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Empirical algorithms to estimate water column pH in the Southern Ocean

Creator:: Williams, N. L., Juranek, L. W., Johnson, K. S., Feely, R. A., Riser, S. C., Talley, L. D., Russell, J. L., Sarmiento, J. L., and Wanninkhof, R.
Abstract:: Empirical algorithms are developed using high-quality GO-SHIP hydrographic measurements of commonly measured parameters (temperature, salinity, pressure, nitrate, and oxygen) that estimate pH in the Pacific sector of the Southern Ocean. The coefficients of determination, R² , are 0.98 for pH from nitrate (pH^N) and 0.97 for pH from oxygen (pH^Ox)...
Resource Type:: Article

How Can Present and Future Satellite Missions Support Scientific Studies that Address Ocean Acidification?

Creator:: Salisbury, Joseph, Vandemark, Douglas, Jönsson, Bror, Balch, William, Chakraborty, Sumit, Lohrenz, Steven, Chapron, Bertrand, Hales, Burke, Mannino, Antonio, Mathis, Jeremy T., Reul, Nicolas, Signorini, Sergio R., Wanninkhof, Rik, and Yates, Kimberly K.
Abstract:: Space-based observations offer unique capabilities for studying spatial and temporal dynamics of the upper ocean inorganic carbon cycle and, in turn, supporting research tied to ocean acidification (OA). Satellite sensors measuring sea surface temperature, color, salinity, wind, waves, currents, and sea level enable a fuller understanding of a range of...
Resource Type:: Article
Full Text:: T. Mathis, Nicolas Reul, Sergio R. Signorini, Rik Wanninkhof, and Kimberly K. Yates Oceanography

An update to the Surface Ocean CO₂ Atlas (SOCAT version 2)

Creator:: Bakker, D. C. E., Pfeil, B., Smith, K., Hankin, S., Olsen, A., Alin, S. R., Cosca, C., Harasawa, S., Kozyr, A., Nojiri, Y., O'Brien, K. M., Schuster, U., Telszewski, M., Tilbrook, B., Wada, C., Akl, J., Barbero, L., Bates, N. R., Boutin, J., Bozec, Y., Cai, W.-J., Castle, R. D., Chavez, F. P., Chen, L., Chierici, M., Currie, K., de Baar, H. J. W., Evans, W., Feely, R. A., Fransson, A., Gao, Z., Hales, B., Hardman-Mountford, N. J., Hoppema, M., Huang, W.-J., Hunt, C. W., Huss, B., Ichikawa, T., Johannessen, T., Jones, E. M., Jones, S. D., Jutterström, S., Kitidis, V., Körtzinger, A., Landschützer, P., Lauvset, S. K., Lefèvre, N., Manke, A. B., Mathis, J. T., Merlivat, L., Metzl, N., Murata, A., Newberger, T., Omar, A. M., Ono, T., Park, G.-H., Paterson, K., Pierrot, D., Ríos, A. F., Sabine, C. L., Saito, S., Salisbury, J., Sarma, V. V. S. S., Schlitzer, R., Sieger, R., Skjelvan, I., Steinhoff, T., Sullivan, K. F., Sun, H., Sutton, A. J., Suzuki, T., Sweeney, C., Takahashi, T., Tjiputra, J., Tsurushima, N., van Heuven, S. M. A. C., Vandemark, D., Vlahos, P., Wallace, D. W. R., Wanninkhof, R., and Watson, A. J.
Abstract:: The Surface Ocean CO2 Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO2 (fugacity of carbon dioxide) products for the surface oceans. Version 2 of SOCAT is an update of the previous release (version 1) with more data (increased from 6.3...
Resource Type:: Article
Full Text:: , A., Pfeil, B., Smith, K., Alin, S. R., ... & Murata, A. (2014). An update to the Surface Ocean CO

Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system

Creator:: Ciais, P., Dolman, A. J., Bombelli, A., Duren, R., Peregon, A., Rayner, P. J., Miller, C., Gobron, N., Kinderman, G., Marland, G., Gruber, N., Chevallier, F., Andres, R. J., Balsamo, G., Bopp, L., Bréon, F.-M., Broquet, G., Dargaville, R., Battin, T. J., Borges, A., Bovensmann, H., Buchwitz, M., Butler, J., Canadell, J. G., Cook, R. B., DeFries, R., Engelen, R., Gurney, K. R., Heinze, C., Heimann, M., Held, A., Henry, M., Law, B., Luyssaert, S., Miller, J., Moriyama, T., Moulin, C., Myneni, R. B., Nussli, C., Obersteiner, M., Ojima, D., Pan, Y., Paris, J.-D., Piao, S. L., Poulter, B., Plummer, S., Quegan, S., Raymond, P., Reichstein, M., Rivier, L., Sabine, C., Schimel, D., Tarasova, O., Valentini, R>, Wang, R., van der Werf, G., Wickland, D., Williams, M., and Zehner, C.
Abstract:: A globally integrated carbon observation and analysis system is needed to improve the fundamental understanding of the global carbon cycle, to improve our ability to project future changes, and to verify the effectiveness of policies aiming to reduce greenhouse gas emissions and increase carbon sequestration. Building an integrated carbon observation...
Resource Type:: Article
Full Text:: ., Bombelli, A., Duren, R., Peregon, A., et al. (2014). Current systematic carbon-cycle observations and the

Biology and air–sea gas exchange controls on the distribution of carbon isotope ratios ( delta C-13) in the ocean

Creator:: Schmittner, A., Gruber, N., Mix, A. C., Key, R. M., Tagliabue, A., and Westberry, T. K.
Abstract:: Analysis of observations and sensitivity experiments with a new three-dimensional global model of stable carbon isotope cycling elucidate processes that control the distribution of delta C-13 of dissolved inorganic carbon (DIC) in the contemporary and preindustrial ocean. Biological fractionation and the sinking of isotopically light delta C-13 organic matter from...
Resource Type:: Article
Full Text:: distribution of carbon isotope ratios (δ13C) in the ocean A. Schmittner1, N. Gruber2, A. C. Mix1, R. M. Key3

Seasonal cycle of surface ocean pCO₂ on the Oregon shelf

Creator:: Evans, Wiley, Hales, Burke, and Strutton, Peter G.
Abstract:: Previous work has shown that the Oregon shelf is a sink for atmospheric carbon dioxide (CO₂) during the upwelling season; however, until now, summertime variability in CO₂ exchange and sign of the flux for the rest of the year were unknown. Observations of the partial pressure of CO₂ (pCO₂) in...
Resource Type:: Article
Full Text:: of gas transfer velocity described by Wanninkhof [1992]. A salinity correction of kCO2 was not

Calcium carbonate production response to future ocean warming and acidification

Creator:: Pinsonneault, A. J., Matthews, H. D., Galbraith, E. D., and Schmittner, A.
Abstract:: Anthropogenic carbon dioxide (CO₂) emissions are acidifying the ocean, affecting calcification rates in pelagic organisms, and thereby modifying the oceanic carbon and alkalinity cycles. However, the responses of pelagic calcifying organisms to acidification vary widely between species, contributing uncertainty to predictions of atmospheric CO₂ and the resulting climate change. At...
Resource Type:: Article

The deglacial transition on the southeastern Alaska Margin: Meltwater input, sea level rise, marine productivity, and sedimentary anoxia

Creator:: Davies, M. H., Mix, A. C., Stoner, J. S., Addison, J. A., Jaeger, J., Finney, B., and Wiest, J.
Abstract:: Oxygen isotope data from planktonic and benthic foraminifera, on a high-resolution age model (44 ¹⁴C dates spanning 17,400 years), document deglacial environmental change on the southeast Alaska margin (59°33.32′N, 144°9.21′W, 682 m water depth). Surface freshening (i.e., δ¹⁸O reduction of 0.8‰) began at 16,650 ± 170 cal years B.P. during...
Resource Type:: Article
Full Text:: measurements (r = 0.91, n = 1122, p < 0.0001; Figure 2). 3.4. Stable Isotope Measurements [17] Raw sediment

Experimental assessment of diazotroph responses to elevated seawater pCO₂ in the North Pacific Subtropical Gyre

Creator:: Böttjer, Daniela, Karl, David M., Letelier, Ricardo M., Viviani, Donn A., and Church, Matthew J.
Abstract:: We examined short-term (24–72 h) responses of naturally occurringmarine N2 fixing microorganisms (termed diazotrophs) to abrupt increases in the partial pressure of carbon dioxide (pCO2) in seawater during nine incubation experiments conducted between May 2010 and September 2012 at Station ALOHA (A Long-term Oligotrophic Habitat Assessment) (22°45′N, 158°W) in the...
Resource Type:: Article
Full Text:: elevated seawater pCO₂ in the North Pacific Subtropical Gyre Böttjer, D., D. M. Karl, R. M. Letelier, D

Carbonates dissolution and precipitation in hemipelagic sediments overlaid by supersaturated bottom-waters - Gulf of Aqaba, Red Sea

Creator:: Steiner, Zvi, Lazar, Boaz, Reimers, Clare E., and Erez, Jonathan
Abstract:: Whether CaCO₃ dissolves within the top centimeters of marine sediments overlaid by deep, supersaturated bottom waters remains an area of debate in geochemistry. This uncertainty stems from the fact that different methods used to assess CaCO₃ dissolution rates often provide what appear to be profoundly different results. Here we combine...
Resource Type:: Article
Full Text:: ) and used for its calibration. y = 2.3971x - 2.3215 R² = 1.0000 0 50 100 150 200 250 0 50 100

ScholarsArchive@OSU

Empirical algorithms to estimate water column pH in the Southern Ocean

How Can Present and Future Satellite Missions Support Scientific Studies that Address Ocean Acidification?

An update to the Surface Ocean CO₂ Atlas (SOCAT version 2)

Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system

Biology and air–sea gas exchange controls on the distribution of carbon isotope ratios ( delta C-13) in the ocean

Seasonal cycle of surface ocean pCO₂ on the Oregon shelf

Calcium carbonate production response to future ocean warming and acidification

The deglacial transition on the southeastern Alaska Margin: Meltwater input, sea level rise, marine productivity, and sedimentary anoxia

Experimental assessment of diazotroph responses to elevated seawater pCO₂ in the North Pacific Subtropical Gyre

Carbonates dissolution and precipitation in hemipelagic sediments overlaid by supersaturated bottom-waters - Gulf of Aqaba, Red Sea

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