Hain, M.P., D.M. Sigman, and G.H. Haug. 2011. “Shortcomings of the Isolated Abyssal Reservoir Model for Deglacial Radiocarbon Changes in the Mid-Depth Indo-Pacific Ocean”. Geophysical Research Letters 38. Blackwell Publishing Ltd. doi:10.1029/2010GL046158.

Hain, M.P., D.M. Sigman, and G.H. Haug. 2010. “Carbon Dioxide Effects of Antarctic Stratification, North Atlantic Intermediate Water Formation, and Subantarctic Nutrient Drawdown During the Last Ice Age: Diagnosis and Synthesis in a Geochemical Box Model”. Global Biogeochemical Cycles 24. doi:10.1029/2010GB003790.

Sigman, D.M., M.P. Hain, and G.H. Haug. 2010. “The Polar Ocean and Glacial Cycles in Atmospheric CO2 Concentration”. Nature 466: 47-55. doi:10.1038/nature09149.

Sigman, D.M., P.J. Difiore, M.P. Hain, C. Deutsch, Y. Wang, D.M. Karl, A.N. Knapp, M.F. Lehmann, and S. Pantoja. 2009. “The Dual Isotopes of Deep Nitrate As a Constraint on the Cycle and Budget of Oceanic Fixed Nitrogen”. Deep-Sea Research Part I: Oceanographic Research Papers 56: 1419-39. doi:10.1016/j.dsr.2009.04.007.

Sigman, D.M., P.J. Difiore, M.P. Hain, C. Deutsch, and D.M. Karl. 2009. “Sinking Organic Matter Spreads the Nitrogen Isotope Signal of Pelagic Denitrification in the North Pacific”. Geophysical Research Letters 36. doi:10.1029/2008GL035784.

Hain, M.P., D.M. Sigman, and G.H. Haug. 2014. “Distinct Roles of the Southern Ocean and North Atlantic in the Deglacial Atmospheric Radiocarbon Decline”. Earth and Planetary Science Letters 394. Elsevier: 198-208. doi:10.1016/j.epsl.2014.03.020.

Straub, M., D.M. Sigman, H. Ren, A. Martínez-García, A.N. Meckler, M.P. Hain, and G.H. Haug. 2013. “Changes in North Atlantic Nitrogen Fixation Controlled by Ocean Circulation”. Nature 501: 200-203. doi:10.1038/nature12397.

Hain, M.P., D.M. Sigman, and G.H. Haug. 2013. The Biological Pump in the Past. Treatise on Geochemistry: Second Edition. Vol. 8. Elsevier Inc. doi:10.1016/B978-0-08-095975-7.00618-5.

Kwon, E.Y., M.P. Hain, D.M. Sigman, E.D. Galbraith, J.L. Sarmiento, and J.R. Toggweiler. 2012. “North Atlantic Ventilation of Southern-Sourced Deep Water in the Glacial Ocean”. Paleoceanography 27. Blackwell Publishing Ltd. doi:10.1029/2011PA002211.

Hain, M.P., D.M. Sigman, J.A. Higgins, and G.H. Haug. 2015. “The Effects of Secular Calcium and Magnesium Concentration Changes on the Thermodynamics of Seawater Acid Base Chemistry: Implications for Eocene and Cretaceous Ocean Carbon Chemistry and Buffering”. Global Biogeochemical Cycles 29. Blackwell Publishing Ltd: 517-33. doi:10.1002/2014GB004986.

Studer, A.S., F. Mekik, H. Ren, M.P. Hain, S. Oleynik, A. Martínez-García, G.H. Haug, and D.M. Sigman. 2021. “Ice Age-Holocene Similarity of Foraminifera-Bound Nitrogen Isotope Ratios in the Eastern Equatorial Pacific”. Paleoceanography and Paleoclimatology 36. John Wiley and Sons Inc. doi:10.1029/2020PA004063.

Sigman, D.M., F. Fripiat, A.S. Studer, P.C. Kemeny, A. Martínez-García, M.P. Hain, X. Ai, X. Wang, H. Ren, and G.H. Haug. 2021. “The Southern Ocean During the Ice Ages: A Review of the Antarctic Surface Isolation Hypothesis, With Comparison to the North Pacific”. Quaternary Science Reviews 254. Elsevier Ltd. doi:10.1016/j.quascirev.2020.106732.

Kemeny, P.C., E.R. Kast, M.P. Hain, S.E. Fawcett, F. Fripiat, A.S. Studer, A. Martínez-García, G.H. Haug, and D.M. Sigman. 2018. “A Seasonal Model of Nitrogen Isotopes in the Ice Age Antarctic Zone: Support for Weakening of the Southern Ocean Upper Overturning Cell”. Paleoceanography and Paleoclimatology 33. John Wiley and Sons Inc.: 1453-71. doi:10.1029/2018PA003478.

Hain, M.P., D.M. Sigman, J.A. Higgins, and G.H. Haug. 2018. “Response to Comment by Zeebe and Tyrrell on ‘The Effects of Secular Calcium and Magnesium Concentration Changes on the Thermodynamics of Seawater Acid Base Chemistry: Implications for the Eocene and Cretaceous Ocean Carbon Chemistry and Buffering’”. Global Biogeochemical Cycles 32. Blackwell Publishing Ltd: 898-901. doi:10.1002/2018GB005931.