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Filtering by: Subject Volcanism -- Washington (State) -- Saint Helens, Mount Remove constraint Subject: Volcanism -- Washington (State) -- Saint Helens, Mount Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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The role of subduction fluids in generating compositionally diverse basalts in the Cascadia subduction zone

Creator:

Rowe, Michael C.

Abstract:

The primary goal of this study is to assess the impact of a subduction component added to the mantle wedge beneath the Oregon Cascades to the composition and fO2 of primitive Cascade basalts. Olivine-hosted melt inclusions from compositionally diverse basalts across the Cascade arc (~100 km) are utilized in an...

Resource Type:

Dissertation
Spatial and temporal changes in stream network topology : post-eruption drainage, Mount St. Helens

Creator:

Parsons, Michael Raymond

Resource Type:

Dissertation
Tourism and community perceptions : an examination of Mount St. Helens' tourism as perceived by local residents

Creator:

Baker, Randal G.

Abstract:

Since the eruption of Mount St. Helens on May 18,1980, the rural communities within its shadow have experienced tremendous change. Tourism has become a highly visible and somewhat controversial component of change in the region, and its importance to local economies has increased. As a result of increased tourism development...

Resource Type:

Dissertation
Volcanism, Climate Change. and Prehistoric Cultural Succession in Southern Washington and North-Central Idaho

Creator:

Davis, Loren G. (Loren Gerald), 1969-

Abstract:

The cultural influence of volcanic eruptions has been emphasized in the archaeological literature. However, the larger effects that Mount St. Helens volcanic eruptions had upon prehistoric populations in the Pacific Northwest is not understood. This thesis asks questions of the archaeological and paleoenvironmental record of the Pacific Northwest to assess...

Resource Type:

Masters Thesis
A landscape-scale analysis of vegetation recovery at Mount St. Helens

Creator:

Lawrence, Rick L.

Abstract:

I used satellite remote sensing to examine the key factors controlling the natural revegetation of Mount St. Helens since its eruption in 1980. The study required three stages: determining the amount of vegetation present; characterizing vegetation change; and analyzing the influence of factors affecting vegetation change. To determine the amount...

Resource Type:

Dissertation
Conifer establishment from seed on tephra deposits from the 1980 eruptions of Mount St. Helens, Washington

Creator:

Frenzen, Peter M.

Abstract:

Information concerning the factors controlling seedling establishment on tephra deposits (airfall volcanic ejecta) is limited. The establishment and growth of six coniferous species, Abies amabills (Dougl.) Forbes (Pacific silver fir), A. procera Rehd. (noble fir), Pinus monticola Dougl. (western white pine), P. Contorta Dougl. (lodgepole pine), Pseudotsuga menziesii (Mirb.) Franco...

Resource Type:

Masters Thesis
Post-eruption species selection and planting trials for reforestation of sites near Mount St. Helens

Creator:

Logan, Sheila E.

Abstract:

The 1980 eruptions of Mount St. Helens damaged or destroyed vegetation on more than 66,100 hectares (270,000 acres) within the Gifford Pinchot National Forest. The effects of the eruption on planting sites and seedling performance were unknown. Regeneration of "cut over" lands near Mount St. Helens has historically been limited...

Resource Type:

Masters Thesis
Meeting of the magmas : the evolutionary history of the Kalama Eruptive Period, Mount St. Helens, Washington

Creator:

Lieuallen, Athena Erin

Abstract:

Comprehension of eruptive histories is critical in understanding the evolution of magmatic systems at arc volcanoes and may supply evidence to the petrogenesis of intermediate and evolved magmas. Within the 300 ka eruptive history of Mount St. Helens, Washington, the Kalama Eruptive Period, 1479- ~1750 CE was bracketed by interludes...

Resource Type:

Masters Thesis

Full Text:

of the Magmas: the Evolutionary History of the Kalama Eruptive Period, Mount St. Helens, Washington
Sediment routing in a small watershed in the blast zone at Mount St. Helens, Washington

Creator:

Smith, Richard D. (Richard Dean), 1950-

Abstract:

A descriptive model of the routing of sediment that was delivered to the study area by the 1980 eruptions of Mount St. Helens has been developed. On hillslopes this sediment was distributed among three major storage compartments: 1) the tephra profile, 2) primary storage, and 3) secondary storage. The most...

Resource Type:

Masters Thesis

Full Text:

Mount St. Helens, Washington AN ABSTRACT OF THE THESIS OF Richard D. Smith for the degree of Master
Revegetation-microhabitat relations in the blast zone of Mount St. Helens

Creator:

Gallant, Alisa L.

Abstract:

The Mount St. Helens eruption of May 18, 1980, offered an excellent setting for evaluating early response of ecosystems to disturbance. Prior to the eruption, the area was densely forested with fir, hemlock, and Douglas-fir, and various understory species. During the course of the eruption, hillslopes within a 180 degree...

Resource Type:

Masters Thesis

Full Text:

. Summary of temperature studies of 1980 deposits. In: The 1980 eruptions of Mount St. Helens, Washington

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Academic Affiliation

Geosciences3
Forest Science2
Botany and Plant Pathology1
Forest Resources1
General Science1
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Advisor

Swanson, Frederick J.2
Brauner, David R.1
Emmingham, William H.1
Franklin, Jerry F.1
Kent, Adam J. R.1
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Commencement Year

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Current results range from 1980 to 2011

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Committee Member

Agnew, Allen F.1
Arscott, George H.1
Coblentz, Bruce1
Dawson, Peter S.1
Franklin, Jerry F.1
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Creator

Antos, Joseph A.1
Baker, Randal G.1
Bland, Mark1
Davis, Loren G. (Loren Gerald), 1969 1
Frenzen, Peter M.1
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Date

Date range begin – Date range end

Current results range from 1979 to 2010

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Decade

2010-20191
2000-20091
1990-19993
1980-19897
1970-19791

Degree Field

Geography3
Geology3
Forest Science2
Soil Science2
Anthropology1
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Degree Level

Master's8
Doctoral5

Degree Name

Master of Science (M.S.)7
Doctor of Philosophy (Ph.D.)5
Master of Arts in Interdisciplinary Studies (M.A.I.S.)1

File Format

application/pdf1

Language

English [eng]13

License

All rights reserved3

Non-Academic Affiliation

Oregon State University. Graduate School[remove]13

Peer Reviewed

No10

Resource Type

Masters Thesis8
Dissertation5

Rights Statement

Copyright Not Evaluated8
In Copyright5

Subject

Saint Helens, Mount (Wash.)3
Basalt -- Inclusions -- Cascade Range1
Basalt -- Inclusions -- Oregon1
Broilers (Poultry)1
Conifers1
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