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Deeply dredged submarine HIMU glasses from the Tuvalu Islands, Polynesia: Implications for volatile budgets of recycled oceanic crust

Creator:: Jackson, M. G., Koga, K. T., Price, A., Koppers, A. A. P., Finlayson, V. A., Konrad, K., Hauri, E. H., Kylander-Clark, A., Kelley, K. A., and Kendrick, M. A.
Abstract:: Ocean island basalts (OIB) with extremely radiogenic Pb-isotopic signatures are melts of a mantle component called HIMU (high µ, high ²³⁸U/²⁰⁴Pb). Until now, deeply dredged submarine HIMU glasses have not been available, which has inhibited complete geochemical (in particular, volatile element) characterization of the HIMU mantle. We report major, trace...
Resource Type:: Article
Full Text:: at subduction zones [e.g., Gast et al., 1964; White and Hofmann, 1982; Hofmann and White, 1982

Ghost factors of laboratory carbonate chemistry are haunting our experiments

Creator:: Galloway, A. W. E., von Dassow, G., Schram, J. B., Klinger, T., Hill, T. M., Lowe, A. T., Chan, F., Yoshioka, R. M., and Kroeker, K. J.
Abstract:: For many historical and contemporary experimental studies in marine biology, seawater carbonate chemistry remains a ghost factor, an uncontrolled, unmeasured, and often dynamic variable affecting experimental organisms or the treatments to which investigators subject them. We highlight how environmental variability, such as seasonal upwelling and biological respiration, drive variation in...
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Full Text:: al., 2010; Clem- ents and Hunt, 2015; Nagelkerken and Munday, 2016; but also see Clark et al., 2020

Temporal and geochemical variability of volcanic products of the Marquesas hotspot

Creator:: Desonie, Dana L., Duncan, Robert A., and Natland, J. H.
Abstract:: The Marquesas archipelago is a short. NW-SE trending cluster of islands and seamounts that formed as a result of volcanic activity over a weak hotspot. This volcanic chain lies at the northern margin of a broad region of warm and compositionally diverse mantle that melts to build several other subparallel...
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Full Text:: plume flow [White and Hofmann, 1982]. The Darwin Rise [McNutt and Judge, 1990] and the western Pacific

Ocean acidification stress index for shellfish (OASIS): Linking Pacific oyster larval survival and exposure to variable carbonate chemistry regimes

Creator:: Hales, Burke, Gimenez, Iria, and Waldbusser, George G.
Abstract:: Understanding larval bivalve responses to variable regimes of seawater carbonate chemistry requires realistic quantification of physiological stress. Based on a degree-day modeling approach, we developed a new metric, the ocean acidification stress index for shellfish (OASIS), for this purpose. OASIS integrates over the entire larval period the instantaneous stress associated...
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Full Text:: growth after eight days. Clark and Gobler (2016) also found both positive and negative effects on three

Climatically driven changes in oceanic processes throughout the equatorial Pacific

Creator:: Paytan, Adina, Lyle, Mitchell, Mix, Alan C., and Chase, Zanna
Abstract:: The mass accumulation rates of sedimentary components (carbonate, organic carbon, opal, barite, reactive phosphate, iron, terrigenous minerals, etc.) are used in many paleoceanographic reconstructions to learn about temporal and spatial changes in surficial Earth processes including wind stress and direction, oceanic circulation, weathering rates, marine productivity and ecosystem structure, climate...
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Full Text:: , 7–23. Anderson, R. F., Y. Lao, W. S. Broecker, S. E. Trumbore, W. S. Hofmann, and W. Wolfli (1990

Getting Explicit about the Implicit: A Taxonomy of Implicit Measures and Guide for their Use in Organizational Research

Creator:: Uhlmann, Eric Luis, Leavitt, Keith, Menges, Jochen I., Koopman, Joel, Howe, Michael, and Johnson, Russell E.
Abstract:: Accumulated evidence from social and cognitive psychology suggests that many behaviors are driven by processes operating outside of awareness, and an array of implicit measures to capture such processes have been developed. Despite their potential application, implicit measures have received relatively modest attention within the organizational sciences, due in part...
Resource Type:: Article
Full Text:: through traditional self-report methodologies. To give one example of an illustrative study, Hofmann

Comparison of larval development in domesticated and naturalized stocks of the Pacific oyster Crassostrea gigas exposed to high pCO₂ conditions

Creator:: Durland, Evan, Waldbusser, George, and Langdon, Chris
Abstract:: Ocean acidification (OA) has had significant negative effects on oyster populations on the west coast of North America over the past decade. Many studies have focused on the physiological challenges experienced by young oyster larvae in high pCO₂/low pH seawater with reduced aragonite saturation state (Ωarag), which is characteristic of...
Resource Type:: Article
Full Text:: and adaptive capacity to OA observed in other marine invertebrates (Kelly & Hofmann 2013, Sun- day et

Uncertainty and Precautionary Management of Marine Fisheries: Can the Old Methods Fit the New Mandates?

Creator:: Weeks, Hal and Berkeley, Steve
Abstract:: Continued stock declines in marine fisheries have resulted in a search for more risk-averse management approaches. In response, the Sustainable Fisheries Act of 1996 mandates habitat protection, bs catch reduction, and stock rebuilding. These changes emphasize precaution, and imply a shift in focus from maximizing yields to minimizing ecological impacts...
Resource Type:: Article
Full Text:: productivity patterns (Hofmann and Powell 1998; Steele 1998). Fifth, ecological communities may have multiple

Southern Ocean control of glacial AMOC stability and Dansgaard-Oeschger interstadial duration

Creator:: Buizert, Christo and Schmittner, Andreas
Abstract:: Glacial periods exhibit abrupt Dansgaard-Oeschger (DO) climatic oscillations that are thought to be linked to instabilities in the Atlantic meridional overturning circulation (AMOC). Great uncertainty remains regarding the dynamics of the DO cycle, as well as controls on the timing and duration of individual events. Using ice core data we...
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Full Text:: ., Oppo and Lehman, 1995; Curry and Oppo, 1997; Zahn et al., 1997; Keigwin and Boyle, 1999; Clark et al

Peroxiredoxins in Parasites

Creator:: Gretes, Michael C., Poole, Leslie B., and Karplus, P. Andrew
Abstract:: Significance: Parasite survival and virulence relies on effective defenses against reactive oxygen and nitrogen species produced by the host immune system. Peroxiredoxins (Prxs) are ubiquitous enzymes now thought to be central to such defenses and, as such, have potential value as drug targets and vaccine antigens. Recent Advances: Plasmodial and...
Resource Type:: Article

ScholarsArchive@OSU

Deeply dredged submarine HIMU glasses from the Tuvalu Islands, Polynesia: Implications for volatile budgets of recycled oceanic crust

Ghost factors of laboratory carbonate chemistry are haunting our experiments

Temporal and geochemical variability of volcanic products of the Marquesas hotspot

Ocean acidification stress index for shellfish (OASIS): Linking Pacific oyster larval survival and exposure to variable carbonate chemistry regimes

Climatically driven changes in oceanic processes throughout the equatorial Pacific

Getting Explicit about the Implicit: A Taxonomy of Implicit Measures and Guide for their Use in Organizational Research

Comparison of larval development in domesticated and naturalized stocks of the Pacific oyster Crassostrea gigas exposed to high pCO₂ conditions

Uncertainty and Precautionary Management of Marine Fisheries: Can the Old Methods Fit the New Mandates?

Southern Ocean control of glacial AMOC stability and Dansgaard-Oeschger interstadial duration

Peroxiredoxins in Parasites

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