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751 - 775 of 881 Items << < 26 27 28 29 30 31 32 33 34 35 > >>
751 - 775 of 881 Items << < 26 27 28 29 30 31 32 33 34 35 > >>
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Digital Elevation Models (DEMs) of topography are widely used in Geographic Information Systems (GIS) to derive information for the modeling of hydrologic processes. We present a general method for flow analysis that builds upon the representation...
2009-07-13
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The study of mass and energy transfer across landscapes has recently evolved to comprehensive considerations acknowledging the role of biota and humans as geomorphic agents, as well as the importance of small-scale landscape features. A...
2015-09-01
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State University Department of Watershed Sciences runs an introductory course for all incoming graduate students (13 in Fall 2011) immediately prior to each Fall semester. The course is an intense, five day introduction to the fundamental concepts...
2011-01-01
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Using repeat ground-based topographic surveys and digital elevation model (DEM) differencing to infer reach-scale sediment budgets has become a popular monitoring tool in fluvial geomorphology. However, few studies have used DEM differencing to...
2004-12-01
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The influence of geomorphic change on ecohydraulics has traditionally been difficult to quantify. With recent improvements in surveying technology, high-resolution, repeat and topographic surveys have become a common tool for estimating fluvial...
2010-05-01
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Collection of photographs, scrapbooks,
correspondence, engineering reports, land surveys, and maps pertaining to the
life and work of Robert E. Hickson, engineer for the Army Corps of Engineers in
Oregon.; Biographical Note; Robert E....
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The Central and Eastern Oregon Township Plats consist of reproductions of the original manuscript plat maps for townships in regions of Oregon east of the Cascade Mountains. Most of the plats were prepared in the 1870s-1890s.; The Central and...
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Honorable Arthur ¥• Watkins
-2-
Power Site Reserve No, 721
it it it ti 732
Power Site Classification No* 3
« it » « 60
b n n « 87
tt a » « 93
July 11, 1919 December 27, 1919
May 17, 1921
February 21, 1924 February 14,...
2009-04-01
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The people of the area have taken the initial steps in the organization of a Conservancy District for contracting with the Federal Government. It is planned to have this Conservancy District fully organized by August, 1957 in order to get a tax...
2008-12-01
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We used radiotelemetry to study space use and habitat selection of 16 Northern Spotted Owls (Strix occidentalis caurina) on the eastern slope of the Cascade Mountains, Washington, U.S.A., in 1989–1990. We used a geographical information system...
2015-06 (iso8601)
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Stabilization of the Yaquina Bay shoreline along the northeastern edge of the Hatfield Marine Science Center (HMSC) campus became necessary to halt erosion that threatened both HMSC critical infrastructure (seawater storage tank) and public access...
2015-02-11 (iso8601)
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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...
2014-06-04 (iso8601)
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A free-air gravity anomaly map of the area between 10°-17°N and
90°-101°W shows distinctive positive and negative anomalies which
parallel the Tehuatepec Ridge. The positive anomaly approximately
overlies the topographic expression of the ridge....
1975-07-17 (iso8601)
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Detailed current profiles between the sediment-water interface
and 20 cm above it reveal a viscous sublayer in the bottom boundary
layer on the Oregon continental shelf. Data from three field experiments
are used to test fundamental assumptions...
1981-09-04 (iso8601)
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Motivated by the general objective of pursuing oceanographic process and data assimilation studies of the complex, nonlinear eddy and jet current fields observed over the continental shelf and slope off the west coast of the United States, we...
1990-07 (iso8601)
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Since 2003, 39 small earthquakes have been detected offshore central Oregon in the nominally locked part of the Cascadia subduction zone, where very little seis- mic activity has been recorded in spite of a paleo-seismic record of great subduction...
2011-08-16 (iso8601)
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Data from Geostationary Operational Environmental
Satellites are used to study the seasonal evolution of
temperature fronts in the northern California Current
System (CCS), focusing on the interactions with
topographic features. Fronts first...
2005 (iso8601)
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Anthropogenic nitrogen (N) deposition has had substantial impacts on forests of North America. Managers
seek to monitor deposition to identify areas of concern and establish critical loads, which define the
amount of deposition that can be...
2013-07-15 (iso8601)
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The Nanga Parbat-Haramosh massif (NPHM) is a unique structural
and topographic high in the northwestern corner of the Himalayan
convergence zone. Previously, the NPHM was thought to be bounded by
the MMT, a thrust along which the Kohistan-Ladakh...
1986-05-29 (iso8601)
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This study was designed to provide a physical and ecological analysis of paired
watersheds in the semi-arid western juniper (Juniperus occidentalis) woodlands of
Central Oregon. Instrumentation and monitoring was accomplished in Jensen and Mays...
1996-01-26 (iso8601)
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Newberry Volcano in central Oregon formed at the intersection of extensional fault systems defining the Basin and Range extensional province, the Cascades Graben and the Brothers Fault Zone. A unique structural orientation characterizes each fault...
2012-04-20 (iso8601)
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