ORCA
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Browse by Current Cardiff authors

Number of items: 47.

Detlef, Henrieka, Sosdian, Sindia M., Kender, Sev, Lear, Caroline H. and Hall, Ian R. 2020. Multi-elemental composition of authigenic carbonates in benthic foraminifera from the eastern Bering Sea continental margin (International Ocean Discovery Program Site U1343). Geochimica et Cosmochimica Acta 268 , pp. 1-21. 10.1016/j.gca.2019.09.025

Hollis, Christopher J., Dunkley Jones, Tom, Anagnostou, Eleni, Bijl, Peter K., Cramwinckel, Margot J., Cui, Ying, Dickens, Gerald R., Edgar, Kirsty M., Eley, Yvette, Evans, David, Foster, Gavin L., Frieling, Joost, Inglis, Gordon N., Kennedy, Elizabeth M., Kozdon, Reinhard, Lauretano, Vittoria, Lear, Caroline H., Littler, Kate, Lourens, Lucas, Meckler, A. Nele, Naafs, B. David A., Pälike, Heiko, Pancost, Richard D., Pearson, Paul N., Röhl, Ursula, Royer, Dana L., Salzmann, Ulrich, Schubert, Brian A., Seebeck, Hannu, Sluijs, Appy, Speijer, Robert P., Stassen, Peter, Tierney, Jessica, Tripati, Aradhna, Wade, Bridget, Westerhold, Thomas, Witkowski, Caitlyn, Zachos, James C., Zhang, Yi Ge, Huber, Matthew and Lunt, Daniel J. 2019. The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database. Geoscientific Model Development 12 (7) , pp. 3149-3206. 10.5194/gmd-12-3149-2019

Greenop, Rosanna, Sosdian, Sindia M., Henehan, Michael J., Wilson, Paul A., Lear, Caroline H. and Foster, Gavin L. 2019. Orbital forcing, ice-volume and CO2 across the Oligocene-Miocene Transition. Paleoceanography and Paleoclimatology 34 (3) , pp. 316-328. 10.1029/2018PA003420

Sosdian, S.M., Greenop, R., Hain, M.H., Foster, G.L., Pearson, P.N. and Lear, C.H. 2018. Constraining the evolution of Neogene ocean carbonate chemistry using the boron isotope pH proxy. Earth and Planetary Science Letters 498 , pp. 362-376. 10.1016/j.epsl.2018.06.017

Barrientos, Natalia, Lear, Caroline, Jakobsson, Martin, Stranne, Christian, O'Regan, Matt, Cronin, Thomas M., Gukov, Alexandr Y. and Coxall, Helen K. 2018. Arctic Ocean benthic foraminifera Mg/Ca ratios and global Mg/Ca-temperature calibrations: New constraints at low temperatures. Geochimica et Cosmochimica Acta 236 , pp. 240-259. 10.1016/j.gca.2018.02.036

Evans, D., Badger, M.P.S., Foster, G.L., Henehan, M.J., Lear, Caroline and Zachos, J.C. 2018. No substantial long-term bias in the Cenozoic benthic foraminifera oxygen-isotope record. Nature Communications 9 , 2875. 10.1038/s41467-018-05303-4

Gray, William R., Rae, James W. B., Wills, Robert C. J., Shevenell, Amelia E., Taylor, Ben, Burke, Andrea, Foster, Gavin L. and Lear, Caroline H. 2018. Deglacial upwelling, productivity and CO2 outgassing in the North Pacific Ocean. Nature Geoscience 11 (5) , pp. 340-344. 10.1038/s41561-018-0108-6

Diester-Haass, Liselotte, Billups, Katharina and Lear, Caroline 2018. Productivity changes across the mid-Pleistocene climate transition. Earth-Science Reviews 179 , pp. 372-391. 10.1016/j.earscirev.2018.02.016

Detlef, H., Belt, S. T., Sosdian, S. M., Smik, L., Lear, Caroline Helen, Hall, Ian, Cabedo-Sanz, P., Husum, K. and Kender, S. 2018. Sea ice dynamics across the Mid-Pleistocene transition in the Bering Sea. Nature Communications 9 (1) , -. 10.1038/s41467-018-02845-5

Ladant, Jean-Baptiste, Donnadieu, Yannick, Bopp, Laurent, Lear, Caroline and Wilson, Paul A. 2018. Meridional contrasts in productivity changes driven by the opening of Drake Passage. Paleoceanography and Paleoclimatology 33 (3) , pp. 302-317. 10.1002/2017PA003211

Coxall, Helen K., Huck, Claire E., Huber, Matthew, Lear, Caroline H., Legarda-Lisarri, Alba, O'Regan, Matt, Sliwinska, Kasia K., van de Flierdt, Tina, de Boer, Agatha M., Zachos, James C. and Backman, Jan 2018. Export of nutrient rich Northern Component Water preceded early Oligocene Antarctic glaciation. Nature Geoscience 11 (3) , pp. 190-196. 10.1038/s41561-018-0069-9

Hasenfratz, A.P., Schiebel, R., Thornalley, D.J.R., Schonfeld, J., Jaccard, S.L., Martinez-Garcia, A., Holbourn, A., Jennings, A.E., Kuhnt, W., Lear, Caroline, Marchitto, T.M., Quillmann, U., Rosenthal, Y., Yu, J. and Haug, G.H. 2017. Mg/Ca-temperature calibration for the benthic foraminifera Melonis barleeanum and Melonis pompilioides. Geochimica et Cosmochimica Acta 217 , pp. 365-383. 10.1016/j.gca.2017.08.038

Greenop, R., Foster, G. L., Sosdian, Sindia, Hain, M. P., Oliver, K. I. C., Goodwin, P., Chalk, T. B., Lear, Caroline Helen and Wilson, P. A. 2017. A record of Neogene seawater δ11B reconstructed from paired δ11B analyses on benthic and planktic foraminifera. Climate of the Past Discussions 13 , pp. 149-170. 10.5194/cp-13-149-2017

Lunt, Daniel J., Huber, Matthew, Anagnostou, Eleni, Baatsen, Michiel L. J., Caballero, Rodrigo, DeConto, Rob, Dijkstra, Henk A., Donnadieu, Yannick, Evans, David, Feng, Ran, Foster, Gavin L., Gasson, Ed, von der Heydt, Anna S., Hollis, Chris J., Inglis, Gordon N., Jones, Stephen M., Kiehl, Jeff, Kirtland Turner, Sandy, Korty, Robert L., Kozdon, Reinhardt, Krishnan, Srinath, Ladant, Jean-Baptiste, Langebroek, Petra, Lear, Caroline Helen, LeGrande, Allegra N., Littler, Kate, Markwick, Paul, Otto-Bliesner, Bette, Pearson, Paul Nicholas, Poulsen, Christopher J., Salzmann, Ulrich, Shields, Christine, Snell, Kathryn, Stärz, Michael, Super, James, Tabor, Clay, Tierney, Jessica E., Tourte, Gregory J. L., Tripati, Aradhna, Upchurch, Garland R., Wade, Bridget S., Wing, Scott L., Winguth, Arne M. E., Wright, Nicky M., Zachos, James C. and Zeebe, Richard E. 2017. The DeepMIP contribution to PMIP4: experimental design for model simulations of the EECO, PETM, and pre-PETM (version 1.0). Geoscientific Model Development 10 (2) , pp. 889-901. 10.5194/gmd-10-889-2017

Lear, Caroline, Billups, Katharina, Rickaby, Rosalind, Diester-Haass, Liselotte, Mawbey, Elaine and Sosdian, Sindia 2016. Breathing more deeply: deep ocean carbon storage during the mid-Pleistocene climate transition. Geology 44 (12) , pp. 1035-1038. 10.1130/G38636.1

Lear, Caroline Helen and Lunt, Dan 2016. How Antarctica got its ice. Science 352 , pp. 34-35. 10.1126/science.aad6284

Lear, Caroline Helen, Coxall, Helen, Foster, Gavin, Lunt, Daniel, Mawbey, Elaine M., Rosenthal, Yair, Sosdian, Sindia, Thomas, Ellen and Wilson, Paul 2015. Neogene ice volume and ocean temperatures: Insights from infaunal foraminiferal Mg/Ca paleothermometry. Paleoceanography 30 (11) , 1437 -1454. 10.1002/2015PA002833

Kennedy, Alan, Farnsworth, Alexander, Lunt, Daniel, Lear, Caroline Helen and Markwick, Paul 2015. Atmospheric and oceanic impacts of Antarctic glaciation across the Eocene–Oligocene transition. Philosophical Transactions of the Royal Society A: Mathematical Physical and Engineering Sciences 373 (2054) , 20140419. 10.1098/rsta.2014.0419

Mitchell, Neil, Simmons, Harper and Lear, Caroline Helen 2015. Modern and ancient hiatuses in the pelagic caps of Pacific guyots and seamounts and internal tides. Geosphere 11 (5) , pp. 1590-1606. 10.1130/GES00999.1

Butler, Scott, Bailey, Trevor, Lear, Caroline Helen, Curry, Gordon, Cherns, Lesley and McDonald, Iain 2015. The Mg/Ca–temperature relationship in brachiopod shells: Calibrating a potential palaeoseasonality proxy. Chemical Geology 397 , pp. 106-117. 10.1016/j.chemgeo.2015.01.009

Mudelsee, Manfred, Bickert, Torsten, Lear, Caroline Helen and lohmann, Gerrit 2014. Cenozoic climate changes: A review based on time series analysis of marine benthic δ18O records. Reviews of Geophysics -Richmond Virginia then Washington- 52 (3) , pp. 333-374. 10.1002/2013RG000440

Greenop, Rosanna, Foster, Gavin L., Wilson, Paul A. and Lear, Caroline Helen 2014. Middle Miocene climate instability associated with high-amplitude CO2 variability. Paleoceanography 29 (9) , pp. 845-853. 10.1002/2014PA002653

Badger, Marcus Peter, Lear, Caroline Helen, Pancost, Richard D., Foster, Gavin L., Bailey, Trevor, Leng, Melanie J. and Abels, Hemmo A. 2013. CO2 drawdown following the middle Miocene expansion of the Antarctic ice sheet. Paleoceanography 28 (1) , pp. 42-53. 10.1002/palo.20015

Mawbey, Elaine M. and Lear, Caroline Helen 2013. Carbon cycle feedbacks during the Oligocene-Miocene transient glaciation. Geology 41 (9) , pp. 963-966. 10.1130/G34422.1

Sosdian, Sindia, Lear, Caroline Helen, Tao, Kai, Grossman, Ethan, O'Dea, Aaron and Rosenthal, Yair 2012. Cenozoic seawater Sr/Ca evolution. Geochemistry Geophysics Geosystems 13 (10) , Q10014. 10.1029/2012GC004240

Foster, G. L., Lear, Caroline Helen and Rae, J. W. B. 2012. The evolution of pCO2, ice volume and climate during the middle Miocene. Earth and Planetary Science Letters 341-44 , pp. 243-254. 10.1016/j.epsl.2012.06.007

Gasson, Edward, Siddall, Mark, Lunt, Daniel J., Rackham, Owen J. L., Lear, Caroline Helen and Pollard, David 2012. Exploring uncertainties in the relationship between temperature, ice volume, and sea level over the past 50 million years. Reviews of Geophysics 50 (1) , RG1005. 10.1029/2011RG000358

Lear, Caroline Helen, Mawbey, Elaine M. and Rosenthal, Yair 2010. Cenozoic benthic foraminiferal Mg/Ca and Li/Ca records: toward unlocking temperatures and saturation states. Paleoceanography 25 (4) , PA4215. 10.1029/2009PA001880

Gentry, D. Keith, Sosdian, Sindia, Grossman, Ethan L., Rosenthal, Yair, Hicks, David and Lear, Caroline Helen 2008. Stable isotope and Sr/Ca profiles from the marine gastropod Conus ermineus: testing a multiproxy approach for inferring paleotemperature and paleosalinity. Palaios 23 (4) , pp. 195-209. 10.2110/palo.2006.p06-112r

Lear, Caroline Helen, Bailey, Trevor R., Pearson, Paul Nicholas, Coxall, Helen Kathrine and Rosenthal, Yair 2008. Cooling and ice growth across the Eocene-Oligocene transition. Geology 36 (3) , pp. 251-254. 10.1130/G24584A.1

Burgess, Catherine Elizabeth, Pearson, Paul Nicholas, Lear, Caroline Helen, Morgans, Hugh E. G., Handley, Luke, Pancost, Richard D. and Schouten, Stefan 2008. Middle Eocene climate cyclicity in the southern Pacific: implications for global ice volume. Geology 36 (8) , pp. 651-654. 10.1130/G24762A.1

Pearson, Paul Nicholas, McMillan, Ian Kenneth, Wade, Bridget S., Jones, Tom Dunkley, Coxall, Helen Kathrine, Bown, Paul R. and Lear, Caroline Helen 2008. Extinction and environmental change across the Eocene-Oligocene boundary in Tanzania. Geology 36 (2) , pp. 179-182. 10.1130/G24308A.1

Dunkley Jones, Tom, Bown, Paul R., Pearson, Paul Nicholas, Wade, Bridget S., Coxall, Helen Kathrine and Lear, Caroline Helen 2008. Major shifts in calcareous phytoplankton assemblages through the Eocene-Oligocene transition of Tanzania and their implications for low-latitude primary production. Paleoceanography 23 (4) , PA4204. 10.1029/2008PA001640

DeConto, Robert M., Pollard, David, Wilson, Paul A., Pälike, Heiko, Lear, Caroline Helen and Pagani, Mark 2008. Thresholds for Cenozoic bipolar glaciation. Nature 455 (7213) , pp. 652-656. 10.1038/nature07337

Lear, Caroline Helen and Rosenthal, Yair 2006. Benthic foraminiferal Li/Ca: insights into Cenozoic seawater carbonate saturation state. Geology 34 (11) , pp. 985-988. 10.1130/G22792A.1

Rosenthal, Yair, Lear, Caroline Helen, Oppo, Delia W. and Linsley, Braddock K. 2006. Temperature and carbonate ion effects on Mg/Ca and Sr/Ca ratios in benthic foraminifera: Aragonitic species Hoeglundina elegans. Paleoceanography 21 (1) , PA1007. 10.1029/2005PA001158

Sosdian, Sindia, Gentry, D. Keith, Lear, Caroline Helen, Grossman, Ethan L., Hicks, David and Rosenthal, Yair 2006. Strontium to calcium ratios in the marine gastropod Conus ermineus: Growth rate effects and temperature calibration. Geochemistry Geophysics Geosystems 7 (11) , Q11023. 10.1029/2005GC001233

Andreasen, Dyke H., Sosdian, Sindia, Perron-Cashman, Suzanne, Lear, Caroline Helen, deGaridel-Thoron, Thibault, Field, Paul and Rosenthal, Yair 2006. Fidelity of radially viewed ICP-OES and magnetic-sector ICP-MS measurement of Mg/Ca and Sr/Ca ratios in marine biogenic carbonates: Are they trustworthy together? Geochemistry Geophysics Geosystems 7 (10) , Q10P18. 10.1029/2005GC001124

Bailey, Trevor R. and Lear, Caroline Helen 2006. Testing the effect of carbonate saturation on the Sr/Ca of biogenic aragonite: A case study from the River Ehen, Cumbria, UK. Geochemistry Geophysics Geosystems 7 (3) , Q03019. 10.1029/2005GC001084

Palike, H., Norris, R. D., Herrle, J. O., Wilson, P. A., Coxall, Helen Katherine, Lear, Caroline Helen, Shackleton, N. J., Tripati, A. K. and Wade, B. S. 2006. The Heartbeat of the Oligocene Climate System. Science 314 (5807) , pp. 1894-1898. 10.1126/science.1133822

Coxall, Helen Kathrine, Wilson, Paul A., Pälike, Heiko, Lear, Caroline Helen and Backman, Jan 2005. Rapid stepwise onset of Antarctic glaciation and deeper calcite compensation in the Pacific. Nature 433 (7021) , pp. 53-57. 10.1038/nature03135

Lear, Caroline Helen, Rosenthal, Y., Coxall, Helen Kathrine and Wilson, P. A. 2004. Late Eocene to early Miocene ice sheet dynamics and the global carbon cycle. Paleoceanography 19 (4) , pp. 1-11. 10.1029/2004PA001039

Rosenthal, Yair, Perron-Cashman, S., Lear, Caroline Helen, Bard, E., Barker, Stephen, Billups, K., Bryan, M., Delaney, M. L., deMenocal, P. B., Dwyer, G. S., Elderfield, H., German, C. R., Greaves, M. and Lea, D. W. 2004. Interlaboratory comparison study of Mg/Ca and Sr/Ca measurements in planktonic foraminifera for paleoceanographic research. Geochemistry Geophysics Geosystems 5 (4) , Q04D09. 10.1029/2003GC000650

Lear, Caroline Helen, Elderfield, Henry and Wilson, P. A. 2003. A Cenozoic seawater Sr/Ca record from benthic foraminiferal calcite and its application in determining global weathering fluxes. Earth and Planetary Science Letters 208 (1-2) , pp. 69-84. 10.1016/S0012-821X(02)01156-1

Lear, Caroline Helen, Rosenthal, Yair and Wright, James D. 2003. The closing of a seaway: ocean water masses and global climate change. Earth and Planetary Science Letters 210 (3-4) , pp. 425-436. 10.1016/S0012-821X(03)00164-X

Lear, Caroline Helen, Rosenthal, Yair and Slowey, Niall 2002. Benthic foraminiferal Mg/Ca-paleothermometry: a revised core-top calibration. Geochimica Et Cosmochimica Acta 66 (19) , pp. 3375-3387. 10.1016/S0016-7037(02)00941-9

Lear, Caroline Helen, Elderfield, H. and Wilson, P. A. 2000. Cenozoic Deep-Sea Temperatures and Global Ice Volumes from Mg/Ca in Benthic Foraminiferal Calcite. Science 287 (5451) , pp. 269-272. 10.1126/science.287.5451.269

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