Index Catalog // ScholarsArchive@OSU

Seismotectonics of the Himalayas and the Tibetan Plateau : moment tensoranalysis of regional seismograms

Creator:: Baur, Jan R.
Abstract:: This thesis presents a detailed seismotectonic investigation of the Himalayan region and the Tibetan plateau as part of project HiCLIMB to explore the state of stress and the kinematics of the world’s largest continental collision zone. Using full regional waveforms for moment tensor inversion, source parameters for 107 earthquakes were...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jan R. Baur for the degree of Master of Science in Geophysics

Creating a Predictive Model of Cinder Cone Evolution in Central Oregon

Creator:: Das-Toke, Shyam P.
Abstract:: Cinder cones are useful geomorphic features for geological analysis because they generally have known initial states and follow a similar pattern of degradation as they are exposed to erosive processes. This is largely because cinder cones are produced by monogenetic eruptions. Characterizing large cinder cone fields in terms of age...
Resource Type:: Masters Thesis
Full Text:: without the incredible support of my advisor, Dr. Adam Kent, and my committee members, Dr. Andrew Meigs

Olivine and plagioclase-hosted melt inclusions and their application to determining parental arc magmas

Creator:: Kohut, Edward John
Abstract:: Three broadly interrelated problems of critical significance to the proper interpretation of melt inclusion (MI) data are addressed in this thesis. The first issue, the petrogenesis of anorthitic plagioclase phenocrysts in MORB lavas, has relevance due to the presence of numerous MI in many high-An feldspars. This problem was addressed...
Resource Type:: Dissertation
Full Text:: thank Anita Grunder and Andrew Meigs for serving on my committee and providing outstanding courses and

Lidar-based Post-earthquake Pavement Damage Classification System

Creator:: Shakya, Suzanna
Abstract:: 3D laser scanning has been used extensively in engineering reconnaissance surveys to capture perishable data in an efficient, reliable, and precise manner. Many insights on damage can be obtained from the data through various methods of post-processing; however, many of these techniques are often labor intensive. This delay reduces the...
Resource Type:: Masters Thesis
Full Text:: and Dr. Andrew Meigs for always providing me with valuable advice, support and taking the time to

Low-frequency Teleseismic and Infrasound Arrivals along the Dense Corvallis Nodal Array

Creator:: Way, Rachel
Abstract:: The dense Corvallis array deployed in January of 2022 aided in the high-resolution study of local geology. This array was made of 177 SmartSolo 3-component 5 Hz geophones around Corvallis, with a 93 geophone profile going west towards Bald Hill for approximately 5 km at an average of 64 m...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Andrew Meigs, Committee Member, representing Earth, Ocean and Atmospheric Science

Degree and scale of interactions among chiefdoms during the pre-Hispanic late period in northern Highland Ecuador (AD 1250-1525)

Creator:: Yanchar, Kaitlin C.
Abstract:: During the Late Pre-Hispanic period, settlements in Northern Highland Ecuador were organized under a number of chiefdoms. While a basic hierarchical political system is described in the ethnohistoric literature, the nature of the interactions between specific settlements has remained unknown. This study utilizes two methods for describing the degree and...
Resource Type:: Masters Thesis
Full Text:: . Andrew Meigs for providing guidance on my project and encouraging me through the thesis process. I

Distinguishing between live and dead standing tree biomass on the North Rim of Grand Canyon National Park, USA using small-footprint lidar data

Creator:: Kim, YunSuk
Abstract:: Accurate estimation of live and dead biomass in forested ecosystems is important for studies of carbon dynamics, biodiversity, and wildfire behavior, and for forest management. Lidar remote sensing has been used successfully to estimate live biomass, but studies focusing on dead biomass are rare. We used lidar data, in conjunction...
Resource Type:: Masters Thesis
Full Text:: Live tree HDR R el at iv e fr eq ue nc y 0 20 40 60 80 100 120 140 0.000 0.005 0.010

Understanding large resurgent calderas and associated magma systems : the Pastos Grandes Caldera Complex, southwest Bolivia

Creator:: Kaiser, Jason Frederick, 1985-
Abstract:: The Pastos Grandes Caldera Complex (PGCC) in southwest Bolivia has produced two large-volume (≥800 km³ DRE) dacite ignimbrites from a nested caldera source over a period of 5.5 Myr. In addition to the large-volume ignimbrites, a small-volume ignimbrite shield and post-climactic lavas define this composite system. Based on detailed field...
Resource Type:: Dissertation
Full Text:: . Anita Grunder and Andrew Meigs have given me critical instruction and guidance. Thank you for your

Behavior of open grid steel bridge decks under service and fatigue loads

Creator:: Fetzer, Peter C.
Abstract:: Open grid steel bridge decks have been in use for nearly a century. These open grid decks provide an economical and lightweight alternative to traditional reinforced concrete decks. As the transportation infrastructure continues to deteriorate, open grid decks can be used as a cost effective way to rehabilitate structurally deficient...
Resource Type:: Masters Thesis
Full Text:: committee members Dr. Michael Scott, Dr. John Gambatese, and Dr. Andrew Meigs. I would also like to thank

Sediment transfer and storage in headwater basins of the Oregon Coast Range : transit times from 14C dated deposits

Creator:: Underwood, Emily F.
Abstract:: In steep headwater basins of the Oregon Coast Range (OCR), debris flows episodically deliver material from low-order tributary basins to larger catchments. Much of this material is stored in valleys and gradually removed by fluvial processes. Quantifying the transfer of material from hillslopes to mainstem channels is essential in understanding...
Resource Type:: Masters Thesis
Full Text:: ideas, support, funding, and advice without which this thesis would not have been possible. Andrew

ScholarsArchive@OSU

Seismotectonics of the Himalayas and the Tibetan Plateau : moment tensoranalysis of regional seismograms

Creating a Predictive Model of Cinder Cone Evolution in Central Oregon

Olivine and plagioclase-hosted melt inclusions and their application to determining parental arc magmas

Lidar-based Post-earthquake Pavement Damage Classification System

Low-frequency Teleseismic and Infrasound Arrivals along the Dense Corvallis Nodal Array

Degree and scale of interactions among chiefdoms during the pre-Hispanic late period in northern Highland Ecuador (AD 1250-1525)

Distinguishing between live and dead standing tree biomass on the North Rim of Grand Canyon National Park, USA using small-footprint lidar data

Understanding large resurgent calderas and associated magma systems : the Pastos Grandes Caldera Complex, southwest Bolivia

Behavior of open grid steel bridge decks under service and fatigue loads

Sediment transfer and storage in headwater basins of the Oregon Coast Range : transit times from 14C dated deposits

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