labpubs

Stable Isotope Laboratory Publications (1997-2008)

2008

Clementz, M.T., Holroyd, P.L., and Koch, P.L., 2008, Identifying aquatic habits in herbivorous mammals through stable isotope analysis: Palaios.
Crowley, B.E., Koch, P.L., and Davis, E.B., 2008, Stable isotope constraints on the elevation history of the Sierra Nevada Mountains, California: Geological Society of America Bulletin.
Fox-Dobbs, K., Leonard, J.A., and Koch, P.L., 2008, Pleistocene megafauna from eastern Beringia: paleoecologic and paleoenvironmental interpretations of stable carbon and nitrogen isotope and radiocarbon records: Palaeogeography Palaeoclimatology Palaeoecology.
Griffith, E.M., Paytan, A., Kozdan, R., Eisenhauer, A., and Ravelo, A.C., 2008, in press, Influences on the fractionation of calcium isotopes in planktonic foramininfera: Earth and Planetary Sciences Letters.
John, C.M., Bohaty, S.M., Zachos, J.C., Sluijs, A., Gibbs, S., Brinkhuis, H., and Bralower, T.J., In press, Nearshore records of the Paleocene-Eocene thermal maximum;Implications forglobal carbon cycling. Paleoceanography
Lyle, M., Barron, J., Bralower, T.J., Huber, M., Lyle, A.O., Ravelo, A.C., Rea, D.K., and Wilson, P.A., 2008, in press, The Pacific Ocean and the Cenozoic Evolution of Earth Systems: Reviews of Geophysics.
Zachos, J.C., Dickens, G.R., and Zeebe, R.E., 2008, An early Cenozoic perspective on greenhouse warming and carbon-cycle dynamics. Nature. |Vol 451|17 January 2008|doi:10.1038/nature.

2007

Bump, J.K., Fox-Dobbs, K., Bada, J.L., Koch, P.L., Peterson, R.O., and Vucetich, J.A., 2007, Stable isotopes, ecological integration and environmental change: wolves record atmospheric carbon isotope trend better than tree rings: Proceedings Of The Royal Society B-Biological Sciences, v. 274, p. 2471-2480.
Clementz, M.T., Koch, P.L., and Beck, C.A., 2007, Diet induced differences in carbon isotope fractionation between sirenians and terrestrial ungulates: Marine Biology, v. 151, p. 1773-1784.
Dekens, P.S., Ravelo, A.C., and McCarthy, M., 2007, Warm upwelling regions in the warm Pliocene: Paleoceanography, v. 22, p. doi:10.1029/2006PA001394.
Fox-Dobbs, K., Bump, J.K., Peterson, R.O., Fox, D.L., and Koch, P.L., 2007, Carnivore-specific stable isotope variables and variation in the foraging ecology of modern and ancient wolf populations: case studies from Isle Royale, Minnesota, and La Brea: Canadian Journal Of Zoology-Revue Canadienne De Zoologie, v. 85, p. 458-471.
Hodell, D.A., Kamenov, G.D., Ed, C.H.D.O.E.S.O.U., Zachos, J.C., Rohl, U., and Westerhold, T., 2007, Variations in the strontium isotope composition of seawater during the Paleocene and early Eocene from ODP Leg 208 (Walvis Ridge): Geochemistry Geophysics Geosystems, v. 8, p. -.
Jansen, E., J. Overpeck, et al., 2007: Palaeoclimate. In: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA
Koch, P.L., 2007, Isotopic study of the biology of modern and fossil vertebrates, in Michener, R.H., and Lajtha, K., eds., Stable Isotopes in Ecology and Environmental Research: Boston, Blackwell Publishing, p. 99-154.
Lawrence, K., Herbert, T.D., Dekens, P., and Ravelo, A.C., 2007, The Application of the Alkenone Organic Proxy to the Study of Plio-Pleistocene Climate, in Williams, M., Haywood, A.M., Gregory, J., and Schmidt, D.N., eds., Deep-time perspectives on climate change: marrying the signal from computer models and biological proxies, Volume The Micropaleontological Society, Special Publications: London, The Geological Society, p. 539-562.
Leonard, J.A., Vila, C., Fox-Dobbs, K., Koch, P.L., Wayne, R.K., and Van Valkenburgh, B., 2007, Megafaunal extinctions and the disappearance of a specialized wolf ecomorph: Current Biology, v. 17, p. 1146-1150.
Lippert, P.C., and Zachos, J.C., 2007, A biogenic origin for anomalous fine-grained magnetic material at the Paleocene-Eocene boundary at Wilson Lake, New Jersey: Paleoceanography, v. 22, p. -.
Newsome, S.D., Etnier, M.A., Gifford-Gonzalez, D., Phillips, D.L., van Tuinen, M., Hadly, E.A., Costa, D.P., Kennett, D.J., Guilderson, T.P., and Koch, P.L., 2007a, The shifting baseline of northern fur seal ecology in the northeast Pacific Ocean: Proceedings Of The National Academy Of Sciences Of The United States Of America, v. 104, p. 9709-9714.
Newsome, S.D., Etnier, M.A., Kurle, C.M., Waldbauer, J.R., Chamberlain, C.P., and Koch, P.L., 2007b, Historic decline in primary productivity in western Gulf of Alaska and eastern Bering Sea: isotopic analysis of northern fur seal teeth: Marine Ecology-Progress Series, v. 332, p. 211-224.
Nicolo, M.J., Dickens, G.R., Hollis, C.J., and Zachos, J.C., 2007, Multiple early Eocene hyperthermals: Their sedimentary expression on the New Zealand continental margin and in the deep sea: Geology, v. 35, p. 699-702.
Ravelo, A.C., Billups, K., Dekens, P., Herbert, T.D., and Lawrence, K., 2007, Onto the Ice Ages: Proxy Evidence for the onset of Northern Hemisphere Glaciation, in Williams, M., Haywood, A.M., Gregory, J., and Schmidt, D.N., eds., Deep-time perspectives on climate change: marrying the signal from computer models and biological proxies, Volume The Micropaleontological Society, Special Publications: London, The Geological Society, p. 563-573.
Ravelo, A.C., and Hillaire-Marcel, C., 2007, The use of oxygen and carbon isotopes of foramininfera in studies of paleoceangraphy, in Hillaire-Marcel, C., and de Vernal, A., eds., Proxies in late Cenozoic Paleoceanography: Amsterdam, The Netherlands, Elsevier, p. 735-764.
Rohl, U., Westerhold, T., Bralower, T.J., and Zachos, J.C., 2007, On the duration of the Paleocene-Eocene thermal maximum (PETM): Geochemistry Geophysics Geosystems, v. 8, p. -.
Sluijs, A., Brinkhuis, H., Schouten, S., Bohaty, S.M., John, C.M., Zachos, J.C., Reichart, G.J., Damste, J.S.S., Crouch, E.M., and Dickens, G.R., 2007, Environmental precursors to rapid light carbon injection at the Palaeocene/Eocene boundary: Nature, v. 450, p. 1218-U5.
Westerhold, T., Rohl, U., Laskar, J., Raffi, I., Bowles, J., Lourens, L.J., and Zachos, J.C., 2007, On the duration of magnetochrons C24r and C25n and the timing of early Eocene global warming events: Implications from the Ocean Drilling Program Leg 208 Walvis Ridge depth transect: Paleoceanography, v. 22, p. -.
Yeakel, J.D., Bennett, N.C., Koch, P.L., and Dominy, N.J., 2007, The isotopic ecology of African mole rats informs hypotheses on the evolution of human diet: Proceedings Of The Royal Society B-Biological Sciences, v. 274, p. 1723-1730.
Zachos, J.C., Bohaty, S.M., John, C.M., McCarren, H., Kelly, D.C., and Nielsen, T., 2007a, The Palaeocene-Eocene carbon isotope excursion: constraints from individual shell planktonic foraminifer records: Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, v. 365, p. 1829-1842.
Zachos, J.C., McCarren, H., Bohaty, S., John, C., Sluijs, A., Brinkhuis, H., Sloan, L.C., Damste, J.S., and Schouten, S., 2007b, The magnitude of ocean warming during the PETM: Implications for forcing and climate sensitivity: Geochimica Et Cosmochimica Acta, v. 71, p. A1150-A1150.
Zeebe, R.E., and Zachos, J.C., 2007, Reversed deep-sea carbonate ion basin gradient during Paleocene-Eocene thermal maximum: Paleoceanography, v. 22,

2006

Aurioles, D., Koch, P.L., and Le Boeuf, B.J., 2006, Differences in foraging location of Mexican and California elephant seals: Evidence from stable isotopes in pups: Marine Mammal Science, v. 22, p. 326-338.
Clementz, M.T., Goswami, A., Gingerich, P.D., and Koch, P.L., 2006, Isotopic records from early whales and sea cows: Contrasting patterns of ecological transition: Journal Of Vertebrate Paleontology, v. 26, p. 355-370.
Colosimo, A.B., T.J.Bralower,, and J.C. Zachos, 2006. Evidence for lysocline shoaling at the Paleocene/Eocene Thermal Maximum on Shatsky Rise, northwest Pacific. In Bralower, T.J., Premoli Silva, I., and Malone, M.J. (Eds.), Proc. ODP, Sci. Results, 198, 1–36 [Online]. Available from World Wide Web: http://www-odp.tamu.edu/publications/198_SR/VOLUME/CHAPTERS/112.PDF
Coxall, H.K., D'Hondt, S., and Zachos, J.C., 2006, Pelagic evolution and environmental recovery after the Cretaceous-Paleogene mass extinction: Geology, v. 34, p. 297-300.
Fedorov, A.V., Dekens, P.S., McCarthy, M., Ravelo, A.C., deMenocal, P.B., Barreiro, M., Pacanowski, R.C., and Philander, S.G., 2006, The Pliocene Paradox (Mechanisms for a Permanent El Nino): Science 10.1126/science.1122666, v. 312, p. 1485-1489.
Fox-Dobbs, K., Stidham, T.A., Bowen, G.J., Emslie, S.D., and Koch, P.L., 2006, Dietary controls on extinction versus survival among avian megafauna in the late Pleistocene: Geology, v. 34, p. 685-688.
Gibbs, S.J., Bralower, T.J., Bown, P.R., Zachos, J.C., and Bybell, L.M., 2006, Shelf and open-ocean calcareous phytoplankton assemblages across the Paleocene-Eocene Thermal Maximum: Implications for global productivity gradients: Geology, v. 34, p. 233-236.
Hoppe, K.A., and Koch, P.L., 2006, The isotopic biogeochemistry of the Aucilla River proboscideans, in Webb, S.D., ed., First Floridians and Last Mastodons: The Page-Ladson Site on the Aucilla River, Volume 26: Topics in Paleobiology, Springer Verlag, p. 379-401.
Kaiho, K., Takeda, K., Petrizzo, M.R., and Zachos, J.C., 2006, Anomalous shifts in tropical Pacific planktonic and benthic foraminiferal test size during the Paleocene-Eocene thermal maximum: Palaeogeography Palaeoclimatology Palaeoecology, v. 237, p. 456-464.
Koch, P.L., and Barnosky, A.D., 2006, Late quaternary extinctions: State of the debate: Annual Review Of Ecology Evolution And Systematics, v. 37, p. 215-250.
Moss, M.L., Yang, D.Y., Newsome, S.D., Speller, C.F., McKechnie, I., McMillan, A.D., Losey, R.J., and Koch, P.L., 2006, Historical ecology and biogeography of north pacific pinnipeds: isotopes and ancient DNA from three archaeological assemblages: Journal of Island and Coastal Archaeology v. 1, p. 165-190.
Newsome, S.D., Koch, P.L., Etnier, M.A., and Aurioles-Gambao, D., 2006, Using carbon and nitrogen isotope values to investigate maternal strategies in northeast Pacific otariids: Marine Mammal Science, v. 22, p. 556-572.
Pagani, M., Caldeira, K., Archer, D., and Zachos, J.C., 2006, An ancient carbon mystery: Science, v. 314, p. 1556-1557.
Palike, H., Frazier, J., and Zachos, J.C., 2006, Extended orbitally forced palaeoclimatic records from the equatorial Atlantic Ceara Rise: Quaternary Science Reviews, v. 25, p. 3138-3149.
Ravelo, A.C., Dekens, P.S., and McCarthy, M., 2006, Evidence for El Nino-like conditions during the Pliocene: GSA Today, v. 16, p. 4-11.
Zachos, J.C., Schouten, S., Bohaty, S., Quattlebaum, T., Sluijs, A., Brinkhuis, H., Gibbs, S.J., and Bralower, T.J., 2006, Extreme warming of mid-latitude coastal ocean during the Paleocene-Eocene Thermal Maximum: Inferences from TEX86 and isotope data: Geology, v. 34, p. 737-740.

2005

Bowen, G.J., Koch, P.L., Meng, J., Ye, J., and Ting, S.Y., 2005, Age and correlation of fossiliferous late Paleocene-early eocene strata of the Erlian basin, Inner Mongolia, China: American Museum Novitates, p. 1-26.
Chamberlain, C.P., Waldbauer, J.R., Fox-Dobbs, K., Newsome, S.D., Koch, P.L., Smith, D.R., Church, M.E., Chamberlain, S.D., Sorenson, K.J., and Risebrough, R., 2005, Pleistocene to recent dietary shifts in California condors: Proceedings Of The National Academy Of Sciences Of The United States Of America, v. 102, p. 16707-16711.
Haywood, A.M., Dekens, P., Ravelo, A.C., and Williams, M., 2005, Warmer tropics during the mid-Pliocene? Evidence from alkenone paleothermometry and a fully coupled ocean-atmosphere GCM: Geochemistry Geophysics Geosystems, v. 6.
Hedges, R.E.M., Stevens, R.E., and Koch, P.L., 2005, Isotopes in bones, in Leng, M.J., ed., Isotopes in paleoenvironmental research. Volume 10 Developments in paleoenvironmental research: Dordrecht, Netherlands, Springer Verlag, p. 117-145.
Kelly, D.C., Zachos, J.C., Bralower, T.J., and Schellenberg, S.A., 2005, Enhanced terrestrial weathering/runoff and surface ocean carbonate production during the recovery stages of the Paleocene-Eocene thermal maximum: Paleoceanography, v. 20, p. -.
Lourens, L.J., Sluijs, A., Kroon, D., Zachos, J.C., Thomas, E., Rohl, U., Bowles, J., and Raffi, I., 2005, Astronomical pacing of late Palaeocene to early Eocene global warming events: Nature, v. 435, p. 1083-1087.
Pagani, M., J. C. Zachos, K. H. Freeman, B. Tipple, S. Bohaty, 2005. Marked decline in atmospheric carbon dioxide concentrations during the Paleogene. Science, v. 308, p. 600-603.
Van Simaeys, S., H. Brinkhuis, J. Pross, G. L. Williams, J. C. Zachos, 2005, Arctic dinoflagellate migration marks the strongest Oligocene Glaciations, Geology, v.33, p.709-712.
Wara, M.W., Ravelo, A.C., and Delaney, M.L., 2005, Permanent El Nino-Like Conditions During the Pliocene Warm Period: Science, v. 309, p. 758-761.
Westerhold, T., Röhl, U., Laskar, J., Raffi, I., Bowles, J., Lourens, L.J., and Zachos, J.C., 2005, New high-resolution chronology from the first complete late Paleocene – early Eocene marine records from Walvis Ridge: duration of Chron 24r and new constraints on the timing of early Eocene global warming events, Geologic Society of America Ann. Meeting: Salt Lake City.
Zachos, J. C. and L.R. Kump, 2005. Carbon cycle feedbacks and the initiation of Antarctic glaciation in the earliest Oligocene. Global and Planetary Change, v.47, p. 51-66.
Zachos, J. C., U. Röhl, S. A.Schellenberg, A. Sluijs, D. A. Hodell, D. C. Kelly, E. Thomas, M. Nicolo, I. Raffi, L. J. Lourens, H. McCarren, D. Kroon, 2005, Rapid Acidification of the Ocean During the Paleocene-Eocene Thermal Maximum. Science, v.308, p.1611-1615. [Full Text]

2004

Barnosky, A.D., Koch, P.L., Feranec, R.S., Wing, S.L., and Shabel, A.B., 2004, Assessing the causes of Late Pleistocene extinctions on the continents: Science, v. 306, p. 70-75.
Billups K., H. Palike, J.E.T. Channell, J.C. Zachos, N.J. Shackleton, 2004. Astronomic calibration of the late Oligocene through early Miocene geomagnetic polarity time scale. Earth and Planetary Science Letters, v. 224 (1-2): 33-44.
Bowen, G.J., Beerling, D.J., Koch, P.L., Zachos, J.C., and Quattlebaum, T., 2004, A humid climate state during the Palaeocene/Eocene thermal maximum: Nature, v. 432, p. 495-499.
Fox, D.L., and Koch, P.L., 2004, Carbon and oxygen isotopic variability in Neogene paleosol carbonates: constraints on the evolution of the C-4-grasslands of the Great Plains, USA: Palaeogeography Palaeoclimatology Palaeoecology, v. 207, p. 305-329.
Gifford-Gonzalez, D., Newsome, S.D., Koch, P.L., Guilderson, T.P., Snodgrass, J.J., and Burton, R.K., 2004, Archaeofaunal insights on pinniped-human interactions in the northeastern Pacific, in Monks, G., ed., The Exploitation and Cultural Importance of Marine Mammals, 9th ICAZ Conference, Durham, 2002, .
Harrington, G.J., Kemp, S.J., and Koch, P.L., 2004, Palaeocene-Eocene paratropical floral change in North America: responses to climate change and plant immigration: Journal Of The Geological Society, v. 161, p. 173-184.
Hoppe, K.A., 2004, Late Pleistocene mammoth herd structure, migration patterns, and Clovis hunting strategies inferred from isotopic analyses of multiple death assemblages: Paleobiology, v. 30, p. 129-145.
Koch, P.L., Diffenbaugh, N.S., and Hoppe, K.A., 2004, The effects of late Quaternary climate and pCO(2) change on C-4 plant abundance in the south-central United States: Palaeogeography Palaeoclimatology Palaeoecology, v. 207, p. 331-357.
Newsome, S.D., Phillips, D.L., Culleton, B.J., Guilderson, T.P., and Koch, P.L., 2004, Dietary reconstruction of an early to middle Holocene human population from the central California coast: insights from advanced stable isotope mixing models: Journal Of Archaeological Science, v. 31, p. 1101-1115.
Rahmstorf, S., D. Archer, D.S. Ebel, O. Eugster, J. Jouzel, D. Maraun, U. Neu, G.A. Schmidt, J. Severinghaus, A.J. Weaver, and J. Zachos, 2004, Cosmic rays, carbon dioxide, and climate: Eos (Transactions, American Geophysical Union), v. 85, p. 38, 41
Ravelo, A.C., and Wara, M.W., 2004, The role of the tropical oceans on global climate during a warm period and a major climate transition: Oceanography, v. 17, p. 22-31.
Ravelo, A.C., Andreasen, D.H., Lyle, M., Lyle, A.O., and Wara, M.W., 2004, Regional climate shifts caused by gradual global cooling in the Pliocene epoch: Nature, v. 429, p. 263-267.
Ting, S.-Y., Wang, Y.-Q., Schiebout, J.A., Koch, P.L., Clyde, W.C., Bowen, G.J., and Wang, Y., 2004, New Early Eocene Mammalian Fossils from the Hengyang Basin, Hunan, China: Bulletin of Carnegie Museum of Natural History, v. 36, p. 291-301.
Zachos, J.C., D. Kroon, P. Blum, et al., 2004. Proc. ODP, Init. Repts., 208 [Online]. Available from World Wide Web: http://www-odp.tamu.edu/publications/208_IR/208ir.htm

2003

Bains, S., Norris, R.D., Corfield, R.M., Bowen, G.J., Gingerich, P.D., and Koch, P.L., 2003, Marine-terrestrial linkages at the Paleocene-Eocene boundary, in Wing, S.L., Gingerich, P.D., Schmitz, B., and Thomas, E., eds., Causes and Consequences of Globally Warm Climates in the Early Paleogene, Volume 369: Geological Society of America Special Paper: Boulder, Colorado, p. 1-9.
Bohaty, S.M., and Zachos, J.C., 2003, Significant Southern Ocean warming event in the late middle Eocene: Geology, v. 31, p. 1017-1020.
Clementz, M.T., Hoppe, K.A., and Koch, P.L., 2003, A paleoecological paradox: the habitat and dietary preferences of the extinct tethythere Desmostylus, inferred from stable isotope analysis: Paleobiology, v. 29, p. 506-519.
De Romero L.M., I.M. Truskowski, T.J. Bralower, J.A. Bergen, O. Odreman. J.C. Zachos, and F.A. Galea-Alvarez, 2003, An integrated calcareous microfossil biostratigraphic and carbon-isotope stratigraphic framework for the La Luna Formation, western Venezuela. Palaios, v. 18, p. 349-366 .
Diester-Haass, L. and J. Zachos, 2003, The Eocene-Oligocene transition in the Equatorial Atlantic (ODP Site 925); paleoproductivity increase and positive d13C excursion. In Prothero, D.R; Ivany, L. C; Nesbitt, E. A. From greenhouse to icehouse; the marine Eocene-Oligocene transition, Columbia University Press, New York, NY, United States (USA).
Feranec, R.S. 2003. Stable isotopes, hypsodonty, and the paleodiet of Hemiauchenia (Mammalia : Camelidae): a morphological specialization creating ecological generalization. Paleobiology 29: 230-242
Fox, D.L., and Koch, P.L. 2003. Tertiary history of C4 biomass in the Great Plains, USA. Geology, 31: 809-812.
Kelly, D.C., Norris, R.D., and Zachos, J.C., 2003, Deciphering the paleoceanographic significance of Early Oligocene Braarudosphaera chalks in the South Atlantic: Marine Micropaleontology, v. 49, p. 49-63.
Koch, P.L., Clyde, W.C., Hepple, R.P., Fogel, M.L., Wing, S.L., and Zachos, J.C. 2003. Isotopic records of carbon cycle and climate change across the Paleocene-Eocene boundary from the Bighorn Basin, Wyoming. In Causes and Consequences of Globally Warm Climates in the Early Paleogene (S.L. Wing, P.D. Gingerich, B. Schmitz, and E. Thomas, eds.), Boulder, Colorado. Geological Society of America Special Paper 369: 49-64.
Kurtz, A., Kump, L.R., Arthur, M.A., Zachos, J.C., and Paytan, A., 2003, Early Cenozoic decoupling of the global carbon and sulfur cycles: Paleoceanography, v. 18, p. 1090.
Ravizza, G. E., J. C. Zachos, 2003. Records of Cenozoic Ocean Chemistry. In H.D. Holland, K.K. Turekian (eds). Treatise on Geochemistry: The Oceans and Marine Geochemistry, v. 6, Elsevier, p. 551-582
Ting, S.-Y., Bowen, G.J., Koch, P.L., Clyde, W.C., Wang, Y.-Q., Wang, Y., and McKenna, M.C., 2003, Biostratigraphic, chemostratigraphic, and magnetostratigraphic study across the Paleocene/Eocene boundary in the Hengyang Basin, Hunan, China, in Wing, S.L., Gingerich, P.D., Schmitz, B., and Thomas, E., eds., Causes and Consequences of Globally Warm Climates in the Early Paleogene, Volume 369: Geological Society of America Special Paper: Boulder, Colorado, p. 521-535.
Tripati, A. K., M. L. Delaney, J. C. Zachos, L. D. Anderson, D. C. Kelly, and H. Elderfield, 2003, Tropical sea-surface temperature reconstruction for the early Paleogene using Mg/Ca ratios of planktonic foraminifera. Paleoceanography, v. 18, 1101.
Wara, M.W., Anderson, L.D., Schellenberg, S.A., Franks, R., Ravelo, A.C., and Delaney, M.L., 2003a, Application of a radially viewed inductively coupled plasma-optical emission spectrophotometer to simultaneous measurement of Mg/Ca, Sr/Ca, and Mn/Ca ratios in marine biogenic carbonates: Geochemistry Geophysics Geosystems, v. 4.
Wara, M.W., Delaney, M.L., Bullen, T.D., and Ravelo, A.C., 2003b, Possible roles of pH, temperature, and partial dissolution in determining boron concentration and isotopic composition in planktonic foraminifera: Paleoceanography, v. 18.
Wing, S.L., Harrington, G.J., Bowen, G.J., and Koch, P.L. 2003. Floral change during the Paleocene/Eocene Thermal Maximum in the Powder River Basin, Wyoming. In Causes and Consequences of Globally Warm Climates in the Early Paleogene (S.L. Wing, P.D. Gingerich, B. Schmitz, and E. Thomas, eds.), Boulder, Colorado. Geological Society of America Special Paper 369: 425-440.
Zachos, J.C., Wara, M.W., Bohaty, S., Delaney, M.L., Petrizzo, M.R., Brill, A., Bralower, T.J., and Premoli-Silva, I., 2003, A transient rise in tropical sea surface temperature during the Paleocene-Eocene Thermal Maximum: Science, v. 302, p. 1551-1554.

2002

Bowen, G.J., Clyde, W.C., Koch, P.L., Ting, S., Alroy, J., Tsubamoto, T., Wang, Yuanqing, and Wang Yuan, 2002. Temporally constrained patterns of mammalian dispersal at the Paleocene/Eocene boundary. Science 295: 2062-2065.
Morrill, C., and Koch, P.L., 2002. Elevation or alteration? Evaluation of isotopic constraints on paleoaltitudes surrounding the Eocene Green River Basin. Geology 30: 151-154.
Billups, K., Channell, J.E.T., and Zachos, J., 2002, Late Oligocene to early Miocene geochronology and paleoceanography from the subantarctic South Atlantic: Paleoceanography, v. 17, p. U39-U49.
Herbert, T.D., Schuffert, J.D., Andreasen, D., Heusser, L., Lyle, M., Mix, A., Ravelo, A.C., Stott, L.D., and Heguera, J.C., 2002, The California Current, devils hole, and Pleistocene climate - Response: Science, v. 296.
Kelly, D.C., R.D. Norris, J. C. Zachos, 2003, Deciphering the paleoceanographic significance of Early Oligocene Braarudosphaera chalks in the South Atlantic. Mar Micropaleontol., v 49, p. 49-63Stakes, D. S., A. M. Trehu, S. K. Goffredi, T. H. Naehr, and R. A. Duncan, 2002, Mass wasting, methane venting, and biological communities on the Mendocino transform fault, Geology, 30, 407-410
Thomas, D.J., Zachos, J.C., Bralower, T.J., Thomas, E., and Bohaty, S., 2002, Warming the fuel for the fire: Evidence for the thermal dissociation of methane hydrate during the Paleocene-Eocene thermal maximum: Geology, v. 30, p. 1067-1070.
Tripati, A., and Zachos, J., 2002, Late Eocene tropical sea surface temperatures: A perspective from Panama - art. no. 1032: Paleoceanography, v. 17, p. 1032.
Zachos, J.C., Arthur, M.A., Bralower, T.J., and Spero, H.J., 2002, Palaeoclimatology - Tropical temperatures in greenhouse episodes: Nature, v. 419, p. 897-898.

2001

Bowen, G.J., Koch, P.L., Gingerich, P.D., Norris, R.D., Corfield, R.M., and Bains, S. 2001. High-resolution isotope stratigraphy across the Paleocene-Eocene Boundary at Polecat Bench, WY. University of Michigan, Papers on Paleontology 32: 73-88.
Burton, R.F., Snodgrass, J.J., Gifford-Gonzalez, D., Guilderson, T.P., Brown, T., and Koch, P.L. 2001. Holocene changes in the ecology of northern fur seals: Insights from stable isotopes and archaeofauna. Oecologia 128: 107-115.
Clementz, M., and Koch, P.L. 2001. Monitoring habitat and foraging ecology in aquatic mammal with stable isotopes in the tooth enamel. Oecologia 129: 461-472.
Clyde, W.C., Sheldon, N.D., Koch, P.L., Gunnell, G.F., and Bartels, W.S. 2001. Linking the Wasatchian/Bridgerian boundary to the Cenozoic Global Climate Optimum: New magnetostratigraphic and isotopic results from South Pass, Wyoming. Palaeogeography, Palaeoclimatology, Palaeoecology 167: 175-199.
Koch, P.L., Behrensmeyer, A.K., Stott, A.W., Tuross, N., Evershed, R.P., and Fogel, M.L. 2001. The effects of weathering on the stable isotope composition of bones. Ancient Biomolecules 3: 117-134.
Royer, D.L., Wing, S.L., Beerling, D.J., Jolley, D.W., Koch, P.L, Hickey, L.J., Berner, R.A. 2001. Paleobotanical evidence for near present day levels of atmospheric CO2 during part of the Tertiary. Science 292: 2310-2313.
Andreasen, D.H., Ravelo, A.C., and Broccoli, A.J., 2001, Remote forcing at the last glacial maximum in the tropical Pacific Ocean: Journal Of Geophysical Research-Oceans, v. 106, p. 879-897.
Haug, G.H., Tiedemann, R., Zahn, R., and Ravelo, A.C., 2001, Role of Panama uplift on oceanic freshwater balance: Geology, v. 29, p. 207-210.
Herbert, T.D., Schuffert, J.D., Andreasen, D., Heusser, L., Lyle, M., Mix, A., Ravelo, A.C., Stott, L.D., and Herguera, J.C., 2001, Collapse of the California Current during glacial maxima linked to climate change on land: Science, v. 293, p. 71-76.
Kelly, D.C., Bralower, T.J., and Zachos, J.C., 2001, On the demise of the early paleogene Morozovella velascoensis lineage: Terminal progenesis in the planktonic foraminifera: Palaios, v. 16, p. 507-523.
Mc Intyre, K., Delaney, M.L., and Ravelo, A.C., 2001, Millennial-scale climate change and oceanic processes in the late Pliocene and early Pleistocene: Paleoceanography, v. 16, p. 535-543.
Tripati, A., Zachos, J., Marincovich, L., and Bice, K., 2001, Late Paleocene Arctic coastal climate inferred from molluscan stable and radiogenic isotope ratios: Palaeogeography Palaeoclimatology Palaeoecology, v. 170, p. 101-113.
Zachos, J., Pagani, M., Sloan, L., Thomas, E., and Billups, K., 2001a, Trends, rhythms, and aberrations in global climate 65 Ma to present: Science, v. 292, p. 686-693.
Zachos, J.C., Shackleton, N.J., Revenaugh, J.S., Palike, H., and Flower, B.P., 2001b, Climate response to orbital forcing across the Oligocene-Miocene boundary: Science, v. 292, p. 274-278.

2000

Alroy, J., Koch, P.L., and Zachos, J.C., 2000, Global climate change and North American mammalian evolution: Paleobiology, v. 26, p. 259-288.
Chaisson, W., and Ravelo, A.C., 2000, Pliocene development of the East-West hydrographic gradient in the Equatorial Pacific: Paleoceanography, v. 15, p. 497-505.
Faul, K.L., Ravelo, A.C., and Delaney, M.L., 2000, Reconstructions of upwelling, productivity, and photic zone depth in the eastern equatorial Pacific Ocean using planktonic foraminiferal stable isotopes and abundances: Journal Of Foraminiferal Research, v. 30, p. 110-125.
Gibson, T.G., Bybell, L.M., Thomas, E., and Zachos, J.C., 2000, Kaolinite distribution in Paleocene/Eocene boundary strata of northeastern United States and Pakistan - climatic and stratigraphic implications: Gff, v. 122, p. 56.
Halfar, J., Zack, T., Kronz, A., and Zachos, J.C., 2000, Growth and high-resolution paleoenvironmental signals of rhodoliths (coralline red algae): A new biogenic archive: Journal of Geophysical Research-Oceans, v. 105, p. 22107-22116.
Kelly, D.C., Bralower, T.J., and Zachos, J.C., 2000, On the demise of the early Paleogene Morozovella velascoensis lineage: Terminal progenesis in the planktic foraminifera?: Gff, v. 122, p. 86-87.
Paul, H.A., Zachos, J.C., Flower, B.P., and Tripati, A., 2000, Orbitally induced climate and geochemical variability across the Oligocene/Miocene boundary: Paleoceanography, v. 15, p. 471-485.
Ravelo, A.C., and Andreasen, D.H., 2000, Enhanced circulation during a warm period: Geophysical Research Letters, v. 27, p. 1001-1004.
Schmitz, B., Aubry, M.P., and Zachos, J., 2000, Early paleogene warm climates and biosphere dynamics - Short papers and extended abstracts from an International Meeting in Goteborg, Sweden, June 9-23, 1999 - Preface & summary: Gff, v. 122, p. 4-6.
Shackleton, N.J., Hall, M.A., Raffi, I., Tauxe, L., and Zachos, J., 2000, Astronomical calibration age for the Oligocene-Miocene boundary: Geology, v. 28, p. 447-450.
Thomas, D.J., Bralower, T.J., and Zachos, J.C., 2000a, Evidence for subtropical warming during the late Paleocene thermal maximum - New insights from DSDP Site 527: Gff, v. 122, p. 168-168.
Thomas, E., and Zachos, J.C., 2000, Was the late Paleocene thermal maximum a unique event?: Gff, v. 122, p. 169-170.
Thomas, E., Zachos, J.C., and Bralower, T.J., 2000b, Deep-sea environments on a warm earth; latest Paleocene-early Eocene, in MacLeod, K.G.e., and Wing, S.L.e., eds., Warm climates in Earth history.
Tripati, A., and Zachos, J.C., 2000, Paleocene and Eocene coastal ocean temperatures: Gff, v. 122, p. 171-172.
Wara, M.W., Ravelo, A.C., and Revenaugh, J.S., 2000, The Pacemaker always rings twice: Paleoceanography, v. 15, p. 616-624.
Zachos, J.C., and Dickens, G.R., 2000, An assessment of the biogeochemical feedback response to the climatic and chemical perturbations of the LPTM: Gff, v. 122, p. 188-189.
Thomas, E., T. Gapotchenko, J. C. Varekamp, E. L. Mecray, and M. R. B. ten Brink, Benthic foraminifera and environmental changes in Long Island Sound, Journal of Coastal Research, 16, 641-655, 2000.
Saltzman, M. R., R. L. Ripperdan, M. D. Brasier, K. C. Lohmann, R. A. Robison, W. T. Chang, S. C. Peng, E. K. Ergaliev, and B. Runnegar, A global carbon isotope excursion (SPICE) during the Late Cambrian: relation to trilobite extinctions, organic-matter burial and sea level, Palaeogeography Palaeoclimatology Palaeoecology, 162, 211-223, 2000.

1999

Billups, K., Ravelo, A.C., Zachos, J.C., and Norris, R.D., 1999, Link between oceanic heat transport, thermohaline circulation, and the Intertropical Convergence Zone in the early Pliocene Atlantic: Geology, v. 27, p. 319-322.
Kwiek, P.B., and Ravelo, A.C., 1999, Pacific Ocean intermediate and deep water circulation during the Pliocene: Palaeogeography Palaeoclimatology Palaeoecology, v. 154, p. 191-217.
Martin, E.E., Shackleton, N.J., Zachos, J.C., and Flower, B.P., 1999, Orbitally-tuned Sr isotope chemostratigraphy for the late middle to late Miocene: Paleoceanography, v. 14, p. 74-83.
Mc Intyre, K., Ravelo, A.C., and Delaney, M.L., 1999, North Atlantic intermediate waters in the late Pliocene to early Pleistocene: Paleoceanography, v. 14, p. 324-335.
Salamy, K.A., and Zachos, J.C., 1999, Latest Eocene Early Oligocene climate change and Southern Ocean fertility: inferences from sediment accumulation and stable isotope data: Palaeogeography Palaeoclimatology Palaeoecology, v. 145, p. 61-77.
Thomas, D.J., Bralower, T.J., and Zachos, J.C., 1999, New evidence for subtropical warming during the late Paleocene thermal maximum: Stable isotopes from Deep Sea Drilling Project Site 527, Walvis Ridge: Paleoceanography, v. 14, p. 561-570.
Zachos, J.C., Opdyke, B.N., Quinn, T.M., Jones, C.E., and Halliday, A.N., 1999, Early cenozoic glaciation, antarctic weathering, and seawater Sr-87/Sr-86: is there a link?: Chemical Geology, v. 161, p. 165-180.
Burton, R.K., and Koch, P.L. 1999. Isotopic tracking of foraging and long distance migration in northeastern Pacific pinnipeds. Oecologia 119: 578-585.
Hoppe, K.A., Koch, P.L., Carlson, R., and Webb, S.D. 1999. Tracking mammoths and mastodons: reconstruction of migratory behavior using strontium isotopes. Geology 27: 439-442.
Crowley, T., and J.C. Zachos, 1999, Comparison of Zonal Temperature Profiles For Past Warm Time Periods. in Warm Climates in Earth History, B.T. Huber, K.G. MacLeod, S.L. Wing (Eds.), Cambridge Univ. Press, p. 50-76.
Thomas, E. , J.C. Zachos , and T. J. Bralower, 1999, Deep-Sea Environments in the Absence of Polar Ice Caps: The Case of The Early Eocene. in Warm Climates in Earth History, B.T. Huber, K.G. MacLeod, S.L. Wing (Eds.), Cambridge Univ. Press, p.132-160.
Gupta, A. K., and E. Thomas, 1999, Latest Miocene-Pleistocene productivity and deep-sea ventilation in the northwestern Indian ocean (Deep Sea Drilling Project Site 219), Paleoceanography, 14, 62-73.
Stakes, D. S., D. Orange, J. B. Paduan, K. A. Salamy, and N. Maher, 1999, Cold-seeps and authigenic carbonate formation in Monterey Bay, California, Marine Geology, 159, 93-109.

1998

Billups, K., Ravelo, A.C., and Zachos, J.C., 1998a, Early Pliocene climate: A perspective from the western equatorial Atlantic warm pool: Paleoceanography, v. 13, p. 459-470.
Billups, K., Ravelo, A.C., and Zachos, J.C., 1998b, Early Pliocene deep water circulation in the western equatorial Atlantic: Implications for high-latitude climate change: Paleoceanography, v. 13, p. 84-95.
Bralower, T.J., Thomas, D.J., Thomas, E., and Zachos, J.C., 1998, High-resolution records of the late Paleocene thermal maximum and circum-Caribbean volcanism: Is there a causal link? Reply: Geology, v. 26, p. 671-671.
D'Hondt, S., Donaghay, P., Zachos, J.C., Luttenberg, D., and Lindinger, M., 1998, Organic carbon fluxes and ecological recovery from the Cretaceous-Tertiary mass extinction: Science, v. 282, p. 276-279.
D'Hondt, S., and Zachos, J.C., 1998, Cretaceous foraminifera and the evolutionary history of planktic photosymbiosis: Paleobiology, v. 24, p. 512-523.
Kelly, D.C., Bralower, T.J., and Zachos, J.C., 1998, Evolutionary consequences of the latest Paleocene thermal maximum for tropical planktonic foraminifera: Palaeogeography Palaeoclimatology Palaeoecology, v. 141, p. 139-161.
Ramsay, A. T. S., C.W. Smart, and J.C. Zachos, 1998, A model of early to middle Miocene deep ocean circulation for the Atlantic and Indian oceans. In Geological evolution of ocean basins; results from the Ocean Drilling Program , (eds) Cramp, A., MacLeod, C. J., Lee, S. V., Jones, E. J. W., Geological Society Special Publications, v. 131, p. 55-70.
Saltzman, M. R., B. Runnegar, and K. C. Lohmann, 1998, Carbon Isotope Stratigraphy of Upper Cambrian (Steptoean Stage) Sequences of the Eastern Great Basin - Record of a Global Oceanographic Event, Geological Society of America Bulletin, 110, 285-297.

1997

Andreasen, D.H., and Ravelo, A.C., 1997, Tropical Pacific Ocean Thermocline Depth Reconstructions for the Last Glacial: Paleoceanography, v. 12, p. 395-414.
Bralower, T.J., Thomas, D.J., Zachos, J.C., Hirschmann, M.M., Rohl, U., Sigurdsson, H., Thomas, E., and Whitney, D.L., 1997, High-resolution records of the late Paleocene thermal maximum and circum-Caribbean volcanism: Is there a causal link?: Geology, v. 25, p. 963-966.
Cannariato, K.G., and Ravelo, A.C., 1997, Pliocene-Pleistocene evolution of eastern tropical Pacific surface water circulation and thermocline depth: Paleoceanography, v. 12, p. 805-820.
Chaisson, W.P., and Ravelo, A.C., 1997, Changes in upper water-column structure at Site 925, late Miocene- Pleistocene; planktonic foraminifer assemblages and isotopic evidence: Proc. of the Ocean Drilling Program, Sci. Results, v. 154, p. 255- 268.
Flower, B.P., Zachos, J.C., and Martin, E., 1997a, Latest Oligocene through early Miocene isotopic stratigraphy and deep-water paleoceanography of the western equatorial Atlantic: Sites 926 and 929, in Shackleton, N.J., Curry, W.B., and Richter, C., eds., Proc. Ocean Drill. Program Sci.Results, Volume 154: College Station, TX, Ocean Drilling Program, p. 451-461.
Flower, B.P., Zachos, J.C., and Paul, H.A., 1997b, Milankovitch-scale climate variability recorded near the Oligocene/Miocene boundary, in Shackleton, N.J., Curry, W.B., and Richter, C., eds., Scientific Results, Volume 154: College Station, TX, Ocean Drill. Program, p. 433-439.
McIntyre, K., Ravelo, A.C., Delaney, M.L., Anderson, L.D., and Johannessen, T., 1997, Ground truthing the Cd/Ca-carbon isotope relationship in foraminifera of the Greenland-Iceland-Norwegian Seas: Marine Geology, v. 140, p. 61-73.
Ravelo, A.C., Lyle, M., Koizumi, I., Caulet, J.P., Fornaciari, E., Hayashida, A., Heider, F., Hood, J., Hovan, S., Janecek, T., Janik, A., Stax, R., and Yamamoto, M., 1997, Pliocene carbonate accumulation along the California margin: Paleoceanography, v. 12, p. 729-741.
Zachos, J.C., Flower, B.P., and Paul, H., 1997, Orbitally paced climate oscillations across the Oligocene/Miocene boundary: Nature, v. 388, p. 567-570.