Index Catalog // ScholarsArchive@OSU

Petrogenesis of the Steens Basalt : Variation in Source Contributions and Effects of Crustal Passage During the Onset of Columbia River Flood Basalt Volcanism

Creator:: Moore, Nicole E.
Abstract:: Continental flood basalts represent short-lived but immense blasts of mafic magma to the continental crust. The youngest and smallest continental flood basalt worldwide, the Columbia River Basalt, initiated with the eruption of the most mafic member, the Steens Basalt (~16.9 Ma). The Steens Basalt is exposed in southeast Oregon, southwest...
Resource Type:: Dataset and Dissertation
Full Text:: Steens Mountain, with eruptions spanning no more than a few 100,000 years. The Steens Basalt has been

Investigating the Tibetan crust through automatic S wave detection and travel-time tomography using the Hi-CLIMB seismic array

Creator:: Riddle, Evan
Abstract:: The Hi-CLIMB broadband seismic experiment (2002-2005) operated 233 stations along an 800 km long north-south line from the Himalayan foreland into the central Tibetan Plateau and in a 350x350 km sub-array within southern Tibet and central and eastern Nepal. Station spacing was approximately 8 km along the line and 50...
Resource Type:: Masters Thesis
Full Text:: by Evan Riddle A THESIS submitted to Oregon State University

The stability and calibration of water vapor isotope ratio measurements during long-term deployments

Creator:: Bailey, A., Noone, D., Berkelhammer, M., Steen-Larsen, H. C., and Sato, P.
Abstract:: With the recent advent of commercial laser absorption spectrometers, field studies measuring stable isotope ratios of hydrogen and oxygen in water vapor have proliferated. These pioneering analyses have provided invaluable feedback about best strategies for optimizing instrumental accuracy, yet questions still remain about instrument performance and calibration approaches for multi-year...
Resource Type:: Article
Full Text:: ratio measurements during long-term deployments Bailey, A., Noone, D., Berkelhammer, M., Steen-Larsen

Fifth Oregon climate assessment

Creator:: Dalton, Meghan M., Fleishman, Erica, and Oregon Climate Change Research Institute
Abstract:: Consistent with its charge under Oregon House Bill 3543, the Oregon Climate Change Research Institute (OCCRI) conducts a biennial assessment of the state of climate change science, including biological, physical, and social science, as it relates to Oregon and the likely effects of climate change on Oregon. This fifth Oregon...
Resource Type:: Technical Report
Full Text:: mountain ranges in Oregon. Figure 4. Snow seasonality classified by the median snow seasonality metric

Future climate projections. Harney County : August 2018

Creator:: Dalton, Meghan, Rupp, David, and Hawkins, Linnia
Abstract:: A report to the Oregon Department of Land Conservation and Development.
Resource Type:: Technical Report
Full Text:: credit: East slope of Steens Mountain above Mann Lake by US Department

Oregon climate assessment report : December 2010

Creator:: Dello, Kathie D., Mote, Philip W., and Oregon Climate Change Research Institute
Abstract:: The group of scientists that make up the Intergovernmental Panel on Climate Change found in 2007 that the warming of Earth’s climate is unequivocal and largely due to human activity. Earth’s climate has changed in the past, though the recent magnitude and pace of changes are unprecedented in human existence....
Resource Type:: Technical Report
Full Text:: northward into Oregon affecting forest species. Mountain pine beetle occurrence has been increasing over

Daily Snowpack Fate Data Supporting New Metrics for Snow in a Warming Climate: Indicators for the National Climate Assessment

Creator:: Hu, J. Michelle
Abstract:: Snowpack impacts and trends in precipitation regimes are investigated for the mountainous western United States from water years 1984–2016. The vast majority of snow trend studies utilize undifferentiated air temperature records, which do not segregate between days with and without precipitation and effectually dilute temperature trends relevant for snowpack monitoring....
Resource Type:: Dataset

Ar-Ar Age Correlation of the Elkhorn Mountain Volcanics and Base Metal Mineralization in the Ratio Mountain Quadrangle, Montana

Creator:: Horton, Thomas
Abstract:: The Ratio Mountain Quadrangle is located in Southwest Montana, East of the city of Butte. This quadrangle features two major geologic units; the Elkhorn Mountain Volcanics, a series of several ignimbrites of varying composition, and the Boulder Batholith, a large granite pluton that rose through the EMV. Previous studies in...
Resource Type:: Research Paper
Full Text:: , Montana Thomas Horton Oregon State University Introduction The Ratio Mountain Quadrangle is

Seismic wave attenuation of the crust and upper mantle in the Himalaya and South-Central Tibetan Plateau

Creator:: Monigle, Patrick W.
Abstract:: Recent geophysical and geological investigations of the Tibetan plateau have given rise to conflicting models of plateau growth and deformation, where the presence and extent of partial melt in the crust could be a determining factor. Here we investigate the attenuation structure of the crust and upper mantle, as attenuation...
Resource Type:: Dissertation
Full Text:: submitted to Oregon State University in partial fulfillment of the requirements for the

Fault behavior over geomorphic time scales in the Pakistan Himalaya, Kashmir Himalaya, and California

Creator:: Madugo, Christopher Lee Madden
Abstract:: The state of the knowledge for fault behavior in the northwest Himalaya and California varies dramatically. In the Pakistan and Kashmir Himalaya, few data constrain the role that individual active faults play in accommodating Indo-Eurasian convergence and the relative earthquake hazard across the region. By contrast, the San Andreas fault...
Resource Type:: Dissertation

ScholarsArchive@OSU

Petrogenesis of the Steens Basalt : Variation in Source Contributions and Effects of Crustal Passage During the Onset of Columbia River Flood Basalt Volcanism

Investigating the Tibetan crust through automatic S wave detection and travel-time tomography using the Hi-CLIMB seismic array

The stability and calibration of water vapor isotope ratio measurements during long-term deployments

Fifth Oregon climate assessment

Future climate projections. Harney County : August 2018

Oregon climate assessment report : December 2010

Daily Snowpack Fate Data Supporting New Metrics for Snow in a Warming Climate: Indicators for the National Climate Assessment

Ar-Ar Age Correlation of the Elkhorn Mountain Volcanics and Base Metal Mineralization in the Ratio Mountain Quadrangle, Montana

Seismic wave attenuation of the crust and upper mantle in the Himalaya and South-Central Tibetan Plateau

Fault behavior over geomorphic time scales in the Pakistan Himalaya, Kashmir Himalaya, and California

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