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ScholarsArchive at Oregon State University
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Direct behavioral observations of multiple free-ranging animals over long periods of time and large geographic areas is
prohibitively difficult. However, recent improvements in technology, such as Global Positioning System (GPS) collars
equipped...
2014-12 (iso8601)
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The reality confronting ecosystem managers today is one of heterogeneous, rapidly transforming landscapes,
particularly in the areas more affected by urban and agricultural development. A landscape management
framework that incorporates all...
2014-12 (iso8601)
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Although geodetic measurements of interseismic deformation in interior Tibet suggest slow
strain accumulation, active slip along the right-lateral Gyaring Co Fault is suggested to be between 8
and 21 mm/yr. Reliable geologic constraints on the...
2014-08-28 (iso8601)
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We examined the feasibility of using a video beam
trawl system to assess behavioral responses of juvenile
flatfishes in relation to co-occurring habitat features,
most notably dissolved oxygen (DO) concentrations. Sixteen
samples were collected...
2014-12 (iso8601)
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We present a kinetic model based upon pore water data collected from eight sites drilled
during the second Ulleung Basin gas hydrate drilling expedition (UBGH2) in 2010.
Three sites were drilled at locations where acoustic chimneys were identified...
2014-09-01 (iso8601)
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Satellite-derived sea surface salinity (SSS) data from Aquarius and SMOS are used to study the
shelf-open ocean exchanges in the western South Atlantic near 35°S. Away from the tropics, these
exchanges cause the largest SSS variability throughout...
2014-11-20 (iso8601)
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We use flux, dissolution, and excess ²³⁰Th data from the Joint Global Ocean Flux Study and Manganese Nodule Project equatorial Pacific study Site C to assess the extent of sediment focusing in the equatorial Pacific. Measured mass accumulation...
2014-07 (iso8601)
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Irrigation experiments on 12 instrumented field plots were used to assess the impact of dynamic soil crack networks on
infiltration and run-off. During applications of intensity similar to a heavy rainstorm, water was seen being preferentially...
2015-02-15 (iso8601)
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NW Rota-1 is a submarine volcano in the Mariana volcanic arc located ~100 km north of Guam.
Underwater explosive eruptions driven by magmatic gases were first witnessed there in 2004 and continued
until at least 2010. During a March 2010...
2014-11 (iso8601)
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Bulk magnetic properties of soils and sediments are often sensitive proxies for environmental change but commonly require interpretation in terms of the different sources of magnetic minerals (or components) that combine to generate them....
2014-10-31 (iso8601)
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Documented and forecasted trends in rising sea levels and changes in storminess patterns have the potential to increase the frequency, magnitude, and spatial extent of coastal change hazards. To develop realistic adaptation strategies, coastal...
2015-02 (iso8601)
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Mineral dust particles have been shown to act as cloud condensation nuclei, and they are known to interact
with developing tropical storms over the Atlantic downwind of the Sahara. Once present within liquid
droplets, they have the potential to...
2015-01 (iso8601)
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Three mechanisms for self-induced Ekman pumping in the interiors of mesoscale ocean eddies are investigated.
The first arises from the surface stress that occurs because of differences between surface wind and
ocean velocities, resulting in Ekman...
2015-01 (iso8601)
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Moored observations are used to investigate the seasonal change in vertical structure of the cross-shelf
circulation at a midshelf location in the northern California Current System. A streamwise–normal coordinate
system is employed to eliminate...
2015-01 (iso8601)
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Seascape ecology is an emerging discipline focused on understanding how features of the marine habitat influence the
spatial distribution of marine species. However, there is still a gap in the development of concepts and techniques for its...
2014-10-27 (iso8601)
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Combined analyses of deep tow magnetic anomalies and International Ocean Discovery Program Expedition 349 cores show that initial seafloor spreading started around 33 Ma in the northeastern South China Sea (SCS), but varied slightly by 1-2 Myr...
2014-12-27 (iso8601)
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Eddies can influence biogeochemical cycles through a variety of mechanisms, including the
excitation of vertical velocities and the horizontal advection of nutrients and ecosystems, both around the
eddy periphery by rotational currents and by the...
2014-12-01 (iso8601)
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Gas hydrates, pervasive in continental margin sediments, are expected to release methane in
response to ocean warming, but the geographic range of dissociation and subsequent flux of methane to
the ocean are not well constrained. Sediment column...
2014-12-05 (iso8601)
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Illuminated contour lines, where line width and color are varied based on an angle of illumination, date back to the mid-nineteenth century, but their effectiveness compared to conventional contour lines has not been fully examined. Currently,...
2015-02-05 (iso8601)
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It is almost universally assumed in statistical hydroclimatology that relationships between large-scale
climate indices and local-scale hydrometeorological responses, though possibly nonlinear,
are monotonic. However, recent work suggests that...
2014-10-08 (iso8601)
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Through application of carbon (C) and nitrogen (N) stable isotope analyses, we investigated the benthic trophic structure of
the upper-slope off southern Chile (~45°S) including a recent methane seep area discovered as part of this study. The...
2014-06 (iso8601)
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In a set of streamside mesocosms, stream ecosystem respiration (ER) increased with biofilm
biomass and flow heterogeneity (turbulence) generated by impermeable bed forms, even though those
bed forms had no hyporheic exchange. Two streamside flumes...
2014-12-16 (iso8601)
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Rivers display temporal dependence in suspended sediment–water discharge relationships. Although most work has
focused on multi-decadal trends, river sediment behavior often displays sub-decadal scale fluctuations that have received little...
2015-02 (iso8601)
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The ChemCam campaign at the fluvial sedimentary outcrop ‘‘Shaler’’ resulted in observations of 28
non-soil targets, 26 of which included active laser induced breakdown spectroscopy (LIBS), and all of
which included Remote Micro-Imager (RMI)...
2015-03-15 (iso8601)
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