Search Results - "van der Merwe, Pier"

Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples by Wuttig, Kathrin, Townsend, Ashley T., van der Merwe, Pier, Gault-Ringold, Melanie, Holmes, Thomas, Schallenberg, Christina, Latour, Pauline, Tonnard, Manon, Rijkenberg, Micha J.A., Lannuzel, Delphine, Bowie, Andrew R.

“…A seawater preconcentration system (seaFAST) with offline sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) detection was critically…”
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Role of sea ice in global biogeochemical cycles: emerging views and challenges by Vancoppenolle, Martin, Meiners, Klaus M., Michel, Christine, Bopp, Laurent, Brabant, Frédéric, Carnat, Gauthier, Delille, Bruno, Lannuzel, Delphine, Madec, Gurvan, Moreau, Sébastien, Tison, Jean-Louis, van der Merwe, Pier

“…Observations from the last decade suggest an important role of sea ice in the global biogeochemical cycles, promoted by (i) active biological and chemical…”
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Distribution of dissolved iron in Antarctic sea ice: Spatial, seasonal, and inter-annual variability by Lannuzel, Delphine, Schoemann, Véronique, de Jong, Jeroen, Pasquer, Bénédicte, van der Merwe, Pier, Masson, Florence, Tison, Jean-Louis, Bowie, Andrew

“…Results from recent field studies in Antarctic sea ice show no clear differences in dissolved iron (dFe) concentrations between pack ice sampled in East…”
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Distribution of dissolved and particulate metals in Antarctic sea ice by Lannuzel, Delphine, Bowie, Andrew R., van der Merwe, Pier C., Townsend, Ashley T., Schoemann, Véronique

“…Samples were collected in East Antarctic sea ice in late winter/early austral spring 2007 to assess the distributions of Al, Cr, Mn, Cu, Zn, Mo, Cd and Ba…”
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Size fractionation and bioavailability of iron released from melting sea ice in a subpolar marginal sea by Kanna, Naoya, Lannuzel, Delphine, van der Merwe, Pier, Nishioka, Jun

“…We incubated Fe-limited seawater with sea-ice sections to evaluate which forms of iron (Fe) released from melting sea ice can favor phytoplankton growth…”
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Manganese biogeochemistry in the Southern Ocean, from Tasmania to Antarctica by Latour, Pauline, Wuttig, Kathrin, van der Merwe, Pier, Strzepek, Robert F., Gault‐Ringold, Melanie, Townsend, Ashley T., Holmes, Thomas M., Corkill, Matthew, Bowie, Andrew R.

“…Manganese (Mn) is an abundant element in the Earth's crust. However, its concentrations in open ocean seawater are low, where external inputs are scarce. In…”
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Iron availability influences nutrient drawdown in the Heard and McDonald Islands region, Southern Ocean by Holmes, Thomas M., Wuttig, Kathrin, Chase, Zanna, van der Merwe, Pier, Townsend, Ashley T., Schallenberg, Christina, Tonnard, Manon, Bowie, Andrew R.

“…At the southern part of the northern Kerguelen Plateau (Southern Ocean) is an active volcanic hotspot, hosting volcanically active Heard Island and McDonald…”
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Organic ligands control the concentrations of dissolved iron in Antarctic sea ice by Lannuzel, Delphine, Grotti, Marco, Abelmoschi, Marie Luisa, van der Merwe, Pier

“…The organic complexation of dissolved iron (DFe) was assessed in 5 snow, 34 sea ice, 12 brine and 24 under-ice seawater samples collected during a 22day time…”
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Mechanistic Constraints on the Drivers of Southern Ocean Meridional Iron Distributions Between Tasmania and Antarctica by Traill, Christopher D., Conde‐Pardo, Paula, Rohr, Tyler, Merwe, Pier, Townsend, Ashley T., Latour, Pauline, Gault‐Ringold, Melanie, Wuttig, Kathrin, Corkill, Matthew, Holmes, Thomas M., Warner, Mark J., Shadwick, Elizabeth, Bowie, Andrew R.

“…While modeling efforts have furthered our understanding of marine iron biogeochemistry and its influence on carbon sequestration, observations of dissolved…”
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Insights Into the Biogeochemical Cycling of Iron, Nitrate, and Phosphate Across a 5,300 km South Pacific Zonal Section (153°E–150°W) by Ellwood, Michael J., Bowie, Andrew R., Baker, Alex, Gault‐Ringold, Melanie, Hassler, Christel, Law, Cliff S., Maher, William A., Marriner, Andrew, Nodder, Scott, Sander, Sylvia, Stevens, Craig, Townsend, Ashley, Merwe, Pier, Woodward, E. Malcolm S., Wuttig, Kathrin, Boyd, Philip W.

“…Iron, phosphate, and nitrate are essential nutrients for phytoplankton growth, and hence, their supply into the surface ocean controls oceanic primary…”
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Southern Ocean iron fertilization by baleen whales and Antarctic krill by Nicol, Stephen, Bowie, Andrew, Jarman, Simon, Lannuzel, Delphine, Meiners, Klaus M, van der Merwe, Pier

“…Iron is the limiting micronutrient in the Southern Ocean and experiments have demonstrated that addition of soluble iron to surface waters results in…”
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Size fractionation of iron, manganese and aluminium in Antarctic fast ice reveals a lithogenic origin and low iron solubility by LANNUZEL, Delphine, VAN DER MERWE, Pier C, TOWNSEND, Ashley T, BOWIE, Andrew R

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Dissolved iron in the North Atlantic Ocean and Labrador Sea along the GEOVIDE section (GEOTRACES section GA01) by Tonnard, Manon, Planquette, Hélène, Bowie, Andrew R, van der Merwe, Pier, Gallinari, Morgane, Desprez de Gésincourt, Floriane, Germain, Yoan, Gourain, Arthur, Benetti, Marion, Reverdin, Gilles, Tréguer, Paul, Boutorh, Julia, Cheize, Marie, Lacan, François, Menzel Barraqueta, Jan-Lukas, Pereira-Contreira, Leonardo, Shelley, Rachel, Lherminier, Pascale, Sarthou, Géraldine

“…Dissolved Fe (DFe) samples from the GEOVIDE voyage (GEOTRACES GA01, May–June 2014) in the North Atlantic Ocean were analyzed using a seaFAST-pico™ coupled to…”
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Iron biogeochemistry in Antarctic pack ice during SIPEX-2 by Lannuzel, Delphine, Chever, Fanny, van der Merwe, Pier C., Janssens, Julie, Roukaerts, Arnout, Cavagna, Anne-Julie, Townsend, Ashley T., Bowie, Andrew R., Meiners, Klaus M.

“…Our study quantified the spatial and temporal distribution of Fe and ancillary biogeochemical parameters at six stations visited during an interdisciplinary…”
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Seasonality of phytoplankton growth limitation by iron and manganese in subantarctic waters by Latour, Pauline, Strzepek, Robert F., Wuttig, Kathrin, van der Merwe, Pier, Bach, Lennart T., Eggins, Sam, Boyd, Philip W., Ellwood, Michael J., Pinfold, Terry L., Bowie, Andrew R.

“…Phytoplankton indirectly influence climate through their role in the ocean biological carbon pump. In the Southern Ocean, the subantarctic zone represents an…”
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Dissolved iron and iron(II) distributions beneath the pack ice in the East Antarctic (120°E) during the winter/spring transition by Schallenberg, Christina, van der Merwe, Pier, Chever, Fanny, Cullen, Jay T., Lannuzel, Delphine, Bowie, Andrew R.

“…Distributions of dissolved iron (dFe) and its reduced form, Fe(II), to a depth of 1000m were investigated under the seasonal pack ice off East Antarctica…”
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Modern sampling and analytical methods for the determination of trace elements in marine particulate material using magnetic sector inductively coupled plasma–mass spectrometry by Bowie, Andrew R., Townsend, Ashley T., Lannuzel, Delphine, Remenyi, Tomas A., van der Merwe, Pier

“…Trace elements often limit phytoplankton growth in the ocean, and the quantification of particulate forms is essential to fully understand their biogeochemical…”
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Spatial and seasonal distribution of dissolved and particulate bioactive metals in Antarctic sea ice by Duprat, Luis, Townsend, Ashley T., van der Merwe, Pier, Meiners, Klaus M., Lannuzel, Delphine

“…Iron (Fe) has been shown to limit growth of marine phytoplankton in the Southern Ocean, regulating phytoplankton productivity and species composition, yet does…”
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Characterization of a Southern Ocean deep chlorophyll maximum: Response of phytoplankton to light, iron, and manganese enrichment by Latour, Pauline, Eggins, Sam, Merwe, Pier, Bach, Lennart T., Boyd, Philip W., Ellwood, Michael J., Bowie, Andrew R., Wuttig, Kathrin, Strzepek, Robert F.

“…Southern Ocean phytoplankton growth is limited by low iron (Fe) supply and irradiance, impacting the strength of the biological carbon pump. Unfavorable upper…”
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The characteristics of dissolved organic matter (DOM) and chromophoric dissolved organic matter (CDOM) in Antarctic sea ice by Norman, Louiza, Thomas, David N., Stedmon, Colin A., Granskog, Mats A., Papadimitriou, Stathys, Krapp, Rupert H., Meiners, Klaus M., Lannuzel, Delphine, van der Merwe, Pier, Dieckmann, Gerhard S.

“…An investigation of coloured dissolved organic matter (CDOM) and its relationships to physical and biogeochemical parameters in Antarctic sea ice and oceanic…”
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