Search Results - "Trull, TW"

Seasonal succession of phytoplankton community structure from autonomous sampling at the Australian Southern Ocean Time Series (SOTS) observatory by Eriksen, Ruth, Trull, Thomas W., Davies, Diana, Jansen, Peter, Davidson, Andrew T., Westwood, Karen, van den Enden, Rick

“…Limited knowledge of phytoplankton community structure in the Southern Ocean hampers our understanding of ecosystem function and its response to changes…”
Get full text

Phytoplankton morphology controls on marine snow sinking velocity by Laurenceau-Cornec, Emmanuel C., Trull, Thomas W., Davies, Diana M., De La Rocha, Christina L., Blain, Stéphane

“…During the second KErguelen Ocean and Plateau compared Study (KEOPS2) in October–November 2011, marine snow was formed in roller tanks by physical aggregation…”
Get full text

Differing responses of three Southern Ocean Emiliania huxleyi ecotypes to changing seawater carbonate chemistry by Müller, Marius N., Trull, Thomas W., Hallegraeff, Gustaaf M.

“…The invasion of anthropogenic carbon dioxide into the surface ocean is altering seawater carbonate speciation, a process commonly called ocean acidification…”
Get full text

Thorium-234 as a tracer of spatial, temporal and vertical variability in particle flux in the North Pacific by Buesseler, K.O., Pike, S., Maiti, K., Lamborg, C.H., Siegel, D.A., Trull, T.W.

“…An extensive 234Th data set was collected at two sites in the North Pacific: ALOHA, an oligotrophic site near Hawaii, and K2, a mesotrophic HNLC site in the NW…”
Get full text

Dissolved iron in the Australian sector of the Southern Ocean (CLIVAR SR3 section): Meridional and seasonal trends by Sedwick, P.N., Bowie, A.R., Trull, T.W.

“…We report measurements of dissolved iron (dFe, <0.4 μm) in seawater collected from the upper 300 m of the water column along the CLIVAR SR3 section south of…”
Get full text

Seasonal evolution of the mixed layer in the Subantarctic zone south of Australia by Rintoul, Stephen R., Trull, Thomas W.

“…The circumpolar Subantarctic Zone (SAZ) is a globally significant region of water mass formation and carbon dioxide uptake from the atmosphere. Here we…”
Get full text

Moored sediment trap measurements of carbon export in the Subantarctic and Polar Frontal zones of the Southern Ocean, south of Australia by Trull, T. W., Bray, S. G., Manganini, S. J., Honjo, S., François, R.

“…Sediment trap moorings were deployed from September 21, 1997 through February 21, 1998 at three locations south of Australia along 140°E: at ∼47°S in the…”
Get full text

Seasonal nutrient depletion and carbon export in the Subantarctic and Polar Frontal zones of the Southern Ocean south of Australia by Lourey, Martin J., Trull, Thomas W.

“…Seasonal surface water nitrate and phosphate depletions were calculated for the Subantarctic Zone (SAZ) and Polar Frontal Zone (PFZ) of the Southern Ocean…”
Get full text

Multi-century time-series of 15N and 14C in bamboo corals from deep Tasmanian seamounts: evidence for stable oceanographic conditions by Sherwood, OA, Thresher, RE, Fallon, SJ, Davies, DM, Trull, TW

Get full text

Control of phytoplankton growth by iron supply and irradiance in the subantarctic Southern Ocean: Experimental results from the SAZ Project by Boyd, P. W., Crossley, A. C., DiTullio, G. R., Griffiths, F. B., Hutchins, D. A., Queguiner, B., Sedwick, P. N., Trull, T. W.

“…The influence of irradiance and iron (Fe) supply on phytoplankton processes was investigated, north (47°S, 142°E) and south (54°S, 142°E) of the Subantarctic…”
Get full text

Rheology of bubble-bearing magmas by Lejeune, A.M, Bottinga, Y, Trull, T.W, Richet, P

“…The physical effects of air or argon bubbles on the rheology of a calcium aluminosilicate melt have been measured at temperatures ranging from 830° to 960°C,…”
Get full text

Relationship of Nitrogen Isotope Fractionation to Phytoplankton Size and Iron Availability during the Southern Ocean Iron RElease Experiment (SOIREE) by Karsh, K. L., Trull, T. W., Lourey, M. J., Sigman, D. M.

“…The15N composition of sediments has been used as a proxy for nitrate utilization in surface waters to assess the role of Southern Ocean export production in…”
Get full text

Limitation of algal growth by iron deficiency in the Australian Subantarctic Region by Sedwick, Peter N., DiTullio, Giacomo R., Hutchins, David A., Boyd, Philip W., Griffiths, F. Brian, Crossley, A. Clive, Trull, Thomas W., Quéguiner, Bernard

“…In March 1998 we measured iron in the upper water column and conducted iron‐ and nutrient‐enrichment bottle‐incubation experiments in the open‐ocean…”
Get full text

Regional variation of spring N-uptake and new production in the Southern Ocean by Savoye, Nicolas, Dehairs, Frank, Elskens, Marc, Cardinal, Damien, Kopczyńska, Elżbieta E., Trull, Thomas W., Wright, Simon, Baeyens, Willy, Griffiths, F. Brian

“…Nitrate, ammonium and urea uptake were examined in the Southern Ocean (Australian sector) during the 2001 austral spring. On the basis of N‐uptake conditions,…”
Get full text

Introduction to special section: SAZ Project by Trull, T. W., Sedwick, P. N., Griffiths, F. B., Rintoul, S. R.

“…Oceanographic processes in the subantarctic region contribute crucially to the physical and biogeochemical aspects of the global climate system. To explore and…”
Get full text

Geochemical particle fluxes in the Southern Indian Ocean seasonal ice zone: Prydz Bay region, East Antarctica by Pilskaln, C.H, Manganini, S.J, Trull, T.W, Armand, L, Howard, W, Asper, V.L, Massom, R

“…Time-series sediment traps were deployed between December 1998 and January 2000 and from March 2000 to February 2001 at two offshore Prydz Bay sites within the…”
Get full text

Modeling seasonal phosphate export and resupply in the Subantarctic and Polar Frontal zones in the Australian sector of the Southern Ocean by Wang, Xiujun, Matear, Richard J., Trull, Thomas W.

“…We developed and applied a one‐dimensional (z) biophysical model to the Subantarctic Zone (SAZ) and the Polar Frontal Zone (PFZ) to simulate seasonal phosphate…”
Get full text

Nutrient utilization ratios in the Polar Frontal Zone in the Australian sector of the Southern Ocean: A model by Wang, Xiujun, Matear, Richard J., Trull, Thomas W.

“…To investigate the non‐Redfield N/P depletion ratio in the Polar Frontal Zone (PFZ) of the Southern Ocean, we simulated the seasonal nitrate, phosphate, and…”
Get full text

Particle transformations and export flux during an in situ iron-stimulated algal bloom in the Southern Ocean by Nodder, Scott D., Charette, Matthew A., Waite, Anya M., Trull, Tom W., Boyd, Philip W., Zeldis, John, Buesseler, Ken O.

“…During the first Southern Ocean Iron RElease Experiment (SOIREE), a suite of biogeochemical measurements (water column 234Th and δ13Corg inventories, particle…”
Get full text

Isotopic fractionation accompanying helium diffusion in basaltic glass by Trull, T.W., Kurz, M.D.

Get full text