Search Results - "Barber, R T"

A rising tide lifts all phytoplankton: Growth response of other phytoplankton taxa in diatom-dominated blooms by Barber, R. T., Hiscock, M. R.

“…Oceanic phytoplankton assemblages composed predominantly of picophytoplankton respond to the onset of favorable growth conditions with diatom‐dominated blooms,…”
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Modeling responses of diatom productivity and biogenic silica export to iron enrichment in the equatorial Pacific Ocean by Chai, F., Jiang, M.-S., Chao, Y., Dugdale, R. C., Chavez, F., Barber, R. T.

“…Using a three‐dimensional physical‐biogeochemical model, we have investigated the modeled responses of diatom productivity and biogenic silica export to iron…”
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Testing the iron hypothesis in ecosystems of the equatorial Pacific Ocean by Martin, J. H, Coale, K. H, Johnson, K. S, Fitzwater, S. E, Gordon, R. M, Tanner, S. J, Hunter, C. N, Elrod, V. A, Nowicki, J. L, Coley, T. L, Barber, R. T, Lindley, S, Watson, A. J, Van Scoy, K, Law, C. S, Liddicoat, M. I, Ling, R, Stanton, T, Stockel, J, Collins, C, Anderson, A, Bidigare, R, Ondrusek, M, Latasa, M, Millero, F. J, Lee, K, Yao, W, Zhang, J. Z, Friederich, G, Sakamoto, C, Chavez, F, Buck, K, Kolber, Z, Greene, R, Falkowski, P, Chisholm, S. W, Hoge, F, Swift, R, Yungel, J, Turner, S, Nightingale, P, Hatton, A, Liss, P, Tindale, N. W

“…The idea that iron might limit phytoplankton growth in large regions of the ocean has been tested by enriching an area of 64 km2 in the open equatorial Pacific…”
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One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part I: model development and silicon and nitrogen cycle by Chai, F., Dugdale, R.C., Peng, T.-H., Wilkerson, F.P., Barber, R.T.

“…A one-dimensional ecosystem model was developed for the equatorial Pacific upwelling system, and the model was used to study nitrogen and silicon cycle in the…”
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A database of ocean primary productivity from the 14C method by Marra, J. F., Barber, R. T., Barber, E., Bidigare, R. R., Chamberlin, W. S., Goericke, R., Hargreaves, B. R., Hiscock, M., Iturriaga, R., Johnson, Z. I., Kiefer, D. A., Kinkade, C., Knudson, C., Lance, V., Langdon, C., Lee, Z.‐P., Perry, M. J., Smith, W. O., Vaillancourt, R., Zoffoli, L.

“…The database on ocean primary productivity comprises over two decades (1985–2008) of data that the authors have participated in collecting, using the…”
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Apathy in rapid eye movement sleep behaviour disorder is common and under‐recognized by Barber, T. R., Muhammed, K., Drew, D., Lawton, M., Crabbe, M., Rolinski, M., Quinnell, T., Zaiwalla, Z., Ben‐Shlomo, Y., Husain, M., Hu, M. T. M.

“…Background and purpose Apathy is an important neuropsychiatric feature of Parkinson's disease (PD), which often emerges before the onset of motor symptoms…”
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Effectiveness of Various Exposure Metrics in Defining Dose-Response Relationships for Mink (Mustela vison) Exposed to Polychlorinated Biphenyls by Fuchsman, P. C, Barber, T. R, Bock, M. J

“…We conducted a quantitative analysis of published results from more than 50 tests of polychlorinated biphenyl (PCB) effects on mink reproduction, which…”
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Iron and Grazing Constraints on Primary Production in the Central Equatorial Pacific: An EqPac Synthesis by Landry, Michael R., Barber, Richard T., Bidigare, Robert R., Chai, Fei, Coale, Kenneth H., Dam, Hans G., Lewis, Marlon R., Lindley, Steven T., McCarthy, James J., Roman, Michael R., Stoecker, Diane K., Verity, Peter G., White, Jacques R.

“…Recent studies in the central equatorial Pacific allow a comprehensive assessment of phytoplankton regulation in a high-nutrient, low-chlorophyll (HNLC)…”
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Primary productivity, differential size fraction and pigment composition responses in two Southern Ocean in situ iron enrichments by Lance, V.P., Hiscock, M.R., Hilting, A.K., Stuebe, D.A., Bidigare, R.R., Smith, W.O., Barber, R.T.

“…Two in situ iron-enrichment experiments were conducted in the Pacific sector of the Southern Ocean during summer 2002 (SOFeX). The “north patch,” established…”
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Control of community growth and export production by upwelled iron in the equatorial Pacific Ocean by Coale, Kenneth H, Fitzwater, Steve E, Gordon, R. Michael, Johnson, Kenneth S, Barber, Richard T

“…It has been suggested that changes in the deposition rates of iron-bearing dust have led to changes in biological productivity and, consequently, global…”
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A line in the sea by Yoder, James A, Ackleson, Steven G, Barber, Richard T, Flament, Pierre, Balch, William M

“…Measurements and photographs from aircraft, ships, satellites and the Space Shuttle Atlantis that show dramatic biological responses to circulation and mixing…”
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Physical and Biological Controls on Carbon Cycling in the Equatorial Pacific by Murray, James W., Barber, Richard T., Roman, Michael R., Bacon, Michael P., Feely, Richard A.

“…The equatorial Pacific is the largest oceanic source of carbon dioxide to the atmosphere and has been proposed to be a major site of organic carbon export to…”
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Regulation of Primary Productivity Rate in the Equatorial Pacific by Barber, R. T., Chavez, F. P.

“…Analysis of the Chl-specific rate of primary productivity $(P^B)$ as a function of subsurface nutrient concentration at >300 equatorial stations provides an…”
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SeaWiFS satellite ocean color data from the Southern Ocean by Moore, J. Keith, Abbott, Mark R., Richman, James G., Smith, Walker O., Cowles, Timothy J., Coale, Kenneth H., Gardner, Wilford D., Barber, Richard T.

“…SeaWiFS estimates of surface chlorophyll concentrations are reported for the region of the U.S. JGOFS study in the Southern Ocean (∼ 170°W, 60°S). Elevated…”
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One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part II: sensitivity analysis and comparison with JGOFS EqPac data by Dugdale, R.C, Barber, R.T, Chai, F, Peng, T.-H, Wilkerson, F.P

“…A one-dimensional model of the equatorial Pacific upwelling ecosystem that incorporates two phytoplankton components, two grazers, and three nutrients, Si(OH)…”
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A nitrate and silicate budget in the equatorial Pacific Ocean: a coupled physical–biological model study by Jiang, M.-S, Chai, F, Dugdale, R.C, Wilkerson, F.P, Peng, T.-H, Barber, R.T

“…A coupled physical–biological model was developed to simulate the low-silicate, high-nitrate, and low-chlorophyll (LSHNLC) conditions in the equatorial Pacific…”
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Particulate organic carbon fluxes: compilation of results from the 1995 US JGOFS Arabian Sea Process Study by Lee, C., Murray, D.W., Barber, R.T., Buesseler, K.O., Dymond, J., Hedges, J.I., Honjo, S., Manganini, S.J., Marra, J., Moser, C., Peterson, M.L., Prell, W.L., Wakeham, S.G.

“…Organic carbon fluxes in the Arabian Sea were measured as a function of depth, season and distance from the coast of Oman. We present here a compilation of…”
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Photosynthetic physiology and physicochemical forcing in the Arabian Sea, 1995 by Johnson, Z, Bidigare, R.R, Goericke, R, Marra, J, Trees, C, Barber, R.T

“…The Arabian Sea, characterized by strong seasonal monsoonal forcing as well as prolific mesoscale features, is a complex hydrographic environment for…”
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Minimal effect of iron fertilization on sea-surface carbon dioxide concentrations by Watson, A. J, Law, C. S, Van Scoy, K. A, Millero, F. J, Yao, W, Friederich, G. E, Liddicoat, M. I, Wanninkhof, R. H, Barber, R. T, Coale, K. H

“…It has long been hypothesized that iron concentrations limit phytoplankton productivity in some parts of the ocean. As part of an experiment in the equatorial…”
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Biogeochemical Controls and Feedbacks on Ocean Primary Production by Falkowski, Paul G., Barber, Richard T., Smetacek, Victor

“…Changes in oceanic primary production, linked to changes in the network of global biogeochemical cycles, have profoundly influenced the geochemistry of Earth…”
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