Principal Investigator: Daniel M. Sigman (Princeton University)
Paleoceanography~2015~0~Ren, Haojia and Studer, Anja S and Serno, Sascha and Sigman, Daniel M and Winckler, Gisela and Anderson, Robert F and Oleynik, Sergey and Gersonde, Rainer and Haug, Gerald H~10.1002/2014PA002765~1--16~~~~{Glacial-to-interglacial changes in nitrate supply and consumption in the subarctic North Pacific from microfossil-bound N isotopes at two trophic levels}~~~~~~2016-04-03 13:11:08.766~
GLOBAL BIOGEOCHEMICAL CYCLES~2015~29~Smart, Sandi M and Fawcett, Sarah E and Thomalla, Sandy J and Weigand, Mira A and Reason, Chris J C and Sigman, Daniel M~10.1002/2014GB005013~427--445~~~~{Isotopic evidence for nitrification in the Antarctic winter mixed layer}~~~~~~2016-04-03 13:11:08.800~
Paleoceanography~2015~30~Studer, Anja S and Sigman, Daniel M and Mart{\'\i}nez-Garcia, Alfredo and Benz, Verena and Winckler, Gisela and Kuhn, Gerhard and Esper, Oliver and Lamy, Frank and Jaccard, Samuel L and Wacker, Lukas and Oleynik, Sergey and Gersonde, Rainer and Haug, Gera~10.1002/2014PA002745~845--862~~~~{Antarctic Zone nutrient conditions during the last two glacial cycles}~~~~~~2016-04-03 13:11:08.803~
Global Biogeochemical Cycles~2016~30~Kemeny, P.C., M.A. Weigand, R. Zhang, B.R. Carter, K. L. Karsh, S. E. Fawcett, D. M. Sigman~10.1002/2015GB005350~1069~~~~Enzyme-level interconversion of nitrate and nitrite in the fall mixed layer of the Antarctic Ocean~~~~~~2017-03-13 17:17:36.723~
Global {\ldots}~2016~~Kemeny, P C and Weigand, M A and Zhang, R~10.1002/2015GB005350/pdf~~~~~{Enzyme-level interconversion of nitrate and nitrite in the fall mixed layer of the Antarctic Ocean}~~~~~~2018-04-16 16:30:09.16~
Proceedings of the National Academy of Sciences~2017~114~Ren, Haojia and Sigman, Daniel M and Mart{\'\i}nez-Garcia, Alfredo and Anderson, Robert F and Chen, Min-Te and Ravelo, Ana Christina and Straub, Marietta and Wong, George T F and Haug, Gerald H~10.1073/pnas.1701315114~E6759--E6~~~~{Impact of glacial/interglacial sea level change on the ocean nitrogen cycle}~~~~~~2018-04-16 16:30:09.40~
Paleoceanography~2015~0~Ren, Haojia and Studer, Anja S and Serno, Sascha and Sigman, Daniel M and Winckler, Gisela and Anderson, Robert F and Oleynik, Sergey and Gersonde, Rainer and Haug, Gerald H~10.1002/2014PA002765~1--16~~~~{Glacial-to-interglacial changes in nitrate supply and consumption in the subarctic North Pacific from microfossil-bound N isotopes at two trophic levels}~~~~~~2018-04-16 16:30:09.46~
GLOBAL BIOGEOCHEMICAL CYCLES~2015~29~Smart, Sandi M and Fawcett, Sarah E and Thomalla, Sandy J and Weigand, Mira A and Reason, Chris J C and Sigman, Daniel M~10.1002/2014GB005013~427--445~~~~{Isotopic evidence for nitrification in the Antarctic winter mixed layer}~~~~~~2018-04-16 16:30:09.50~
Paleoceanography~2015~30~Studer, Anja S and Sigman, Daniel M and Mart{\'\i}nez-Garcia, Alfredo and Benz, Verena and Winckler, Gisela and Kuhn, Gerhard and Esper, Oliver and Lamy, Frank and Jaccard, Samuel L and Wacker, Lukas and Oleynik, Sergey and Gersonde, Rainer and Haug, Gera~10.1002/2014PA002745~845--862~~~~{Antarctic Zone nutrient conditions during the last two glacial cycles}~~~~~~2018-04-16 16:30:09.56~
Proceedings of the National Academy of Sciences~2017~114~Wang, Xingchen Tony and Sigman, Daniel M and Prokopenko, Maria G and Adkins, Jess F and Robinson, Laura F and Hines, Sophia K and Chai, Junyi and Studer, Anja S and Mart{\'\i}nez-Garcia, Alfredo and Chen, Tianyu and Haug, Gerald H~10.1073/pnas.1615718114~201615718~~~~{Deep-sea coral evidence for lower Southern Ocean surface nitrate concentrations during the last ice age}~~~~~~2018-04-16 16:30:09.60~
GEOCHIMICA ET COSMOCHIMICA ACTA~2019~247~Fripiat, Francois and Martinez-Garcia, Alfredo and Fawcett, Sarah E and Kemeny, Preston C and Studer, Anja S and Smart, Sandi M and Rubach, Florian and Oleynik, Sergey and Sigman, Daniel M and Haug, Gerald H~10.1016/j.gca.2018.12.003~261--279~~~~{The isotope effect of nitrate assimilation in the Antarctic Zone: Improved estimates and paleoceanographic implications}~~~~~~2019-08-15 05:46:11.350~
Paleoceanography and Paleoclimatology~2018~33~Kemeny, P C and Kast, E R and Hain, M. P. and Fawcett, S E and Fripiat, F. and Studer, A S and Martinez-Garcia, A. and Haug, G H and Sigman, D M~10.1029/2018PA003478~1453--147~~~~{A Seasonal Model of Nitrogen Isotopes in the Ice Age Antarctic Zone: Support for Weakening of the Southern Ocean Upper Overturning Cell}~~~~~~2019-08-15 05:46:11.356~
Nature Geoscience~2018~11~Studer, A. S., D.M. Sigman, A. Martinez-Garcia, L. M. Thole, E. Michel, S.L. Jaccard, Jorg A. Lippold, Alain Mazaud, X.T. Wang, L. F. Robinson, J. F. Adkins and G. H. Haug~10.1038/s41561-018-0191-8~1--6~~~~Increased nutrient supply to the Southern Ocean during the Holocene and its implications for the pre-industrial atmospheric CO2 rise~~~~~~2019-08-15 05:46:11.363~
Proceedings of the National Academy of Sciences~2017~114~Wang, Xingchen Tony and Sigman, Daniel M and Prokopenko, Maria G and Adkins, Jess F and Robinson, Laura F and Hines, Sophia K and Chai, Junyi and Studer, Anja S and Mart{\'\i}nez-Garcia, Alfredo and Chen, Tianyu and Haug, Gerald H~10.1073/pnas.1615718114~201615718~~~~{Deep-sea coral evidence for lower Southern Ocean surface nitrate concentrations during the last ice age}~~~~~~2019-08-15 05:46:11.370~