Coupled nitrate nitrogen and oxygen isotopes and organic matter remineralization in the Southern and Pacific Oceans

Altabet, 1994, Sedimentary nitrogen isotopic ratio as a recorder for surface ocean nitrate utilization, Global Biogeochem. Cycles, 8, 103, 10.1029/93GB03396

Altabet, 2001, Nitrogen isotopic evidence for micronutrient control of fractional nitrate utilization in the equatorial Pacific, Limnol. Oceanogr., 46, 368, 10.4319/lo.2001.46.2.0368

Altabet, 2001, Nitrogen isotope biogeochemistry of the Antarctic polar frontal zone at 170 degrees W, Deep Sea Res. Part II, 48, 4247, 10.1016/S0967-0645(01)00088-1

Anderson, 1995, On the hydrogen and oxygen-content of marine-phytoplankton, Deep Sea Res. Part I, 42, 1675, 10.1016/0967-0637(95)00072-E

Bostock, 2010, Characterising the intermediate depth waters of the Pacific Ocean using delta C-13 and other geochemical tracers, Deep Sea Res. Part I, 57, 847, 10.1016/j.dsr.2010.04.005

Brandes, 1998, Isotopic composition of nitrate in the central Arabian Sea and eastern tropical North Pacific: A tracer for mixing and nitrogen cycles, Limnol. Oceanogr., 43, 1680, 10.4319/lo.1998.43.7.1680

Carpenter, 1997, Biogeochemical tracers of the marine cyanobacterium Trichodesmium, Deep Sea Res. Part I, 44, 27, 10.1016/S0967-0637(96)00091-X

Casciotti, 2007, Isotopic analyses of nitrate and nitrite from reference mixtures and application to Eastern Tropical North Pacific waters, Mar. Chem., 107, 184, 10.1016/j.marchem.2007.06.021

Casciotti, 2002, Measurement of the oxygen isotopic composition of nitrate in seawater and freshwater using the denitrifier method, Anal. Chem., 74, 4905, 10.1021/ac020113w

Casciotti, 2008, Constraints on nitrogen cycling at the subtropical North Pacific Station ALOHA from isotopic measurements of nitrate and particulate nitrogen, Deep Sea Res. Part II, 55, 1661, 10.1016/j.dsr2.2008.04.017

Cravatte, 2012, Intermediate zonal jets in the tropical Pacific Ocean observed by Argo floats, J. Phys. Oceanogr., 42, 1475, 10.1175/JPO-D-11-0206.1

Davis, 2005, Intermediate-depth circulation of the Indian and South Pacific Oceans measured by autonomous floats, J. Phys. Oceanogr., 35, 683, 10.1175/JPO2702.1

Delwiche, 1979, Nitrogen isotope distribution as a presumptive indicator of nitrogen fixation, Bot. Gaz., 140, 65, 10.1086/337037

Souza, 2012, Silicon stable isotope distribution traces Southern Ocean export of Si to the eastern South Pacific thermocline, Biogeosciences, 9, 4199, 10.5194/bg-9-4199-2012

Deutsch, 2001, Denitrification and N-2 fixation in the Pacific Ocean, Global Biogeochem. Cycles, 15, 483, 10.1029/2000GB001291

DiFiore, 2006, Nitrogen isotope constraints on subantarctic biogeochemistry, J. Geophys. Res., 111, C08016, 10.1029/2005JC003216

DiFiore, 2009, Upper ocean nitrogen fluxes in the Polar Antarctic Zone: Constraints from the nitrogen and oxygen isotopes of nitrate, Geochem. Geophys. Geosyst., 10, Q11016, 10.1029/2009GC002468

DiFiore, 2010, Poleward decrease in the isotope effect of nitrate assimilation across the Southern Ocean, Geophys. Res. Lett., 37, L17601, 10.1029/2010GL044090

Fine, 1994, The Western equatorial Pacific: A water mass crossroads, J. Geophysi. Res., 99, 25063, 10.1029/94JC02277

Feely, 2004, Oxygen utilization and organic carbon remineralization in theupper water column of the Pacific Ocean, J. Oceanogr., 60, 45, 10.1023/B:JOCE.0000038317.01279.aa

Granger, 2008, Nitrogen and oxygen isotope fractionation during dissimilatory nitrate reduction by denitrifying bacteria, Limnol. Oceanogr., 53, 2533, 10.4319/lo.2008.53.6.2533

Granger, 2010, N and O isotope effects during nitrate assimilation by unicellular prokaryotic and eukaryotic plankton cultures, Geochim. Cosmochim. Acta, 74, 1030, 10.1016/j.gca.2009.10.044

Garcia, 2006, World Ocean Atlas 2005, vol. 4, Nutrients (Phosphate, Nitrate, Silicate), edited by NOAA

Garcia, 1992, Oxygen solubility in seawater-better fitting equations, Limnol. Oceanogr., 37, 1307, 10.4319/lo.1992.37.6.1307

Gourdeau, 2008, Zonal jets entering the coral sea, J. Phys. Oceanogr., 38, 715, 10.1175/2007JPO3780.1

Granger, 2009, Removal of nitrite with sulfamic acid for nitrate N and O isotope analysis with the denitrifier method, Rapid Commun. Mass Spectrom., 23, 3753, 10.1002/rcm.4307

Granger, 2004, Coupled nitrogen and oxygen isotope fractionation of nitrate during assimilation by cultures of marine phytoplankton, Limnol. Oceanogr., 49, 1763, 10.4319/lo.2004.49.5.1763

Gruber, 1997, Global patterns of marine nitrogen fixation and denitrification, Global Biogeochem. Cycles, 11, 235, 10.1029/97GB00077

Hanawa, 2001, Ocean Circulation and Climate, 373

Herraiz-Borreguero, 2011, Subantarctic mode water: distribution and circulation, Ocean Dyn., 61, 103, 10.1007/s10236-010-0352-9

Hoering, 1960, The isotope effect in the fixation of nitrogen by azotobacter, J. Am. Chem. Soc., 82, 376, 10.1021/ja01487a031

Johnson, 2002, Temporal and spatial structure of the equatorial deep jets in the Pacific Ocean, J. Phys. Oceanography, 32, 3396, 10.1175/1520-0485(2002)032<3396:TASSOT>2.0.CO;2

Karl, 2002, Dinitrogen fixation in the world's oceans, Biogeochemistry, 57, 47, 10.1023/A:1015798105851

Karsh, 2012, Eukaryotic assimilatory nitrate reductase fractionates N and O isotopes with a ratio near unity, Environ. Sci. Technol., 46, 5727, 10.1021/es204593q

Kessler, 2006, The circulation of the eastern tropical Pacific: A review, Prog. Oceanogr., 69, 181, 10.1016/j.pocean.2006.03.009

Knapp, 2005, N isotopic composition of dissolved organic nitrogen and nitrate at the Bermuda Atlantic Time-Series Study site, Global Biogeochem. Cycles, 19, GB1018, 10.1029/2004GB002320

Knapp, 2008, Nitrate isotopic composition between Bermuda and Puerto Rico: Implication for N2 fixation in the Atlantic Ocean, Global Biogeochem. Cycles, 22, GB3014, 10.1029/2007GB003107

Kritee, 2012, Reduced isotope fractionation by denitrification under conditions relevant to the ocean, Geochim. Cosmochim. Acta, 92, 243, 10.1016/j.gca.2012.05.020

Lukas, 1986, The termination of the equatorial undercurrent in the eastern Pacific, Prog. Oceanogr., 16, 63, 10.1016/0079-6611(86)90007-8

Marshall, 2012, Closure of the meridional overturning circulation through Southern Ocean upwelling, Nat. Geosci., 5, 171, 10.1038/ngeo1391

Martin, 1990, Iron in Antarctic waters, Nature, 345, 156, 10.1038/345156a0

Mitchell, 1991, Light limitation of phytoplankton biomass and macronutrient utilization in the Southern Ocean, Limnol. Oceanogr., 36, 1662, 10.4319/lo.1991.36.8.1662

Needoba, 2004, The mechanism of isotope fractionation during algal nitrate assimilation as illuminated by the N-15/N-14 of intracellular nitrate, J. Phycol., 40, 517, 10.1111/j.1529-8817.2004.03172.x

Orsi, 1995, On the meridional extent and fronts of the Antarctic Circumpolar Current, Deep Sea Res., Part I, 42, 641, 10.1016/0967-0637(95)00021-W

Palter, 2010, Fueling export production: Nutrient return pathways from the deep ocean and their dependence on the Meridional Overturning Circulation, Biogeosciences, 7, 3549, 10.5194/bg-7-3549-2010

Patterson, 1990, Physical Oceanography, 55

Rafter, 2012, Pleistocene equatorial Pacific dynamics inferred from the zonal asymmetry in sedimentary nitrogen isotopes, Paleoceanography, 27, PA3102, 10.1029/2012PA002367

Rafter, 2012, Subsurface tropical Pacific nitrogen isotopic composition of nitrate: Biogeochemical signals and their transport, Global Biogeochem. Cycles, 26, GB1003, 10.1029/2010GB003979

Raimbault, 2008, Evidence for efficient regenerated production and dinitrogen fixation in nitrogen-deficient waters of the South Pacific Ocean: impact on new and export production estimates, Biogeosciences, 5, 323, 10.5194/bg-5-323-2008

Reid, 1997, On the total geostrophic circulation of the Pacific Ocean: Flow patterns, tracers, and transports, Progr. Oceanography, 39, 263, 10.1016/S0079-6611(97)00012-8

Ridgway, 2007, Observational evidence for a Southern Hemisphere oceanic supergyre, Geophys. Res. Lett., 34, 10.1029/2007GL030392

Rowe, 2000, Pacific equatorial subsurface countercurrent velocity, transport, and potential vorticity, J. Phys. Oceanogr., 30, 1172, 10.1175/1520-0485(2000)030<1172:PESCVT>2.0.CO;2

Sarmiento, 2004, High-latitude controls of thermocline nutrients and low latitude biological productivity, Nature, 427, 56, 10.1038/nature02127

Schlitzer , R. 2012 Ocean Data View http://odv.awi.de

Sigman, 1999, The delta N-15 of nitrate in the Southern Ocean: Consumption of nitrate in surface waters, Global Biogeochem. Cycles, 13, 1149, 10.1029/1999GB900038

Sigman, 2000, The delta N-15 of nitrate in the Southern Ocean: Nitrogen cycling and circulation in the ocean interior, J. Geophys. Res., 105, 19599, 10.1029/2000JC000265

Sigman, 2001, A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater, Anal. Chem., 73, 4145, 10.1021/ac010088e

Sigman, 2005, Coupled nitrogen and oxygen isotope measurements of nitrate along the eastern North Pacific margin, Global Biogeochem. Cycles, 19, GB4022, 10.1029/2005GB002458

Sigman, 2009a, The dual isotopes of deep nitrate as a constraint on the cycle and budget of oceanic fixed nitrogen, Deep Sea Res., Part I, 56, 1419, 10.1016/j.dsr.2009.04.007

Sigman, 2009b, Sinking organic matter spreads the nitrogen isotope signal of pelagic denitrification in the North Pacific, Geophys. Res. Lett., 36, L08605, 10.1029/2008GL035784

Stommel, 1979, Determination of water mass properties of water pumped down from the Ekman layer to the geostrophic flow below, Pro. Natl. Acad. Sci. U. S. A., 76, 3051, 10.1073/pnas.76.7.3051

Talley, 1994, Deep, zonal subequatorial currents, Science, 263, 1125, 10.1126/science.263.5150.1125

Toggweiler, 1991, The Peru upwelling and the ventilation of the South-Pacific thermocline, J. Geophys. Res., 96, 20,467, 10.1029/91JC02063

Tsuchiya, 1989, Source waters of the Pacific equatorial undercurrent, Progr. Oceanography, 23, 101, 10.1016/0079-6611(89)90012-8

Wankel, 2007, Nitrification in the euphotic zone as evidenced by nitrate dual isotopic composition: Observations from Monterey Bay, California, Global Biogeochem. Cycles, 21, GB2009, 10.1029/2006GB002723

Warner, 1985, Solubilities of chlorofluorocarbon-11 and chlorofluorocarbon-12 in water and seawater, Deep Sea Res., Part A, 32, 1485, 10.1016/0198-0149(85)90099-8