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Filtering by: Creator Newhouse, C. J. Remove constraint Creator: Newhouse, C. J. Academic Affiliation College of Oceanic and Atmospheric Sciences Remove constraint Academic Affiliation: College of Oceanic and Atmospheric Sciences Has journal sim Geophysical Research Letters Remove constraint Has journal sim: Geophysical Research Letters

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Oceanic phosphorus imbalance : magnitude of the mid-ocean ridge flank hydrothermal sink

Creator:

Wheat, C. Geoffrey, McManus, James, Mottl, Michael J., and Giambalvo, Emily

Abstract:

We present a new estimate for the crustal phosphorous sink that results from reactions among seawater, basalt, and sediment blanketing low temperature mid-ocean ridge flank hydrothermal systems. New estimates for global hydrothermal power output, sediment thickness, and the dissolved phosphate concentrations in basement formation fluids indicate that fluid flow through...

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-ocean ridge flank hydrothermal sink C. Geoffrey Wheat,1 James McManus,2 Michael J. Mottl,3 and Emily
Potential for non-destructive astrochemistry using the ExoMars PanCam

Creator:

Storrie-Lombardi, Michael C., Muller, J.-P., Fisk, Martin R., Griffiths, A. D., and Coates, A. J.

Abstract:

We investigate the utility of adding a 365 nm ultraviolet (UV) light source to the ExoMars panoramic camera (PanCam) scheduled for launch in 2013. The modification makes it feasible to monitor rover drill cuttings for aromatic organic molecules and provide constraints on polycyclic aromatic hydrocarbons (PAH) as a function of...

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the ExoMars PanCam Michael C. Storrie-Lombardi,1 J.-P. Muller,2,3 M. R. Fisk,4 A. D. Griffiths,2,3
Crustal‐scale pure shear foreland deformation of western Argentina

Creator:

Meigs, Andrew J. and Nábělek, John

Abstract:

New analyses of teleseismic body waves from moderate earthquakes in western Argentina demonstrate that active shortening of the Andean foreland occurs on reverse faults extending to 40–50 km depth. Existing crustal‐scale models of foreland deformation invoke thin‐skinned fault geometries, which root into an east‐dipping mid‐crustal décollement. Whereas thin‐skinned thrust sheets...

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, Tectonics, 2(6), 529–563, doi:10.1029/ TC002i006p00529. Costa, C. H., T. Rockwell, J. Paredes, and C
A novel method for determination of aragonite saturation state on the continental shelf of central Oregon using multi-parameter relationships with hydrographic data

Creator:

Juranek, L. W., Freely, R. A., Peterson, W. T., Alin, S. R., Hales, Burke, Lee, K., Sabine, C. L., and Peterson, J.

Abstract:

We developed a multiple linear regression model to robustly determine aragonite saturation state (Ωarag) from observations of temperature and oxygen (R² = 0.987, RMS error 0.053), using data collected in the Pacific Northwest region in late May 2007. The seasonal evolution of Ωarag near central Oregon was evaluated by applying...

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: Juranek, L. W., R. A. Feely, W. T. Peterson, S. R. Alin, B. Hales, K. Lee, C. L. Sabine, and J. Peterson
Internal‐tide generation and destruction by shoaling internal tides

Creator:

Kelly, S. M. and Nash, J. D.

Abstract:

Internal‐tide generation is usually predicted from local topography, surface tides, and stratification. However, internal tides are often observed to be unrelated to local spring‐neap forcing, appearing intermittently in 3–5 day bursts. Here we suggest a source of this intermittency by illustrating how remotely‐generated shoaling internal tides induce first‐order changes in...

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. Phys. Oceanogr., 33, 1733–1757. Lerczak, J., C. Winant, and M. Hendershott (2003), Observations of the
Chlorophyll variability in eastern boundary currents

Creator:

Thomas, A. C., Carr, M. E., and Strub, P. Ted

Abstract:

The first three years of SeaWiFS data (1997-2000) provide the most complete quantification to date of chlorophyll seasonal variability along the full latitudinal extent of the four major eastern boundary currents (EBCs). Comparisons to previously published chlorophyll seasonal climatologies deduced from the relatively sparse coverage provided by the Coastal Zone...

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' EASTERN BOUNDARY CURRENT CHLOROPHYLL a) 10 > ............................... •],,;•j SONDJ FMAMJ J A
Global observations of large oceanic eddies

Creator:

Chelton, Dudley B., Schlax, Michael C., Samelson, Roger M., and de Szoeke, Roland A.

Abstract:

Ten years of sea-surface height (SSH) fields constructed from the merged TOPEX/Poseidon (T/P) and ERS-1/2 altimeter datasets are analyzed to investigate mesoscale variability in the global ocean. The higher resolution of the merged dataset reveals that more than 50% of the variability over much of the World Ocean is accounted...

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and the oceanic eddy field, J. Phys. Oceanogr., 34, 2027–2041. McWilliams, J. C., and G. R. Flierl
Nitrogen isotope simulations show the importance of atmospheric iron deposition for nitrogen fixation across the Pacific Ocean

Creator:

Somes, Christopher J., Schmittner, Andreas, and Altabet, Mark A.

Abstract:

Nitrogen (N) fixation by specialized microorganisms (diazotrophs) influences global plankton productivity because it provides the ocean with most of its bio-available N. However, its global rate and large-scale spatial distribution is still regarded with considerable uncertainty. Here we use a global ocean nitrogen isotope model, in comparison with δ15NO3 observations,...

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ocean.Citation: Somes, 26 C. J., A. Schmittner, and M. A. Altabet (2010), Nitrogen isotope 27 simulations show
Possible emplacement of crustal rocks into the forearc mantle of the Cascadia Subduction Zone

Creator:

Calvert, Andrew J., Fisher, Michael A., Ramachandran, Kumar, and Tréhu, Anne Martine

Abstract:

Seismic reflection profiles shot across the Cascadia forearc show that a 5–15 km thick band of reflections, previously interpreted as a lower crustal shear zone above the subducting Juan de Fuca plate, extends into the upper mantle of the North American plate, reaching depths of at least 50 km. In...

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subducting Juan de Fuca plate, Geology, 18, 1091–1094, 1990. Clowes, R. M., M. T. Brandon, A. G. Green, C. J
Atomspheric driving forces for the Agulhas Current in the subtropics

Creator:

Fetter, A., Lutjeharms, J. R. E., and Matano, Ricardo P.

Abstract:

The Agulhas Current is the western boundary current of the South Indian Ocean and is thought to play an important role in the global overturning circulation. In this study, we investigate the contribution from the wind stress field over each ocean basin of the southern hemisphere to the variability of...

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–5176. Biastoch, A., C. J. C. Reason, J. R. E. Lutjeharms, and O. Boebel (1999), The importance of flow

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College of Oceanic and Atmospheric Sciences[remove]28
Geosciences3

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Chelton, Dudley B.3
Strub, P. Ted3
Barth, John A.2
de Szoeke, Roland A.2
Egbert, Gary D.2
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