherine Lovelock, Calvyn F.A. Sondak, Lennart T. Bach, Carlos M. Duarte, Oscar Serrano, John Beardall, Patrick Tarbuck, Peter I. Macreadie
Potential Role Of Seaweeds In Climate Change Mitigation, Finnley W.R. Ross, Philip W. Boyd, Karen Filbee-Dexter, Kenta Watanabe, Alejandra Ortega, Dorte Krause-Jensen, Catherine Lovelock, Calvyn F.A. Sondak, Lennart T. Bach, Carlos M. Duarte, Oscar Serrano, John Beardall, Patrick Tarbuck, Peter I. Macreadie
Research outputs 2022 to 2026
Seaweed (macroalgae) has attracted attention globally given its potential for climate change mitigation. A topical and contentious question is: Can seaweeds' contribution to climate change mitigation be enhanced at globally meaningful scales? Here, we provide an overview of the pressing research needs surrounding the potential role of seaweed in climate change mitigation and current scientific consensus via eight key research challenges. There are four categories where seaweed has been suggested to be used for climate change mitigation: 1) protecting and restoring wild seaweed forests with potential climate change mitigation co-benefits; 2) expanding sustainable nearshore seaweed aquaculture with potential climate change …
Functional Connectivity Varies Across Scales In A Fragmented Landscape, Kate I. T. Bird, Daniel R. Uden, Craig R. Allen
Functional Connectivity Varies Across Scales In A Fragmented Landscape, Kate I. T. Bird, Daniel R. Uden, Craig R. Allen
School of Natural Resources: Faculty Publications
Species of different sizes interact with the landscape differently because ecological structure varies with scale, as do species movement capabilities and habitat requirements. As such, landscape connectivity is dependent upon the scale at which an animal interacts with its environment. Analyses of landscape connectivity must incorporate ecologically relevant scales to address scale-specific differences. Many evaluations of landscape connectivity utilize incrementally increasing buffer distances or other arbitrary spatial delineations as scales of analysis. Instead, we used a mammalian body mass discontinuity analysis to objectively identify scales in the Central Platte River Valley (CPRV) of Nebraska, U.S.A. We implemented a graph-theoretic network …
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 84 – Mandan Park Play Area, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Supporting The “Virtuous Cycle” In Urban Ecosystems: How Research Can Inform Plans, Policies, And Projects That Impact Urban Resilience, Michele Romilini, Sophie S. Parker, Gregory B. Pauly, Eric M. Wood
Supporting The “Virtuous Cycle” In Urban Ecosystems: How Research Can Inform Plans, Policies, And Projects That Impact Urban Resilience, Michele Romilini, Sophie S. Parker, Gregory B. Pauly, Eric M. Wood
Center for Urban Resilience Scholarship
No abstract provided.
Investigating The Role Of Plant Traits And Interactions In Emergent Wetland Nutrient Removal, Andrew Ryan Sample
Investigating The Role Of Plant Traits And Interactions In Emergent Wetland Nutrient Removal, Andrew Ryan Sample
Theses and Dissertations
Increasing wetland restoration in the Lower Mississippi Alluvial Valley has been identified as a method to reduce nutrient loading in the Gulf of Mexico. Wetlands have historically been used to treat water through processes facilitated by wetland plants, and relatively few species and plant traits have been identified as important in carrying out these processes. This study focuses on some of those species and traits and aims to identify species differences and plant traits that may be important for wetland nutrient mitigation. Chapter I provides background information on nutrient pollution, wetland biogeochemical mechanisms for nutrient sequestration, and the focal species …
Final Approved Request For Change Bg-2023-01 To Final Bpsou Hydrocarbon Sampling And Treatability Study Quality Assurance Project Plan (Qapp), Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2023 Residential Metals Abatement Program (Rmap) Stodden Park Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Draft Final 2023 Residential Metals Abatement Program (Rmap) Stodden Park Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Request For Change (Rfc) To The Butte Priority Soils Operable Unit (Bpsou) Request For Change (Rfc)-Brw-2023-03 To The Final Butte Reduction Works (Brw) Smelter Area Mine Waste Remediation And Contaminated Groundwater Hydraulic Control Site Phase Iii Quality Assurance Project Plan (Qapp) (Phase Iii) (Dated June 29, 2023)., Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2023 Rmap Baptist Student Union (Former Mckinley School) Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Draft Final 2023 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 2023 Residential Metals Abatement Program (Rmap) Gold Hill Lutheran Church (Containing The Creativity Factory Preschool) Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Draft Final 2023 Residential Metals Abatement Program (Rmap) Gold Hill Lutheran Church (Containing The Creativity Factory Preschool) Soil Remedial Action Work Plan (Rawp), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Optimizing Edge-Of-Field Water Quality Monitoring Methods To Determine The Effects Of Best Management Practices On Nutrient And Sediment Runoff, Mark Hill
Theses and Dissertations
This study investigates the impact on water quality of combined agricultural best management practices cover crop and minimum tillage, alongside an examination of techniques used to collect those samples. Edge-of-field (EOF) water quality samples were collected from 11 working farms during a two-year paired field experiment. Results showed significant reductions in nutrient concentrations, increased discharge, and mixed findings regarding nutrient mass transport post-treatment. A suite of EOF collection techniques were compared using in-situ automated water sampling systems sampling the same runoff events. Sampling protocols influenced nutrient concentrations in composite samples, but unexpected variance in velocity sensors affected measured discharge, making …
Crop Monitoring And Nutrient Prediction Using Satellite Imagery And Soil Data, Olatunde D. Akanbi, Brian Gonzalez Hernandez, Erika I. Barcelos, Arafath Nihar, Laura S. Bruckman, Yinghui Wu, Jeffrey Yarus, Roger H. French
Crop Monitoring And Nutrient Prediction Using Satellite Imagery And Soil Data, Olatunde D. Akanbi, Brian Gonzalez Hernandez, Erika I. Barcelos, Arafath Nihar, Laura S. Bruckman, Yinghui Wu, Jeffrey Yarus, Roger H. French
Student Scholarship
No abstract provided.
Trace Metal Analysis Of Pond Sediments To Measure Deposition From A Coal-Fired Power Plant In Ackerman Mississippi, Charles Bills
Trace Metal Analysis Of Pond Sediments To Measure Deposition From A Coal-Fired Power Plant In Ackerman Mississippi, Charles Bills
Theses and Dissertations
Trace element sediment pollution due to coal power plants have been reported in many countries. In this study, pond sediment samples collected from locations around a coal fired power plant in Ackerman, MS, were evaluated for their trace element concentration and pollution status. The samples were collected at two depths to study changes in element accumulation over time. The samples were digested and the elements, As, Cd, Cr, Cu, Pb, Hg, and Zn were analyzed using ICP-MS. Results were then compared to known background concentrations as well as sediment quality guidelines and pollution thresholds. The sample locations downwind of the …
A Four-Pronged Approach To Addressing A Wild Pig Invasion In A Bottomland And Upland Forested Landscape, Tyler Scott Evans
A Four-Pronged Approach To Addressing A Wild Pig Invasion In A Bottomland And Upland Forested Landscape, Tyler Scott Evans
Theses and Dissertations
Among exotic species that are capable of invading, establishing, and reaching pest status, few pose the range of impacts to biotic (e.g., competition with native species, predation, herbivory, introduction of other exotics) and abiotic (e.g., soil, hydrology) ecosystem components that can be attributed to the wild pig (Sus scrofa). Despite the presence of wild pigs throughout the southeastern United States for centuries, new invasions continue to occur in previously uninhabited and often under-investigated landscapes, including bottomland and upland forests. The recent invasion of the Sam D. Hamilton Noxubee National Wildlife Refuge (hereafter, NNWR) in east-central Mississippi represents an …
Application Geological Strength Index (Gsi) Quantification Method On The Characterization Of Carbonate Rock Mass, Singgih Saptono, Danu Mirza Rezky
Application Geological Strength Index (Gsi) Quantification Method On The Characterization Of Carbonate Rock Mass, Singgih Saptono, Danu Mirza Rezky
Journal of Sustainable Mining
Determining GSI as a representation of the presence of rock mass in slope analysis continues to develop. The development of the quantitative GSI method was carried out because the basic (qualitative) GSI values were deemed too subjective so the results from the use of the quantitative GSIwere expected to be more objective and accurate. The method used is to combine 3 GSI quantitative methods to find GSI based on surface conditions and joint structure. The results showed that the Quantitative GSI value was smaller than the GSI predictive value (qualitative). The GSI approach with RQD and UCS parameters is also …
Drivers And Dynamics Of Phytoplankton Communities And Harmful Algal Blooms In Mountain Lakes, Lara Stephanie Jansen
Drivers And Dynamics Of Phytoplankton Communities And Harmful Algal Blooms In Mountain Lakes, Lara Stephanie Jansen
Dissertations and Theses
Harmful cyanobacterial blooms (cyanoHABs) are a complex and widespread disturbance in freshwater water bodies, impacting water quality for wildlife and human populations. While cyanobacteria often bloom in warm lakes impacted by human development like agriculture, blooms are increasingly reported in cooler waters with limited development in the surrounding watershed. As much of cyanoHAB research has focused on lakes in highly developed watersheds, the understanding of factors leading to cyanobacteria dominance and blooms in the absence of major development remains limited. Mountain lakes can serve as ideal systems to study bloom-forming cyanobacteria in watersheds with minimal development. In addition, mountain lakes …