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Articles 1 - 6 of 6
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Spatial Analysis Of Burn Severity And Streamflow Response In The Western Conus, Will Brendan Long
Spatial Analysis Of Burn Severity And Streamflow Response In The Western Conus, Will Brendan Long
Dissertations and Theses
Wildfire increases the magnitude of runoff in catchments, which can lead to the degradation of ecosystems, risk to infrastructure, and loss of life. The Labor Day Fires of 2020 provided an opportunity to compare multiple large and severe wildfires with the objective of determining potential changes to hydrologic processes in Oregon Cascades watersheds. Geographic information systems (GIS) were implemented to determine the total percentage burned and percentage of high burn severity class of six watersheds on the west-slope of the Oregon Cascade Range. In addition, two control watersheds were included to contrast the influence of climatic effects. Spatial arrangement of …
Efficiency In The Upper Deschutes Basin: Understanding The Hydrosocial Implications Of Irrigation Canal Piping, Rebecca Anderson
Efficiency In The Upper Deschutes Basin: Understanding The Hydrosocial Implications Of Irrigation Canal Piping, Rebecca Anderson
Dissertations and Theses
In response to water scarcity, irrigation efficiency projects aim to conserve water for in-stream flow and agricultural use. Piping irrigation canals is a common irrigation efficiency method which reduces the loss of incidental recharge, resulting in trade-offs within a hydrosocial system. Few studies have focused on the consequences of canal piping and none have integrated a critical analysis of the social factors involved in deciding what constitutes 'efficient' water use. This study seeks to fill this gap by combining natural and social science to give attention to the scales and perspectives involved in irrigation efficiency canal piping and the material …
"We've Created Cheap Energy Off The Backs Of Salmon": Dam Removal Politics And Alliances In The Lower Snake River Basin, Krista Harrington
"We've Created Cheap Energy Off The Backs Of Salmon": Dam Removal Politics And Alliances In The Lower Snake River Basin, Krista Harrington
Dissertations and Theses
Dams, once considered by many to be good for water development in the Western U.S., might not be a part of a climate resilient future. Dams have come under increasing scrutiny due to undesirable ecological implications. Although dam removal proposals are growingly popular in recent decades, they are controversial since they impact different stakeholders in different ways. In the Pacific Northwest, the Lower four Snake River dams have long been criticized for their negative impacts on salmon. In February 2021, US Congressman Mike Simpson (R-Idaho) proposed a comprehensive framework to deconstruct the Lower four Snake River dams as an attempt …
Factors Associated With Racial And Ethnic Disparities In Cesarean Delivery Among Women With Low-Risk Pregnancies At New York City Hospitals, 2012-2017, Ellen Brazier
Dissertations and Theses
BACKGROUND: While Cesarean delivery is a life-saving procedure when certain complications arise, it is associated with increased risks of maternal mortality and morbidity, as well as neonatal and childhood morbidities, and increased risks for women during subsequent pregnancies. Stark and persistent racial/ethnic disparities in Cesarean delivery that are not explained by clinical risks raise concerns about overuse of the procedure, as well as the contribution of potentially avoidable Cesareans to disparities in maternal mortality and morbidity. Understanding the extent to which disparities in Cesarean delivery may be attributable to differences in care during labor is critical for addressing these disparities. …
Digging For Information: Investigating The Efficacy Of Tracking And Augmenting Lacunicambarus Nebrascensis For Endangered Dragonfly Conservation, Danielle Elaine Tesar
Digging For Information: Investigating The Efficacy Of Tracking And Augmenting Lacunicambarus Nebrascensis For Endangered Dragonfly Conservation, Danielle Elaine Tesar
Dissertations and Theses
Restoration and preservation of habitat for threatened and endangered species can proceed in many ways. Augmentation strategies can be used to supplement threatened and endangered populations or the species and resources on which those imperiled species depend. Comprehensive knowledge of species movement and home range is necessary to formulate effective augmentation plans. For freshwater burrowing crayfish, this type of information is generally lacking. The studies reported here were designed to acquire detailed information that is essential for augmentation of the plains devil crayfish, Lacunicambarus nebrascensis (formerly, Cambarus diogenes). Although L. nebrascensis populations are not considered threatened, this crayfish provides vital …
Poly(Β-Gal-Thr): A New Scalable Synthetic Mucin, Manuel A. Lema
Poly(Β-Gal-Thr): A New Scalable Synthetic Mucin, Manuel A. Lema
Dissertations and Theses
A method for the preparation of glycosylated polypeptides via the nucleophilic ring-opening polymerization of a glycosylated N-carboxyanhydride (NCA) monomer is reported. The synthesis of 2,3,4,6-tetraacetyl-β-galactose-threonine N-carboxyanhydride (β-AcO-Gal-Thr-NCA) monomer in 5 steps with an 8 % overall yield is described, and the single-crystal X-ray structure is provided. The effect of a series of Ni0-based organometallic initiators, nucleophilic amine initiators, co-catalysts, and solvents on the polymerization were explored. The kinetics of the three most promising conditions were studied in greater detail. The conditions that provided the highest yield, low polydispersity (Ð), and …