Search Results - "Boyd, P.W."

Exploring the ecology of the mesopelagic biological pump by Cavan, E.L., Laurenceau-Cornec, E.C., Bressac, M., Boyd, P.W.

“…•A vast amount is known on role of surface ocean ecology and carbon cycle.•Large gaps in knowledge on mesopelagic ecological processes affecting carbon…”
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Aerosol iron deposition to the surface ocean — Modes of iron supply and biological responses by Boyd, P.W., Mackie, D.S., Hunter, K.A.

“…In the last two decades the role of aerosol iron supply to the ocean has received growing attention. Research has mainly focused on three themes — how much…”
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Global Iron Connections Between Desert Dust, Ocean Biogeochemistry, and Climate by Jickells, T. D, An, Z. S, Andersen, K. K, Baker, A. R, Bergametti, G, Brooks, N, Cao, J. J, Boyd, P. W, Duce, R. A, Hunter, K. A, Kawahata, H, Kubilay, N, laRoche, J, Liss, P. S, Mahowald, N, Prospero, J. M, Ridgwell, A. J, Tegen, I, Torres, R

“…The environmental conditions of Earth, including the climate, are determined by physical, chemical, biological, and human interactions that transform and…”
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Temporal variation of dissolved methane in a subtropical mesoscale eddy during a phytoplankton bloom in the southwest Pacific Ocean by Weller, D.I, Law, C.S, Marriner, A, Nodder, S.D, Chang, F.H, Stephens, J.A, Wilhelm, S.W, Boyd, P.W, Sutton, P.J.H

“…A multi-disciplinary examination of the drivers of dissolved methane was carried out during a phytoplankton bloom located in a subtropical mesoscale eddy. This…”
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VERTIGO (VERtical Transport In the Global Ocean): A study of particle sources and flux attenuation in the North Pacific by Buesseler, K.O., Trull, T.W., Steinberg, D.K., Silver, M.W., Siegel, D.A., Saitoh, S.-I., Lamborg, C.H., Lam, P.J., Karl, D.M., Jiao, N.Z., Honda, M.C., Elskens, M., Dehairs, F., Brown, S.L., Boyd, P.W., Bishop, J.K.B., Bidigare, R.R.

“…The VERtical Transport In the Global Ocean (VERTIGO) study examined particle sources and fluxes through the ocean's “twilight zone” (defined here as depths…”
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Iron-mediated changes in phytoplankton photosynthetic competence during SOIREE by Boyd, P.W, Abraham, E.R

“…Active fluorescence (fast repetition rate fluorometry, FRRF) was used to follow the photosynthetic response of the phytoplankton community during the 13-day…”
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Does planktonic community structure determine downward particulate organic carbon flux in different oceanic provinces? by Boyd, P.W., Newton, P.P.

“…A previous study based on data from a NE Atlantic site provided evidence, using an existing foodweb/vertical-flux modelling approach, that the size-structure…”
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Barium in twilight zone suspended matter as a potential proxy for particulate organic carbon remineralization: Results for the North Pacific by Dehairs, F., Jacquet, S., Savoye, N., Van Mooy, B.A.S., Buesseler, K.O., Bishop, J.K.B., Lamborg, C.H., Elskens, M., Baeyens, W., Boyd, P.W., Casciotti, K.L., Monnin, C.

“…This study focuses on the fate of exported organic carbon in the twilight zone at two contrasting environments in the North Pacific: the oligotrophic ALOHA…”
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Fe and Zn effects on the Si cycle and diatom community structure in two contrasting high and low-silicate HNLC areas by Leblanc, K., Hare, C.E., Boyd, P.W., Bruland, K.W., Sohst, B., Pickmere, S., Lohan, M.C., Buck, K., Ellwood, M., Hutchins, D.A.

“…We compared the importance of Fe, Zn and Si availability for diatom growth and silicification through microcosm enrichment experiments in two contrasting HNLC…”
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Phytoplankton processes. Part 1: Community structure during the Southern Ocean Iron RElease Experiment (SOIREE) by Gall, M.P, Boyd, P.W, Hall, J, Safi, K.A, Chang, H

“…The first in situ iron-fertilisation in polar Southern Ocean waters, SOIREE (Southern Ocean Iron RElease Experiment) was a mesoscale, 13-day experiment that…”
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Modeling studies investigating the causes of preferential depletion of silicic acid relative to nitrate during SERIES, a mesoscale iron enrichment in the NE subarctic Pacific by Takeda, S., Yoshie, N., Boyd, P.W., Yamanaka, Y.

“…Numerical modeling experiments were conducted to examine the reasons for observed changes in the silicic acid ([Si(OH) 4]) to nitrate ( [ NO 3 - ] ) drawdown…”
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Size-fractionated primary production and nitrogen uptake during a North Atlantic phytoplankton bloom: implications for carbon export estimates by Bury, S.J, Boyd, P.W, Preston, T, Savidge, G, Owens, N.J.P

“…A Lagrangian experiment was set up at 47°N 20°W in the northeast Atlantic as part of the Joint Global Ocean Flux Study (JGOFS) programme. As an integral part…”
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Understanding the export of biogenic particles in oceanic waters: Is there consensus? by Boyd, P.W., Trull, T.W.

“…We examine progress towards a global view of oceanic export of particulate organic carbon (POC) and other nutrient elements (P, N, Si) from the surface (upper…”
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Using the L concept to explore controls on the relationship between paired ligand and dissolved iron concentrations in the ocean by Boyd, P.W., Tagliabue, A.

“…Ligand (L) dynamics are inextricably linked to iron biogeochemistry, and their binding characteristics define much of the oceanic distributions of dissolved…”
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Mesozooplankton grazing manipulations during in vitro iron enrichment studies in the NE subarctic Pacific by Boyd, P.W., Goldblatt, R.H., Harrison, P.J.

“…IronEx I demonstrated a rapid and marked response by grazers to Fe-induced increases in phytoplankton stocks, which was thought to be due, in part, to arrested…”
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Coastal ocean and shelf-sea biogeochemical cycling of trace elements and isotopes: lessons learned from GEOTRACES by Charette, Matthew A., Lam, Phoebe J., Lohan, Maeve C., Kwon, Eun Young, Hatje, Vanessa, Jeandel, Catherine, Shiller, Alan M., Cutter, Gregory A., Thomas, Alex, Boyd, Philip W., Homoky, William B., Milne, Angela, Thomas, Helmuth, Andersson, Per S., Porcelli, Don, Tanaka, Takahiro, Geibert, Walter, Dehairs, Frank, Garcia-Orellana, Jordi

“…Continental shelves and shelf seas play a central role in the global carbon cycle. However, their importance with respect to trace element and isotope (TEI)…”
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Particulate iron dynamics during FeCycle in subantarctic waters southeast of New Zealand by Frew, R. D., Hutchins, D. A., Nodder, S., Sanudo-Wilhelmy, S., Tovar-Sanchez, A., Leblanc, K., Hare, C. E., Boyd, P. W.

“…The FeCycle experiment provided an SF6 labeled mesoscale patch of high‐nitrate low‐chlorophyll (HNLC) water in austral summer 2003. These labeled waters…”
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Quantifying the surface–subsurface biogeochemical coupling during the VERTIGO ALOHA and K2 studies by Boyd, Philip W., Gall, Mark P., Silver, Mary W., Coale, Susan L., Bidigare, Robert R., Bishop, James L.K.B.

“…A central question addressed by the VERtical Transport In the Global Ocean (VERTIGO) study was ‘What controls the efficiency of particle export between the…”
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FeCycle: Attempting an iron biogeochemical budget from a mesoscale SF6 tracer experiment in unperturbed low iron waters by Boyd, P. W., Law, C. S., Hutchins, D. A., Abraham, E. R., Croot, P. L., Ellwood, M., Frew, R. D., Hadfield, M., Hall, J., Handy, S., Hare, C., Higgins, J., Hill, P., Hunter, K. A., LeBlanc, K., Maldonado, M. T., McKay, R. M., Mioni, C., Oliver, M., Pickmere, S., Pinkerton, M., Safi, K., Sander, S., Sanudo-Wilhelmy, S. A., Smith, M., Strzepek, R., Tovar-Sanchez, A., Wilhelm, S. W.

“…An improved knowledge of iron biogeochemistry is needed to better understand key controls on the functioning of high‐nitrate low‐chlorophyll (HNLC) oceanic…”
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Development of a robust marine ecosystem model to predict the role of iron in biogeochemical cycles: A comparison of results for iron-replete and iron-limited areas, and the SOIREE iron-enrichment experiment by Fasham, M.J.R., Flynn, K.J., Pondaven, P., Anderson, T.R., Boyd, P.W.

“…A new mixed layer multi-nutrient ecosystem model, incorporating diatoms, non-diatoms and zooplankton, is described that models the role of iron in marine…”
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