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Nitrogen isotope constraints on subantarctic biogeochemistry. Journal of Geophysical Research, 2006 (Ref: 12708)
Authors:
DiFiore P.J.Sigman M.Trull T.W.Lourey M.J.Karsh K.Cane G.Ho R.
Category 1: Peer-reviewed literature

We report nitrate (NO3) nitrogen isotope ratios for seawater samples collected in the … Subantarctic Zone of the Southern Ocean during both winter and summer as part of the … Australian Antarctic CRC Subantarctic Zone (SAZ) Project.

Nutrient supply and uptake in the Subantarctic mixed layer: Constraints from the isotopes of nitrate. Eos Transactions AGU, Ocean Sciences Meeting Supplement., 2006 (Ref: 12617)
Authors:
DiFiore P.J.Sigman D.Trull T.Lourey M.Karsh K.
Category 3: Abstract

The isotopes of nitrate, which show different dynamics than nitrate concentration during physical transport and nitrate assimilation, provide a complementary constraint in the effort to understand nutrient transport and biogeochemical fluxes in the Southern Ocean. For instance…

ä18O seasonality of planktonic foraminifera from Southern Ocean sediment traps: Latitudinal gradients and implications for paleoclimate reconstructions. Marine Micropaleontology, 2005 (Ref: 12615)
Authors:
King A.Howard W.
Category 1: Peer-reviewed literature

The oxygen isotopic record obtained from Globigerina bulloides, Globorotalia inflata, and Neogloboquadrina pachyderma … (s.) was analysed for 5 sediment traps moored in the Southern Ocean and Southwest Pacific. The traps extend from Subtropical … to the Polar Frontal environments…

Sensitivity of δ 15N of nitrate, surface suspended and deep sinking particular nitrogen to seasonal nitrate depletion in the Southern Ocean. Global Biogeochemical Cycles, 2003 (Ref: 11350)
Authors:
Lourey M.J.Trull T.W.Sigman D.M.
Category 1: Peer-reviewed literature

Relationship of nitrogen isotope fractionation to phytoplankton size and iron availability during the Southern Ocean Iron RElease Experiment (SOIREE) Limnology and Oceanography, 2003 (Ref: 11349)
Authors:
Karsh K.L.Trull T.W.Lourey M.J.Sigman D.M.
Category 1: Peer-reviewed literature

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