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Evaluation Of A Filtration Sorbent For Remediation Of Arsenic In Groundwater, Clement Do 2017 California State University - San Bernardino

Evaluation Of A Filtration Sorbent For Remediation Of Arsenic In Groundwater, Clement Do

Electronic Theses, Projects, and Dissertations

A commercially available product, PURA PhosLock, was identified and evaluated for use as a sorbent to remove dissolved arsenic (As) from drinking water. Although marketed as a product to remove phosphate in aquaria, it is composed of iron oxide hydroxide (i.e., FeO(OH)), which is also known to adsorb dissolved As species from water. Arsenic was measured using standard methods and Graphite Furnace Atomic Absorption Spectroscopy. A first rough filtration test was performed to see if the PhosLock adsorbed As well. About 50 g of PhosLock was used to filter 10 L of tap water containing 100 ppb As ...


Embodied Carbon: A Framework For Prioritizing And Reducing Emissions In The Building Industry, Natalie C. Wheating 2017 The University of San Francisco

Embodied Carbon: A Framework For Prioritizing And Reducing Emissions In The Building Industry, Natalie C. Wheating

Master's Projects and Capstones

Global climate change is one of the most impactful environmental issues in modern times, and the construction industry is known to be one of the largest contributors to carbon emissions—one of the key causes of climate change. Embodied carbon emissions of buildings are an often overlooked, but significant, influencer of a building’s overall carbon footprint. This gives rise to the need for improved life cycle analysis of buildings and identification of opportunities to reduce the total carbon footprint of a building throughout its life cycle. This paper analyzes the current state of the building industry that limits the ...


Escherichia Coli As A Water Quality Indicator Organism: A Case For Responsive, Science-Based Policy, Sarah M. McLarnan 2017 College of Saint Benedict and Saint John's University

Escherichia Coli As A Water Quality Indicator Organism: A Case For Responsive, Science-Based Policy, Sarah M. Mclarnan

All College Thesis Program

Water quality indicator organisms such as E. coli are used in the monitoring of recreational waterbodies to indicate the presence of fecal contamination. In 2009, a 1.5-mile stretch of Plum Creek in Stearns County, MN was classified by the Minnesota Pollution Control Agency as impaired due to high levels of E. coli. Citizen science to investigate the source of this contamination began in 2014 and with the addition of student research from CSB/SJU in 2016. This thesis presents results of the 2016 study, supplemented by summary of Minnesota water quality policy and recent research on indicator organisms. The ...


Modelling Cash Crop Growth In Tn, Spencer Weston 2017 University of Tennessee

Modelling Cash Crop Growth In Tn, Spencer Weston

University of Tennessee Honors Thesis Projects

No abstract provided.


The Effects Of Traffic Related Air Pollution And Proposed Legal Remedies, Alessandro Magi 2017 Wilfrid Laurier University

The Effects Of Traffic Related Air Pollution And Proposed Legal Remedies, Alessandro Magi

Bridges: An Undergraduate Journal of Contemporary Connections

This paper intends to examine the environmental issues that accompany air pollution generated from traffic related incidents, and the implications that this mass-generated pollution has on air quality, as well as the quality of life of humans exposed chronically to airborne carcinogens. Traffic related air pollution is an environmental problem that is heightened by urban design and population demographics such as urban sprawl, spatial distribution, population density, and infrastructure design. Furthermore, this paper will scrutinize Canadian legislation that regulates traffic related air pollutants, and develop an argument for how to apply legislation going forward. As Cartier, Benmarinha, and Brousselle (2015 ...


Link Between Local Phenology And Climate Change, Blake Steiner, Tatyana Lobova 2017 Old Dominion University

Link Between Local Phenology And Climate Change, Blake Steiner, Tatyana Lobova

Virginias Collegiate Honors Council Conference

The SouthEast Virginia Phenology Project was initiated as collaboration between Norfolk Botanical Garden and Old Dominion University in 2010 to document phenology of seven native plants and potential effects of the climate change on their life cycle. The air temperature in Norfolk has increased on average by 0.02ºC per year since 1980. Four out of seven of taxonomically diverse plant species (Mayapple, Flowering Dogwood, Highbush Blueberry, and Common ButtonBush) exhibited significant sensitivity to warming temperatures. Of these four, only Common Buttonbush (Cephalanthus occidentalis) had shown significant phenophases shift. Specifically, first flowering and first fruiting dates had shifted 2.7 ...


Spatial And Temporal Distribution And Abundance Microplastics In Lake Champlain Long-Term Monitoring Samples, Susan-Marie Nadeau Hagar, Lindsey E. Austin 2017 SUNY Plattsburgh

Spatial And Temporal Distribution And Abundance Microplastics In Lake Champlain Long-Term Monitoring Samples, Susan-Marie Nadeau Hagar, Lindsey E. Austin

Center for Earth and Environmental Science Student Posters

Microplastics are particles less than 5mm in size, characterized as fibers, fragments, beads, foams, and pellets. Microplastics (MP) arise from four main processes: environmental degradation (UV exposure, mechanical and/or biological), direct release by means of wastewater treatment processing, unintentional loss of raw materials, and discharge of macerated wastes. Microplastics are potentially toxic to aquatic biota and the presence of microplastics in freshwater ecosystems is largely under-researched. The goal of our research was to examine the spatial and temporal distribution of microplastics and pre-production particulate (nurdles) from long-term monitoring (LTM) zooplankton samples within Lake Champlain collected between 1992-2016. Nurdles were ...


A Survey Of Microplastics In Wastewater Treatment Plant Effluent In The Lake Champlain Basin, Sadie Brown, Erin Lee, Brandon Buksa, Thomas Niekrewicz 2017 SUNY Plattsburgh

A Survey Of Microplastics In Wastewater Treatment Plant Effluent In The Lake Champlain Basin, Sadie Brown, Erin Lee, Brandon Buksa, Thomas Niekrewicz

Center for Earth and Environmental Science Student Posters

Microplastic pollution researchers are beginning to quantify, characterize, and collaborate on finding solutions to this emerging pollution problem. Recent studies have documented consumer care products and laundering of synthetic garments as major sources of microplastics. Most current wastewater treatment plant (WWTP) technologies are unable to capture and remove particulate size; thus, bioaccumulation over time poses a threat to aquatic organisms. In 2015, we began surveying WWTP post-treatment effluent samples from the city of Plattsburgh, NY (n = 31) and in 2016, added 3 other plants in the Lake Champlain watershed, specifically St Albans, VT (n = 8), Ticonderoga, NY (n = 4), and ...


Getting That Sinking Feeling: Analysis And Impacts Of Sea Level Rise On Three National Parks Along The East Coast, Usa, Julia K. Deros, Amanda L. Thibault, Amy B. True 2017 Gettysburg College

Getting That Sinking Feeling: Analysis And Impacts Of Sea Level Rise On Three National Parks Along The East Coast, Usa, Julia K. Deros, Amanda L. Thibault, Amy B. True

Student Publications

Due to global climate change, sea level rise (SLR) has become a threat for future generations, but the extent of this danger is unknown. To help understand the possible effects of SLR on the east coast of the United States, we studied three national parks: Acadia National Park (ACAD), Assateague Island National Seashore (ASIS) and Everglades National Park (EVER). We predicted that ACAD would be less affected by SLR than ASIS and EVER due to the construction of its beach profile. By measuring the beach profile, we found that Sand Beach in ACAD was reflective with an average slope of ...


Sources To Seafood: Mercury Pollution In The Marine Environment, Celia Y. Chen, Charles T. Driscoll, Kathleen F. Lambert, Robert P. Mason, Laurie R. Rardin, Catherine V. Schmitt, N. S. Serrell, Elsie M. Sunderland 2017 Dartmouth College

Sources To Seafood: Mercury Pollution In The Marine Environment, Celia Y. Chen, Charles T. Driscoll, Kathleen F. Lambert, Robert P. Mason, Laurie R. Rardin, Catherine V. Schmitt, N. S. Serrell, Elsie M. Sunderland

Catherine Schmitt

In 2010, the Toxic Metals Superfund Research Program at Dartmouth College brought together a group of 50 scientists and policy stakeholders to form C-MERC, the Coastal and Marine Mercury Ecosystem Research Collaborative. The goal was to review current knowledge—and knowledge gaps—relating to a global environmental health problem, mercury contamination of the world’s marine fish. C-MERC participants attended two workshops over a two-year period, and in 2012 C-MERC authors published a series of peer-reviewed papers in the journals Environmental Health Perspectives and Environmental Research that elucidated key processes related to the inputs, cycling, and uptake of mercury in ...


Lake Whatcom Monitoring Project 2015/2016 Report, Robin A. Matthews, Michael Hilles, Joan Vandersypen, Robert J. Mitchell, Geoffrey B. Matthews 2017 Western Washington University

Lake Whatcom Monitoring Project 2015/2016 Report, Robin A. Matthews, Michael Hilles, Joan Vandersypen, Robert J. Mitchell, Geoffrey B. Matthews

Lake Whatcom Annual Reports

This report is part of an on-going series of annual reports and special project reports that document the Lake Whatcom monitoring program. This work is conducted by the Institute for Watershed Studies and other departments at Western Washington University.

The major objective of this program is to provide long-term baseline water quality monitoring in Lake Whatcom and selected tributaries. Each section contains brief explanations about the water quality data, along with discussions of patterns observed in Lake Whatcom.


Nitrate Radicals And Biogenic Volatile Organic Compounds: Oxidation, Mechanisms And Organic Aerosol, Nga Lee Ng, Steven S. Brown, Alexander T. Archibald, Elliot Atlas, Ronald C. Cohen, John N. Crowley, Douglas A. Day, Neil M. Donahue, Juliane L. Fry, Hendrik Fuchs, Robert J. Griffin, Marcelo I. Guzman, Hartmut Hermann, Alma Hodzic, Yoshiteru Iinuma, José L. Jimenez, Astrid Kiendler-Scharr, Ben H. Lee, Deborah J. Luecken, Jingqiu Mao, Robert McLaren, Anke Mutzel, Hans D. Osthoff, Bin Ouyang, Benedicte Picquet-Varrault, Ulrich Platt, Havala O. T. Pye, Yinon Rudich, Rebecca H. Schwantes, Manabu Shiraiwa, Jochen Stutz, Joel A. Thornton, Andreas Tilgner, Brent J. Williams, Rahul A. Zaveri 2017 Georgia Institute of Technology

Nitrate Radicals And Biogenic Volatile Organic Compounds: Oxidation, Mechanisms And Organic Aerosol, Nga Lee Ng, Steven S. Brown, Alexander T. Archibald, Elliot Atlas, Ronald C. Cohen, John N. Crowley, Douglas A. Day, Neil M. Donahue, Juliane L. Fry, Hendrik Fuchs, Robert J. Griffin, Marcelo I. Guzman, Hartmut Hermann, Alma Hodzic, Yoshiteru Iinuma, José L. Jimenez, Astrid Kiendler-Scharr, Ben H. Lee, Deborah J. Luecken, Jingqiu Mao, Robert Mclaren, Anke Mutzel, Hans D. Osthoff, Bin Ouyang, Benedicte Picquet-Varrault, Ulrich Platt, Havala O. T. Pye, Yinon Rudich, Rebecca H. Schwantes, Manabu Shiraiwa, Jochen Stutz, Joel A. Thornton, Andreas Tilgner, Brent J. Williams, Rahul A. Zaveri

Chemistry Faculty Publications

Oxidation of biogenic volatile organic compounds (BVOC) by the nitrate radical (NO3) represents one of the important interactions between anthropogenic emissions related to combustion and natural emissions from the biosphere. This interaction has been recognized for more than 3 decades, during which time a large body of research has emerged from laboratory, field, and modeling studies. NO3-BVOC reactions influence air quality, climate and visibility through regional and global budgets for reactive nitrogen (particularly organic nitrates), ozone, and organic aerosol. Despite its long history of research and the significance of this topic in atmospheric chemistry, a number of ...


Tom Ford, Tom Ford 2017 Loyola Marymount University

Tom Ford, Tom Ford

Faculty Pub Night

No abstract provided.


Yale’S Environmental Performance Index: The Construction And Use Of A Composite Index For Global Sustainability, Zach Wendling 2017 FES

Yale’S Environmental Performance Index: The Construction And Use Of A Composite Index For Global Sustainability, Zach Wendling

Yale Day of Data

No abstract provided.


Closing The Water Budget In An Experimental Urban Watershed: A Comparative Assessment Of Methods For Measuring Evapotranspiration, Leana M. Weissberg, Gaboury Benoit 2017 Yale University

Closing The Water Budget In An Experimental Urban Watershed: A Comparative Assessment Of Methods For Measuring Evapotranspiration, Leana M. Weissberg, Gaboury Benoit

Yale Day of Data

No abstract provided.


U.S. Drought Monitor, January 17, 2017, Richard Tinker 2017 NOAA/NWS/NCEP/CPC

U.S. Drought Monitor, January 17, 2017, Richard Tinker

US Ag in Drought Archive

Drought map of U.S. for January 17, 2017 (1/17/17) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, January 10, 2017, David Miskus 2017 NOAA/NWS/NCEP/CPC

U.S. Drought Monitor, January 10, 2017, David Miskus

US Ag in Drought Archive

Drought map of U.S. for January 10, 2017 (1/10/17) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


The Irreversible Momentum Of Clean Energy, Barack Obama 2017 President of the United States

The Irreversible Momentum Of Clean Energy, Barack Obama

US Department of Energy Publications

The release of carbon dioxide (CO2) and other greenhouse gases (GHGs) due to human activity is increasing global av-erage surface air temperatures, disrupting weather patterns, and acidifying the ocean (1). Left unchecked, the continued growth of GHG emissions could cause global average tem-peratures to increase by another 4°C or more by 2100 and by 1.5 to 2 times as much in many midcontinent and far northern locations (1). Although our understanding of the impacts of climate change is increasingly and disturbingly clear, there is still debate about the proper course for U.S. policy—a debate that is ...


U.S. Drought Monitor, January 3, 2017, David Miskus 2017 NOAA/NWS/NCEP/CPC

U.S. Drought Monitor, January 3, 2017, David Miskus

US Ag in Drought Archive

Drought map of U.S. for January 3, 2017 (1/3/17) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


Why Do Different Drought Indices Show Distinct Future Drought Risk Outcomes In The U.S. Great Plains?, Song Feng, Miroslav Trnka, Michael Hayes, Yongjun Zheng 2017 University of Arkansas, Fayetteville

Why Do Different Drought Indices Show Distinct Future Drought Risk Outcomes In The U.S. Great Plains?, Song Feng, Miroslav Trnka, Michael Hayes, Yongjun Zheng

Drought Mitigation Center Faculty Publications

Vigorous discussions and disagreements about the future changes in drought intensity in the U.S. Great Plains have been taking place recently within the literature. These discussions have involved widely varying estimates based on drought indices and model-based projections of the future. To investigate and understand the causes for such a disparity between these previous estimates, the authors analyzed the soil moisture at the near-surface soil layer and the entire soil column, as well as the Palmer drought severity index, the Palmer Z index, and the standardized precipitation and evaporation index using the output from the Community Climate System Model ...


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