Publications
Zhao, N, O. Marchal, L.D. Keigwin, D.E. Amrhein, and G. Gebbie, 2018. A synthesis of deglacial deep-sea radiocarbon records and their (in)consistency with modern ocean ventilation, Paleoceanography and Paleoclimate, 10.1002/2017PA003174.
Thornalley, D..J.R, D.W.Oppo, P. Ortega, J.I. Robson, C.M. Brierley, R. Davis, I.R. Hall, P. Moffa-Sanchez, N. L. Rose, P. T. Spooner, I. Yashayaev, L.D. Keigwin, 2018. Anomalously weak Labrador Sea convection and Atlantic overturning during the past 150 years, Nature.
Keigwin, L.D. and S. A. Swift, 2017. Carbon isotope evidence for a northern source of deep water in the glacial western North Atlantic, PNAS, 114, 2831-2835.
- Gil, I.M., L.D. Keigwin, F. Abrantes, 2016. Reply to comment received from A. E. Carlson et al. regarding “The deglaciation over Laurentian Fan: History of diatoms, IRD, ice and fresh water” by Gil et al. 2015. Quat. Sci. Rev. 129, 57-67.
- Lund, S., L. Keigwin, D. Darby, 2016. Character of Holocene paleomagnetic secular variation in the tangent cylinder: Evidence from the Chukchi Sea. Physics Earth and Planetary Interiors, 256, 49-58.
- Henry, L.G., J.F. McManus, W. B. Curry, N. L. Roberts, A.M. Piotrowski, L.D. Keigwin, 2016. North Atlantic ocean circulation and abrupt climate change during the last glaciation. Science, 353, 470-474.
O’Dea, A., H. A. Lessios, A.G. Coates, R. I. Eytan, S. A. Restrepo-Moreno, A.L. Cione, L. S. Collins, A. de Queiroz, D.W. Farris, R.D. Norris, R.F. Stallard, M.O. Woodburne, O. Aguilera, M.-P. Aubry, W.A. Berggren, A.F. Budd, M.A. Cozzuol, S.E. Coppard, H.Duque-Caro, S. Finnegan, G.M. Gasparini, E.L. Grossman, K.G. Johnson, L.D. Keigwin, N.Knowlton, E.G. Leigh, J.S. Leonard-Pingel, P.B. Marko, N.D. Pyenson, P.G. Rachello-Dolmen, E. Soibelzon, L. Soibelzon, J.A. Todd, G.J. Vermeij, J.B.C. Jackson, 2016. Formation of the Isthmus of Panama,
Science Advances, 2, e1600883.
Keigwin, L.D. and A.R. Gagnon, 2015. Comparison of large and ultra-small D14C measurements in core top benthic foraminifera from the Okhotsk Sea. Radiocarbon 57(1):1-6, doi: 10.2458/azu_rc.57.18153
Keigwin, L.D. and C.H. Pilskaln, 2015. Sediment flux and recent paleoclimate in Jordan Basin, Gulf of Maine. Continental Shelf Research. doi: 10.1016/j.csr.2015.01.008
Prange, M., S. Steph, H. Liu, L.D. Keigwin, and M. Schulz, 2015. Hydroclimatic variability in the Panama Bight region during Termination 1 and the Holocene. In, M. Schulz and A. Paul (Eds.), Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC), Springer Briefs in Earth System Sciences, doi 10.1007/978-3-319-00693-2_11.
Cook, M. S. and L.D. Keigwin, 2015. Radiocarbon profiles of the NW Pacific from the LGM and deglaciation. Paleoceanography 30, doi:10.1002/2014PA002649.
Keigwin, L.D., S.J. Lehman, 2015. Radiocarbon evidence for a benthic front near 3.1 km in the Equatorial Pacific Ocean. Earth and Planetary Sci. Lett. http://dx.doi.org/10.1016/j.epsl.2015.05.025.
Naughton, F., L.D. Keigwin, D. Peteet, S. Costas, S. Desprat, D. Oliviera, A. de Vernal, A. Voelker, F. Abrantes, 2015. A 12,000-yr pollen record off Cape Hatteras- Pollen sources and mechanisms of pollen dispersion, Marine Geology. MARGO5671R1
Gil, I.M., L.D. Keigwin, F. Abrantes, 2015. The deglaciation over the Laurentian Fan: history of diatoms, ice and fresh water. Quaternary Science Reviews 129:57-67, doi: 10.1016/j.quascirev.2015.10.006.
Lam, P. J., L. F. Robinson, J. Blusztajn, C. Li, M. S. Cook, J.F. McManus, and L. D. Keigwin, 2013. Transient stratification as the cause of the North Pacific productivity spike during deglaciation. Nature Geoscience 6, 622-626, doi10.1038/ngeo1873.
Cook, M.S., L. D. Keigwin, D. Birgel, and K.-U. Hinrichs, 2011. Repeated pulses of vertical methane flux recorded in glacial sediments from the southeast Bering Sea, Paleoceanography, 26, PA2210, doi:10.1029/2010PA001993.
Saenger, C., R. Came, L. Keigwin, and A. Cohen, 2011. Regional climate variability in the western subtropical North Atlantic during the past two millennia. Paleoceanography, 26, PA2206, doi:10.1029/2010PA002038.
Farmer, J.R., T. M. Cronin, A. de Vernal, G. S. Dwyer, L. D. Keigwin, R. C. Thunell, 2011. Temperature variability in the western Arctic Ocean during the last 8000 years. Geophysical Research Letters, 38, L24602, doi:10.1029.2011GL049714.
Roberts, N. L., A. M. Piotrowski, J. McManus, L. Keigwin, 2010. Synchronous deglacial overturning and water mass source changes. Science v. 327:75-78.
dePol-Holz, R., L. Keigwin, J. Southon, D. Hebbeln, and M. Mohtadi, 2010. No signature of abyssal carbon in intermediate waters off Chile during deglaciation, Nature Geosciences, 3, 192-195, doi:10.1038/NGEO745.
Prange, M., S. Steph, M. Schulz, and L. Keigwin, 2010. Reconstructing moisture transport across Central America: Can modern analogs of climate variability help reconcile paleosalinity records? Quaternary Sci. Rev, doi:10.1016/j.quascirev.2010.02.029
Brunelle, B.G., D. M. Sigman, S. L. Jacccard, L.D. Keigwin, B. Plessen, G. Schettler, M.S. Cook, and G. H. Haug, 2010. Upper ocean conditions in the western subarctic North Pacific since Stage 6: Glacial/interglacial stratification changes and an early deglacial mystery event, Quaternary Science Reviews, doi:10.1016/j.quascirev.2010.03.010.
Kurzweil, F., M. Gutjahr, D. Vance, and L. Keigwin, 2010. Authigenic Pb isotopes from the Laurentian Fan: changes in chemical weathering and patterns of North American freshwater runoff during the last deglaciation, Earth Planet Sci. Lett., 299, p.458-465.
Gutjahr, M., M. Frank, A. N. Halliday, L. D. Keigwin, 2009. Retreat of the Laurentide ice sheet tracked by the isotopic composition of Pb in western North Atlantic seawater during termination 1. EPSL doi:10.1016/j.epsl.2009.07.020
Keigwin, L. D. and T. P. Guilderson, 2009. Bioturbation artifacts in zero-age sediments. Paleoceanography, 24, PA4212, doi:10.1029/2008PA001727.
Gil, I. M., L. D. Keigwin, F. Abrantes, 2009. Deglacial diatom productivity and surface ocean properties over the Bermuda Rise, northeast Sargasso Sea. Paleoceanography, v. 24, 4, doi:10.1029/2008PA001729.
Gutjahr, M., M. Frank, C. H. Stirling, L. D. Keigwin, A. N. Halliday, 2008. Tracing the Nd isotope evolution of North Atlantic Deep and Intermediate Waters in the western North Atlantic since the last glacial maximum from Blake Ridge sediments, Earth and Planetary Sci. Lett., v. 266:61-77.
Carlson, A. E., D. W. Oppo, R. E. Came, A. N. LeGrande, L. D. Keigwin, and W. B. Curry, 2008. Subtropical Atlantic salinity variability and Atlantic meridional circulation during the last deglaciation, Geology v. 36:991-994.
Brunelle, B. G., D. M. Sigman, M. S. Cook, L. D. Keigwin, G. H. Haug, B. Mingram, and G. Schettler, 2007. Evidence from diatom-bound nitrogen isotopes for Subarctic Pacific stratification during the last ice age and a link to North Pacific denitrification changes. Paleoceanography, v. 22, doi 10.1029/2005PA001205.
Keigwin, L.D. and M. S. Cook, 2007. A role for North Pacific salinity in stabilizing North Atlantic climate, Paleoceanography, v. 22, PA3102, doi:10.1029/2007PA001420.
Pahnke, K. J. Sachs, L. D. Keigwin, A. Timmerman, and S.-P. Xie, 2007. Eastern tropical Pacific hydrologic changes during the past 27,000 years from D/H ratios in alkenones. Paleoceanography, v.22, doi:10.1029/2007PA001468.
Keigwin, L.D. and E.A. Boyle, 2008. Did North Atlantic overturning halt 17,000 years ago? Paleoceanography v.23, doi:10.1029/2007PA001500.
Hill, J. C., N. W. Driscoll, J. Brigham-Grette, J. P. Donnelly, P. T. Gayes, and L. D. Keigwin, 2007. New evidence for high discharge to the Chukchi shelf since the Last Glacial Maximum, Quaternary Research, v. 68, p. 271-279, doi:10.1016/j.yqres.2007.04.004.
Keigwin, L. D., J. P. Donnelly, M. S. Cook, N. W. Driscoll, and J. Brigham-Grette, 2006. Flooding of Bering Strait, and Holocene climate in the Chukchi Sea, Geology, v. 34, p. 861-864.
Ohkouchi, N. T. I. Eglinton, K. A. Hughen, E. Roosen, L. D. Keigwin, 2005. Radiocarbon dating of alkenones from marine sediments III. Influence of solvent extraction procedures on C-14 measurements of foraminifera, Radiocarbon, v. 47, p. 425-432.
Donnelly, J. P., N. W. Driscoll, E. Uchupi, L. D. Keigwin, W. C. Schwab, E. R. Thieler, S. A. Swift, 2005. Catastrophic meltwater discharge down the Hudson Valley: A potential trigger for the Intra-Allerod cold period, Geology, v. 33, p. 89-92 (doi: 10.1130/Gc1043.1).
Keigwin, L.D., J. Sachs, Y. Rosenthal, and E.A. Boyle, 2005. The 8200 year B.P. event in the slope water system, western subpolar North Atlantic. Paleoceanography, v.20, PA2003, doi: 10.1029/2004PA001074.Lund, S.P., M. Schwartz, L. Keigwin, and T. Johnson, 2005. Deep-Sea records of the Laschamp geomagnetic field excursion (~41,000 calendar years before present). Jour. Geophys. Res., v. 110, B04101, doi:10.1029/2003JB002943.
Keigwin, L.D., M. Bice, and N. Copley, 2005. Seasonality and stable isotopes in planktonic foraminifera off Cape Cod, Massachusetts. Paleoceanography, v. 20, PA4011, doi: 10.1029/2005PA001150
Robinson, L. F., J. F. Adkins, L. D. Keigwin, J. Southon, D. P. Fernandez, S.-l. Wang, and D. Scheirer, 2005. Radiocarbon variability in the western North Atlantic during the last deglaciation. Science ,v. 310, p. 1469-1473.
Cook, M.S., L. D. Keigwin, C. A. Sancetta, 2005. The deglacial history of surface and intermediate water of the Bering Sea, Deep-Sea Res, v. 52, p. 2163-2173.
Carman, M. and L. Keigwin, 2004. Preservation and color differences in Nuttalides umbonifera. Jour. Foram. Res., v.34, p. 102-108.
McManus, J.F., R. Francois, J.-M. Gherardi, L. D. Keigwin, and S. Brown-Leger, 2004. Collapse and rapid resumption of Atlantic meridional circulation linked to deglacial climate changes. Nature, v. 428, p. 834-837.
Crusius, J., T. F. Pedersen, S. Kienast, L. Keigwin, and L. Labeyrie., 2004. Influence of northwest Pacific productivity on North Pacific Intermediate Water oxygen concentrations during the Bolling-Allerod interval (14.7-12.9 ka). Geology, v.32, p. 633-636.
Gorbarenko, S.A., J. R. Southon, L. D. Keigwin, M.V. Cherepanova, and I.G. Gvozdeva, 2004. Late Pleistocene-Holocene oceanographic variability in the Ohkotsk Sea: geochemical, lithological and paleontological evidences. Palaeo., Palaeo., Palaeo., v. 209, p. 281-301.
Keigwin, L.D. 2004. Radiocarbon and stable isotope constraints on last glacial maximum and Younger Dryas ventilation in the western North Atlantic. Paleoceanography, v.19, doi: 10.1029/2004PA001029.
Keigwin, L. D., Y. Rosenthal, and J. P. Sachs, 2003. A 1600-year history of the Labrador Current off Nova Scotia, Climate Dynamics v.21, p. 53-62.
Martinez, I., L. Keigwin, T. T. Barrows, Y. Yokoyama, and J. Southon, 2003. La Nina-like conditions in the eastern Equatorial Pacific and a stronger Choco Jet in the northern Andes during the last glaciation, Paleoceanography, v. 18 (2) 1033 doi:10.1029/2002PA000877
Hagen, S. and Keigwin, L. D., 2002. Sea surface temperature variability and deep water reorganizations in the subtropical North Atlantic during isotope Stage 2-4, Marine Geology, v.189, p. 145-162.
Grutzner, J., L. Giosan, S. O. Franz, R. Tiedemann, E. Cortijo, W. P. Chaisson, R. D. Flood, S. Hagen, L. D. Keigwin, S. Poli, D. Rio, and T. Williams, 2002. Astronomical age models for Pleistocene drift sediments from the western North Atlantic (ODP Sites 1055 to 1063), Marine Geology, v.189, p. 5-23.
Cagatay, M. N., L. D. Keigwin, N. Okay, E. Sari, O. Algan, 2002. Variability of clay-mineral composition on Carolina Slope (NW Atlantic) during marine isotope stages 1-3 and its paleoceanographic significance, Marine Geology, v. 189, p. 163-174.
Keigwin, L. D., 2002. Late Pleistocene-Holocene paleoceanography and ventilation of the Gulf of California, Journal of Oceanography, v. 58, p. 421-432.
Keigwin, L.D. and M. A. Schlegel, 2002. Ocean ventilation and sedimentation since the glacial maximum at 3 km in the western North Atlantic, Geochemistry, Geophysics, Geosystems, 2001GC000283.
McManus, J.F., D. W. Oppo, L. D. Keigwin, J. L. Cullen, and G. C. Bond, 2002. Thermohaline circulation and prolonged interglacial warmth in the North Atlantic. Quaternary Research,v. 58, p.17-21.
Kukla, G.J., M. L. Bender, J.-L. de Beaulieu, G. Bond, W. S. Broecker, P. Cleveringa, J. E. Gavin, T. Herbert, J. Imbrie, J. Jouzel, L. D. Keigwin, K.-L. Knudsen, J. McManus, D. R. Muhs, H. Muller, R. Z. Poore, S. C. Porter, G. Seret, N. J. Shackleton, C. Turner, P. C. Tzedakis, and I. J. Winograd, 2002. Last interglacial climates, Quaternary Research v. 58, p.2-13.
Lehman, S.J., J. P. Sachs, A. M. Crotwell, L. D. Keigwin, and E. A. Boyle, 2002. Relation of subtropical Atlantic temperature, high latitude ice rafting, deep water formation, and European climate 135,000-60,000 years ago, Quaternary Science Reviews, v. 21, p. 1917-1924.
Ohkouchi, N., T. I. Eglinton, L. D. Keigwin, J. M. Hayes. 2002. Spatial and temporal offsets between proxy records in a sediment drift, Science, v. 298, p. 1224-1237.
Oppo, D. W., Keigwin, L., and McManus, J. F., and Cullen, J. L., 2001. Persistent suborbital climate variability during Marine Isotope Stage 5 and Termination II, Paleoceanography, v.16, p.280-292.
Keigwin, L. D. and Boyle, E. A., 2000. Detecting Holocene changes in thermohaline circulation. Proceedings National Academy of Sciences, v.97, p. 1343-1346.
Ternois, Y., Kawamura, K., Ohkouchi, N., and Keigwin, L., 2000. Alkenone sea surface temperature in the Okhotsk Sea for the last 15 kyr. Geochemical Journal, v.34, p. 283-293.
Ternois, Y., Kawamura, K., Keigwin, L., Ohkouchi, N., and Nakatsuki, T., 2000. A biomarker approach for assessing marine and terrigenous inputs to the Okhotsk Sea sediments for the last 27,000 years. Geochimica et Cosmochimica Acta, v.65, p. 791-802.
Mix, A.C., E. Bard, G. Eglinton, L. D. Keigwin, A. C. Ravelo, and Y. Rosenthal, 2000. Alkenones and multiproxy strategies in paleoceanographic studies. Geochem., Geophysics, Geosystems, v. 1.http://146.201.254.53/publicationsfinal/articles/2000GC000056/fs2000GC000056.html
Keigwin, L. D. and Boyle, E. A., 1999. Surface and Deep Ocean variability in the northern Sargasso Sea during marine isotope Stage 3. Paleoceanography, v.14, p. 164-170.
Keigwin, L.D. and Pickart, R.S., 1999. The slope water current over the Laurentian Fan on interannual to millennial timescales, Science, v.286, p. 520-523.
Cortijo, E., Lehman, S., Keigwin, L., Chapman, M., Paillard, D., and Labeyrie, L., 1999. Changes in meridional temperature and salinity gradients in the North Atlantic Ocean (30 to 72N) during the last interglacial period. Paleoceanography, v. 14, p. 23-33.
Andrews, J. T., Keigwin, L., Hall, F., Jennings, A. E., 1999. Abrupt deglaciation events and Holocene paleoceanography from high-resolution cores, Cartwright Saddle, Labrador Shelf, Canada. Jour. Quaternary Sci. 14, p. 383-397.
Pride, C., Thunell, R. Sigman, D., Keigwin, L., Altabet, M., and Tappa, E., 1999. Changes in North Pacific Intermediate Water ventilation since the last glacial maximum: Nitrogen isotopic evidence from the Gulf of California. Paleoceanography, v. 14, p. 397-409.
Alley, R., Clark, P. U., Keigwin, L. D., and Webb, R. S., 1999. Making sense of millennial-scale climate change. In, Clark, P. U., Webb, R. S., and Keigwin, L. D., Eds., Mechanisms of global climate change, Geophys. Monograph 112, (American Geophys. Union: Washington, D. C.), 385-394.
Keigwin, L.D., 1998. Glacial-age hydrography of the far Northwest Pacific Ocean. Paleoceanography, v.13, p. 323-339.
Keigwin, L. D., Rio, D., Acton, G.D., et al., 1998. Proceedings of the Ocean Drilling Program, Initial Reports, Vol. 172.
Adkins, J. F., Boyle, E. A., Keigwin, L., and Cortijo, E., 1997. Variability of the North Atlantic thermohaline circulation during the last interglacial period. Nature, v. 390, p. 154-156.
Sikes, E.L. and Keigwin, L.D., 1996. A reexamination of northeast Atlantic sea surface temperature and salinity over the last 16 kyr, Paleoceanography, v. 11, p. 327-342.
Clark, P.U., Alley, R.B., Keigwin, L.D., et al., 1996. Origin of the first global meltwater pulse following the last glacial maximum, Paleoceanography, v.11, p. 563-577.
Keigwin, L.D., 1996. The Little Ice Age and Medieval Warm Period in the Sargasso Sea. Science, v.274, p. 1504-1508.
Keigwin, L.D. and Jones, G.A., 1995. The marine record of deglaciation from the continental margin off Nova Scotia, Paleoceanography, v. 10, p. 973-985.
Keigwin, L.D., 1995. Stable isotope stratigraphy and chronology of the Upper Quaternary section at Site 883, Detroit Seamount, Proceedings, Ocean Drilling Program, v.145, p. 257-264.
Sikes, E.L. and Keigwin, L.D., 1994. Equatorial Atlantic sea surface temperature for the last 30 ky: A comparison of Uk'37, d18O and foraminiferal assemblage temperature estimates, Paleoceanography, v.9, p.31-45.
Lund, S.P. and Keigwin, L.D., 1994. Measurement of the degree of smoothing in sediment paleomagnetic records: an example from late Quaternary deep-sea sediments of the Bermuda Rise, western North Atlantic Ocean. Earth Planet Sci. Lett. v.122, p.317-330.
Keigwin, L.D. and Lehman, S.J., 1994. Deep circulation change linked to Heinrich event 1 and Younger Dryas in a middepth North Atlantic core, Paleoceanography, v. 9, p.185-194.
McCorkle, D.C., and Keigwin, L.D., 1994. Depth profiles of d13C in bottom water and core-top C. wuellerstorfi on the Ontong-Java Plateau and Emperor Seamounts, Paleoceanography, v.9, p.197-208.
Keigwin, L.D. and Jones, G.A., 1994. Western North Atlantic evidence for millennial-scale changes in ocean and climate. Jour. Geophys. Res., v.99, p.12397-12410.
Colman, S.M., Keigwin, L.D. and Forester, R.M., 1994. Two episodes of meltwater influx from glacial Lake Agassiz into the Lake Michigan Basin and their climatic contrasts. Geology, v.22, p.547-550.
Colman, S.M., Forester, R.M. and 7 others, 1994. Lake-level history of Lake Michigan for the past 12,000 years: The record from deep lacustrine sediments. Jour. Great Lakes Res., v.20, p.73-92.
Keigwin, L.D., Curry, W.B., Lehman, S.J. and Johnsen, S., 1994. The role of the deep ocean in North Atlantic climate change between 70 and 130 kyr ago, Nature, v.371, p.323-326.
Keigwin, L.D. and Gorbarenko, S.A., 1992. Influence of Late Quaternary Sea Level Change on the Japan Sea and Possible Consequences for the Northwest Pacific Ocean, Quaternary Research v. 37, 346-360.
Lehman, S.J. and Keigwin, L.D., 1992. Sudden changes in North Atlantic circulation during the last deglaciation, Nature, v. 356, 757-762.
Lehman, S.J. and Keigwin, L.D., 1992a. Deep circulation revisited, Nature, v. 358, 197.
Keigwin, L.D. and Johnson, G.L., 1992. Using a nuclear submarine for Arctic research, EOS v. 73, 209-221.
Keigwin, L.D., Jones, G.A. and Froelich, P.N., 1992. A 15,000 year paleoenvironmental record from Meiji Seamount, far northwestern Pacific, Earth and Planetary Sci. Lett., v.111, 425-440.
Lehman, S.J.Jones, G.A., Keigwin, L.D. et al., 1991, Initiation of Fennoscandian Ice Sheet Retreat during the Last Deglaciation, Nature, v. 349, p. 513-516.
Sikes, E.L., Keigwin, L.D., Curry, W.B., 1991. Pliocene Paleoceanography: Deep Circulation Changes Associated with the 2.4 M.Y. Glacial Event, Paleoceanography, v. 6, p. 245-257.Sikes, E.L., Farrington, J.W. and Keigwin, L.D., 1991. Use of alkenone unsaturation ratio Uk-37 to determine past sea surface temperatures: core-top SST correlations and methodology considerations, Earth and Planet. Sci. Lett., v. 104, p. 36-47.
Keigwin, L.D., Jones, G.A., Lehman, S.J., and Boyle, E.A., 1991. Deglacial Meltwater Discharge, North Atlantic Deep Circulation and Abrupt Climate Change, J. of Geophys. Res. v. 96, 16811-16826.
McCorkle, D.C., Keigwin, L.D., Corliss, B.H. and Emerson, S.R.,1990. The influence of microhabitats on the carbon isotopic composition of deep-sea benthic foraminifera, Paleoceanography, v. 5, pp. 161-185.
Keigwin, L.D. and Jones, G.A., 1990. Deglacial climatic oscillations in the Gulf of California, Paleoceanography, v. 5, p.1009-1023.
Keigwin, L.D. and Jones, G.A., 1989. Glacial-Holocene stratigraphy and chronology and paleoceanographic observations on some North Atlantic sediments drifts, Deep-Sea Research, v. 36, p. 845-867.
Keigwin, L.D. and Boyle, E.A., 1989. Late Quaternary paleochemistry of high-latitude surface waters, Palaeo., Palaeo., Palaeo., v. 73, p. 85-106.
Jones, G.A. and Keigwin, L.D., 1988. Evidence from Fram Strait (78˚N) for early deglaciation, Nature, v. 336, p. 56-59.
Boyle, E.A. and Keigwin, L., 1987. North Atlantic thermohaline circulation during the past 20,000 years linked to high-latitude surface temperature, Nature, v. 330, p. 35-40.
Keigwin, L.D., 1987. North Pacific deep water formation during the latest glaciation, Nature, v. 330, p. 362-364.
Keigwin, L.D., 1987. Toward a high-resolution chronology for latest Miocene paleoceanographic events, Paleoceanography, v. 2, p. 639-660.
Keigwin, L.D. and Corliss, B.H., 1986. Stable isotopes in Late Middle Eocene to Oligocene foraminifera, Geol. Soc. Amer. Bull., v. 97, p. 335-345
Corliss, B.H. and Keigwin, L. D., 1986. Eocene-Oligocene paleoceanography. In, Hsu, K.J., ed., Mesozoic and Cenozoic Oceans, Geodynamics Series, v. 15, American Geophysical Union (Wash. D.C.), p. 101-118.
Ehrmann, L.M. and Keigwin, L.D., 1986. Middle Pliocene change in planktonic foraminiferal fauna at Site 606, Deep Sea Drilling Project, v. 94, p. 921-924.
Keigwin, L.D., Jr., 1986. Pliocene stable isotope record of DSDP Site 606: Sequential events of d18O enrichment beginning at 3.1 Ma, Deep Sea Drilling Project, v. 94, p. 911-920.
Keigwin, L.D., Aubry, M.-P. and Kent, D.V., 1986. Upper Miocene stable isotope stratigraphy, biostratigraphy and magnetostratigraphy of North Atlantic DSDP sites, Deep Sea Drilling Project, v. 94, p. 935-963.
Ruddiman, W.F., Backman, J., Baldauf, J., Hesper, P., Keigwin, L., Miller, K., Raymo, M. and Thomas, E., 1986, Leg 94, Paleo-environmental synthesis. Deep Sea Drilling Project, v. 94, p.1207-1215.
Poag, C.W., Reynolds, L.A., Mazzullo, J.M. and Keigwin, L.D., Jr., 1985. Foraminiferal, Lithic and Isotopic changes across four major unconformities at Deep Sea Drilling Project Site 548, Goban Spur, Deep Sea Drilling Project, v. 80, 539-555.
Vilks, G., Buckley, D. and Keigwin, L.D., 1985. Late Quaternary sedimentation on the Sohm Abyssal Plain., Sedimentology, v. 32, 69-82.
Keigwin, L.D. and Boyle, E.A., 1985. Carbon isotopes in deep sea benthic foraminifera: precession and changes in low-latitude biomass. In, Sundquist, E.J. and Broecker, W.S., eds., The Carbon Cycle and Atmospheric CO2: Natural variations Archean to Present. Geophysical Monograph Series 32, p. 319-328.
Boyle, E.A. and Keigwin, L.D., 1985. Comparison of Atlantic and Pacific paleochemical records for the last 250,000 years: changes in deep ocean circulation and chemical inventories, Earth and Planet. Sci. Lett., v. 76, 135-150.
Gao, L., Emery, K.O. and Keigwin, L.D., 1985. Late Quaternary stable isotope paleo-oceanography off southern California, Deep-Sea Research, v. 32, n. 12, p. 1469-1484.
Keigwin, L.D., Jr. and Keller, G., 1984. Middle Oligocene cooling from equatorial Pacific DSDP Site 77B, Geology, v. 12, no. 1, 16-19.
CLIMAP Project Members, 1984. The last interglacial ocean, Quaternary Research, v. 21, p. 123-224.
Keigwin, L.D., Jr., 1984. Stable isotopic results on Upper Miocene and Lower Pliocene foraminifera from Site 552A, Deep Sea Drilling Project, v. 81, 595-597.
Keigwin, L.D., Corliss, B.H., Druffel, E.M. and Laine, E.P., 1984. High resolution isotope study of the latest deglaction based on Bermuda Rise cores, Quaternary Research, v. 22, p. 383-386.
Corliss, B.H., Aubry, M.P., Berggren, W.A., Keigwin, L.D., Jr., and Keller, G., 1984. The Eocene/Oligocene boundary event in the Deep Sea, Science, v. 226, p. 806-810.
Mottl, M.J., Lawrence, J.R. and Keigwin, L.D., 1983. Elemental and stable isotopic composition of pore waters and carbonate sediments from DSDP Sites 50l/504 and 505, in, Cann, J.R., et al., Deep Sea Drilling Project, v. 69, p. 461-473.
Keigwin, L., 1982. Isotopic paleoceanography of the Caribbean and East Pacific: role of Panama uplift in Late Neogene time, Science, v. 217, p. 350-353.
Corliss, B.H., Hunt, A.S., and Keigwin, L.D., Jr., 1982. Benthonic foraminiferal faunal and isotopic data for the Postglacial evolution of the Champlain Sea, Quaternary Research, v. 17. p. 325-338.
Graham, D.W., Bender, M.L., Williams, D.F. and Keigwin, L.D., Jr., 1982. Strontium to Calcium Ratio in Cenozoic Planktonic Foraminifera, Geochim. et Cosmochim. Acta, v. 46, p. 1281-1292.
Boyle, E.A. and Keigwin, L.D., 1982. Deep circulation of the North Atlantic over the last 200,000 years: geochemical evidence, Science, v. 218, p. 784-787.
Keigwin, L.D., Jr., 1982. Neogene planktonic foraminifers from Deep Sea Drilling Project Sites 502 and 503, in, Prell, W.L., Gardner, J.V., et al., Deep Sea Drilling Project, v. 68, p. 269-288.
Loutit, T.S. and Keigwin, L.D., Jr., 1982. Stable isotopic evidence for latest Miocene sea-level fall in the Mediterranean region, Nature, v. 300, p. 163-166.
Keigwin, L.D., Jr., 1982. Stable isotope stratigraphy and paleoceanography of Deep Sea Drilling Project Sites 502 and 503, in, Prell, W.L., Gardner, J.V., et al., Deep Sea Drilling Project, v. 68, p. 445-453.
Burckle, L.H., Keigwin, L.D. and Opdyke, N.D., 1982. Middle and Late Miocene stable isotope stratigraphy: correlation to the paleomagnetic reversal record, Micropaleontology, v. 28, no. 4, p. 329-334.
Williams, D.F., Rottger, R., Schmaljohann, R. and Keigwin, L.D., Jr., 1981. Oxygen and carbon isotopic fractionation and algal symbiosis in the benthic foraminiferan, Heterostegina depressa, Paleogeography, Paleoclimatology, Paleoecology, 33: 231-251.
Dunn, D.A. Moore, T.C., Jr., and Keigwin, L.D., Jr., 1981. Atlantic-type carbonate stratigraphy in the Late Miocene Pacific, Nature, v. 29l, p. 225-227.
Brunner, C.A. and Keigwin, L.D., Jr., 1981. Late Neogene biostratigraphy and stable isotope stratigraphy of a drilled core from the Gulf of Mexico, Marine Micropaleontology, v. 6, p. 397-418.
Graham, D.W., Corliss, B.H., Bender, M.L. and Keigwin, L.D., Jr., 1981. Carbon and oxygen isotopic disequilibria of recent deep-sea benthic foraminifera, Marine Micropaleo., v. 6, p. 483-497.
Moore, T.C., Jr., Pisias, N.G. and Keigwin, L.D., Jr., 1981. Ocean basin and depth variability of oxygen isotopes in Cenozoic benthic foraminifera, Marine Micropaleontology, v. 6, p. 465-481.
Keigwin, L.D., Jr. and Shackleton, N.J., 1980. Uppermost Miocene carbon isotope stratigraphy of a piston core in the equatorial Pacific, Nature, v. 284, p. 613-614.
Prell, W.L., Gardner, J.V., Adelseck, S., Blechschmidt, G., Fleet, A.J., Keigwin, L.D., Jr., Kent, D., Ledbetter, M.T., Mann, U., Mayer, L., Reidel, W.R., Sancetta, C., Spariosu, D., Zimmerman, H.B., 1980. Hydraulic piston coring of Late Neogene and Quaternary sections in the Caribbean and equatorial Pacific: Preliminary results of Deep Sea Drilling Project Leg 68. Geol. Soc. Amer. Bull. Pt. l, v. 9l, p. 433-444.
Haq, B.U., Worsley, T.R., Burckle, L.H., Douglas, R.G., Keigwin, L.D., Jr., Opdyke, N.D., Savin, S.M., Sommer II, M.A., Vincent, E., Woodruff, F., 1980. The Late Miocene carbon isotopic shift and the synchroneity of some phytoplanktonic biostratigraphic datums, Geology, v. 8, p. 427-431.
Keigwin, L.D., Jr., 1980. Paleoceanographic change in the Pacific at the Eocene-Oligocene boundary, Nature, v. 287, p. 722-725.
Keigwin, L.D., Jr., Bender, M.L. and Kennett, J.P., 1979. Thermal structure of the deep Pacific Ocean in the early Pliocene, Science, v. 205, p. 1386-1388.
Keigwin, L.D., Jr., 1979. Late Cenozoic stable isotope stratigraphy and paleoceanography of DSDP sites from the east equatorial and central North Pacific Ocean, Earth and Planetary Science Letters, v. 45, p. 361-383.
Bender, M.L. and Keigwin, L.D., Jr., 1979. Speculations about the Upper Miocene change in abyssal Pacific dissolved bicarbonate d13C, Earth and Planet. Sci. Letters, v. 45, p. 384-394.
Keigwin, L.D., Jr. and Thunell, R.C., 1979. Middle Pliocene climatic change from faunal and oxygen isotopic trends: Western Mediterranean, Nature, v. 282, p. 294-296.
Keigwin, L.D., Jr., 1978. Pliocene closing of the Isthmus of Panama, based on biostratigraphic evidence from nearby Pacific Ocean and Caribbean Sea cores, Geology, v. 6, p. 630-634.
Keigwin, L.D., Jr., 1976. Late Cenozoic planktonic foraminiferal biostratigraphy and paleoceanography of the Panama Basin, Micropaleontology, v. 22, no. 4, p. 419-442.
Keigwin Publications