Environmental Studies Commons^™

Book Review: Kathleen A. Cairns' At Home In The World: California Women And The Postwar Environmental Movement, Molly Mcclain

History: Faculty Scholarship

No abstract provided.

Preventative Weed Management Strategies In Arkansas Tomato Production, Gracie E. Morrison, Matthew Bertucci

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Cost-effective weed suppression is an important consideration for tomato growers. Growers often choose methods which minimize hand labor, as hand weeding can be prohibitively expensive. This project determined economic viability of high tunnel tomatoes treated with several methods of weed control, both organic and chemical. These methods included: 2-week hand weeding, 1-week hand weeding, preemergent herbicide application (plots sprayed with herbicide prior to weed emergence), straw mulch (plots bedded with straw), landscape fabric (plots covered in fabric), and untreated weedy control plots. These six treatments were applied to randomized blocks in a high tunnel. Weeding, planting, and harvesting were all …

County Walkability And Small Business Receipts, Talia Perluss

Scripps Senior Theses

This thesis explores the correlation between county walkability and small business receipts, as well as other possible demographic variables that could explain the success of small businesses, by using a fixed-effect panel regression model. Using county-level data in the years 2012 and 2017, this paper finds that there is a significant correlation between an increase in walkability and an increase in receipts. When running the fixed-effect regressions, this paper found that there is a moderately high positive correlation between walkability and per capita income, suggesting that the effects of an increase in walkability may also capture the effects of an …

Ecocinema Theory And Practice 2, Stephen Rust, Salma Monani, Sean Cubitt

Gettysburg College Faculty Books

This second volume builds on the initial groundwork laid by Ecocinema Theory and Practice by examining the ways in which ecocritical cinema studies have matured and proliferated over the last decade, opening whole new areas of study and research.

Featuring fourteen new essays organized into three sections around the themes of cinematic materialities, discourses, and communities, the volume explores a variety of topics within ecocinema studies from examining specifc national and indigenous flm contexts to discussing ecojustice, environmental production studies, flm festivals, and political ecology. The breadth of the contributions exemplifes how ecocinema scholars worldwide have sought to overcome the …

Spokane Climate Project: Chapter 5, Fire And Smoke Impact Study For Spokane, Washington, Mike Peterson, Levi Keesecker, Wei Li, Terry Lawhead, Katherine Rowden, Joel Breems, Jerusha Hampson, Katherine Hegewisch, Gonzaga University Climate Institute

Climate, Water, and the Environment Research

Examines the rise in wildfire activity projected for Spokane and the Pacific Northwest throughout this century. Focusses on the health impacts that smoke from historical wildfires has had on Spokane’s residents and the health impacts that smoke from future wildfires is projected to have on Spokane residents.

The full version of this report as well as a full list of the citations and methodologies employed for this analysis can be found at the Spokane Climate Project website: https://www.spokaneclimateproject.org/.

Spokane Climate Project: Chapter 4, Streamflowimpact Study For Spokane, Washington, John Porcello, Kara Odegard, Karl Rains, Jule Schultz, Brad Morin, Gonzaga University Climate Institute

Climate, Water, and the Environment Research

Examines the impact that projected hydrological changes to the Spokane River will have on river recreation, Redband trout habitat, and the Spokane Valley-Rathdrum Prairie Aquifer.

The full version of this report as well as a full list of the citations and methodologies employed for this analysis can be found at the Spokane Climate Project website: https://www.spokaneclimateproject.org/.

Spokane Climate Project: Chapter 3, Snowfall Impact Study For Spokane, Washington, Brian G. Henning, Levi Keesecker, David Camp, Erik Budsberg, Gonzaga University Climate Institute

Climate, Water, and the Environment Research

Examines historical trends in snowfall for the Spokane region, future climate projections and mountain snow forecasts, and determines what these data suggests about the future of winter recreation at Spokane’s five-area ski resorts (Mt. Spokane Ski & Snowboard Park, 49 Degrees North Mountain Resort, Silver Mountain Resort, Schweitzer Mountain Resort, and Lookout Pass Ski Area).

The full version of this report as well as a full list of the citations and methodologies employed for this analysis can be found at the Spokane Climate Project website: https://www.spokaneclimateproject.org/.

Spokane Climate Project: Chapter 2, Precipitation Impact Study For Spokane, Washington, Joel Breems, Kevin Booth, Erich Seamon, Gonzaga University Climate Institute

Climate, Water, and the Environment Research

This chapter examines precipitation under projected future climate change in the Spokane area. The chapter focuses on potential climate impacts on dryland wheat farming due to the crop’s direct reliance on precipitation and economic importance to the region.

The full version of this report as well as a full list of the citations and methodologies employed for this analysis can be found at the Spokane Climate Project website: https://www.spokaneclimateproject.org/.

Modelling Of Radiological Health Risk In Water From Abstraction Well Close To A Hypothetical Radioactive Waste Repository In The Accra Plains, Paul Essel, Mark Amo-Boateng, Dominic Otoo, Thomas Tetteh Akiti

Applied Environmental Research

This study evaluated the integrity of the geosphere of the Accra Plains to host a radioactive waste disposal facility for Ghana’s radioactive waste materials. The study thus assessed the migration of radioactive contaminant from a hypothetical radioactive waste disposal facility through the geosphere to the biosphere in the Accra Plains. The Accra Plains is predominantly underlain by schist rocks, hence the hydrogeologic parameters of schist rock from literature were used as input data. AMBER software was used to develop a model to estimate the peak total annual effective dose from all the radionuclides at various receptor locations. The endpoint of …

Effects Of Substrate Types On Nitrogen Removal Efficacy And Growth Of Canna Indica L., Arunothai Jampeetong, Pakawat Janyasupab

Applied Environmental Research

Constructed wetlands (CWs), a cost effective technology for wastewater treatment, consist of substrates and wetland plants, which should be selected carefully to gain highest treatment efficiency. However, studies on plant growth and responses to different types of substrates are very few. This study aims to assess the effects of substrate types on growth and root morphology of Canna indica L. and nitrogen (N) removal. Twenty-four similar sized approximately 1 month old C. indica plants were selected and grown on different substrates (gravel, pumice and biochar). All plants were supplied with a standard growth medium to which 14 mg L-1 NH4+, …

Petrogenic And Biogenic Inputs Of N-Alkanes Along Shoreline Of The Caspian Sea In The Mazandaran Province, North Of Iran, Seyed Raheb Hosseini Bizaki, Ahmad Reza Rabbani, Alireza Riyahi Bakhtiari, Mitra Cheraghi, Parisa Babaie

Applied Environmental Research

The Caspian Sea is the largest lake in the world and is facing an increasing risk of contamination. Sea-based and land-based hydrocarbons inputs are the most critical pollutants of the Caspian Sea. In the present study, n-alkanes and related diagnostic ratios were used to identify the sources of hydrocarbon contaminants in surface sediments along the southern coastal area of the Caspian Sea in Mazandaran province. 27 surface sediment samples were collected from a depth of 5 meters under sea level. Contaminant’s compositions were extracted by Soxhlet apparatus and analyzed by Gas Chromatography-Mass Spectrometry. According to the results, the total …

Risk Assessment Of Total Mercury (T-Hg) In Commercial Seafood Marketed In Bangkok, Thailand, Irwan Ramadhan Ritonga, Sujaree Bureekul, Penjai Sompongchaiyakul

Applied Environmental Research

Seafood is recognized as the high protein source of human consumption. However, it is hampered by mercury contamination. The objectives of this study are to determine total mercury (T-Hg) levels in edible portions of commercial seafood available in Bangkok’s supermarkets, and to evaluate the potential risks from mercury through seafood consumption. Total 32 species, including 22 fish, 4 cephalopod and 6 shellfish, were purchased from super-markets. Fish samples were dissected in 3 parts comprised of flesh, gill and viscera. While, cephalopod and shellfish were separated for edible tissues. The samples were digested in hot acid and were determined using cold-vapor …

Prediction Of Groundwater Quality Index In The Selected Divisions Of Srikakulam Using Artificial Neural Networks Approach, Santhosh Kumar Nadikatla, Mushini Venkata Subbarao, M.P.S. Murali Krishna

Applied Environmental Research

Applicability of artificial neural network (ANN) modelling in predicting the water quality index (WQI) and in turn to ascertain the suitability of the water for human consumption has been presented in the paper. In the light of the present study, seventy-nine (79) groundwater samples were collected from two mandals (divisions) Veeraghattam (VGT) and Palakonda (PLKD) and analyzed for physicochemical parameters during the pre-monsoon and post-monsoon seasons of 2015 and 2016. In computing the WQI, physicochemical parameters such as  pH, EC, TDS, TH, Ca, Mg, chlorine, fluoride, nitrite, DO and TA have been considered. From the results it was found that …

Groundwater Quality Assessment Using Groundwater Quality Index And Multivariate Statistical Methods And Human Health Risk Assessment In A Coastal Region Of The Vietnamese Mekong Delta, Nguyen Thanh Giao, Phan Kim Anh, Huynh Thi Hong Nhien

Applied Environmental Research

This study aimed to evaluate the suitability of groundwater for drinking purposes and assess the associated human health risks for different age groups in a coastal province of Mekong Delta, Vietnam. Twenty groundwater samples were collected in Soc Trang Province, and various water quality parameters were analyzed. The data were employed to calculate entropy-weighted groundwater quality index (EWQI), principal component analysis (PCA), cluster analysis (CA), and non-carcinogenic and carcinogenic risks for adult and children health. The results revealed that groundwater in some locations, especially in GW19, was polluted by hardness, total dissolved solids, NH4+, Cl-, Fe, total coliform, and E. …

The Driving Force Of Urban Water Body Change In Chonburi Province, Thailand, Nararuk Boonyanam, Somskaow Bejranonda

Applied Environmental Research

The rapid urbanization from special economic zones (SEZs) in Asia poses a risk on water crisis. This paper identifies water body change trend and its driving force of change in Chonburi province; the most urbanized area in the Eastern Economic Corridor (EEC) of Thailand, in order to analyse the root cause of water shortage in the area. Land use maps from 2006 to 2019 were used to evaluate the changing trend in water bodies using land use transition matrix and land use dynamic degree. Panel data from 364 observations in the Chonburi sub-district was used to assess the driving forces …

Assessment Of Organophosphorus Pesticide Residues In Water And Sediment Collected From The Southern Caspian Sea, Reza Golshani, Ghasem Ghorbanzadeh Zafarani, Maksim Rebezov, Samaneh Karbalaei, Tony R. Walker

Applied Environmental Research

Pollution of water resources by uncontrolled pesticide use is a serious health and environmental issue. In this study, concentrations of three organophosphorus pesticides (diazinon, malathion, and azinphos-methyl) in water and sediment samples from five estuaries (Sefidrud, Chalus, Babolrud, Tajan, and Gorganrud) along the Caspian Sea were investigated. Samples were collected from surface water and sediment during summer to autumn, and pesticides were analysed by gas chromatography-mass spectrometry (GC-MS). Results indicated that salinity and turbidity in Gorganrud were higher (salinity: range 2–8%; turbidity: range 1–9%) compared to other stations. Higher diazinon (water: 0.08±0.06, sediment: 0.04±0.01), malathion (water: 0.09±0.06, sediment: 0.05±0.01) and …

Magnetization Of A Biochar Derived From Orange Peel And Its Application For The Removal Of Crystal Violet, Issam Boudraa, Sevde Ustun Odabasi, Maryam Bareera, Hassan Ayadi, Brahim Kebab, Hanife Buyukgungor

Applied Environmental Research

In this work, biochar synthesized from orange peel modified with magnetite was used as an alternative magnetic adsorbent for dye removal. The magnetization of the synthesized biochar was done using the co-precipitation method. The obtained composite was characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), and Raman spectroscopy. The efficiency of magnetized biochar (OPB/Fe3O4) was studied in the process of removing crystal violet (CV) from an aqueous solution at different temperatures. The experimental data obtained for the kinetic studies were better fitted to the pseudo-second-order model, and the isotherms data were well fitted to the Langmuir model. The results …

Disinfection By-Product Precursor Removal By Biochar Derived From Agricultural Waste, Sorawit Ritthisoonthorn, Yuvarat Ngernyen, Lippakorn Songnangrong, Warodom Rattanaboonta, Watsa Khongnakorn, Panitan Jutaporn

Applied Environmental Research

Biochar made from agricultural waste products can be used as a low-cost adsorbent targeting dissolved organic matter (DOM). In water treatment plant (WTP), DOM reacts with chlorine-based disinfectant and forms carcinogenic disinfection by-products. The objective of this study was to investigate the applicability of bamboo biochar derived from wood vinegar production waste as an adsorbent for DOM removal and subsequently trihalomethane formation potential (THM-FP) reduction. Raw biochar (BCRaw) and 800°C post-heated biochar (BC800) was tested for its surface characteristics including scanning electron microscopy, Fourier transform infrared spectroscopy and Brunauer, Emmett and Teller analysis. The post-pyrolysis treatment increased the surface area …

Identification Of Saline Water Intrusion Using Integrated Geoelectrical Method In The Coastal Aquifer Of Holo-Quaternary Formation, Lampung Bay, Rustadi -, Agus Setiawan, I Gede Boy Darmawan, Suharno -, Nandi Haerudin

Applied Environmental Research

Increased groundwater extraction from aquifers in Holo-Quaternary rock formations in Lampung Bay has caused saltwater intrusion. This indication appears in several community wells and can spread further inland. Therefore, this study aims to identify the distribution of areas exposed to saline water and the boundaries of areas that have not, especially in the Holo-Quaternary Formation. This research uses the geoelectric method integrated with salinity data and the Soil Penetration Test (SPT) analysis at four drilling points. A total of 4 lines of Electrical Resistivity Tomography (ERT) and 8 points of Vertical Electrical Sounding (VES) have been acquired with a Schlumberger …

Re-Imagining Design For Affordable Housing In Mexico, Kenza Fernandez Dominguez

Scripps Senior Theses

Since the presidency of Enrique Peña Nieto, affordable housing developments in Mexico have been produced in a massive, unsustainable scale. The speed at which these developments are produced equates to the carelessness that goes into their planning. At large, the developments’ monotonous design is aesthetically dehumanizing and fails to promote a sense of community. These developments lack basic infrastructure, and their residents have abandoned them, which has incentivized increased criminal activity.

In this paper, I will be looking at successful models of affordable housing globally, exploring the histories of communal living, and function of architectural collages. Based on my findings, …