Index Catalog // ScholarsArchive@OSU

Winter dispersal and activity patterns of post-breeding black-legged kittiwakes Rissa tridactyla from Prince William Sound, Alaska

Creator:: McKnight, Aly, Irons, David B., Allyn, Andrew J., Sullivan, Kelsey M., and Suryan, Robert M.
Abstract:: As colony-specific wintering ecology of small and medium-sized seabirds is poorly understood, it has been generally assumed that winter conditions have the same effect on all individuals from any given colony. However, advances in global positioning technology now allow researchers to investigate movements of smaller seabirds. We tracked black-legged kittiwakes...
Resource Type:: Article
Full Text:: , Alaska Aly McKnight1,*, David B. Irons1, Andrew J. Allyn2, Kelsey M. Sullivan3, Robert M. Suryan4 1US

Evaluating Adaptation Scenarios for Fishing Communities Facing Climate-Driven Species Changes

Creator:: Franklin, Brad, Kennedy, Brian, Sun, Chin-Hwa J., Mills, Katheirne, and Allyn, Andrew
Abstract:: Climate projections indicate that ocean temperatures will continue increasing, potentially shifting the distribution of marine fish species and affecting the economics of the fishing industry and fishing communities. In this study, an integrated ecological-economic framework is used to evaluate the economic impacts of climate-driven species changes and assesses the value...
Resource Type:: Presentation
Full Text:: Sun, Katherine Mills, Andrew Allyn IIFET July 18, 2018 Species Distribution Models

Aspects of the parasite fauna and related diseases in juvenile fishes in Upper Klamath Lake, OR

Creator:: Janik, Andrew J.
Abstract:: Shortnose Sucker (Chasimistes brevirostris) and Lost River Sucker (Deltistes luxatus) are endemic to the Upper Klamath Basin of Southern Oregon and Northern California. Populations of these fishes have been dwindling since the 1960’s and both species where listed to as endangered in 1988. Poor recruitment is thought to be a...
Resource Type:: Masters Thesis
Full Text:: THE THESIS OF Andrew Josef Janik for the degree of Master of Science in Comparative Health

Finite element modeling of gusset plate failure using OpenSees

Creator:: Walker, Andrew J.
Abstract:: The collapse of the I-35W Bridge in Minneapolis, MN in 2007 prompted an investigation into the design and inspection of the steel truss bridges. Further investigation into the collapse revealed that a gusset plate experienced sway buckling, causing the bridge failure. This bridge failure motivated research into the analysis and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Andrew J. Walker for

Molybdenum-99 production in the Oregon State TRIGA reactor : analysis of the reactor design using a new LEU target as fuel

Creator:: Hummel, Andrew J.
Abstract:: The most widely used and versatile medical radioisotope today is technetium-99m. Roughly 30 million people depend on this radioisotope for diagnostic procedures each year, and this demand is expected to grow. Although there are numerous ways of procuring this isotope, the most common and most practical, for reasons to be...
Resource Type:: Dissertation
Full Text:: -2010 Format AN ABSTRACT OF THE DISSERTATION OF Andrew J. Hummel for the

Accelerating the convergence of the k-eigenvalue problem using a coarse mesh finite differencing scheme in cylindrical geometry

Creator:: Hummel, Andrew J.
Abstract:: Reactor modeling is largely limited by the computational time required to perform accurate full core calculations. There are many different methods and techniques employed in different reactor simulation codes, but properly modeling all of the physics that takes place in the system requires extensive computational effort. The Coarse Mesh Finite...
Resource Type:: Masters Thesis
Full Text:: Andrew J. Hummel for the degree of Master of Science in Nuclear Engineering presented on December 17

Crustal‐scale pure shear foreland deformation of western Argentina

Creator:: Meigs, Andrew J. and Nábělek, John
Abstract:: New analyses of teleseismic body waves from moderate earthquakes in western Argentina demonstrate that active shortening of the Andean foreland occurs on reverse faults extending to 40–50 km depth. Existing crustal‐scale models of foreland deformation invoke thin‐skinned fault geometries, which root into an east‐dipping mid‐crustal décollement. Whereas thin‐skinned thrust sheets...
Resource Type:: Article
Full Text:: shear foreland deformation of western Argentina Andrew J. Meigs1 and John Nabelek2 Received 15 March

Distributed inference-based multi-robot exploration

Creator:: Smith, Andrew J. and Hollinger, Geoffrey A.
Abstract:: This work proposes a technique for distributed multi-robot exploration that leverages novel methods of map inference. The inference technique uses observed map structure to infer unobserved map features. The team then coordinates to explore both the inferred and observed portions of the map. Individual robots select exploration poses by accounting...
Resource Type:: Article
Full Text:: ) Distributed Inference-Based Multi-Robot Exploration Andrew J. Smith · Geoffrey A. Hollinger Received: date

Analysis of Multiple TRIGA-Based Molybdenum Production Reactor Cores Using a New Low-Enriched Uranium Target as Fuel

Creator:: Hummel, Andrew J. and Palmer, Todd S.
Abstract:: The most widely used and versatile medical radioisotope today is ⁹⁹[superscript]mTc. Roughly 30 million people depend on this radioisotope for diagnostic imaging procedures each year, and this demand is expected to grow. Although there are numerous ways of producing this isotope, the most common is from fission product 99Mo, which...
Resource Type:: Article
Full Text:: Reactor Cores Using a New Low-Enriched Uranium Target as Fuel Andrew J. Hummela* and Todd S. Palmerb

The Optimal Time Path for Carbon Abatement and Carbon Sequestration under Uncertainty: The Case of Stochastic Targeted Stock

Creator:: Haim, David, Plantinga, Andrew J., and Thomann, Enrique
Abstract:: We explore the optimal time path of carbon sequestration and carbon abatement in stabilizing CO₂ levels under uncertainty of climate impacts. Using a two-period sequential decision making model, we analytically derive optimal rates for the two control variables, abatement and sequestration rates. Uncertainty is assumed to affect the desired future...
Resource Type:: Article
Full Text:: David Haim a , Andrew J. Plantinga b , and Enrique Thomann c June 2, 2013

ScholarsArchive@OSU

Winter dispersal and activity patterns of post-breeding black-legged kittiwakes Rissa tridactyla from Prince William Sound, Alaska

Evaluating Adaptation Scenarios for Fishing Communities Facing Climate-Driven Species Changes

Aspects of the parasite fauna and related diseases in juvenile fishes in Upper Klamath Lake, OR

Finite element modeling of gusset plate failure using OpenSees

Molybdenum-99 production in the Oregon State TRIGA reactor : analysis of the reactor design using a new LEU target as fuel

Accelerating the convergence of the k-eigenvalue problem using a coarse mesh finite differencing scheme in cylindrical geometry

Crustal‐scale pure shear foreland deformation of western Argentina

Distributed inference-based multi-robot exploration

Analysis of Multiple TRIGA-Based Molybdenum Production Reactor Cores Using a New Low-Enriched Uranium Target as Fuel

The Optimal Time Path for Carbon Abatement and Carbon Sequestration under Uncertainty: The Case of Stochastic Targeted Stock

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