Index Catalog // ScholarsArchive@OSU

Survey of isotope ratios in the near coastal outflow of the Columbia River

Creator:: Dolan-Caret, Amari
Abstract:: This report details ocean water salinity and stable isotope measurements (deuterium (D) and 18O) in water collected from April 17 2018 to April 21 2018 in the coastal waters of Oregon, USA. Measurements were made from surface, ship flow-through, and CTD rosette bottle samples collected as part of a student-led...
Resource Type:: Capstone Project
Full Text:: Niezgoda, Kaleb Horlick and Dr. David Noone. Dr. Simon de Szoeke provided assistance and expertise for

Vertical Structure of the Lower Troposphere in a Changing Arctic

Creator:: Watkins, Daniel M.
Abstract:: The Arctic climate system is changing dramatically as a response to rising atmospheric greenhouse gas concentrations. Key indicators of Arctic change include thinning and retreating of Arctic pack ice, thawing permafrost, greening tundra, and rising surface temperatures. The structure of the atmospheric boundary layer influences and is influenced by processes...
Resource Type:: Dissertation
Full Text:: many interesting tangential discussions. To Eric Skyllingstad, Simon de Szoeke, and Justin Wettstein

Atmospheric and Sea Ice Circulation Patterns During Lead Formation at Point Barrow

Creator:: Jewell, MacKenzie E.
Abstract:: In winter and spring, ice-coast interactions driven by winds and ocean currents cause sea ice fractures (leads) to form repeatedly along Arctic coastlines. These events are often associated with rapid and expansive changes in sea ice drift and state that are challenging to predict and represent in models. We investigate...
Resource Type:: Masters Thesis
Full Text:: committee, Björn Erlingsson and Simon de Szoeke, for sharing their expertise and suggestions. Additionally

On the Use of Baseline Values in Randomized Clinical Trials

Creator:: Castillo Roldan, Alejandra M.
Abstract:: In many scientific settings, investigators are interested in the effect of a new treatment. To have a point of comparison data is collected from patients before treatment groups are assigned. When seeking to test the presence of a significant treatment effect it may be unclear how baseline measurements should be...
Resource Type:: Masters Thesis

Bright air : geoprocessing thermal imagery to map the nocturnal dynamics of the boundary layer in a mountain valley

Creator:: Johnson, Christopher
Abstract:: A thermal infrared (TIR) camera is used to remotely sense the foliage temperature in a mountain valley. The foliage temperature is used as a proxy for air temperature and can be used to study and map the dynamics of the nocturnal, weak-wind boundary layer in this valley. All radiative flux...
Resource Type:: Masters Thesis
Full Text:: , Simon de Szoeke, Anne Nolin, and Bill Bogley, also deserve credit for the successful completion of

Basin-scale variation in the spatial pattern of fall movement of juvenile coho salmon in the West Fork Smith River, Oregon

Creator:: Hance, Dalton J.
Abstract:: from the summer dry season to the winter wet season. Such movement that connects summer and winter habitats may be particularly important for coho salmon, O. kisutch, because availability of overwintering habitat can limit freshwater survival for this species. Here, I describe basin-scale variability in the spatial pattern of fall...
Resource Type:: Masters Thesis

Relationship between tropical Atlantic Sea surface temperature variability and southern Indian Ocean tropical cyclones

Creator:: DeBlander, Evan F.
Abstract:: Recent studies have found that equatorial Atlantic sea surface temperature (SST) variability may be influencing tropical Indian Ocean climate (Kucharski 2009, Wang 2009). Due to the economic and social impact of tropical cyclones, it is important to investigate how an Atlantic-Indian Ocean connection may be affecting tropical cyclone behavior in...
Resource Type:: Masters Thesis
Full Text:: to thank my committee members - Eric Skyllingstad, Simon de Szoeke, and Roger Graham - for their

Effects of aerosols on the properties of deep convective clouds

Creator:: Brown, Daniel A.
Abstract:: Aerosols are tiny particles that serve as nuclei for cloud droplet and ice crystal formation. Increases in aerosol concentration lead to clouds with smaller but more numerous droplets. Some recent studies have found evidence that ice crystal size in deep convective clouds is also reduced by elevated aerosol concentrations. In...
Resource Type:: Masters Thesis
Full Text:: for all of his help. I would like to thank Drs. Karen Shell, Simon de Szoeke, and Jennifer Field

Evaluating a Zonal-mean Hydrologic Model Against a Water Tag-enabled Global Simulation

Creator:: Mandovi, Andrew
Abstract:: The hydrologic cycle on Earth comprises the transitions among the solid, liquid, and gaseous phases of water. Understanding the hydrologic cycle is of course important for climate science, but also for agricultural, drinking water, and disaster preparedness purposes. Improvements in satellite observations and general circulation models (GCMs) have led to...
Resource Type:: Masters Thesis

Terahertz Induced Non-linear Electron Dynamics in Nanoantenna Coated Semiconductors at the Sub-picosecond Timescale

Creator:: Stickel, Andrew
Abstract:: This dissertation is an exploration of the material response to Terahertz (THz) radiation. Specifically we will explore the ultrafast electron dynamics in the nonperturbative regime in semiconductors that have been patterned with nanoantenna arrays using broadband, high intensity, THz radiation. Three main semiconductor materials will be studied in this work....
Resource Type:: Dissertation
Full Text:: pyroelectric detector. Like the other de- tectors it operates on the conversion of photon energy into thermal

ScholarsArchive@OSU

Survey of isotope ratios in the near coastal outflow of the Columbia River

Vertical Structure of the Lower Troposphere in a Changing Arctic

Atmospheric and Sea Ice Circulation Patterns During Lead Formation at Point Barrow

On the Use of Baseline Values in Randomized Clinical Trials

Bright air : geoprocessing thermal imagery to map the nocturnal dynamics of the boundary layer in a mountain valley

Basin-scale variation in the spatial pattern of fall movement of juvenile coho salmon in the West Fork Smith River, Oregon

Relationship between tropical Atlantic Sea surface temperature variability and southern Indian Ocean tropical cyclones

Effects of aerosols on the properties of deep convective clouds

Evaluating a Zonal-mean Hydrologic Model Against a Water Tag-enabled Global Simulation

Terahertz Induced Non-linear Electron Dynamics in Nanoantenna Coated Semiconductors at the Sub-picosecond Timescale

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