Index Catalog // ScholarsArchive@OSU

Microelectrode Velocity Effects and Aquatic Eddy Covariance Measurements under Waves

Creator:: Reimers, Clare E., Özkan-Haller, H. Tuba, Albright, Andrea T., and Berg, Peter
Abstract:: Interest in validating the eddy covariance (EC) technique under wave-induced flows led to a series of experiments in a 104-m-long large wave flume (LWF) using an acoustic Doppler velocimeter (ADV) and two oxygen microelectrodes (tips ~2 mm apart) mounted on a sturdy tripod. Four additional ADVs positioned within the flume...
Resource Type:: Article
Full Text:: eddy covariance (EC) technique under wave-induced flows led to a series of experiments in a 104-m-long

Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO composites

Creator:: Jarupoom, Parkpoom, Eitssayeam, Sukum, Pengpat, Kamonpan, Tunkasiri, Tawee, Cann, David P., and Rujijanagul, Gobwute
Abstract:: A new composite system, Ba(Zr[subscript 0.07]Ti[subscript 0.93])O₃ (BZT93) ceramic/NiO nanoparticles, was fabricated to investigate the effect of NiO nanoparticles on the properties of these composites. M-H hysteresis loops showed an improvement in the magnetic behavior for higher NiO content samples plus modified ferroelectric properties. However, the 1 vol. % samples...
Resource Type:: Article
Full Text:: polari- zation [Pr] and coercive field [Ec] are shown in Table 1. Based on the results, the 1 vol

Quantification of metabolically active transient storage (MATS) in two reaches with contrasting transient storage and ecosystem respiration

Creator:: Argerich, Alba, Haggerty, Roy, Marti, Eugenia, Sabater, Francesc, and Zarnetske, Jay
Abstract:: Water transient storage zones are hotspots for metabolic activity in streams although the contribution of different types of transient storage zones to the whole-reach metabolic activity is difficult to quantify. In this study we present a method to measure the fraction of the transient storage that is metabolically active (MATS)...
Resource Type:: Article
Full Text:: (i.e., until 09:20 LT the next day). Electrical conduc- tivity (EC), as a surrogate for Cl

Watercolors in the Coastal Zone: What Can We See?

Creator:: Schofield, Oscar, Arnone, Robert A., Bissett, W. Paul, Dickey, Tommy D., Davis, Curtiss O., Finkel, Zoe, Oliver, Matthew, and Moline, Mark A.
Abstract:: Hydrological optics has a rich history, playing a significant role in physical, chemical, and biological oceanography. The success over the last 30 years has provided oceanographers with a non-invasive means to study regional and global scale physical, chemical, and biological processes (Figure 1). The ability to map the color of...
Resource Type:: Article
Full Text:: spectral refl ec- tance [R(λ)] and the inherent optical prop- erties can reasonably be described as R(λ

Influence of transient storage on stream nutrient uptake based on substrata manipulation

Creator:: Argerich, Alba, Marti, Eugenia, Sabater, Francesc, Haggerty, Roy, and Ribot, Miquel
Abstract:: Quantification of the transient storage zone (A[subscript s]) has become critical in stream biogeochemical studies addressed to examine factors controlling nutrient uptake. It is expected that higher A[subscript s] may enhance the interaction between nutrients and biota and thus, increase nutrient uptake. However, results from the literature are controversial. We...
Resource Type:: Article
Full Text:: then placed these packs in the canal and we recorded electrical conductivity (EC) upstream and 3 meters

Water vapor transport in the vicinity of imbibing saline plumes: Homogeneous and layered unsaturated porous media

Creator:: Weisbrod, Noam, Niemet, Michael R., McGinnis, Thomas, and Selker, John S.
Abstract:: Water vapor transport in the vicinity of imbibing saline solutions was investigated in two-dimensional (2-D) chambers using a light transmission technique. Concentrated NaNO3 solutions (brines) were applied as point sources to the surface of homogenous packs of prewetted silica sand for four different sand grades. The same solutions were applied...
Resource Type:: Article
Full Text:: electrical conductivity (EC) of the supernatant was measured (GLA 1 Instant EC Salinity Drop Tester) and

Juvenile Steller sea lion dive behavior following temporary captivity

Creator:: Thomton, Jamie D., Mellish, Jo-Ann E., Hennen, Daniel R., and Horning, Markus
Abstract:: Wild-caught juvenile Steller sea lions Eumetopias jubatus (n = 21) were maintained in temporary captivity for up to 12 wk to investigate health, disease, nutrition and behavior. We assessed the effects of captivity on post-release dive behavior and movement of each animal using externally mounted satellite data recorders. Based on...
Resource Type:: Article
Full Text:: Ave, PO Box 1329, Seward, Alaska 99664, USA 2School of Fisheries and Ocean Sciences, 245 O’Neill Bldg

Capsaicin represses transcriptional activity of β-catenin in human colorectal cancer cells

Creator:: Lee, Seong-Ho, Richardson, Raphael L., Dashwood, Roderick H., and Baek, Seung Joan
Abstract:: Capsaicin is a pungent ingredient in chili red peppers and has been linked to suppression of growth in various cancer cells. However, the underlying mechanism(s) by which capsaicin induces growth arrest and apoptosis of cancer cells is not completely understood. In the present study, we investigated whether capsaicin alters β-catenin-dependent...
Resource Type:: Article
Full Text:: KY, Kim EC, Kim YM, Lee SW, Kim OH, et al. Capsaicin inhibits in vitro and in vivo angiogenesis

Multi-scale Drivers of Spatial Variation in Old-Growth Forest Carbon Density Disentangled with Lidar and an Individual-Based Landscape Model

Creator:: Seidl, Rupert, Spies, Thomas A., Rammer, Werner, Steel, E. Ashley, Pabst, Robert J., and Olsen, Keith
Abstract:: Forest ecosystems are the most important terrestrial carbon (C) storage globally, and presently mitigate anthropogenic climate change by acting as a large and persistent sink for atmospheric CO₂. Yet, forest C density varies greatly in space, both globally and at stand and landscape levels. Understanding the multi-scale drivers of this...
Resource Type:: Article
Full Text:: . Drivers of Variation in Forest Carbon Density 1329 drivers was attributable to stand structure and

Resazurin as a “smart” tracer for quantifying metabolically active transient storage in stream ecosystems

Creator:: Haggerty, Roy, Martí, Eugénia, Argerich, Alba, von Schiller, Daniel, and Grimm, Nancy B.
Abstract:: We propose the experimental use of resazurin (Raz) and develop a metabolically active transient storage (MATS) model to include processes that may provide additional information on transient storage from a biogeochemical perspective in stream ecosystems. Raz is a phenoxazine compound that reduces irreversibly to resorufin (Rru) in the presence of...
Resource Type:: Article

ScholarsArchive@OSU

Microelectrode Velocity Effects and Aquatic Eddy Covariance Measurements under Waves

Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO composites

Quantification of metabolically active transient storage (MATS) in two reaches with contrasting transient storage and ecosystem respiration

Watercolors in the Coastal Zone: What Can We See?

Influence of transient storage on stream nutrient uptake based on substrata manipulation

Water vapor transport in the vicinity of imbibing saline plumes: Homogeneous and layered unsaturated porous media

Juvenile Steller sea lion dive behavior following temporary captivity

Capsaicin represses transcriptional activity of β-catenin in human colorectal cancer cells

Multi-scale Drivers of Spatial Variation in Old-Growth Forest Carbon Density Disentangled with Lidar and an Individual-Based Landscape Model

Resazurin as a “smart” tracer for quantifying metabolically active transient storage in stream ecosystems

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