Search Results - "Bates, N. R."

Detecting anthropogenic carbon dioxide uptake and ocean acidification in the North Atlantic Ocean by Bates, N. R, Best, M. H. P, Neely, K, Garley, R, Dickson, A. G, Johnson, R. J

“…Fossil fuel use, cement manufacture and land-use changes are the primary sources of anthropogenic carbon dioxide (CO2) to the atmosphere, with the ocean…”
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Multi-decadal uptake of carbon dioxide into subtropical mode water of the North Atlantic Ocean by Bates, N. R

“…Natural climate variability impacts the multi-decadal uptake of anthropogenic carbon dioxide (Cant) into the North Atlantic Ocean subpolar and subtropical…”
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Feedbacks and responses of coral calcification on the Bermuda reef system to seasonal changes in biological processes and ocean acidification by Bates, N. R., Amat, A., Andersson, A. J.

“…Despite the potential impact of ocean acidification on ecosystems such as coral reefs, surprisingly, there is very limited field data on the relationships…”
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Summertime calcium carbonate undersaturation in shelf waters of the western Arctic Ocean – how biological processes exacerbate the impact of ocean acidification by Bates, N. R, Orchowska, M. I, Garley, R, Mathis, J. T

“…The Arctic Ocean accounts for only 4% of the global ocean area, but it contributes significantly to the global carbon cycle. Recent observations of seawater…”
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Sea-ice melt CO2-carbonate chemistry in the western Arctic Ocean: meltwater contributions to air-sea CO2 gas exchange, mixed-layer properties and rates of net community production under sea ice by Bates, N R, Garley, R, Frey, K E, Shake, K L, Mathis, J T

“…The carbon dioxide (CO2)-carbonate chemistry of sea-ice melt and co-located, contemporaneous seawater has rarely been studied in sea-ice-covered oceans. Here,…”
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Increased ocean carbon export in the Sargasso Sea linked to climate variability is countered by its enhanced mesopelagic attenuation by Lomas, M. W., Steinberg, D. K., Dickey, T., Carlson, C. A., Nelson, N. B., Condon, R. H., Bates, N. R.

“…Photosynthetic CO2 uptake by oceanic phytoplankton and subsequent export of particulate organic carbon (POC) to the ocean interior comprises a globally…”
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Air-sea CO2 fluxes on the Bering Sea shelf by Bates, N R, Mathis, J T, Jeffries, M A

“…There have been few previous studies of surface seawater CO2 partial pressure (pCO2 ) variability and air-sea CO2 gas exchange rates for the Bering Sea shelf…”
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A multi-tracer model approach to estimate reef water residence times by Venti, A., Kadko, D., Andersson, A. J., Langdon, C., Bates, N. R.

“…We present a new method for obtaining the residence time of coral reef waters and demonstrate the successful application of this method by estimating rates of…”
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Seasonal and interannual changes in particulate organic carbon export and deposition in the Chukchi Sea by Lepore, K., Moran, S. B., Grebmeier, J. M., Cooper, L. W., Lalande, C., Maslowski, W., Hill, V., Bates, N. R., Hansell, D. A., Mathis, J. T., Kelly, R. P.

“…Particulate organic carbon (POC) export fluxes were estimated in the shelf‐slope region of the Chukchi Sea using measurements of 234Th−238U disequilibria and…”
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Seasonal distribution of dissolved inorganic carbon and net community production on the Bering Sea shelf by Mathis, J. T., Cross, J. N., Bates, N. R., Bradley Moran, S., Lomas, M. W., Mordy, C. W., Stabeno, P. J.

“…In order to assess the current state of net community production (NCP) in the southeastern Bering Sea, we measured the spatio-temporal distribution and…”
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The Arctic Ocean marine carbon cycle: evaluation of air-sea CO2 exchanges, ocean acidification impacts and potential feedbacks by N. R. Bates, J. T. Mathis

“…At present, although seasonal sea-ice cover mitigates atmosphere-ocean gas exchange, the Arctic Ocean takes up carbon dioxide (CO2) on the order of −66 to −199…”
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Mesoscale variations of biogeochemical properties in the Sargasso Sea by McGillicuddy, D. J., Johnson, R., Siegel, D. A., Michaels, A. F., Bates, N. R., Knap, A. H.

“…A mesoscale resolution biogeochemical survey was carried out in the vicinity of the U.S. Joint Global Ocean Flux Study Bermuda Atlantic Time‐series Study…”
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Biogeochemical responses to late-winter storms in the Sargasso Sea, I—Pulses of primary and new production by Lomas, M.W., Lipschultz, F., Nelson, D.M., Krause, J.W., Bates, N.R.

“…We have hypothesized that the weekly/biweekly passage of winter storms in the subtropical open ocean destabilizes the water column leading to pulsed NO 3 −…”
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Biogeochemical responses to late-winter storms in the Sargasso Sea. IV. Rapid succession of major phytoplankton groups by Lomas, M.W., Roberts, N., Lipschultz, F., Krause, J.W., Nelson, D.M., Bates, N.R.

“…In this paper, we present multi-parameter data on phytoplankton community composition, and its response to storm events in the Sargasso Sea in late February…”
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Seasonal changes in POC export flux in the Chukchi Sea and implications for water column-benthic coupling in Arctic shelves by Moran, S.B., Kelly, R.P., Hagstrom, K., Smith, J.N., Grebmeier, J.M., Cooper, L.W., Cota, G.F., Walsh, J.J., Bates, N.R., Hansell, D.A., Maslowski, W., Nelson, R.P., Mulsow, S.

“…As part of the 2002 Shelf-Basin Interactions (SBI) process study, measurements of the seasonal variation in the export flux of particulate organic carbon (POC)…”
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Zooplankton vertical migration and the active transport of dissolved organic and inorganic carbon in the Sargasso Sea by Steinberg, Deborah K., Carlson, Craig A., Bates, Nicholas R., Goldthwait, Sarah A., Madin, Laurence P., Michaels, Anthony F.

“…The least known component of the “biological pump” is the active transport of carbon and nutrients by diel vertical migration of zooplankton. We measured CO 2…”
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Corrigendum to "Feedbacks and responses of coral calcification on the Bermuda reef system to seasonal changes in biological processes and ocean acidification" published in Biogeosciences, 7, 2509–2530, doi:10.5194/bg-7-2509-2010, 2010 by Bates, N. R., Amat, A., Andersson, A. J.

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Autonomous Wintertime Observations of Air‐Sea Exchange in the Gulf Stream Reveal a Perfect Storm for Ocean CO2 Uptake by Nickford, S., Palter, J. B., Donohue, K., Fassbender, A. J., Gray, A. R., Long, J., Sutton, A. J., Bates, N. R., Takeshita, Y.

“…A scarcity of wintertime observations of surface ocean carbon dioxide partial pressure (pCO2) in and near the Gulf Stream creates uncertainty in the magnitude…”
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Environmental Drivers of Coccolithophore Growth in the Pacific Sector of the Southern Ocean by Oliver, H., McGillicuddy, D. J., Krumhardt, K. M., Long, M. C., Bates, N. R., Bowler, B. C., Drapeau, D. T., Balch, W. M.

“…The Great Calcite Belt (GCB) is a band of high concentrations of suspended particulate inorganic carbon (PIC) spanning the subantarctic Southern Ocean and…”
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Shallow remineralization in the Sargasso Sea estimated from seasonal variations in oxygen, dissolved inorganic carbon and nitrate by Ono, S., Ennyu, A., Najjar, R.G., Bates, N.R.

“…A diagnostic model of the mean annual cycles of oxygen, dissolved inorganic carbon (DIC) and nitrate below the mixed layer at the Bermuda Atlantic Time-Series…”
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