Research article
24 Jan 2019
Research article | 24 Jan 2019
Modeling oceanic nitrate and nitrite concentrations and isotopes using a 3-D inverse N cycle model
Taylor S. Martin et al.
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Cited articles
Anderson, J. J., Okubo, A., Robbins, A. S., and Richards, F. A.: A model for
nitrate distributions in oceanic oxygen minimum zones, Deep-Sea Res., 29,
1113–1140, https://doi.org/10.1016/0198-0149(82)90031-0, 1982.
Babbin, A. R., Keil, R. G., Devol, A. H., and Ward, B. B.: Organic Matter
Stoichiometry, Flux, and Oxygen Control Nitrogen Loss in the Ocean, Science,
344, 406–408, https://doi.org/10.1126/science.1248364, 2014.
Babbin, A. R., Peters, B. D., Mordy, C. W., Widner, B., Casciotti, K. L., and
Ward, B. B.: Multiple metabolisms constrain the anaerobic nitrite budget in
the Eastern Tropical South Pacific, Global Biogeochem. Cy., 31, 258–271,
https://doi.org/10.1002/2016GB005407, 2017.
Berelson, W. M.: Particle settling rates increase with depth in the ocean,
Deep-Sea Res. Pt. II, 49, 237–251, https://doi.org/10.1016/S0967-0645(01)00102-3, 2002.
Bianchi, D., Dunne, J. P., Sarmiento, J. L., and Galbraith, E. D.: Data-based
estimates of suboxia, denitrification, and
N2O production in the
ocean and their sensitivities to dissolved
O2, Global Biogeochem.
Cy., 26, 1–13, https://doi.org/10.1029/2011GB004209, 2012.
Bohlen, L., Dale, A. W., and Wallmann, K.: Simple transfer functions for
calculating benthic fixed nitrogen losses and
regeneration
ratios in global biogeochemical models, Global Biogeochem. Cy., 26, GB3029,
https://doi.org/10.1029/2011GB004198, 2012.
Bonin, P., Gilewicz, M., and Bertrand, J. C.: Effects of oxygen on each step
of denitrification on Pseudomonas nautica, Can. J. Microbiol., 35,
1061–1064, https://doi.org/10.1139/m89-177, 1989.
Bourbonnais, A., Altabet, M. A., Charoenpong, C. N., Larkum, J., Hu, H.,
Bange, H. W., and Stramma, L.: N-loss isotope effects in the Peru oxygen
minimum zone studied using a mesoscale eddy as a natural tracer experiment,
Global Biogeochem. Cy., 29, 793–811, https://doi.org/10.1002/2013GB004679, 2015.
Brandes, J. A. and Devol, A. H.: Isotopic fractionation of oxygen and
nitrogen in coastal marine sediments, Geochim. Cosmochim. Ac., 61,
1793–1801, https://doi.org/10.1016/S0016-7037(97)00041-0, 1997.
Brandes, J. A. and Devol, A. H.: A global marine-fixed nitrogen isotopic
budget: Implications for Holocene nitrogen cycling, Global Biogeochem. Cy.,
16, 67-1–67-14, https://doi.org/10.1029/2001GB001856, 2002.
Bristow, L. A., Dalsgaard, T., Tiano, L., Mills, D. B., Bertagnolli, A. D.,
Wright, J. J., Hallam, S. J., Ulloa, O., Canfield, D. E., Revsbech, N. P.,
and Thamdrup, B.: Ammonium and nitrite oxidation at nanomolar oxygen
concentrations in oxygen minimum zone waters, P. Natl. Acad. Sci. USA, 113,
10601–10606, https://doi.org/10.1073/pnas.1600359113, 2016.
Bristow, L. A., Callbeck, C. M., Larsen, M., Altabet, M. A., Dekaezemacker,
J., Forth, M., Gauns, M., Glud, R. N., Kuypers, M. M. M., Lavik, G., Milucka,
J., Naqvi, S. W. A., Pratihary, A., Revsbech, N. P., Thamdrup, B., Treusch,
A. H., and Canfield, D. E.:
N2 production rates limited by nitrite
availability in the Bay of Bengal oxygen minimum zone, Nat. Geosci., 10,
24–29, https://doi.org/10.1038/ngeo2847, 2017.
Brown, Z. W., Casciotti, K. L., Pickart, R. S., Swift, J. H., and Arrigo, K.
R.: Aspects of the marine nitrogen cycle of the Chukchi Sea shelf and Canada
Basin, Deep-Sea Res. Pt. II, 118, 73–87, https://doi.org/10.1016/j.dsr2.2015.02.009,
2015.
Brunner, B., Contreras, S., Lehmann, M. F., Matantseva, O., Rollog, M.,
Kalvelage, T., Klockgether, G., Lavik, G., Jetten, M. S. M., Kartal, B., and
Kuypers, M. M. M.: Nitrogen isotope effects induced by anammox bacteria, P.
Natl. Acad. Sci. USA, 110, 18994–18999, https://doi.org/10.1073/pnas.1310488110, 2013.
Bryan, B. A., Shearer, G., Skeeters, J. L., and Kohl, D. H.: Variable
expression of the nitrogen isotope effect associated with denitrification of
nitrite, J. Biol. Chem., 258, 8613–8617, 1983.
Buchwald, C. and Casciotti, K. L.: Oxygen isotopic fractionation and exchange
during bacterial nitrite oxidation, Limnol. Oceanogr., 55, 1064–1074,
https://doi.org/10.4319/lo.2010.55.3.1064, 2010.
Buchwald, C., Santoro, A. E., Stanley, R. H. R., and Casciotti, K. L.:
Nitrogen cycling in the secondary nitrite maximum of the eastern tropical
North Pacific off Costa Rica, Global Biogeochem. Cy., 29, 2061–2081,
https://doi.org/10.1002/2015GB005187, 2015.
Buesseler, K. O. and Boyd, P. W.: Shedding light on processes that control
particle export and flux attenuation in the twilight zone of the open ocean,
Limnol. Oceanogr., 54, 1210–1232, https://doi.org/10.4319/lo.2009.54.4.1210, 2009.
Buesseler, K. O., Trull, T. W., Steinberg, D. K., Silver, M. W., Siegel, D.
A., Saitoh, S.-I., Lamborg, C. H., Lam, P. J., Karl, D. M., Jiao, N. Z.,
Honda, M. C., Elskens, M., Dehairs, F., Brown, S. L., Boyd, P. W., Bishop, J.
K. B., and Bidigare, R. R.: VERTIGO (VERtical Transport In the Global Ocean):
A study of particle sources and flux attenuation in the North Pacific,
Deep-Sea Res. Pt. II, 55, 1522–1539, https://doi.org/10.1016/j.dsr2.2008.04.024, 2008.
Canfield, D. E.: Models of oxic respiration, denitrification and sulfate
reduction in zones of coastal upwelling, Geochim. Cosmochim. Ac., 70,
5753–5765, https://doi.org/10.1016/j.gca.2006.07.023, 2006.
Capone, D. G., Burns, J. A., Montoya, J. P., Subramaniam, A., Mahaffey, C.,
Gunderson, T., Michaels, A. F., and Carpenter, E. J.: Nitrogen fixation by
Trichodesmium spp.: An important source of new nitrogen to the tropical and
subtropical North Atlantic Ocean, Global Biogeochem. Cy., 19, GB2024,
https://doi.org/10.1029/2004GB002331, 2005.
Carpenter, E. J., Harvey, H. R., Brian, F., and Capone, D. G.: Biogeochemical
tracers of the marine cyanobacterium Trichodesmium, Deep-Sea Res. Pt. I, 44,
27–38, https://doi.org/10.1016/S0967-0637(96)00091-X, 1997.
Casciotti, K. L.: Inverse kinetic isotope fractionation during bacterial
nitrite oxidation, Geochim. Cosmochim. Ac., 73, 2061–2076,
https://doi.org/10.1016/j.gca.2008.12.022, 2009.
Casciotti, K. L., Trull, T. W., Glover, D. M., and Davies, D.: Constraints on
nitrogen cycling at the subtropical North Pacific Station ALOHA from isotopic
measurements of nitrate and particulate nitrogen, Deep-Sea Res. Pt. II, 55,
1661–1672, https://doi.org/10.1016/j.dsr2.2008.04.017, 2008.
Casciotti, K. L., Buchwald, C., and McIlvin, M.: Implications of nitrate and
nitrite isotopic measurements for the mechanisms of nitrogen cycling in the
Peru oxygen deficient zone, Deep-Sea Res. Pt. I, 80, 78–93,
https://doi.org/10.1016/j.dsr.2013.05.017, 2013.
Chavez, F. P. and Messié, M.: A comparison of Eastern Boundary Upwelling
Ecosystems, Prog. Oceanogr., 83, 80–96, https://doi.org/10.1016/j.pocean.2009.07.032,
2009.
Chien, C.-T., Mackey, K. R. M., Dutkiewicz, S., Mahowald, N. M., Prospero, J.
M., and Paytan, A.: Effects of African dust deposition on phytoplankton in
the western tropical Atlantic Ocean off Barbados, Global Biogeochem. Cy., 30,
716–734, https://doi.org/10.1002/2015GB005334, 2016.
Codispoti, L. A.: Phosphorus vs. Nitrogen limitation of new and export
production, in: Productivity of the Oceans: Present and Past, Vol. 44, John
Wiley & Sons Ltd., New York City, NY, USA, 377–394, 1989.
Codispoti, L. A. and Christensen, J. P.: Nitrification, denitrification and
nitrous oxide cycling in the eastern tropical South Pacific ocean, Mar.
Chem., 16, 277–300, https://doi.org/10.1016/0304-4203(85)90051-9, 1985.
Codispoti, L. A., Friederich, G. E., Packard T. T., Glover, H. E., Kelly, P.
J., Spinrad, R. W., Barber, R. T., Elkins, J. W., Ward, B. B., Lipschultz,
F., and Lostaunau, N.: High Nitrite Levels off Northern Peru: A Signal of
Instability in the Marine Denitrification Rate, Science, 233, 1200–1202,
https://doi.org/10.1126/science.233.4769.1200, 1986.
Codispoti, L. A., Brandes, J. A., Christensen, J. P., Devol, A. H., Naqvi, S.
W. A., Paerl, H. W., and Yoshinari, T.: The oceanic fixed nitrogen and
nitrous oxide budgets: Moving targets as we enter the anthropocene?, Sci.
Mar., 65, 80–105, https://doi.org/10.3989/scimar.2001.65s285, 2001.
Dalsgaard, T., Stewart, F. J., Thamdrup, B., De Brabandere, L., Revsbech, N.
P., Ulloa, O., Canfield, D. E., and DeLong, E. F.: Oxygen at nanomolar levels
reversibly suppresses process rates and gene expression in anammox and
denitrification in the oxygen minimum zone off Northern Chile, MBio, 5,
e01966-14, https://doi.org/10.1128/mBio.01966-14, 2014.
Dentener, F., Drevet, J., Lamarque, J. F., Bey, I., Eickhout, B., Fiore, A.
M., Hauglustaine, D., Horowitz, L. W., Krol, M., Kulshrestha, U. C.,
Lawrence, M., Galy-Lacaux, C., Rast, S., Shindell, D., Stevenson, D., Van
Noije, T., Atherton, C., Bell, N., Bergman, D., Butler, T., Cofala, J.,
Collins, B., Doherty, R., Ellingsen, K., Galloway, J., Gauss, M., Montanaro,
V., Müller, J. F., Pitari, G., Rodriguez, J., Sanderson, M., Solmon, F.,
Strahan, S., Schultz, M., Sudo, K., Szopa, S., and Wild, O.: Nitrogen and
sulfur deposition on regional and global scales: A multimodel evaluation,
Global Biogeochem. Cy., 20, GB4003, https://doi.org/10.1029/2005GB002672, 2006.
Deutsch, C., Gruber, N., Key, R. M., Sarmiento, J. L., and Ganachaud, A.:
Denitrification and
N2 fixation in the Pacific Ocean, Global
Biogeochem. Cy., 15, 483–506, https://doi.org/10.1029/2000GB001291, 2001.
Deutsch, C., Sarmiento, J. L., Sigman, D. M., Gruber, N., and Dunne, J. P.:
Spatial coupling of nitrogen inputs and losses in the ocean, Nature, 445,
163–167, https://doi.org/10.1038/nature05392, 2007.
DeVries, T. and Primeau, F.: Dynamically and Observationally Constrained
Estimates of Water-Mass Distributions and Ages in the Global Ocean, J. Phys.
Oceanogr., 41, 2381–2401, https://doi.org/10.1175/JPO-D-10-05011.1, 2011.
DeVries, T., Deutsch, C., Primeau, F., Chang, B., and Devol, A.: Global rates of
water-column denitrification derived from nitrogen gas measurements, Nat. Geosci., 5, 547–550, https://doi.org/10.1038/ngeo1515, 2012.
DeVries, T., Deutsch, C., Rafter, P. A., and Primeau, F.: Marine
denitrification rates determined from a global 3-D inverse model,
Biogeosciences, 10, 2481–2496, https://doi.org/10.5194/bg-10-2481-2013,
2013.
Dunne, J. P., Armstrong, R. A., Gnanadesikan, A., and Sarmiento, J. L.:
Empirical and mechanistic models for the particle export ratio, Global
Biogeochem. Cy., 19, GB4026, https://doi.org/10.1029/2004GB002390, 2005.
Follows, M. J., Dutkiewicz, S., Grant, S., and Chisholm, S. W.: Emergent
Biogeography of Microbial Communities in a Model Ocean, Science, 315,
1843–1846, https://doi.org/10.1126/science.1138544, 2007.
Frey, C., Hietanen, S., Jürgens, K., Labrenz, M., and Voss, M.: N and O
isotope fractionation in nitrate during chemolithoautotrophic denitrification
by Sulfurimonas gotlandica, Environ. Sci. Technol., 48, 13229–13237,
https://doi.org/10.1021/es503456g, 2014.
Fuchsman, C. A., Devol, A. H., Casciotti, K. L., Buchwald, C., Chang, B. X.,
and Horak, R. E. A.: An N isotopic mass balance of the Eastern Tropical North
Pacific Oxygen Deficient Zone, Deep-Sea Res. Pt. II, 156, 137–147,
https://doi.org/10.1016/j.dsr2.2017.12.013, 2017.
Galloway, J. N., Dentener, F. J., Capone, D. G., Boyer, E. W., Howarth, R.
W., Seitzinger, S. P., Asner, G. P., Cleveland, C. C., Green, P. A., Holland,
E. A., Karl, D. M., Michaels, A. F., Porter, J. H., Townsend, A. R., and
Vörösmarty, C. J.: Nitrogen cycles: past, present, and future,
Biogeochemistry, 70, 153–226, https://doi.org/10.1007/s10533-004-0370-0, 2004.
Garcia, H. E., Boyer, T. P., Locarnini, R. A., Boyer, T. P., Antonov, J. I.,
Mishonov, A. V., Baranova, O. K., Zweng, M. M., Reagan, J. R., and Johnson,
D. R.: World Ocean Atlas 2013, Volume 3: dissolved oxygen, apparent oxygen
utilization, and oxygen saturation, NOAA Atlas NESDIS 75, Silver Spring, MD, USA, 27 pp.,
2013a.
Garcia, H. E., Locarnini, R. A., Boyer, T. P., Antonov, J. I., Baranova, O.
K., Zweng, M. M., Reagan, J. R., and Johnson, D. R.: World Ocean Atlas 2013,
Volume 4: Dissolved inorganic nutrients (phosphate, nitrate, silicate), NOAA
Atlas NESDIS 76, Silver Spring, MD, USA, 25 pp., 2013b.
Gaye, B., Nagel, B., Dähnke, K., Rixen, T., and Emeis, K-C.: Evidence of
parallel denitrification and nitrite oxidation in the ODZ of the Arabian Sea
from paired stable isotopes of nitrate and nitrite. Global Biogeochem. Cy.,
27, 1059–1071, https://doi.org/10.1002/2011GB004115, 2013.
Granger, J., Sigman, D. M., Lehmann, M. F., and Tortell, P. D.: Nitrogen and
oxygen isotope fractionation during dissimilatory nitrate reduction by
denitrifying bacteria, Limnol. Oceanogr., 53, 2533–2545,
https://doi.org/10.4319/lo.2008.53.6.2533, 2008.
Granger, J., Sigman, D. M., Rohde, M. M., Maldonado, M. T., and Tortell, P.
D.: N and O isotope effects during nitrate assimilation by unicellular
prokaryotic and eukaryotic plankton cultures, Geochim. Cosmochim. Ac., 74,
1030–1040, https://doi.org/10.1016/j.gca.2009.10.044, 2010.
Granger, J., Prokopenko, M. G., Sigman, D. M., Mordy, C. W., Morse, Z. M.,
Morales, L. V., Sambrotto, R. N., and Plessen, B.: Coupled
nitrification-denitrification in sediment of the eastern Bering Sea shelf
leads to
15N enrichment of fixed N in shelf waters, J. Geophys.
Res.-Oceans, 116, 1–18, https://doi.org/10.1029/2010JC006751, 2011.
Gruber, N.: The Dynamics of the Marine Nitrogen Cycle and its Influence on
Atmospheric
CO2 Variations, in: The Ocean Carbon Cycle and Climate,
Springer, the Netherlands, 2004.
Gruber, N.: The Marine Nitrogen Cycle: Overview and Challenges, in: Nitrogen
in the Marine Environment, edited by: Capone, D. G., Bronk, D. A.,
Mulholland, M. R., and Carpenter, E. J., Elsevier, Amsterdam, the Netherlands, 2008.
Gruber, N. and Galloway, J. N.: An Earth-system perspective of the global
nitrogen cycle, Nature, 451, 293–296, https://doi.org/10.1038/nature06592, 2008.
Gruber, N. and Sarmiento, J. L.: Global patterns of marine nitrogen fixation
and denitrification, Global Biogeochem. Cy., 11, 235–266,
https://doi.org/10.1029/97GB00077, 1997.
Harding, K., Turk-Kubo, K. A., Sipler, R. E., Mills, M. M., Bronk, D. A., and
Zehr, J. P.: Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic
Ocean, P. Natl. Acad. Sci. USA, 115, 13371–13375,
https://doi.org/10.1073/pnas.1813658115, 2018.
Hastings, M. G., Jarvis, J. C., and Steig, E. J.: Anthropogenic Impacts on
Nitrogen Isotopes of Ice-Core Nitrate, Science, 324, 1288,
https://doi.org/10.1126/science.1170510, 2009.
Hoering, T. C. and Ford, H. T.: The Isotope Effect in the Fixation of
Nitrogen by Azotobacter, J. Am. Chem. Soc., 82, 376–378,
https://doi.org/10.1021/ja01487a031, 1960.
Holl, C. M. and Montoya, J. P.: Interactions between nitrate uptake and
nitrogen fixation in continuous cultures of the marine diazotroph
Trichodesmium (Cyanobacteria), J. Phycol., 41, 1178–1183,
https://doi.org/10.1111/j.1529-8817.2005.00146.x, 2005.
Hu, H., Bourbonnais, A., Larkum, J., Bange, H. W., and Altabet, M. A.:
Nitrogen cycling in shallow low-oxygen coastal waters off Peru from nitrite
and nitrate nitrogen and oxygen isotopes, Biogeosciences, 13, 1453–1468,
https://doi.org/10.5194/bg-13-1453-2016, 2016.
Jensen, M. M., Kuypers, M. M. M., Lavik, G., and Thamdrup, B.: Rates and
regulation of anaerobic ammonium oxidation and denitrification in the Black
Sea, Limnol. Oceanogr., 53, 23–36, https://doi.org/10.4319/lo.2008.53.1.0023, 2008.
Kalvelage, T., Jensen, M. M., Contreras, S., Revsbech, N. P., Lam, P.,
Günter, M., LaRoche, J., Lavik, G., and Kuypers, M. M. M.: Oxygen
Sensitivity of Anammox and Coupled N-Cycle Processes in Oxygen Minimum Zones,
PLoS One, 6, e29299, https://doi.org/10.1371/journal.pone.0029299, 2011.
Kalvelage, T., Lavik, G., Lam, P., Contreras, S., Arteaga, L., Loscher, C.
R., Oschlies, A., Paulmier, A., Stramma, L., and Kuypers, M. M. M.: Nitrogen
cycling driven by organic matter export in the South Pacific oxygen minimum
zone, Nat. Geosci., 6, 228–234, https://doi.org/10.1038/ngeo1739, 2013.
Knapp, A. N., DiFiore, P. J., Deutsch, C., Sigman, D. M., and Lipschultz, F.:
Nitrate isotopic composition between Bermuda and Puerto Rico: Implications
for
N2 fixation in the Atlantic Ocean, Global Biogeochem. Cy., 22,
GB3014, https://doi.org/10.1029/2007GB003107, 2008.
Knapp, A. N., Sigman, D. M., Lipschultz, F., Kustka, A. B., and Capone, D.
G.: Interbasin isotopic correspondence between upper-ocean bulk DON and
subsurface nitrate and its implications for marine nitrogen cycling, Global
Biogeochem. Cy., 25, GB4004, https://doi.org/10.1029/2010GB003878, 2011.
Kritee, K., Sigman, D. M., Granger, J., Ward, B. B., Jayakumar, A., and
Deutsch, C.: Reduced isotope fractionation by denitrification under
conditions relevant to the ocean, Geochim. Cosmochim. Ac., 92, 243–259,
https://doi.org/10.1016/j.gca.2012.05.020, 2012.
Kuypers, M. M. M., Lavik, G., Woebken, D., Schmid, M., Fuchs, B. M., Amann,
R., Jorgensen, B. B., and Jetten, M. S. M.: Massive nitrogen loss from the
Benguela upwelling system through anaerobic ammonium oxidation, P. Natl.
Acad. Sci. USA, 102, 6478–6483, https://doi.org/10.1073/pnas.0502088102, 2005.
Landolfi, A., Kähler, P., Koeve, W., and Oschlies, A.: Global marine
N2 fixation estimates: From observations to models, Front.
Microbiol., 9, 1–8, https://doi.org/10.3389/fmicb.2018.02112, 2018.
Lavik, G., Stührmann, T., Brüchert, V., Van Der Plas, A., Mohrholz,
V., Lam, P., Mußmann, M., Fuchs, B. M., Amann, R., Lass, U., and Kuypers,
M. M. M.: Detoxification of sulphidic African shelf waters by blooming
chemolithotrophs, Nature, 457, 581–584, https://doi.org/10.1038/nature07588, 2009.
Lehmann, M. F., Bernasconi, S. M., Barbieri, A., Simona, M., and McKenzie, J.
A.: Interannual variation of the isotopic composition of sedimenting organic
carbon and nitrogen in Lake Lugano: A long-term sediment trap study, Limnol.
Oceanogr., 49, 839–849, https://doi.org/10.4319/lo.2004.49.3.0839, 2004.
Lehmann, M. F., Sigman, D. M., McCorkle, D. C., Granger, J., Hoffmann, S.,
Cane, G., and Brunelle, B. G.: The distribution of nitrate
15N∕14N in marine sediments and the impact of benthic nitrogen
loss on the isotopic composition of oceanic nitrate, Geochim. Cosmochim. Ac.,
71, 5384–5404, https://doi.org/10.1016/j.gca.2007.07.025, 2007.
Locarnini, R. A., Mishonov, A. V., Antonov, J. I., Boyer, T. P., Garcia, H.
E., Baranova, O. K., Zweng, M. M., Paver, C. R., Reagan, J. R., Johnson, D.
R., Hamilton, M., and Seidov, D.: World Ocean Atlas 2013, Vol. 1:
Temperature, NOAA Atlas NESDIS 73, Silver Spring, MD, USA, 40 pp., 2013.
Marconi, D., Weigand, M. A., Rafter, P. A., McIlvin, M. R., Forbes, M.,
Casciotti, K. L., and Sigman, D. M.: Nitrate isotope distributions on the US
GEOTRACES North Atlantic cross-basin section: Signals of polar nitrate
sources and low latitude nitrogen cycling, Mar. Chem., 177, 143–156,
https://doi.org/10.1016/j.marchem.2015.06.007, 2015.
Marconi, D., Kopf, S., Rafter, P. A., and Sigman, D. M.: Aerobic respiration
along isopycnals leads to overestimation of the isotope effect of
denitrification in the ocean water column, Geochim. Cosmochim. Ac., 197,
417–432, https://doi.org/10.1016/j.gca.2016.10.012, 2017.
Mariotti, A.: Atmospheric nitrogen is a reliable standard for natural
15N abundance measurements, Nature, 303, 685–687,
https://doi.org/10.1038/303685a0, 1983.
Mariotti, A., Germon, J. C., Hubert, P., Kaiser, P., Letolle, R., Tardieux,
A., and Tardieux, P.: Experimental determination of nitrogen kinetic isotope
fractionation: Some principles; illustration for the denitrification and
nitrification processes, Plant Soil, 62, 413–430, https://doi.org/10.1007/BF02374138,
1981.
Martin, J. H., Knauer, G. A., Karl, D. M., and Broenkow, W. W.: VERTEX:
carbon cycling in the northeast Pacific, Deep-Sea Res., 34, 267–285,
https://doi.org/10.1016/0198-0149(87)90086-0, 1987.
Martin, T. S. and Casciotti, K. L.: Nitrogen and oxygen isotopic
fractionation during microbial nitrite reduction, Limnol. Oceanogr., 61,
1134–1143, https://doi.org/10.1002/lno.10278, 2016.
Martin, T. S. and Casciotti, K. L.: Paired N and O isotopic analysis of
nitrate and nitrite in the Arabian Sea oxygen deficient zone, Deep-Sea Res.
Pt. I, 121, 121–131, https://doi.org/10.1016/j.dsr.2017.01.002, 2017.
Möbius, J.: Isotope fractionation during nitrogen remineralization (ammonification):
Implications for nitrogen isotope biogeochemistry, Geochim. Cosmochim. Ac., 105, 422–432, https://doi.org/10.1016/j.gca.2012.11.048, 2013.
Monteiro, F. M., Dutkiewicz, S., and Follows, M. J.: Biogeographical controls
on the marine nitrogen fixers, Global Biogeochem. Cy., 25, GB2003,
https://doi.org/10.1029/2010GB003902, 2011.
Moore, J. K. and Doney, S. C.: Iron availability limits the ocean nitrogen
inventory stabilizing feedbacks between marine denitrification and nitrogen
fixation, Global Biogeochem. Cy., 21, GB2001, https://doi.org/10.1029/2006GB002762, 2007.
Moore, J. K., Doney, S. C., and Lindsay, K.: Upper ocean ecosystem dynamics
and iron cycling in a global three-dimensional model, Global Biogeochem. Cy.,
18, GB4028, https://doi.org/10.1029/2004GB002220, 2004.
Nixon, S. W., Ammerman, J. W., Atkinson, L. P., Berousky, V. M., Billen, G.,
Boicourt, W. C., Boynton, W. R., Church, T. M., Ditoro, D. M., Elmgren, R.,
Garber, J. H., Giblin, A. E., Jahnke, R. A., Owens, N. J. P., Pilson, M. E.
Q., and Seitzinger, S. P.: The fate of nitrogen and phosphorus at the
land-sea margin of the North Atlantic Ocean Five major rivers with an average
water flow exceeding 3000 m
3 s
−1 discharge, Biogeochemistry, 35,
141–180, 1996.
Noffke, A., Hensen, C., Sommer, S., Scholz, F., Bohlen, L., Mosch, T., Graco,
M., and Wallmann, K.: Benthic iron and phosphorus fluxes across the Peruvian
oxygen minimum zone, Limnol. Oceanogr., 57, 851–867,
https://doi.org/10.4319/lo.2012.57.3.0851, 2012.
Peng, X., Fuchsman, C. A., Jayakumar, A., Warner, M. J., Devol, A. H., and
Ward, B. B.: Revisiting nitrification in the Eastern Tropical South Pacific:
A focus on controls, J. Geophys. Res.-Oceans, 121, 1667–1684,
https://doi.org/10.1002/2015JC011455, 2016.
Penn, J., Weber, T., and Deutsch, C.: Microbial functional diversity alters
the structure and sensitivity of oxygen deficient zones, Geophys. Res. Lett.,
43, 9773–9780, https://doi.org/10.1002/2016GL070438, 2016.
Peters, B. D., Babbin, A. R., Lettmann, K. A., Mordy, C. W., Ulloa, O., Ward,
B. B., and Casciotti, K. L.: Vertical modeling of the nitrogen cycle in the
eastern tropical South Pacific oxygen deficient zone using high-resolution
concentration and isotope measurements, Global Biogeochem. Cy., 30,
1661–1681, https://doi.org/10.1002/2016GB005415, 2016.
Peters, B. D., Lam, P. J., and Casciotti, K. L.: Nitrogen and oxygen isotope
measurements of nitrate along the US GEOTRACES Eastern Pacific Zonal Transect
(GP16) yield insights into nitrate supply, remineralization, and water mass
transport, Mar. Chem., 201, 137–150, https://doi.org/10.1016/j.marchem.2017.09.009,
2018a.
Peters, B. D., Horak, R., Devol, A., Fuchsman, C., Forbes, M., Mordy, C. W.,
and Casciotti, K. L.: Estimating fixed nitrogen loss and associated isotope
effects using concentration and isotope measurements of
,
, and
N2 from the Eastern Tropical South Pacific
oxygen deficient zone, Deep-Sea Res. Pt. II, https://doi.org/10.1016/j.dsr2.2018.02.011,
2018b.
Rafter, P. A., DiFiore, P. J., and Sigman, D. M.: Coupled nitrate nitrogen
and oxygen isotopes and organic matter remineralization in the Southern and
Pacific Oceans, J. Geophys. Res.-Oceans, 118, 4781–4794,
https://doi.org/10.1002/jgrc.20316, 2013.
Rafter, P. A., Bagnell, A., Marconi, D., and DeVries, T.: Global trends in marine
nitrate N isotopes from observations and a neural network-based climatology,
Biogeosciences Discuss., https://doi.org/10.5194/bg-2018-525, in review, 2019.
Raimbault, P., Garcia, N., and Cerutti, F.: Distribution of inorganic and
organic nutrients in the South Pacific Ocean – evidence for long-term
accumulation of organic matter in nitrogen-depleted waters, Biogeosciences,
5, 281–298, https://doi.org/10.5194/bg-5-281-2008, 2008.
Ryabenko, E., Kock, A., Bange, H. W., Altabet, M. A., and Wallace, D. W. R.:
Contrasting biogeochemistry of nitrogen in the Atlantic and Pacific Oxygen
Minimum Zones, Biogeosciences, 9, 203–215,
https://doi.org/10.5194/bg-9-203-2012, 2012.
Seitzinger, S. P. and Giblin, A. E.: Estimating denitrification in North
Atlantic continental shelf sediments, Biogeochemistry, 35, 235–260,
https://doi.org/10.1007/BF02179829, 1996.
Shiozaki, T., Bombar, D., Riemann, L., Hashihama, F., Takeda, S., Yamaguchi,
T., Ehama, M., Hamasaki, K., and Furuya, K.: Basin scale variability of
active diazotrophs and nitrogen fixation in the North Pacific, from the
tropics to the subarctic Bering Sea, Global Biogeochem. Cy., 31, 996–1009,
https://doi.org/10.1002/2017GB005681, 2017.
Sigman, D. M., DiFiore, P. J., Hain, M. P., Deutsch, C., Wang, Y., Karl, D.
M., Knapp, A. N., Lehmann, M. F., and Pantoja, S.: The dual isotopes of deep
nitrate as a constraint on the cycle and budget of oceanic fixed nitrogen,
Deep-Sea Res. Pt. I, 56, 1419–1439, https://doi.org/10.1016/j.dsr.2009.04.007, 2009.
Somes, C. J. and Oschlies, A.: On the influence of “non-Redfield” dissolved
organic nutrient dynamics on the spatial distribution of
N2 fixation
and the size of the marine fixed nitrogen inventory, Global Biogeochem. Cy.,
29, 973–993, https://doi.org/10.1002/2014GB005050, 2015.
Somes, C. J., Schmittner, A., Galbraith, E. D., Lehmann, M. F., Altabet, M.
A., Montoya, J. P., Letelier, R. M., Mix, A. C., Bourbonnais, A., and Eby,
M.: Simulating the global distribution of nitrogen isotopes in the ocean,
Global Biogeochem. Cy., 24, GB4019, https://doi.org/10.1029/2009GB003767, 2010.
Strous, M., Fuerst, J. A., Kramer, E. H. M., Logemann, S., Muyzer, G., van de
Pas-Schoonen, K. T., Webb, R., Kuenen, J. G., and Jetten, M. S. M.: Missing
lithotroph identified as new planctomycete, Nature, 400, 446–449,
https://doi.org/10.1038/22749, 1999.
Van Mooy, B. A. S., Keil, R. G., and Devol, A. H.: Impact of suboxia on
sinking particulate organic carbon: Enhanced carbon flux and preferential
degradation of amino acids via denitrification, Geochim. Cosmochim. Ac., 66,
457–465, https://doi.org/10.1016/S0016-7037(01)00787-6, 2002.
Ward, B. B.: How Nitrogen Is Lost, Science, 341, 352–353,
https://doi.org/10.1126/science.1240314, 2013.
Westberry, T., Behrenfeld, M. J., Siegel, D. A., and Boss, E.: Carbon-based
primary productivity modeling with vertically resolved photoacclimation,
Global Biogeochem. Cy., 22, GB2024, https://doi.org/10.1029/2007GB003078, 2008.