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Articles 1111 - 1140 of 8068
Full-Text Articles in Entire DC Network
Balancing Fracture And Fatigue Performance In Asphalt Pavements: A Hybrid Mechanistic And Statistical Modelling Approach, Danial Mirzaiyanrajeh
Balancing Fracture And Fatigue Performance In Asphalt Pavements: A Hybrid Mechanistic And Statistical Modelling Approach, Danial Mirzaiyanrajeh
Doctoral Dissertations
The asphalt mix design and evaluation approaches are divided into two main categories as empirical and mechanistic-empirical (M-E) methods. The empirical methods are based on empirical observations of in-service pavement performance, and they do not take into account engineering properties or failure criteria. The M-E methods were introduced as a new generation for design and evaluation approaches that consider fundamental mixture properties such as material stiffness to determine the pavement's structural response. However, the need for expensive and time-consuming performance-based laboratory tests and local calibration makes the M-E methods unsuitable for routing design. In addition, during the last few years, …
Repeatfs: A File System Providing Reproducibility Through Provenance And Automation, Anthony Stephen Westbrook
Repeatfs: A File System Providing Reproducibility Through Provenance And Automation, Anthony Stephen Westbrook
Doctoral Dissertations
Reproducibility is of central importance to the scientific process. The difficulty of consistently replicating and verifying experimental results is magnified in the era of big data, in which computational analysis often involves complex multi-application pipelines operating on terabytes of data. These processes result in thousands of possible permutations of data preparation steps, software versions, and command-line arguments. Existing reproducibility frameworks are cumbersome and involve redesigning computational methods. To address these issues, we developed two conceptual models and implemented them through RepeatFS, a file system that records, replicates, and verifies computational workflows with no alteration to the original methods. RepeatFS also …
Study Of Primary Cilia In Early Development, Pharmacology, And Brainwave Activity., Matthew Roderick Strobel
Study Of Primary Cilia In Early Development, Pharmacology, And Brainwave Activity., Matthew Roderick Strobel
Doctoral Dissertations
The primary cilium is a unique cellular organelle that emanates from the mother centriole and extends out of the plasma membrane of nearly every mammalian cell. While originally believed to be a vestigial appendage, the cilium is now known to be a signaling hub where various intercellular communication pathways intersect to regulate morphogenesis, proliferation, polarity, differentiation, and homeostasis. Due to their importance in regulating cellular functions the cilium has become a growing focus of biomedical research as it has been linked to at least 35 human developmental disorders which have been termed ciliopathies. In the nervous system, primary cilia regulate …
Distribution Of Soil Enzyme Activity Across Soil Organic Matter Fractions: A Meta-Analysis, Christina Lyons
Distribution Of Soil Enzyme Activity Across Soil Organic Matter Fractions: A Meta-Analysis, Christina Lyons
Master's Theses and Capstones
Enzymes are the drivers of organic matter degradation and biogeochemical cycling. Extracellular enzyme activity is often examined on a bulk soil level though some studies explore their activity within soil fractions. Across soil size fractions, organic matter turnover differs greatly suggesting that enzymes are either unevenly distributed across fractions or their activity or efficacy is concentrated in certain fractions, likely those with the greatest quantities of organic matter. By examining the distribution of soil enzyme activity across different size fractions, we can better understand the relative role individual particles and aggregate building blocks have on enzyme activity, and also the …
"It's Not Just Sailors And Bikers Anymore": How Tattoo Artists' Experiences Of Stigma Vary By Gender, Morgan Stevens
"It's Not Just Sailors And Bikers Anymore": How Tattoo Artists' Experiences Of Stigma Vary By Gender, Morgan Stevens
Master's Theses and Capstones
Past literature has largely focused on the stigmatization of those with tattoos, but the experiences of tattoo artists themselves have largely been overlooked. It is important to focus on tattoo artists given their critical position as the subjects of stigma and their role in challenging it. Tattoo artists are privy to their own experiences with tattoo stigma, the stigma of working in a deviant occupation, and are frequent observers of the stigma others experience for similar reasons. To explore these topics and how the occupation itself is gendered, thirteen semi-structured interviews were conducted with tattoo artists in New Hampshire. From …
Pharmaceuticals And Personal Care Products In New Hampshire: Prevalence And The Influence Of Microbial Communities On Removal During Wastewater Treatment, Carmela Sarah Antonellis
Pharmaceuticals And Personal Care Products In New Hampshire: Prevalence And The Influence Of Microbial Communities On Removal During Wastewater Treatment, Carmela Sarah Antonellis
Master's Theses and Capstones
Pharmaceuticals and personal care products (PPCPs) represent a class of 10,000+ emerging contaminants that are widely used in communities for a variety of medical, health, and care applications. Many PPCPs are biologically active compounds, are typically unregulated in drinking water and surface waters, and may be incompletely removed in our municipal wastewater treatment systems. Understanding the sources and fate of PPCPs in the environment is important to protecting ecosystems because some compounds may pose toxicity or result in behavioral impacts to aquatic species. This thesis evaluated the presence and concentration of PPCPs in surface water sample locations in New Hampshire's …
The Presence Of Sea Lice On Steelhead Trout At A Marine Farm In Nh Waters And The Utilization Of Lumpfish As A Biological Delouser, Michael Brian Doherty
The Presence Of Sea Lice On Steelhead Trout At A Marine Farm In Nh Waters And The Utilization Of Lumpfish As A Biological Delouser, Michael Brian Doherty
Master's Theses and Capstones
Sea lice are copepodid ectoparasites that infect fish, and cost salmonid farmers millions of dollars each year in damaged product and mitigation efforts. Conventional treatments can unintentionally impact the ambient environment and lead to the lice developing resistance to the treatments. In recent years, lumpfish (Cyclopterus lumpus) have been utilized successfully to naturally clean sea lice from infected salmonids in European and Atlantic Canadian farms, however this technology has yet to be used in US farms. In New Hampshire coastal waters, New Hampshire Sea Grant and the University of New Hampshire operate an experimental steelhead trout (Oncorhynchus mykiss) farm, AquaFort. …
Microbiomes And Disease Suppressiveness Of Soils From Managed And Abandoned Orchards In New Hampshire, Madeleine Hassett
Microbiomes And Disease Suppressiveness Of Soils From Managed And Abandoned Orchards In New Hampshire, Madeleine Hassett
Master's Theses and Capstones
The soil microbiome is an essential component of ecosystem productivity. In agricultural systems, the soil microbiome significantly impacts plant health and the subsequent yield and productivity of those systems. Due to increasing demands on the food supply and the many challenges posed by climate change, soil fertility loss, and plant pathogens, modern agricultural systems often employ the use of chemical fertilizers and pesticides that can have detrimental effects on human health and the environment. These chemicals also significantly affect soil microbiomes, and although the extent of these effects are still unknown, changes in diversity or functionality of plant associated microbiomes …
Seasonal Feeding And Movement Responses Of Resident Sculpin In The Canadian Arctic, Nathan Thomas Hermann
Seasonal Feeding And Movement Responses Of Resident Sculpin In The Canadian Arctic, Nathan Thomas Hermann
Master's Theses and Capstones
Environments change across space and time, requiring organisms to adapt behaviorally and/or physiologically. In the Arctic, where productivity varies greatly among seasons, many marine species exploit a resource pulse associated with annual ice melt. Melting sea-ice releases zooplankton on and within the ice into open water causing many consumers to migrate with the receding ice; however, resident species may too rely on the ephemeral prey source. Fourhorn Sculpin (Myoxocephalus quadricornis) and Slimy Sculpin (Cottus cognatus) are residents of Tremblay Sound, Nunavut Canada which is known as a seasonally productive system in the Arctic. I characterized the seasonal behavior of sculpin …
Efficacy Of Snap Education And Associations Between Diet Quality And Chronic Disease Risk In Bhutanese Refugees, Dustin Moore
Efficacy Of Snap Education And Associations Between Diet Quality And Chronic Disease Risk In Bhutanese Refugees, Dustin Moore
Master's Theses and Capstones
OBJECTIVES: To quantify the longitudinal effects of a direct SNAP-Ed intervention on diet, systemic inflammation, and gut microbiota among adult Bhutanese refugees. To measure the cross-sectional associations between dietary quality, inflammation, and gut microbial producers of short chain fatty acids (SCFA).METHODS: A convenience sample of 54 Bhutanese refugee adults (mean age=47 ± 2 years, 83% female) residing in New Hampshire was block randomized into the SNAP-Ed or control group. The SNAP-Ed intervention consisted of six one-hour nutrition lessons taught by a bi-cultural community health worker in the participants’ homes. Three 24-hour recalls were used to assess dietary intake at baseline …
Quantification Of Marine Acoustic Environments, Dylan Charles Wilford
Quantification Of Marine Acoustic Environments, Dylan Charles Wilford
Master's Theses and Capstones
The soundscape is an acoustic environment made up of all sounds arriving at a receiver. A methodology for the analysis of soundscapes was developed in an attempt to facilitate efficient and accurate soundscape comparisons across time and space. The methodology included generating and combining results from a collection of traditional soundscape metrics, statistical measures, and acoustic indices that were selected to quantify several salient properties of marine soundscapes: amplitude, impulsiveness, periodicity, and uniformity. The metrics were calculated using approximately 30 hours using semi-continuous passive acoustic data gathered in seven unique acoustic environments. The calculated values for each candidate metric were …
Short & Long-Term Restoration Dynamics Of Created Freshwater And Estuarine Wetlands, James Grant Mckown
Short & Long-Term Restoration Dynamics Of Created Freshwater And Estuarine Wetlands, James Grant Mckown
Master's Theses and Capstones
The restoration of tidal and freshwater wetlands either through compensatory mitigationor voluntary efforts have become a major strategy to conserve remaining wetland resources after historic losses and in the face of current unprecedented threats. Prior efforts of wetland restoration have often fallen short of expectations due to the reliance of a compliance success framework, which requires short monitoring timeframes, misapplies successional theories, and defines success of projects into a yes or no dichotomy. Decades of advancement in restoration ecology theory and its application to wetland ecology and botany have led to the development of a functional success framework to improve …
Office Of Research, Economic Engagement And Outreach Update, September 22, 2021, Office Of Research, Economic Engagement And Outreach
Office Of Research, Economic Engagement And Outreach Update, September 22, 2021, Office Of Research, Economic Engagement And Outreach
Office of Research, Economic Engagement and Outreach
No abstract provided.
Estimating The Value Of Disease Regulation Services Under Climate Change: A Bioeconomic Model Of Coffee Leaf Rust And Shade-Grown Coffee, Khashayar Ghorbani
Estimating The Value Of Disease Regulation Services Under Climate Change: A Bioeconomic Model Of Coffee Leaf Rust And Shade-Grown Coffee, Khashayar Ghorbani
Master's Theses and Capstones
Coffee is the most valuable agricultural product in international trade. It is projected to face a decrease in production by as much as 50% by 2050, mainly due to rising temperature, changes in rainfall patterns, deforestation, and the spread of fungal pathogens and pests. Among the biological threats to coffee, the Coffee Leaf Rust (CLR) has the most destructive economic impact all around the world. The most recent widespread outbreak resulted in a 16% harvest loss in Central America and a 31% loss in Colombia during the 2012-2013 season, and a record of 50% loss was reported in Costa Rica …
Biogeochemical Stressors And Ecological Response In Great Bay Estuary, Nh/Me, Anna Lowien
Biogeochemical Stressors And Ecological Response In Great Bay Estuary, Nh/Me, Anna Lowien
Master's Theses and Capstones
Estuaries are threatened by eutrophication due to increasing anthropogenic nutrient loading from surrounding coastal watersheds. The Great Bay Estuary, NH/ME, has been designated as nitrogen impaired primarily due to a 44% loss in eelgrass coverage since 1996. Since 2014, wastewater treatment plants in the watershed have begun upgrading to reduce nitrogen loads to Great Bay. This region has also experienced changes in climate, with multiple, consecutive years of low annual precipitation totals. The loss of eelgrass, increased variability in precipitation, and continued anthropogenic land-use influence on the region have biogeochemical consequences for Great Bay. Solute budgets for a portion of …
Striped Bass Population Genetic Structure And Bait Panel Development For Mixed Stock Analysis, Kristopher Wojtusik
Striped Bass Population Genetic Structure And Bait Panel Development For Mixed Stock Analysis, Kristopher Wojtusik
Master's Theses and Capstones
The delineation of genetic stock structure and population connectivity are key components in the effective management of exploited fishes, and in preserving the biocomplexity of populations which is critical for maintaining a species resilience to environmental and anthropogenic pressures. The information gained from identifying the genetic structure among populations is important for ensuring that the spatial scale of management makes biological sense, for identifying genetically compatible individuals to be used in stocking and supplementation efforts, and for use in population assignment methods. This body of research focuses on delineating the genetic stock structure of Striped Bass (Morone saxatilis) and building …
Graphene Transistor-Based Printable Electronics For Wearable Biosensing Applications, Kaitlyn Laliberte
Graphene Transistor-Based Printable Electronics For Wearable Biosensing Applications, Kaitlyn Laliberte
Master's Theses and Capstones
Graphene field-effect transistor (GFET) is becoming an increasingly popular biosensing platform for monitoring health conditions through biomarker detection. Moreover, the graphene’s 2-dimensional geometry makes it ideal for implementing flexible or wearable electronic devices. By using a GFET platform as a biosensor, users can easily monitor numerous health conditions. A sweat-based biosensor can non-invasively monitor levels of proteins in the body and alert the user to possible issues such as a steep increase or decrease in a particular protein. By creating a platform that can be used as a wearable biosensor, it allows for rapid results and a cheaper way to …
The Role Of Stat3 In Cisplatin Resistant Ovarian Cancer, Sarah Miseirvitch
The Role Of Stat3 In Cisplatin Resistant Ovarian Cancer, Sarah Miseirvitch
Master's Theses and Capstones
According to the American Cancer Society, approximately 21,410 women will receive a diagnosis of ovarian cancer, and 13,770 women will die from ovarian cancer in 2021. Typically, ovarian cancer is not diagnosed until it has reached stage III/IV in its progression. By later stages of disease, an ovarian cancer tumor has migrated to the peritoneum, existing either in single cell or spheroid form, and resulting in inflammation and buildup of ascites fluid, and metastasis of secondary tumors. Ascites fluid is comprised of many different secreted extracellular matrix (ECM) molecules, proteases and cytokines. The cytokine IL-6 is abundant in ascites fluid …
The Effect Of Wood-Fiber Substrates On Natural Disease Suppression And The Efficacy Of Rootshield®Wp Against Rhizoctonia Solani, Isobel Michaud
The Effect Of Wood-Fiber Substrates On Natural Disease Suppression And The Efficacy Of Rootshield®Wp Against Rhizoctonia Solani, Isobel Michaud
Master's Theses and Capstones
As by-products of the forest industry, wood fibers (WFs) are affordable and sustainable raw materials that have risen in popularity in the last decade to help meet the demand for soilless substrates. Wood fibers are high in hemicellulose and cellulose content yet have lower lignin content than Sphagnum peat, coconut coir, and tree bark-based growing medium components. Researchers have demonstrated that wood is more microbially active than peat and that WFs from pine and poplar have significantly greater fungal diversity and abundance than peat and coir, which can have higher bacterial diversity than WFs. However, the effects of WF-associated microbial …
Honoring The Mother Of All People; Contemporary Indigenous Leadership In Revitalizing Environmental And Cultural Sustainability, Katharine A. Duderstadt, Alexandra G. Martin, Svetlana Peshkova, Siobhan Senier, Jennifer F. Brewer, Daniel R. Howard
Honoring The Mother Of All People; Contemporary Indigenous Leadership In Revitalizing Environmental And Cultural Sustainability, Katharine A. Duderstadt, Alexandra G. Martin, Svetlana Peshkova, Siobhan Senier, Jennifer F. Brewer, Daniel R. Howard
Faculty Publications
This series of events brings Indigenous perspectives from 22 Indigenous speakers across the U.S. and Arctic regions to discussions of sustainable futures within the New Hampshire community. There is growing movement in the academic community to understand how Indigenous knowledge and cultural heritage can deepen our thinking about sustainable futures. While most researchers recognize that anthropogenic climate change and other sustainability challenges require humanistic as well as scientific approaches, many have yet to thoroughly understand the colonial legacies that initiated many of these sustainability problems and continue to impede our study and solutions. The 2020-2021 Sidore Series was designed to …
2020-2021 Faculty Senate Xxvi - August 30, 2021 Minutes Summary, Faculty Senate
2020-2021 Faculty Senate Xxvi - August 30, 2021 Minutes Summary, Faculty Senate
Faculty Senate Agendas & Minutes
No abstract provided.
Microbial Activity Responses To Water Stress In Agricultural Soils From Simple And Complex Crop Rotations, Jorg Schnecker, D. Boone Meeden, Francisco Calderon, Michel Cavigelli, R. Michael Lehman, Lisa K. Tiemann, A. Stuart Grandy
Microbial Activity Responses To Water Stress In Agricultural Soils From Simple And Complex Crop Rotations, Jorg Schnecker, D. Boone Meeden, Francisco Calderon, Michel Cavigelli, R. Michael Lehman, Lisa K. Tiemann, A. Stuart Grandy
Faculty Publications
Increasing climatic pressures such as drought and flooding challenge agricultural systems and their management globally. How agricultural soils respond to soil water extremes will influence biogeochemical cycles of carbon and nitrogen in these systems. We investigated the response of soils from long-term agricultural field sites under varying crop rotational complexity to either drought or flooding stress. Focusing on these contrasting stressors separately, we investigated soil heterotrophic respiration during single and repeated stress cycles in soils from four different sites along a precipitation gradient (Colorado, MAP 421 mm; South Dakota, MAP 580 mm; Michigan, MAP 893 mm; Maryland, MAP 1192 mm); …
Spatial Analysis Of Beaked Whale Foraging During Two 12 Khz Multibeam Echosounder Surveys, Hilary Kates Varghese, Kim Lowell, Jennifer L. Miksis-Olds, Nancy Dimarzio, Larry A. Mayer
Spatial Analysis Of Beaked Whale Foraging During Two 12 Khz Multibeam Echosounder Surveys, Hilary Kates Varghese, Kim Lowell, Jennifer L. Miksis-Olds, Nancy Dimarzio, Larry A. Mayer
Center for Coastal and Ocean Mapping
To add to the growing information about the effect of multibeam echosounder (MBES) operation on marine mammals, a study was conducted to assess the spatial foraging effort of Cuvier’s beaked whales during two MBES surveys conducted in January of 2017 and 2019 off of San Clemente Island, California. The MBES surveys took place on the Southern California Antisubmarine Warfare Range (SOAR), which contains an array of 89 hydrophones covering an area of approximately 1800 km2 over which foraging beaked whales were detected. A spatial autocorrelation analysis of foraging effort was conducted using the Moran’s I (global) and the Getis-Ord Gi∗ …
Gutsy, Tough Changemakers, Jody Record
Ocean Sound Analysis Software For Making Ambient Noise Trends Accessible (Manta), Jennifer L. Miksis-Olds, Peter J. Dugan, S. Bruce Martin, Holger Klinck, David K. Mellinger, David A. Mann, Dimitri W. Ponirakis, Olaf Boebel
Ocean Sound Analysis Software For Making Ambient Noise Trends Accessible (Manta), Jennifer L. Miksis-Olds, Peter J. Dugan, S. Bruce Martin, Holger Klinck, David K. Mellinger, David A. Mann, Dimitri W. Ponirakis, Olaf Boebel
Center for Coastal and Ocean Mapping
Making Ambient Noise Trends Accessible (MANTA) software is a tool for the community to enable comparisons between soundscapes and identification of ambient ocean sound trends required by ocean stakeholders. MANTA enhances the value of individual datasets by assisting users in creating thorough calibration metadata and internationally recommended products comparable over time and space to ultimately assess ocean sound at any desired scale up to a global level. The software package combines of two applications: MANTA Metadata App, which allows users to specify information about their recordings, and MANTA Data Mining App, which applies that information to acoustic recordings to produce …
The Pull Of Public Health, Callie Carr
No Small Connection, Emma Joyce
Research Snapshot: Protecting Smelt, Tim Briggs
Research Snapshot: Protecting Smelt, Tim Briggs
UNH Today Archive
No abstract provided.
Automatic Identification Of Internal Wave Characteristics Affecting Bathymetric Measurement Based On Multibeam Echosounder Water Column Data Analysis, Karolina Zwolak, Łukasz Marchel, Aileen Bohan, Masanao Sumiyoshi, Jaya Roperez, Artur Grządziel, Rochelle Ann Wigley, Sattiabaruth Seeboruth
Automatic Identification Of Internal Wave Characteristics Affecting Bathymetric Measurement Based On Multibeam Echosounder Water Column Data Analysis, Karolina Zwolak, Łukasz Marchel, Aileen Bohan, Masanao Sumiyoshi, Jaya Roperez, Artur Grządziel, Rochelle Ann Wigley, Sattiabaruth Seeboruth
Center for Coastal and Ocean Mapping
The accuracy of multibeam echosounder bathymetric measurement depends on the accuracy of the data of the sound speed layers within the water column. This is necessary for the correct modeling of ray bending. It is assumed that the sound speed layers are horizontal and static, according to the sound speed profile traditionally used in the depth calculation. In fact, the boundaries between varying water masses can be curved and oscillate. It is difficult to assess the parameters of these movements based on the sparse sampling of sound velocity profiles (SVP) collected through a survey; thus, alternative or augmented methods are …
Quality Assurance Report For Year 2020 Estuarine Water Quality Datasonde Monitoring, Lara Martin
Quality Assurance Report For Year 2020 Estuarine Water Quality Datasonde Monitoring, Lara Martin
PREP Reports & Publications
No abstract provided.