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Long-Term Changes In Soil Surface Properties As Affected By Management Practices In A Wheat-Soybean, Double-Crop System, Machaela Morrison 2021 University of Arkansas, Fayetteville

Long-Term Changes In Soil Surface Properties As Affected By Management Practices In A Wheat-Soybean, Double-Crop System, Machaela Morrison

Crop, Soil and Environmental Sciences Undergraduate Honors Theses

Long-term agricultural sustainability and productivity are controlled by the integrative effects of different management practices on the soil. Many Arkansas producers use the double-crop system to grow soybeans [Glycine max (L.) Merr] and wheat (Triticum aestivum L.). Studying combinations of different, non-traditional, alternative agricultural techniques may help producers better understand the long-term implications of various management practice options on sustainability and productivity. The objective of this study was to evaluate the effects of agricultural management practices, including residue level, tillage, irrigation, and burning, and soil depth on the change in various soil properties from 2010 to 2020 in a long-term ...


Estimating Irrigation In Rice Fields With A Water Balance Approach, Kristen Trinh 2021 University of Arkansas, Fayetteville

Estimating Irrigation In Rice Fields With A Water Balance Approach, Kristen Trinh

Biological and Agricultural Engineering Undergraduate Honors Theses

Global food production must increase to meet the demand associated with increased population growth, so irrigation water use will continue to rise. Therefore, it is important to monitor water usage particularly when an irrigation flowmeter is unavailable. A field water balance was created for a selection of rice fields in East-central Arkansas under observation in 2018 and 2019. From those, irrigation inputs are deduced from the water balance alone. First, each field had sensors that collected water table level (WTL) data. Next, other water inputs and outputs such as precipitation and evapotranspiration (ET) were collected from two modeled sources. The ...


Low Impact Development: Low-Maintenance Design To Encourage Residential Adoption Of Sustainable Systems, Haley Ellis 2021 University of Arkansas, Fayetteville

Low Impact Development: Low-Maintenance Design To Encourage Residential Adoption Of Sustainable Systems, Haley Ellis

Biological and Agricultural Engineering Undergraduate Honors Theses

Residential adoption of low-impact development (LID) technology can positively impact downstream watershed hydrology by reducing total volumetric discharge from the residential site. This reduction can provide economic, environmental, and social benefits for the residents as well as the community at large. Additionally, homeowners are often affected by stormwater related issues, like flooding or washout, that could be easily mitigated with a sustainably engineered LID structure or network. Engineering for sustainability often includes the blending of several objectives to provide greater overall benefit. This thesis compares the outflow characteristics of three low-maintenance residential LID design scenarios differing in rain garden soil ...


Epa Applications To Identify Headwater Watershed Changes And Best Management Practices In The San Bernardino National Forest, Sandra Ukaru 2021 California State University, San Bernardino

Epa Applications To Identify Headwater Watershed Changes And Best Management Practices In The San Bernardino National Forest, Sandra Ukaru

Electronic Theses, Projects, and Dissertations

The human-environmental landscape influences water quality across highly variable spatiotemporal scales. One such example is the human-environmental landscape in California, which has changed dramatically over the past several decades leading to a multitude of environmental issues including the reduction and impairment of water resources. This study compares surface water quality at four headwater streams in the San Bernardino National Forests using multiple assessment tools including in situ data, the Environmental Protection Agency (EPAs) Model My Watershed Tool and multiple databases within a GIS framework. These collective efforts enabled headwater watershed landscape changes and the extent of impacts to soil erosion ...


The Power Of Information: Information, Leak Notices, And Water Conservation In Edina, Mn, Federico Chung 2021 Macalester College

The Power Of Information: Information, Leak Notices, And Water Conservation In Edina, Mn, Federico Chung

Economics Honors Projects

This paper provides evidence on the effects of information provision on households’ water use. I use quarterly household consumption data from a utility in Minnesota to test the effect of a new residential water billing system on households’ water consumption. The updated billing format was possible as the utility transitioned to an automated meter reading (AMR) system. I also study impacts of another source of improved information provision from AMR adoption, faster high-water consumption notices. I find mixed evidence of the impact of personalized information on households’ water use. Households respond to high-consumption notices by significantly reducing consumption, even relative ...


Fish Disease Outreach Messages: Testing Of Gain And Loss Frames, Erin L. Pavloski, Heather A. Triezenberg 2021 Michigan State University

Fish Disease Outreach Messages: Testing Of Gain And Loss Frames, Erin L. Pavloski, Heather A. Triezenberg

Journal of Extension

Gain and loss framing has been used as a technique in risk communication to shape individuals’ behaviors in many fields. Our community-engaged research, conducted in partnership with the Michigan Department of Natural Resources (MDNR), experimentally tested five message frames to determine efficacy for outreach programs. We found: a) to increase risk perceptions of fish disease use a loss frame in a management context, b) to decrease risk perceptions of fish disease management use a gain frame in a disease context, and c) to motivate behavioral intentions for prevention and risk reduction use a gain frame in a disease context.


Bioaccumulation And Partitioning Of Heavy Metals In Cicindelidia Haemorrhagica In Yellowstone National Park, Monica Gotschall 2021 University of Nebraska-Lincoln

Bioaccumulation And Partitioning Of Heavy Metals In Cicindelidia Haemorrhagica In Yellowstone National Park, Monica Gotschall

Dissertations & Theses in Natural Resources

The tiger beetle Cicindelidia haemorrhagica (Coleoptera: Cicindelidae) are widely distributed in Yellowstone National Park (YNP) and exclusively living on thermal areas. Heavy metals including arsenic, copper, lead, and selenium are present in these thermal springs, presenting an unique environment for C. haemorrhagica. Therefore, from 2018 – 2020 I sampled adult C. haemorrhagica from YNP and adult C. haemorrhagica from a known population in a salt flat in Idaho not associated with a hot spring and measured heavy metal concentrations. All populations of C. haemorrhagica bioaccumulated heavy metals. Cuticular waxes showed small concentrations of metals indicating that those metals are being excreted ...


Groundwater-Ephemeral Stream Interaction Before And After Storm Events, Jennifer Sabbak 2021 Susquehanna University

Groundwater-Ephemeral Stream Interaction Before And After Storm Events, Jennifer Sabbak

Senior Scholars Day

Almost 60 percent of stream miles in the continental United States only flow seasonally or after storms according to a study done by the EPA in 2013. Although these streams make up a vast majority of stream miles throughout the United States, seasonal and ephemeral stream channels are not often regularly monitored. This study will focus on analyzing the hydrology of an unnamed, underrepresented ephemeral stream within Snyder County, Pennsylvania. This stream runs through Susquehanna University’s CEER site and drains into Penn Creek. The objective of this study is to accurately represent the stream’s groundwater recharge rate by ...


Do Tropical Storms Have An Effect On Water Quality In Nacogdoches?, Emmie Schubert, Breanna Duran, Jaqui Murguia, Amy Rambo, Paige Graham 2021 Stephen F Austin State University

Do Tropical Storms Have An Effect On Water Quality In Nacogdoches?, Emmie Schubert, Breanna Duran, Jaqui Murguia, Amy Rambo, Paige Graham

Undergraduate Research Conference

The purpose of this research was to determine the effects tropical storms had on the water quality of water in Nacogdoches. This research investigated if rainwater distributed during the storms affected the levels of pH, nitrate, nitrite, phosphorous, alkalinity, turbidity, and total dissolved solids (TDS). Sampling was conducted on three water bodies before and after the storms. Measurements were taken with LaMotte kit to measure alkalinity, turbidity tube to measure turbidity, Colorimeter to test the nutrient levels, and Multi-Parameter Tester to measure TDS and pH. The results showed that Laura had a greater impact than Beta. Tropical storms are unforeseeable ...


Mitigation Of Acute Ammonia Emissions With Biochar During Swine Manure Agitation Before Pump-Out: Proof-Of-The-Concept, Baitong Chen, Jacek A. Koziel, Andrzej Białowiec, Myeongseong Lee, Hantian Ma, Samuel C. O'Brien, Peiyang Li, Zhanibek Meiirkhanuly, Robert C. Brown 2021 Iowa State University

Mitigation Of Acute Ammonia Emissions With Biochar During Swine Manure Agitation Before Pump-Out: Proof-Of-The-Concept, Baitong Chen, Jacek A. Koziel, Andrzej Białowiec, Myeongseong Lee, Hantian Ma, Samuel C. O'Brien, Peiyang Li, Zhanibek Meiirkhanuly, Robert C. Brown

Agricultural and Biosystems Engineering Publications

Ammonia (NH3) emissions from animal agriculture can cause eutrophication of water ecosystems and are precursors to secondary particulate matter (PM2.5). NH3 emissions from stored swine manure represent nutrient loss affecting the fertilizing value of manure. The short-term emission bursts occur when farmers agitate manure before emptying storage and fertilizing fields. There is no proven technology to mitigate gaseous emissions during agitation, while the hazards of acute releases (e.g., H2S) are well-known. Biochar mitigates NH3 emissions from manure over the long-term. The objective of this research was to evaluate the mitigation of acute NH3 emissions during/after agitation. Two ...


Water News, Spring 2021, Department of Agriculture and Biosystems Engineering 2021 South Dakota State University

Water News, Spring 2021, Department Of Agriculture And Biosystems Engineering

SDWRI Water News

Contents:
North Central Region tackle harmful algal blooms
Algae pull nutrients from swine facility manure, air
Study examines woodchip quality in bioreactors
Nonprofit joins battle to mitigate Lake Mitchell algal blooms


Occurrence And Potential Transformation Pathways Of Nitrogen Species In The Intermediate Vadose Zone, Jordan Shields 2021 University of Nebraska-Lincoln

Occurrence And Potential Transformation Pathways Of Nitrogen Species In The Intermediate Vadose Zone, Jordan Shields

Dissertations & Theses in Natural Resources

Nebraska is a large agricultural producing state with a heavy reliance on groundwater resources and nitrogen fertilizer application to maintain output. Poor management, such as excessive fertilizer application, improper timing, and over irrigation can lead to contamination of groundwater. Nitrate is the leading groundwater contaminant in Nebraska and chronic consumption at medium to high concentrations leads to adverse health effects. Nitrate, a highly soluble anion, is present in the root zone in numerous forms and undergoes biogeochemical transformations before being leached through the profile. In order to predict the timing and quantity of nitrate contamination in groundwater, researchers study the ...


Participant And Socio-Ecological Outcomes Of The Hofmann Open-Water Laboratory (Howl) Citizen Science Project, Meredith Hovis, Frederick Cubbage, Madhusudan Katti, Kathleen McGinley 2021 North Carolina State University

Participant And Socio-Ecological Outcomes Of The Hofmann Open-Water Laboratory (Howl) Citizen Science Project, Meredith Hovis, Frederick Cubbage, Madhusudan Katti, Kathleen Mcginley

Journal of Community Engagement and Scholarship

Citizen science, also known as participatory research, combines the efforts of professional researchers and community volunteers to collect data. We have established one such collaborative project in eastern North Carolina, near the 79,000-acre Hofmann Forest, called the Hofmann Open-Water Laboratory (HOWL) citizen science project. The White Oak River, New River, and Trent River all flow out of the Hofmann. The Hofmann is an ecological keystone in the region, acting as a natural filtration system for harmful runoff that occurs in the coastal plain of North Carolina. Our purposes for this study were twofold: (a) to evaluate the HOWL project ...


Women Water Leaders In The Making: South Asian Water Leadership Programme On Climate Change, Sreenita Mondal, Mansee Bal Bhargava, Mélanie Robertson 2021 Research Fellow, South Asia Consortium for Interdisciplinary Water Resources Studies

Women Water Leaders In The Making: South Asian Water Leadership Programme On Climate Change, Sreenita Mondal, Mansee Bal Bhargava, Mélanie Robertson

wH2O: The Journal of Gender and Water

The South Asia Consortium for Interdisciplinary Water Resources Studies (Saci- WATERs) a water policy research institute based in Hyderabad, India, launched the South Asian Water (SAWA) Leadership Programme on climate change in 2017. The SaciWATERs is hosting the programme in collaboration with four partner engineering institutes from four South Asian countries, and with funding support from the International Development Research Centre (IDRC), Canada. This academic-oriented programme is aimed at facilitating the creation of a group of interdisciplinary women leaders in South Asia that share a common understanding of the crosscutting scientific and societal issues of water resource management. The four-year ...


Understanding Barriers And Challenges For Women’S Access To Water In Northern Rwanda, Megan Swanson, Helina Alvarez, Amber Sample, Brett Bruyere 2021 Colorado State University - Fort Collins

Understanding Barriers And Challenges For Women’S Access To Water In Northern Rwanda, Megan Swanson, Helina Alvarez, Amber Sample, Brett Bruyere

wH2O: The Journal of Gender and Water

Clean drinking water and sanitation have been acknowledged as basic human needs and rights by the United Nations (UN) General Assembly. According to the UN, water must be sufficient, affordable, physically accessible, and safe in order to meet human needs. In this study, a survey and a Water Source Mapping participatory method were employed to investigate a sample of Rwandan women’s access to water. Two hundred and seven (207) women were surveyed regarding water use and access, and results were compared based on education levels and membership in income-earning cooperatives operated by a local organization, the Gorilla Guardians Village ...


Eleanor Allen: On A Mission To Provide Safe Water For Everyone, Forever, wH2O staff 2021 University of Pennsylvania

Eleanor Allen: On A Mission To Provide Safe Water For Everyone, Forever, Wh2o Staff

wH2O: The Journal of Gender and Water

Eleanor Allen is a global water expert dedicated to helping millions of people access the safe and sustainable water and sanitation services needed to save lives, stay healthy, earn more money, and thrive. Eleanor is fiercely passionate about improving the state of the world with respect to water and sanitation. She has dedicated her career to this goal, first as a Peace Corps volunteer in the Dominican Republic, then as a consulting engineer (at CH2M/Jacobs and Arcadis), and now as the CEO of Water For People. Eleanor has lived and worked all over the world. As a professional civil ...


Using Participatory Design To Develop A Menstrual Hygiene Management Intervention: Designing Wash Up! Girl Talk In Zimbabwe, Kim Foulds, Alyson Moskowitz, Abby Bucuvalas, Morris Chidavaenzi, Albert Ndanga, Silindile Sibanda, Neckiot Kagodo, Charity Mvere, Nobuhle Mlotshwa, Peter Hynes, Margaret L. Schmitt, Allie Carney 2021 Sesame Workshop

Using Participatory Design To Develop A Menstrual Hygiene Management Intervention: Designing Wash Up! Girl Talk In Zimbabwe, Kim Foulds, Alyson Moskowitz, Abby Bucuvalas, Morris Chidavaenzi, Albert Ndanga, Silindile Sibanda, Neckiot Kagodo, Charity Mvere, Nobuhle Mlotshwa, Peter Hynes, Margaret L. Schmitt, Allie Carney

wH2O: The Journal of Gender and Water

Globally, as more girls transition from primary to secondary education, there is a new generation of girls who will have to manage their menses in school environments. Few schools are designed with girls’ menstrual hygiene management (MHM) needs in mind and many girls begin menstruating without knowing what is happening to them. This lack of knowledge about menstruation is associated with profound psychological and reproductive health issues. As such, school-based WASH interventions, especially those focused on MHM, can improve educational opportunities, promote lifelong health, and enhance the wellbeing of children and their families. In Zimbabwe, these global realities hold true ...


Addressing Women’S Sanitation-Related Safety Concerns In Slums Of Maharashtra, India, Mehul Banka, Pratima Joshi, Smita Kale 2021 University of Pennsylvania

Addressing Women’S Sanitation-Related Safety Concerns In Slums Of Maharashtra, India, Mehul Banka, Pratima Joshi, Smita Kale

wH2O: The Journal of Gender and Water

Through this paper we explore women’s vulnerability during sanitation activities and the impact that household toilets have on women’s safety-related concerns. This study covers 4 cities in the state of Maharashtra– Pune, Pimpri- Chinchwad, Thane, and Kolhapur - where Shelter Associates has provided many slum households with toilets under its One Home One Toilet (OHOT) programme. A good part of the programme’s intention is to offer women an alternative to using their existing, inadequate public sanitation facilities, a problem that was highlighted during discussions with slum women themselves. Shelter Associates is a Maharashtra-based NGO established in 1993 that ...


Pushing Forward In The Changing Water Sector: An Interview With Kishia L. Powell, Coo, Dc Water, Abigail Drabick 2021 University of Pennsylvania

Pushing Forward In The Changing Water Sector: An Interview With Kishia L. Powell, Coo, Dc Water, Abigail Drabick

wH2O: The Journal of Gender and Water

Kishia Powell is a licensed Professional Engineer in the District of Columbia, Virginia and Maryland. She holds a Bachelor of Science degree in Civil Engineering from Morgan State University’s Clarence M. Mitchell, Jr. School of Engineering. Currently, Powell is Chief Operating Officer at DC Water, where she manages 80% of the water authority’s resources. With over 22 years of experience, Kishia Powell sheds light on the value of water, her experience as a leader and a woman in the water utilities industry, the COVID-19 pandemic, and climate change in this interview with The Journal of Gender and Water ...


Here, There, And Everywhere: The Problem With Microplastics In Water And What Women Scientists Are Doing To Solve It, Pamela Lazos 2021 University of Pennsylvania

Here, There, And Everywhere: The Problem With Microplastics In Water And What Women Scientists Are Doing To Solve It, Pamela Lazos

wH2O: The Journal of Gender and Water

Plastics — ubiquitous material we cannot seem to live without — are everywhere, but sadly we cannot live with plastics either, at least not peaceably, especially when you consider there will be more plastics in the ocean than fish by 2050. In the intervening years, the photodegradation of plastic resulting in microplastics pollution will be an even bigger problem, affecting every living creature in the ocean, and by extrapolation, mankind. The choices we make and the steps we take to combat the overabundance of plastics in our environment will dictate not just the next 30 years, but the fate of the world ...


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