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Full-Text Articles in Environmental Studies

Assessing Future Drought Scenarios In Rangpur, Bangladesh Using Cmip6 Climate Projections And Drought Indices, Mijanur Rahman, Hossain Al Mahbub, Mst Sanjida Alam, Janifer Alam, Nusrut Sharmin, Md Naim Molla Dec 2026

Assessing Future Drought Scenarios In Rangpur, Bangladesh Using Cmip6 Climate Projections And Drought Indices, Mijanur Rahman, Hossain Al Mahbub, Mst Sanjida Alam, Janifer Alam, Nusrut Sharmin, Md Naim Molla

Student Publications [Scholarly]

Climate-induced drought has become a growing concern across South Asia as rising temperatures and monsoon variability intensify hydroclimatic stress. This study evaluates historical (1979–2014) and future (2015–2100) hydroclimatic conditions in Rangpur using observed data and CanESM5 projections for three CMIP6 scenarios (SSP1-1.9, SSP2-2.6, SSP5-8.5). Multi-scale Standardized Precipitation Index (SPI) and Standardized Precipitation Evapotranspiration Index (SPEI) were applied to detect droughts, while Tmax and Tmin Z-scores quantified heat anomalies and compound drought–temperature events. Historical records show strong rainfall variability with no significant long-term trend, but significant warming particularly in Tmin indicating increasing evaporative demand. Future projections reveal moderate precipitation increases (+ …


Mapping St. Louis History: Slavery, Redlining, And The May 16th Tornado, Safa M. Altamimi, Aster Horbanova, Riley J. Bearden, Vivian B. Rhodes, Bridget Ragan Sep 2026

Mapping St. Louis History: Slavery, Redlining, And The May 16th Tornado, Safa M. Altamimi, Aster Horbanova, Riley J. Bearden, Vivian B. Rhodes, Bridget Ragan

Undergraduate Research Symposium

For this project, our group members are traveling across St.Louis to areas that are affected by the May 16th tornado. We will be taking pictures and using ArcGIS survey123 to input data connecting the tornado to historical forces such as Redlining and Slavery. Using this data, we will be creating an ArcGIS StoryMap and presenting our findings.


Economic Costs For Three Selected Water Quality Treatment Technologies, Dawoon Jeong, Debabrata Sahoo, Heather Nix, Sarah White Sep 2026

Economic Costs For Three Selected Water Quality Treatment Technologies, Dawoon Jeong, Debabrata Sahoo, Heather Nix, Sarah White

Forestry and Natural Resources

Maintaining water quality in surface waters, including ponds and irrigation reservoirs, is essential for safe water use and is challenging. Mitigating and reducing nutrient levels is critical for managing risks of harmful algal blooms for agricultural operations, municipal drinking water suppliers, stormwater managers, and other water resource professionals. This article presents economic information about three best management practices (BMPs) treatment technologies well-suited to improving water quality for agricultural operations and small pond owners.


Methodological Variations In Environmental Justice Screening Tools And Their Impact On Disadvantaged Community Designations, Thomas Robbins, Qingran Li, Stephen Bird Sep 2026

Methodological Variations In Environmental Justice Screening Tools And Their Impact On Disadvantaged Community Designations, Thomas Robbins, Qingran Li, Stephen Bird

Faculty Publications

Government agencies in the United States have developed environmental justice screening tools (EJSTs) and designations to promote equitable distribution of benefits from environmental policies to disadvantaged communities (DACs). However, the methodological choices embedded in these tools, including the selection, weighting, and aggregation of environmental justice indicators, vary across EJSTs, and their implications for DAC designation outcomes are poorly understood. Here we systematically compare four EJSTs at the federal and state levels and show that these tools produce substantial variation in the DAC census tracts, with some tools emphasizing socioeconomic burdens while others prioritize environmental risks. Using quantitative regression models, we …


From Disaster To Resilience: Developing Smart Settlements In The Himalayas, Keshav Bhattarai, Ambika P. Adhikari Sep 2026

From Disaster To Resilience: Developing Smart Settlements In The Himalayas, Keshav Bhattarai, Ambika P. Adhikari

Himalayan Research Papers Archive

Nepal’s catastrophic 26 August 2026 Bhote Koshi–Trishuli flood should be understood not only as a humanitarian tragedy but also as a potentially major turning point in updating national settlement and reconstruction policy. Engineers and scientists have described the floods as a glacier–bedrock collapse that triggered an ice-rock avalanche and debris flow. As per the live updates on September 7, 2026, the total death toll was 1,355, and 4,996 people were missing (The Hindu, 2026). Indian and Nepali rescuers worked urgently to locate and rescue people buried under hydropower tunnels, buildings, mud, and landslide debris.

UN News reported on September 3, …


From Himalayan Catastrophe To National Resilience: Lessons From The 2026 Bhote Koshi And Trishuli River Floods In Nepal, Keshav Bhattarai, Ambika P. Adhikari Sep 2026

From Himalayan Catastrophe To National Resilience: Lessons From The 2026 Bhote Koshi And Trishuli River Floods In Nepal, Keshav Bhattarai, Ambika P. Adhikari

Himalayan Research Papers Archive

On the morning of 26 August 2026, the mountains above Nepal’s northern frontier delivered a disaster of almost unimaginable speed and scale. A massive mass of ice, rock, and sediment detached in the high Himalayan terrain near the Nepal–Tibet border, descended roughly 1,200 metres, interacted with the Lhende Khola system, and generated a debris-rich flood that surged through the Bhote Koshi and Trishuli river corridors, destroying settlements, markets, roads, bridges, hydropower facilities, and an international border crossing and transforming them into fields of mud, boulders, and wreckage within minutes (ICIMOD, 2026b; Reuters, 2026a). Satellite analysis indicates that a substantial section …


Fastest-Warming States And Cities In The Mountain West, 2025, Maisoon Faris, Kahlen Coss, Kevin Yang, Caitlin J. Saladino, William E. Brown Jr. Sep 2026

Fastest-Warming States And Cities In The Mountain West, 2025, Maisoon Faris, Kahlen Coss, Kevin Yang, Caitlin J. Saladino, William E. Brown Jr.

Environment

This fact sheet presents data published by Climate Central on the change in average annual temperatures for the five Mountain West states of Arizona, Colorado, Nevada, New Mexico, and Utah and 15 Mountain West cities from 1970 to 2025. City-level data are derived from Applied Climate Information System (ACIS) operated by National Oceanic and Atmospheric Administration (NOAA), state-level data are derived from NOAA’s National Centers for Environmental Information (NCEI).


Concepts For Supporting Indigenous And Tribal Information And Research Needs, Sharon Hausam Aug 2026

Concepts For Supporting Indigenous And Tribal Information And Research Needs, Sharon Hausam

Faculty Publications

This is a working paper produced as part of National Science Foundation project #2115169, “Transforming Rural-Urban Systems: Trajectories for Sustainability in the Intermountain West,” known as the “Intermountain West Transformation Network” (TN), led by the University of New Mexico with institutional partners at three additional universities in New Mexico, two in Arizona, and one each in Utah, Colorado, and Washington. The TN’s Indigenous and Tribal engagement was supported through a contract with Dr. Sharon Hausam, additional work by Aaron M. Canter, coordination with Dr. Lani Tsinnajinnie, and an Advisory Committee on Indigenous Information Needs primarily comprised of Indigenous representatives in …


Evolution Of Global Sea‐Level Rise Projections And Their Uncertainty, Andra J. Garner, Amy Appollina, Jessica Slotter, Gregory G. Garner, Aimée B. A. Slangen, Robert E. Kopp, Benjamin P. Horton Aug 2026

Evolution Of Global Sea‐Level Rise Projections And Their Uncertainty, Andra J. Garner, Amy Appollina, Jessica Slotter, Gregory G. Garner, Aimée B. A. Slangen, Robert E. Kopp, Benjamin P. Horton

School of Earth, Environment, and Society Faculty Publications and Presentations

For more than 40 years, scientists have projected future sea‐level change. Documenting how sea‐level projections have evolved is vital for tracking progress, uncertainties, and future research needs. Here, we update and analyze a database of global‐mean sea level (GMSL) projections dating from 1982 to 2025, identifying five key findings. First, GMSL projection generation has been concentrated in a small number of developed countries, with 95% of projections produced in the United States, United Kingdom, European Union, or Australia. Second, while GMSL projections for 2050 and 2100 have been published regularly since the early 1980s, only 30 of 103 studies have …


Statistical Model Of Subsurface Scattering Bias In Icesat‐2'S Atl06 Product, Thilini Bamunu Arachchige, Kelly E. Gleason, Jonathan C. Ryan, Markus Allgaier Aug 2026

Statistical Model Of Subsurface Scattering Bias In Icesat‐2'S Atl06 Product, Thilini Bamunu Arachchige, Kelly E. Gleason, Jonathan C. Ryan, Markus Allgaier

Environmental Science and Management Faculty Publications and Presentations

ICESat‐2 uses visible laser pulses and photon‐counting detectors to range the Earth's surface, providing precision altimetry for measuring ice sheet elevation change. However, since water ice is transparent to visible light, the photon returns recorded by ICESat‐2's ATLAS instrument may originate from subsurface scattering inside the snow or glacier ice volume, making the surface appear lower than it is. Here, we develop a Monte Carlo Radiative Transfer model to characterize the potential bias caused by subsurface scattering in snow and ice. Our model allows us to study the subsurface scattering bias in relation to photon number, scattering coefficient, and slope …


Staff Re-Entry Plan — Indian Trail, Flett, Woodridge, Travis Schulhauser Aug 2026

Staff Re-Entry Plan — Indian Trail, Flett, Woodridge, Travis Schulhauser

Spokane Wildfire Academic Consortium Repository

Following the downgrade of Level 3 Evacuation orders at Flett Middle School and Indian Trail and Woodridge elementary schools on Aug. 9, district staff worked with Fulcrum Environmental Consulting to conduct visual inspections and air-quality testing at these sites. More than 100 interior and exterior locations were tested, with indoor air quality within the Good-to-Moderate range under the EPA Air Quality Index. Inspectors also found no indication of unusual ash, soot or other settled particulates inside or outside the buildings.


Mountain Development In Nepal: Settlements, Infrastructure, And Economic Transformation, Keshav Bhattarai, Ambika P. Adhikari Aug 2026

Mountain Development In Nepal: Settlements, Infrastructure, And Economic Transformation, Keshav Bhattarai, Ambika P. Adhikari

Himalayan Research Papers Archive

As Nepal urbanizes, expands infrastructure, strengthens local governments, and explores deeper connectivity with India and China, climate change is increasing floods, landslides, heat, and water insecurity. Rapid internal migration, rising disaster risks, youth outmigration, and dependence on remittances are also revealing the limits of conventional urban development, especially in the mountainous region. The central challenge for Nepal is no longer just to accommodate growing towns and cities, but to build settlements that are safe, productive, environmentally resilient, and capable of sustaining long-term prosperity.

This paper argues that Nepal's urban future must be guided by a new development paradigm centered on …


Lessons From Tanzania’S Ujamaa For Smart Settlements In Nepal: Social Justice And Economic Development, Keshav Bhattarai, Ambika P. Adhikari Aug 2026

Lessons From Tanzania’S Ujamaa For Smart Settlements In Nepal: Social Justice And Economic Development, Keshav Bhattarai, Ambika P. Adhikari

Himalayan Research Papers Archive

Nepal’s constitutional commitment to a “socialism-oriented” state places social justice, equitable access to resources and housing, and protection of marginalized populations at the center of national development discourse. However, persistent landlessness, informal settlements, unemployment, youth outmigration, and unequal access to infrastructure reveal a significant gap between constitutional aspirations and socioeconomic realities.

This article examines lessons Nepal can draw from Tanzania’s experience with Ujamaa, the African socialist development model initiated by President Nyerere in 1967. Using comparative policy analysis, published research, official documents, and exploratory field observations from selected Tanzanian locations, including the capital and villages in the Iringa Region, the …


Creating Sustainable School And Home Gardens: Creating An Outreach Booth, Aurora Hughes Villa, Tyelar Haines, Rita Hagevik, Kathy Cabe Trundle, Michelle Parslow Aug 2026

Creating Sustainable School And Home Gardens: Creating An Outreach Booth, Aurora Hughes Villa, Tyelar Haines, Rita Hagevik, Kathy Cabe Trundle, Michelle Parslow

All Current Publications

An outreach booth is a physical presentation that allows your audience to learn more about a subject and how they can participate. It provides information on a topic (e.g., an environmental issue or a community project) through direct interaction with experts in the field. Through this approach, people become engaged, and discussions emerge that foster a sense of community around the topic. Interested in creating one for yourself? Follow the steps outlined in this fact sheet.


Indigenous Community Research Opportunities, Sharon Hausam, Aaron M. Canter Aug 2026

Indigenous Community Research Opportunities, Sharon Hausam, Aaron M. Canter

Faculty Publications

This is a working paper produced as part of National Science Foundation project #2115169, “Transforming Rural-Urban Systems: Trajectories for Sustainability in the Intermountain West,” known as the “Intermountain West Transformation Network” (TN), led by the University of New Mexico with institutional partners at three additional universities in New Mexico, two in Arizona, and one each in Utah, Colorado, and Washington. The TN’s Indigenous and Tribal engagement was supported through a contract with Dr. Sharon Hausam, additional work by Aaron M. Canter, coordination with Dr. Lani Tsinnajinnie, and an Advisory Committee on Indigenous Information Needs primarily comprised of Indigenous representatives in …


Opportunities For Leadership In Indigenous And Tribally Engaged Research At The University Of New Mexico, Sharon Hausam Aug 2026

Opportunities For Leadership In Indigenous And Tribally Engaged Research At The University Of New Mexico, Sharon Hausam

Faculty Publications

This is a working paper produced as part of National Science Foundation project #2115169, “Transforming Rural-Urban Systems: Trajectories for Sustainability in the Intermountain West,” known as the “Intermountain West Transformation Network” (TN), led by the University of New Mexico with institutional partners at three additional universities in New Mexico, two in Arizona, and one each in Utah, Colorado, and Washington. The TN’s Indigenous and Tribal engagement was supported through a contract with Dr. Sharon Hausam, additional work by Aaron M. Canter, coordination with Dr. Lani Tsinnajinnie, and an Advisory Committee on Indigenous Information Needs primarily comprised of Indigenous representatives in …


Sources Of Energy Production In Mountain West States, 2026, Kahlen Coss, Yash Kalla, Kian Parikh, Caitlin J. Saladino, William E. Brown Jr. Jul 2026

Sources Of Energy Production In Mountain West States, 2026, Kahlen Coss, Yash Kalla, Kian Parikh, Caitlin J. Saladino, William E. Brown Jr.

Environment

This fact sheet presents data on electricity generation and energy sources in March 2026 for five Mountain West states: Arizona, Colorado, Nevada, New Mexico, and Utah. Each state's share of total U.S. electricity production and its generation by source (coal, hydroelectricity, natural gas, nuclear, solar, and wind) are included. The Choose Energy report, "Electricity Generation by State," includes data on all 50 states and the District of Columbia.


Scheduled Coal Plant Retirements In The Mountain West, 2022-2031, Kerima Awol, Sophia Booth, Ty Tan, Caitlin J. Saladino, William E. Brown Jr. Jul 2026

Scheduled Coal Plant Retirements In The Mountain West, 2022-2031, Kerima Awol, Sophia Booth, Ty Tan, Caitlin J. Saladino, William E. Brown Jr.

Environment

This fact sheet presents data on publicly announced coal-fired power plant retirements in five Mountain West states: Arizona, Colorado, Nevada, New Mexico, and Utah, between 2022 and 2031. The Visual Capitalist’s 2021 report, “Road to Decarbonization: U.S. Coal Plant Closures,” includes information on the location, retirement year, and electricity generation capacity of coal-fired power plants scheduled for retirement across the United States.


A Quantitative Content Analysis Of Media Framing Of Illegal Mining In Ghana, Ebenezer Ato Kwamena Aidoo, Patrick Ansah, Fredrick Daoyenikye, Maame Aba Afful Jul 2026

A Quantitative Content Analysis Of Media Framing Of Illegal Mining In Ghana, Ebenezer Ato Kwamena Aidoo, Patrick Ansah, Fredrick Daoyenikye, Maame Aba Afful

Faculty Scholarship

Illegal mining in Ghana has attracted considerable public and policy attention due to its far-reaching environmental, social, and health consequences. Our study examines how Ghanaian news media frame illegal mining, the tone of media coverage, and the stakeholders represented in news narratives. Using a quantitative content analysis, 800 news articles were sampled from six widely read media outlets, Daily Graphic, Ghanaian Times, TV3 Ghana, GTV, Joy FM, and Citi Newsroom. A multivariate analysis of variance (MANOVA) was employed to examine differences in framing, tone, and stakeholder representation across outlets. Findings indicate that news organizations emphasize distinct frames, resulting in varied …


Upper Mora River Corridor Plan. Path To Social And Economic Recovery. A Working Paper, José A. Rivera Ph.D Jul 2026

Upper Mora River Corridor Plan. Path To Social And Economic Recovery. A Working Paper, José A. Rivera Ph.D

Faculty Publications

The Working Paper outlines a plan for the Upper Mora River Corridor as a path to the social and economic recovery of the watershed and its communities in the Mora Valley of New Mexico in the aftermath of the year 2022 wildfires. The first section of the plan includes an historical overview of the traditional gristmills of northern New Mexico and places where a few of them are preserved and still standing. The next section goes into detail as to the early commercial mills situated along the upper Mora River Corridor with a focus on the four remaining mills: the …


Wrack Lines Spring-Summer 2026 Volume Number 1, Margaret Cozens, Johann Heupel, Owen Placido, Paul Salopek, Judy Benson Jun 2026

Wrack Lines Spring-Summer 2026 Volume Number 1, Margaret Cozens, Johann Heupel, Owen Placido, Paul Salopek, Judy Benson

Wrack Lines

“Building community around the places we love,” is the theme of the Spring-Summer 2026 issue of Wrack Lines magazine. Learn about the work of the Six Lakes Park coalition in Hamden, Riverfront Recapture in Hartford, MyCoast in southeastern Connecticut and the statewide land conservation conference. Additional stories tell about the artistry and mission of photographer-videographer Tomas Koeck, and National Geographic explorer Paul Salopek, who is traveling the world on foot.


Intergenerational Climate Stories Of South Carolina, Christine Sorrell Dinkins, Laura Barbas Rhoden, Samuel Stuckey, Hayden Jones May 2026

Intergenerational Climate Stories Of South Carolina, Christine Sorrell Dinkins, Laura Barbas Rhoden, Samuel Stuckey, Hayden Jones

Community Based Research

Intergenerational Climate Stories

In this volume, you will hear from South Carolina residents age 45+ who generously agreed to speak with student researchers at Wofford College. In these intergenerational conversations, participants shared how they have experienced and perceived climate change over the course of their lives. Some stories have been anonymized through the use of pseudonyms, while others include participants’ names with permission. In some cases, researcher comments and questions are included for context. The stories have been lightly edited for clarity and concision while preserving the participants’ voices.

All conversations were facilitated in Summer 2023 by Wofford students Hayden …


Environmental Mercury Alters Immune Pathways Linked To Autoimmune Risk In Mice Mirroring Humans, Maurgan Lee, Paul Stemmer, Randall Gill, Allen Rosenspire, Anil Aranha, Heather Gibson May 2026

Environmental Mercury Alters Immune Pathways Linked To Autoimmune Risk In Mice Mirroring Humans, Maurgan Lee, Paul Stemmer, Randall Gill, Allen Rosenspire, Anil Aranha, Heather Gibson

Medical Student Research Symposium

Background and Purpose: Mercury is a pervasive environmental contaminant, and human epidemiologic studies have linked chronic low-level exposure to increased autoimmune disease-risk. Dysregulated lymphocyte activation and impaired signaling tolerance are central mechanisms in human autoimmunity. Protein phosphorylation governs lymphocyte differentiation and function, alterations in phosphoproteomic networks may represent a signature of immune disruption. This study evaluates how low dose mercury exposure modifies B and T cell abundance and intracellular signaling patterns in BALB/c and Diversity Outbred (DO) mice.

Methods: BALB/c and DO mice were exposed to low dose HgCl2 in their water for two weeks or provided standard water controls. …


Basics Of Forest Certification: A Primer For Forest Owners, Miah Maye Pormon, Joan U. Ureta, Marzieh Motallebi, Barry Graden May 2026

Basics Of Forest Certification: A Primer For Forest Owners, Miah Maye Pormon, Joan U. Ureta, Marzieh Motallebi, Barry Graden

Forestry and Natural Resources

Forest certification promotes sustainable forest management, enhances market access for forest products, and improves ecosystem services. This article addresses forest owners’ hesitations in certifying their forest lands by providing information on the importance and requirements of the three biggest certification systems in the Southern U.S. This study can serve as a resource to raise awareness towards forest certification systems and encourage greater participation among forest landowners.


Updating Educational Materials For Dale's Ridge Trail, Hannah Klanderman, Ella Slayton, Hallie Mcclure, Kayleigh Long May 2026

Updating Educational Materials For Dale's Ridge Trail, Hannah Klanderman, Ella Slayton, Hallie Mcclure, Kayleigh Long

Final Reports in ENST 411: Environmental Community Projects

We partnered with the Merrill W. Linn Land and Waterways Conservancy to produce an updated trail brochure for the Dale's Ridge Trail. Working alongside Conservation Coordinator, Rob Roberston, and volunteer graphic designer, Jessica Brothers, we were able to create a final draft of a brochure, currently in the final stages of reviewing before being sent off for printing. This brochure is a condensed version of the previous trail brochure, with more emphasis on visuals than text. Our group has also worked to set up the Conservancy to be able to produce a children's brochure, having led a group of students …


Climate Anxiety Shapes Career And Parenthood Decisions In College Students, Minha Hossain, Patrycja Sleboda-Sobolev May 2026

Climate Anxiety Shapes Career And Parenthood Decisions In College Students, Minha Hossain, Patrycja Sleboda-Sobolev

Publications and Research

This study examined how climate anxiety influences future-oriented decision-making among college students, with particular attention to four decision-making domains: career planning, parenthood decisions, sustainability behaviors, and geographic mobility. Although climate anxiety has become increasingly common among young adults, less research has explored how it shapes long-term life decisions within diverse U.S. college populations or how psychological and contextual factors influence these relationships. A sample of 257 undergraduate students from Baruch College completed a Qualtrics survey measuring climate anxiety, climate-related emotions, hope, self-efficacy, migration background, and future-oriented decision-making domains. Results indicated that climate anxiety significantly predicted career and parenthood decision-making, but …


Automation, Migration, And Development: Geography Of Job Precarity In South Asia And North Africa, Keshav Bhattarai, Ambika P. Adhikari May 2026

Automation, Migration, And Development: Geography Of Job Precarity In South Asia And North Africa, Keshav Bhattarai, Ambika P. Adhikari

Himalayan Research Papers Archive

This article examines how accelerating automation and the adoption of artificial intelligence (AI) in advanced economies reshape labor markets across the Global South through interconnected channels of production, migration, and remittances. Drawing on the theories and practices of economic geography, labor economics, and development studies, the analysis conceptualizes automation as a transnational shock that contracts demand for migrant labor while simultaneously amplifying employment precarity in labor-surplus economies. The article advances a geographically grounded framework linking technology adoption in core industries with labor displacement, youth unemployment, and urban labor saturation in South Asia and North Africa. It further highlights the macroeconomic …


Trawling For Clues: Examining Nefmc Herring Amendment 8, Christopher Santoro May 2026

Trawling For Clues: Examining Nefmc Herring Amendment 8, Christopher Santoro

Honors Scholar Theses

In 2007, almost twenty years ago, the Magnuson-Stevens Act changed the landscape of fisheries management in the US. Through the establishment of Fisheries Management Councils (FMCs), it paved the way for top-down management approaches that helped the government combat nationwide declines or collapses in fish stocks. Among the myriad responsibilities of the FMCs was the expectation that amendments to existing fisheries management plans would be a necessity to adapt to modern circumstances. This thesis focuses on New England Fisheries Management Council's (NEFMC's) Herring Amendment 8 (A8). This amendment, passed in 2021, attempts to lay the groundwork for sustainable management of …


Internalizing Diasporic Peoples: How Do We Keep Native Hawaiians Connected?, Kallie P. Kaaihue-Paopao May 2026

Internalizing Diasporic Peoples: How Do We Keep Native Hawaiians Connected?, Kallie P. Kaaihue-Paopao

Whittier Scholars Program

In the attempt to better understand the grounds for the generation culture disconnect of identity in Native Hawaiians, I study the diaspora of my people. Diaspora is the dispersion of people from their native lands. I find interest in this aspect of my people because the most common studies blame our dispersion on socioeconomic status and as a Native Hawaiian that wishes to do more for her people, I want to express that while it plays a part that there is a disconnection between the social actions and reactions of Hawaiʻi’s people. Common questions that I find unanswered are, why …


Assessment Of Super Absorbent Polymer In Soybean Cultivation Under Variable Irrigation Conditions In Nebraska, Ankit Chandra, Abia Katimbo, Ronaldo Marchezan, Martha Nabaggala May 2026

Assessment Of Super Absorbent Polymer In Soybean Cultivation Under Variable Irrigation Conditions In Nebraska, Ankit Chandra, Abia Katimbo, Ronaldo Marchezan, Martha Nabaggala

Department of Agricultural and Biological Systems Engineering: Presentations and White Papers

Water limitation is a primary constraint to soybean productivity in both irrigated and rainfed systems. Soil-applied superabsorbent polymers (SAPs) have been proposed as a strategy to buffer crops against episodic drought stress; however, their physiological and agronomic performance under varying irrigation regimes remains insufficiently quantified. Here, we evaluate three biodegradable polymer formulations: broader granules (BB), original granules (OG), and powder (PWR) applied at low (17.7 lb/ac) and high (120 lb/ac) rates under full (100% ET), reduced (50% ET), and no irrigation conditions in western Nebraska. Polymer application had negligible effects under full irrigation, with yields comparable to untreated controls. Under …