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Lear, C. H., K. Billups, R. E.M. Rickaby, L. Diester-Haass, E. M. Mawbey, and S. M. Sosdian, Breathing more deeply: Deep ocean carbon storage during the mid-Pleistocene climate transition, Geology, doi:10.1130/G38636.1, 2016.

Billups, K., H. Kunz, I. Rew, and C. Hudson,  Exploring Globorotalia truncatulinoides coiling ratios as a proxy for subtropical gyre dynamics in the northwestern Atlantic Ocean during late Pleistocene Ice Ages, Paleoceanography, 31, doi:10.1002/2016PA002927, 2016.


Billups, K., Timing is everything during deglaciations, Nature News and Views, 522, 163-164, 2015.


Poirier, R. K., and K. Billups, The intensification of northern component deep water formation during the mid-Pleistocene climate transition, Paleoceanography, 10.1002/201/2014PA0026661, 2014.

Eichler, P., K. Billups, H. Vital, Tracing thermohaline properties and productivity of shelf water masses with the stable isotopic composition of benthic foraminifera, Journal of Foraminiferal Research, 44, 352-364, 2014.

Billups, K., A. Scheinwald, Origin of millennial-scale climate signals in the subtropical North Atlantic, Paleoceanography, 29, 612-627, 2014.


Venti, N., K. Billups, and T. Herbert, Increased sensitivity of the Plio/Pleistocene northwest Pacific to obliquity forcing, EPSL, 384, 121-131, DOI: 10.10.1016/j.epsl.2013.10.007, 2013.

Diester-Haass, L., Billups, K., Jacquemin, I., Emeis, K. C., Lefebvre, V., and François, L., Paleoproductivity during the middle Miocene carbon isotope events: A data- model approach, Paleoceanography, 28, 334-346, 2013.

Venti N. and K. Billups, Surface Water Hydrography of the Kuroshio Extension during the Plio/Pleistocene climate transition, Marine Micropaleontology, 101, 106-114. Featured article in SedDB: http://www.earthchem.org/seddb


Billups, K., Aufdenkampe, A., R. Hays, Late Miocene through early Pleistocene nutrient utilization and export production in the Antarctic Zone of the Southern Ocean, Global and Planetary Change, http://dx.doi.org/10.1016/j.gloplacha.2012.11.014.

Kaufman, D., K. Cooper, R. Behl, K. Billups, J. Bright, K. Gardner, P. Hearty, M. Jakobsson, I. Mendes, M. O‘Leary, L.Polyak, T. Rasmussen, F. Rosa, M. Schmidt, Amino acid racemization in mono-specific foraminifera from Quaternary in 2 deep-sea sediments, Quaternary Geochronology, http://dx.doi.org/10.1016/j.quageo.2012.07.006.

Venti, N. L., and Billups K. Stable-isotope stratigraphy of the Pliocene-Pleistocene climate transition in the northwestern subtropical Pacific, Palaeoecology, Palaeogeography, Palaeoclimatology, doi: 10.1016/j.palaeo.2012.02.001.


Billups, K., N. Rabideaux, and J. Stoffel, Suborbital-Scale Surface and Deep Water Records in the Subtropical North Atlantic: Implications on Thermohaline Overturn, Quaternary Science Reviews, 30, 2976-2987, 2011.

Diester-Haass, L., K. Billups, and K. C. Emeis. Marine biological productivity and carbon cycling during the Oligocene to Miocene climate transition, Palaeoecology, Palaeogeography, Palaeoclimatology, 302, 464-473, 2011.


Voelker, A. H. L. , T. Rodrigues. R. Stein, J. Hefter, K. Billups, D. Oppo, J. McManus, and J. O. Grimalt. Variations in mid-latitude North Atlantic surface water properties during the mid-Brunhes (MIS 9–14) and their implications for the thermohaline circulation, Climate of the Past, 6, 531-552, 2010.

Eichler, P., K. Billups, and C. C. Velez Cardona, Tracing salinity with the stable isotopic composition of foraminiferal tests in and Atlantic coastal lagoon, Delaware, USA, Journal of Foraminiferal Research, 40, 14-33, 2010.


Billups, K., and K. Scheiderich, A synthesis of Late Oligocene through Miocene deep sea temperatures as inferred from foraminiferal Mg/Ca ratios, Int. Assoc. Sedimentol Spec. Publ. 42, 1-16, 2009.

Diester-Haass, L., K. Billups, D. R. Gröcke, L. François, V. Lefebvre, and K. C. Emeis (2009), Mid-Miocene paleoproductivity in the Atlantic Ocean and implications for the global carbon cycle, Paleoceanography, 24, PA1209, doi:10.1029/2008PA001605.


Weirauch, D., Billups, K. and P. Martin, Evolution of Millennial-Scale Climate Variability During the Mid Pleistocene, Paleoceanography, 23, PA3216, doi:10.1029/2007PA001584.

Billups, K., Kelly, C., Pierce, E., The Late Miocene to Early Pliocene Climate Transition in the Southern Ocean, Palaeoecology, Palaeogeography, Palaeoclimatology, 267, 31-40, 2008.

Lazarus, D., Bittniok, B., Diester-Haass, L., Billups, K., Ogaway, Y., Takahashi, K., Meyers, P., Radiolarian and sedimentologic paleoproductivity proxies in late Pleistocene sediments of the Benguela Upwelling System, ODP Site 1084, Marine Micropaleontology, 68, 223-235, 2008.

Waite, A., L. Diester-Haass, S. Gibbs, R. Rickaby, and K. Billups, A Top-down and Bottom-up Comparison of paleoproductivity proxies: Calcareous Nannofossil Sr/Ca Ratios and Benthic Foraminiferal Accumulation Rates, G-Cubed, 9, doi: 10/1029/2007GC001812, 2008 2008.


Ravelo, A.C., K. Billups, PS. Dekens, T.D. Herbert, and K.T. Lawrence. Onto the Ice Ages: Proxy Evidence for the onset of Northern Hemisphere Glaciation, in Deep-time perspectives on climate change: marrying the signal from computer models and biological proxies, M. Williams, A. M. Haywood, J. Gregory and D. Schmidt (eds), The Geological Society of London & The Micropalaeontological Society, (2007).


Diester-Haass, L., K. Billups, and K. C. Emeis, The late Miocene carbon isotope shift and marine biological productivity in the Indo-Pacific Ocean (ODP Sites 721, 1172, 1146, and 846): a (dusty) link? Paleoceanography, 21, doi.:10.1029/2006PA001267, 2006.

Billups, K., C. Lindley, J. Fisler, and P. Martin, Mid Pleistocene climate instability in the subtropical northwestern Atlantic, Global Planetary Change, 54, 251-262, 2006.

Lazarus, D., Bittniock, B., Meyers, P., Diester-Haass, L., and K. Billups, Comparison of radiolarian and sedimentologic Paleoproductivity proxies in the latest Miocene-Recent Benguela Upwelling System, Marine Micropaleontology, 60, 269-294, 2006.


Diester-Haass, L., K. Billups, and K. C. Emeis, In search of the late Miocene-early Pliocene „Biogenic Bloom“ in the Atlantic Ocean, (ODP Sites 982, 925, 1088) Paleoceanography, 20, 10.1029/2005PA001139.

Niemitz, M. D., and K. Billups, Millennial-scale variability in western tropical Atlantic surface ocean hydrography during the early Pliocene, Marine Micropaleontol., 54, 155-166, 2005.


Billups, K., R. Rickaby, and D. P. Schrag, Cenozoic pelagic Sr/Ca records: Exploring a link to paleoproductivity, Paleoceanography, 19, doi.:10.1029/2004PA001011, 2004.

Billups, K., W. Chaisson, M. Worsnopp, and R. Thunell, Millennial-Scale Fluctuations in Subtropical Northwestern Atlantic Surface Ocean Thermal Stratification, Paleoceanography, 19, doi: 10.1029/2003PA000990, 2004.

Billups, K., H. Paelike, J. Channell, J. Zachos, N. Shackleton, Astronomic Calibration of the Late Oligocene Through Early Miocene Geomagnetic Polarity Time Scale, EPSL, 224, 33-44, 2004.

Rosenthal, Y., S. Perron-Cashman, C. H. Lear, E. Baard, S. Barker, K. Billups, M. Bryan, M. L. Delaney, P. B. deMenocal, G. S. Dwyer, H. Elderfield, C. R. German, M. Greaves, D. W. Lea, T. M. Machiotto, D. K. Pak, A. C. Ravelo, G. L. Paradis, A. D. Russell, R. R. Schneider, K. Scheiderich, L. Stott, K. Tachikawa, E. Tapa, R. Thunell, M. Wara, S. Weldeab, P. A. Wilson, Inter-laboratory comparison study of Mg/Ca and Sr/Ca, measurements in planktonic foraminifera for paleoceanographic research, Geochemistry, Geophysics, Geosystems, 5 (4), 10.1029/2003GC000650, 2004.


Billups, K., and D. P. Schrag, Application of benthic foraminiferal Mg/Ca ratios to questions of early Cenozoic climate change, Earth and Planetary Science Letters, 209, 181-195, 2003.

Channell, J.E.T., S. Galeotti, E.E. Martin, K. Billups, H. Scher, and J.S. Stoner, Eocene to Miocene magnetic, bio- and chemostratigraphy at ODP Site 1090 (subantarctic South Atlantic), Geological Society of America Bulletin, 115, 607-623, 2003.


Billups, K., Late Miocene through early Pliocene deep water circulation and climate change viewed from the subantarctic Southern Ocean, Palaeoecology, Palaeogeography, Palaeoclimatology, 185, 287-307, 2002.

Billups, K., J. Channell, and J. Zachos, Late Oligocene to Early Miocene Geochronology and Paleoceanography From the Subantarctic South Atlantic, Paleoceanography, 17 (1), 10.1029/2000PA000568, 2002.

Billups, K., and D. P. Schrag, Paleotemperatures and Ice-Volume of the Past 27 myr Revisited with Paired Mg/Ca and Stable Isotope Measurements on Benthic Foraminifera, Paleoceanography, 17 (1), 10.1029/2000PA000567, 2002.


Zachos, J., M. Pagani, L. Sloan, E. Thomas, and K. Billups, Trends, rhythms, and aberrations in global climate 65 Ma to present, Science, 292, 686-693, 2001.


Billups, K., and D. P. Schrag, 2000, Surface Ocean Density Gradients during the Last Glacial Maximum, Paleoceanography, 15, 110-123.


Billups, K., A. C. Ravelo and J. C. Zachos, and D. Norris, 1999, Link between oceanic heat transport, thermohaline circulation and the Intertropical Convergence Zone in the early Pliocene Atlantic, Geology, 27, 319-322.


Billups, K., A. C. Ravelo and J. C. Zachos, 1998b, Early Pliocene Climate: A Perspective From the Western Equatorial Atlantic Warm Pool, Paleoceanography, 13, 459-470.

Billups, K., A. C. Ravelo and J. C. Zachos, 1998a, Early Pliocene Deep Water Circulation in the Western Equatorial Atlantic: Implications for High Latitude Climate Change, Paleoceanography, 13, 84-95.


Billups, K., A. C. Ravelo and J. C. Zachos, 1997, Early Pliocene Deep-Water Circulation: Stable Isotope Evidence for Enhanced Northern Component Deep-Water Formation. Proc. ODP, Sci. Results, 154, 319-330.


Billups K. and H. J. Spero, 1996, Reconstructing the Stable Isotope Geochemistry and Paleotemperatures of the Equatorial Atlantic During the Last 150,000 years: Results from Individual Foraminifera. Paleoceanography, 11, 217-238.


Billups K. and H. J. Spero, 1995, Relationship Between Shell Size, Thickness and Stable Isotopes in Individual Planktonic Foraminifera from Two Equatorial Atlantic Cores. Journal of Foraminiferal Research, 25 (1): 24-37.


Hofmeister, A. M. and K. Billups, 1991, Comparison of Infrared Reflectance Spectra of KXF3 Perovskites. Spectrochimica Acta 47a, 1607-1617


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