Updates to instrumentation and protocols for isotopic analysis of nitrate by the denitrifier method von Weigand, M. Alexandra, Foriel, Julien, Barnett, Bruce, Oleynik, Sergey, Sigman, Daniel M.

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Iron Fertilization of the Subantarctic Ocean During the Last Ice Age von Martínez-García, Alfredo, Sigman, Daniel M., Ren, Haojia, Anderson, Robert F., Straub, Marietta, Hodell, David A., Jaccard, Samuel L., Eglinton, Timothy I., Haug, Gerald H.

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Measurement of the Oxygen Isotopic Composition of Nitrate in Seawater and Freshwater Using the Denitrifier Method von Casciotti, K. L, Sigman, D. M, Hastings, M. Galanter, Böhlke, J. K, Hilkert, A

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Recycled iron fuels new production in the eastern equatorial Pacific Ocean von Rafter, Patrick A., Sigman, Daniel M., Mackey, Katherine R. M.

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Southward Migration of the Intertropical Convergence Zone through the Holocene von Haug, Gerald H., Hughen, Konrad A., Sigman, Daniel M., Peterson, Larry C., Röhl, Ursula

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Southern Ocean dust–climate coupling over the past four million years von Martínez-Garcia, Alfredo, Rosell-Melé, Antoni, Jaccard, Samuel L., Geibert, Walter, Sigman, Daniel M., Haug, Gerald H.

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Nitrogen and Oxygen Isotope Fractionation during Dissimilatory Nitrate Reduction by Denitrifying Bacteria von Granger, Julie, Sigman, Daniel M., Lehmann, Moritz F., Tortell, Philippe D.

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The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle von Hasenfratz, Adam P, Jaccard, Samuel L, Martínez-García, Alfredo, Sigman, Daniel M, Hodell, David A, Vance, Derek, Bernasconi, Stefano M, Kleiven, Helga Kikki F, Haumann, F Alexander, Haug, Gerald H

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Two Modes of Change in Southern Ocean Productivity Over the Past Million Years von Jaccard, S. L., Hayes, C. T., Martínez-García, A., Hodell, D. A., Anderson, R. F., Sigman, D. M., Haug, G. H.

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Climate and the Collapse of Maya Civilization von Haug, Gerald H., Günther, Detlef, Peterson, Larry C., Sigman, Daniel M., Hughen, Konrad A., Aeschlimann, Beat

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Reduced isotope fractionation by denitrification under conditions relevant to the ocean von Kritee, K., Sigman, Daniel M., Granger, Julie, Ward, Bess B., Jayakumar, Amal, Deutsch, Curtis

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No iron fertilization in the equatorial Pacific Ocean during the last ice age von Costa, K. M., McManus, J. F., Anderson, R. F., Ren, H., Sigman, D. M., Winckler, G., Fleisher, M. Q., Marcantonio, F., Ravelo, A. C.

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Global Nitrogen Cycle: Critical Enzymes, Organisms, and Processes for Nitrogen Budgets and Dynamics von Zhang, Xinning, Ward, Bess B, Sigman, Daniel M

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Isotopic composition of skeleton-bound organic nitrogen in reef-building symbiotic corals: A new method and proxy evaluation at Bermuda von Wang, X.T., Sigman, D.M., Cohen, A.L., Sinclair, D.J., Sherrell, R.M., Weigand, M.A., Erler, D.V., Ren, H.

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Impact of glacial/interglacial sea level change on the ocean nitrogen cycle von Ren, Haojia, Sigman, Daniel M., Martínez-García, Alfredo, Anderson, Robert F., Chen, Min-Te, Ravelo, Ana Christina, Straub, Marietta, Wong, George T. F., Haug, Gerald H.

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Foraminiferal Isotope Evidence of Reduced Nitrogen Fixation in the Ice Age Atlantic Ocean von Ren, H, Sigman, D.M, Meckler, A.N, Plessen, B, Robinson, R.S, Rosenthal, Y, Haug, G.H

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Increased nutrient supply to the Southern Ocean during the Holocene and its implications for the pre-industrial atmospheric CO2 rise von Studer, Anja S., Sigman, Daniel M., Martínez-García, Alfredo, Thöle, Lena M., Michel, Elisabeth, Jaccard, Samuel L., Lippold, Jörg A., Mazaud, Alain, Wang, Xingchen T., Robinson, Laura F., Adkins, Jess F., Haug, Gerald H.

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Megacity development and the demise of coastal coral communities: Evidence from coral skeleton δ15N records in the Pearl River estuary von Duprey, Nicolas N., Wang, Tony X., Kim, Taihun, Cybulski, Jonathan D., Vonhof, Hubert B., Crutzen, Paul J., Haug, Gerald H., Sigman, Daniel M., Martínez‐García, Alfredo, Baker, David M.

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Antarctic Zone nutrient conditions during the last two glacial cycles von Studer, Anja S., Sigman, Daniel M., Martínez-García, Alfredo, Benz, Verena, Winckler, Gisela, Kuhn, Gerhard, Esper, Oliver, Lamy, Frank, Jaccard, Samuel L., Wacker, Lukas, Oleynik, Sergey, Gersonde, Rainer, Haug, Gerald H.

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N isotopic composition of dissolved organic nitrogen and nitrate at the Bermuda Atlantic Time-series Study site von Knapp, Angela N., Sigman, Daniel M., Lipschultz, Fredric

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