UC Santa CruzOcean Sciences  
HomeAbout the DepartmentFacultyResearchGraduate ProgramCoursesSeminars & NewsResourcesSupport Us
 -- Faculty

Affiliated Faculty

--

Ocean Sciences
Earth & Marine Sciences Bldg.
A-312 Office
A-316 Mailroom
Santa Cruz, CA 95064
Phone: (831) 459-4730
Fax: (831) 459-4882
Email: Ocean Sciences
Directions & Parking

A-Z Index | Find People

--

Related Links:
Center for Origin, Dynamics, and Evolution of Planets (CODEP)
Center for Remote Sensing (CRS)
Center for the Dynamics and Evolution of the Land-Sea Interface (C.DELSI)
Center for the Study of Imaging and Dynamics of the Earth (CSIDE)
Chemistry & Biochemistry
Division of Physical & Biological Sciences
Earth & Planetary Sciences
Ecology & Evolutionary Biology (EEB)
Environmental Toxicology
Institute for Geophysics and Planetary Physics (IGPP)
Institute of Marine Sciences
Seymour Marine Discovery Center
UCSC Home

 

Ana Christina Ravelo Ana Christina Ravelo
Professor of Ocean Sciences

Ocean Sciences Department
University of California
Santa Cruz, CA 95064

Tel: (831) 459-3722
Fax: (831) 459-4882

Email: acr@ucsc.edu

Curriculum Vitae

Employment & Professional Experience
Education
Research Interests
Publications
Teaching Assignments
Graduate Students

EMPLOYMENT & PROFESSIONAL EXPERIENCE

2005-present Professor, University of California, Santa Cruz
2005-Present Director of the Institute of Geophysics and Planetary Physics, University of California, Santa Cruz branch
2000-2005 Associate Professor, University of California, Santa Cruz
1992-2000 Assistant Professor, University of California, Santa Cruz
1996-1997 Visting Scientist, Department of Geology, Hebrew University, Jerusalem, Israel
1991-1992 Visiting Research Scientist, Program in Atmospheric and Oceanic Sciences (NOAA) of
Princeton University and the Geophysical Fluid Dynamics Lab
1985-1991 Graduate Research Assistant, Light stable isotope facility of Lamont-Doherty Geological Observatory of Columbia University

EDUCATION

1991 Columbia University, NY,
Ph. D. in Geological Sciences
1991 Columbia University, NY,
M. Phil. in Geological Sciences
1987 Columbia University, NY,
M. A. in Geological Sciences
1984 Stanford University, Stanford, CA
B. S. in Geology
1984 Stanford University, Stanford, CA
B. A. in Anthropology

return to top of page

RESEARCH INTERESTS:

Stable isotope geochemistry and chemical oceanography; paleoclimatology

PUBLICATIONS

Ravelo, A.C., P.S. Dekens, and M. McCarthy.  Evidence for El Niño-like conditions during the Pliocene, GSA Today, 16, 4-11, doi: 10.1130/1052-5173, (2006).

Wara, M.W. and A.C. Ravelo.  Data Report: Mg/Ca, Sr/Ca, Mn/Ca, and Oxygen and Carbon Isotope Records of Plio-Pleistocene Foraminifera from ODP Leg 202 Site1237, submitted for consideration for publication in the Scientific Results of Ocean Drilling Leg 202, Proc. ODP, Sci. Results, 202, (2006, in press).

Hassold, N.J.C., D.K. Rea, B.A. van der Pluijm, J.M. Parés, J.D. Gleason and A.C. Ravelo.  Late Miocene to Pleistocene paleoceanographic records from the Feni and Gardar Drifts:  Pliocene reduction in abyssal flow, Palaeogeography,  Palaeoclimatology,  Palaeoecology, doi:10.1016/j.palaeo.2005.11.011, (2005).

Wara, M.W., A.C. Ravelo and M.L. Delaney. Permanent El Niño-like conditions during the Pliocene warm period, Science, 309, 758-761, (2005).

Haywood, A.M., P. Dekens, A.C. Ravelo and M. Williams.  Warmer tropics during the mid-Pliocene evidence from alkenone paleothermometry and a fully coupled mid Pliocene ocean-atmosphere GCM, Geochemistry, Geophysics, Geosystems 6 (1), doi:10.1029/2004GC000799, (2005).

Ravelo, A.C. and M.W. Wara. The role of the tropical oceans on global climate during a warm period and a major climate transition, Oceanography, 17, 22-31, (2004).

Ravelo, A.C., D. Andreasen, M. Lyle, A. Olivarez Lyle, and M.W. Wara. Regional climate shifts caused by gradual global cooling in the Pliocene epoch, Nature, 429, 263-267, (2004).

Wara, M.W., M. L. Delaney, T. D. Bullen, and A. C. Ravelo.  The Possible roles of pH, temperature, and partial dissolution in determining boron concentration and isotopic composition in planktonic foraminifera,  Paleoceanography, 18, DOI 10.1029/2002PA000797, (2003).

Wara, M.W., L.D. Anderson, S.A. Schellenberg, R. Franks, A.C. Ravelo, and M.L. Delaney.  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  4 (8), 8404, doi:10.1029/2003GC000525 (2003).

Winograd, I.J., T. D. Herbert, J. D. Schuffert, D. Andreasen, L. Heusser, M. Lyle, A. Mix, A. C. Ravelo, L. D. Stott and J. C. Herguera. The California Current, Devils Hole, and Pleistocene Climate, Science, 296, 7, (2002).

return to top of page

Herbert, T., J. D. Schuffert, D. Andreasen, L. Heusser, M. Lyle, A. Mix, A. C. Ravelo, L. D. Stott, and J. C. Herguera, Collapse of the California Current during glacial maxima and associated terrestrial climatic changes, Science, 293, 71-76, (2001).

Anderson, L. D., and A. C. Ravelo. Data Report: Biogenic opal in Palmer Deep sediments, Site 1098, Leg 178, Proc. ODP, Sci. Results, 178, In Barker, P.F., Camerlenghi, A., Acton, G.D., and Ramsay, A.T.S. (Eds.), Proc. ODP, Sci. Results, 178 [Online]. Available from World Wide Web: http://wwwodp.tamu.edu/publications/178_SR/chap_01/chap_01.htm, (2001).

McIntyre, K., M. L. Delaney and A. C. Ravelo.  Millennial-scale climate change and oceanic processes in the Late Pliocene and Early Pleistocene, Paleoceanography, 16, 535-543, (2001).

Haug, G. H., R. Tiedemann, R. Zahn, A. C. Ravelo. The closure of the middle American seaway, Caribbean Sea surface salinity, ocean circulation, and Pliocene climate, Geology, 29, 207-210, (2001).

Andreasen, D. H., A. C. Ravelo, and A. J. Broccoli. Remote forcing at the Last Glacial Maximum in the Tropical Pacific Ocean, Journal of Geophysical Research < Oceans, 106, 879-898, (2001).

Mix, A. C., E. Bard, G. Eglinton, L. D. Keigwin, A. C. Ravelo and Y. Rosenthal. Alkenones and multiproxy strategies in paleoceanographic studies, Geochemistry, Geophysics, and Geosystems, 1, 2000GC000056, (2000).

Ravelo, A. C., and D. H. Andreasen. Enhanced circulation during a warm period, Geophysical Research Letters, 27, 1001-1004, (2000).

Wara, M., A. C. Ravelo, and J. Revenaugh. The Pacemaker Always Rings Twice, Paleoceanography, 15, 616-624, (2000).

Poore, R. Z., H. W. Dowsett, J. A. Barron, L. Heusser, A. C. Ravelo, and A. Mix. Multiproxy record of the last interglacial off central and northern California, USA: ODP Sites 1018 and 1020, U.S. Geological Survey Professional Paper 1632, 1-19, (2000).

Chaisson, W., and A. C. Ravelo. Pliocene development of the East-West hydrographic gradient in the Equatorial Pacific, Paleoceanography, 15 , 497-505, (2000).

Andreasen, D., M. Flower, M. Harvey, S. Chang, and A. C. Ravelo. Data Report: Late Pleistocene Oxygen and Carbon Isotopic Records from ODP Leg 167 Sites 1011, 1012, and 1018, Lyle, M. et al (Eds), Proc. ODP, Sci. Results, 167: College Station, TX (Ocean Drilling Program), 141-144, (2000).

Lyle, M., A. Mix, A. C. Ravelo, D. Andreasen, L. Heusser, and A. Olivarez. Kyr-scale CaCO3 and Corg events along the northern and central California Margin: Stratigraphy and Origins, Lyle, M. (Eds) Proc. ODP, Sci. Results, 167: College Station, TX (Ocean Drilling Program), 163-182, (2000).

return to top of page

Faul, K., A. C. Ravelo and M. L. Delaney. Changes in upwelling, productivity, and photic zone depth in the eastern equatorial Pacific Ocean over the last 50,000 years: A foraminiferal isotopic and abundance study, Journal of Foraminiferal Research, 30, 110-125, (2000).

Ravelo, A. C., and D. H. Andreasen, Using planktonic foraminifera as monitors of the tropical surface ocean, Reconstructing Ocean History - A window into the future, F. Abrantes and A. Mix (eds), Plenum Press, New York, 217-244, (1999).

Kwiek, P. and A. C. Ravelo. Pacific Ocean intermediate and deep water circulation during the Pliocene, Palaeogeography, Palaeoclimatology, Palaeoecology, 154, 191-217, (1999).

McIntyre, K., A. C. Ravelo and M. L. Delaney. North Atlantic Intermediate water in the Pliocene-Early Pleistocene, Paleoceanography, 14, 324-335, (1999).

Billups, K., A. C. Ravelo, J. C. Zachos, and R. Norris. A link between ocean heat transport, thermohaline circulation and Intertropical Convergence Zone in the early Pliocene Atlantic, Geology, 287, 319-322, (1999).

Billups, K., A. C. Ravelo and J. C. Zachos. Early Pliocene climate: A perspective from the western equatorial Atlantic warm pool, Paleoceanography, 13, 459-470, (1998).

Billups, K., A. C. Ravelo and J. C. Zachos. Early Pliocene thermohaline circulation: Evidence for a link between north and south Atlantic warmth, Paleoceanography, 13, 84-95, (1998).

Ravelo, A. C., M. Lyle, I. Koizumi, J-P. Caulet, E. Fornaciari, A. Hayashida, F. Heider, J. Hood, S. Hovan, T. Janacek, A. Janek, R. Stax, M. Yamamoto and ODP Leg 167 Scientific Party. Pliocene carbonate accumulation along the California Margin, Paleoceanography, 12, 729-741, (1997).

Cannariato, K., and A. C. Ravelo. Plio-Pleistocene evolution of eastern tropical Pacific surface water circulation and thermocline depth, Paleoceanography, 12, 805-820, (1997).

McIntyre, K., A. C. Ravelo, M. L. Delaney, L. Anderson, and T. Johannessen. Groundtruthing the Cd/Ca-carbon isotope relationship in planktonic foraminifera from the Greenland-Iceland-Norwegian Seas, Marine Geology , 140, 61-73, (1997).

return to top of page

Andreasen, D. and A. C. Ravelo. Tropical Pacific Ocean Thermocline Depth Reconstructions for the Last Glacial, Paleoceanography, 12, 395-414, (1997).

Chaisson, W. P. and A. C. Ravelo. Changes in upper water-column structure at Site 925, Late Miocene-Pleistocene: Planktonic foraminifer assemblage and isotopic evidence, N. Shackleton, et al. (Eds.), Proc. ODP, Sci. Results, 154: College Station, TX (Ocean Drilling Program), 255-268, (1997).

Billups, K., A. C. Ravelo and J. C. Zachos, Early Pliocene deep water circulation: stable isotope evidence for enhanced northern component deep water, N. Shackleton, et al. (Eds.), Proc. ODP, Sci. Results, 154: College Station, TX (Ocean Drilling Program), 319-330, (1997).

Ravelo, A. C., and N. J. Shackleton. Evolution of surface water circulation in the east equatorial Pacific over the past 2.0 Ma: Isotopic measurements from ODP Site 851, Mayer, L., Pisias, N., Janecek, T., et al., Proc. ODP, Sci. Results, 138: College Station, TX (Ocean Drilling Program), 503-514, (1995).

Farrell, J. W., D. W. Murray, V. S. McKenna, and A. C. Ravelo. Upper ocean temperature and nutrient gradients inferred from Pleistocene d18O and d13C records in the eastern equatorial Pacific (ODP Site 847), Mayer, L., Pisias, N., Janecek, T., et al., Proc. ODP, Sci. Results, 138: College Station, TX (Ocean Drilling Program), 289 - 319, (1995).

Ravelo, A. C., and R. G. Fairbanks. Carbon isotope fractionation in multiple species of planktonic foraminifera from core-tops in the Tropical Atlantic. Journal of Foraminiferal Research, 25, 53-74, (1995).

Johannessen, T., E. Jansen, A. Flatoy, G. Johannessen, and A. C. Ravelo. Reconstruction of high latitude fronts and convective regions: combined stable isotope, foraminifer and sediment approach, in Carbon Cycling in the Glacial Ocean: Constraints on the Ocean's Role in Global Climate Change, (eds. Zahn et al.), (1994).

Ravelo, A. C. and R. G. Fairbanks. Oxygen isotopic composition of multiple species of planktonic foraminifera: recorders of the modern photic zone temperature gradient. Paleoceanography, 7, 815-832, (1992).

Ravelo, A. C., R. G. Fairbanks and S. G. H. Philander. Reconstructing tropical Atlantic hydrography using planktonic foraminifera and an ocean model. Paleoceanography, 5, 409-431, (1990).

return to top of page

TEACHING ASSIGNMENTS

OCEA 1 The Oceans
OCEA 80B Our Changing Planet
OCEA 102 Oceans and Climate
OCEA 280/EART 102 Marine Geology
OCEA 285/EART 126 Past Climate Change
OCEA 290E Topics in Climate and Oceanic Change
OCEA 292 Ocean Sciences Seminar
OCEA 293 Graduate Research Seminar
EART 128/161 Stable Isotope Geochemistry
EART 290M Topics in Atmospheric Chemistry (Co-teach with P. Chuang)
EART 290T Topics in Paleoceanography & Paleoclimatology
OAKS 001 Global Environmental Change
Course 70510 Paleoceanography    (Taught at Univ. of Jerusalem)

GRADUATE STUDENTS

Former Graduate Student Advisees

Dyke Andreasen Ph.D. student in Earth Sciences (1995 - 2001)
M.S. student in Marine Sciences (1993 - 1995)
Ph.D. Thesis Title: "Isolating sources of Plio-Pleistocene Climate Change"
Kristina Faul Ph.D. student in Earth Sciences (1994 - 2001) (co-sponsored with M. Delaney)
Thesis Title: "Nutrients and paleoproductivity dynamics during the Last Glacial Maximum and Early Paleogene"
Katherina Billups Ph.D. student in Earth Sciences (1993 - 1998) (co-sponsored with J. Zachos)
Thesis Title: "Early Pliocene Climate: A low latitude perspective on high latitude warmth"
Peter Kwiek M.S. student in Earth Sciences (1996 - 1998)
Thesis Title: "Insights into Pacific water column evolution during the Pliocene and Early Pleistocene based on stable isotopes of benthic foraminifera"
Katherine McIntyre Ph.D. student in Earth Sciences (1992 - 1998) (co-sponsored with M. Delaney)
Thesis Title: "North Atlantic Intermediate and Deep Water, Nutrient Proxies, and Climate: Modern to late Pliocene"
Kevin Cannariato M.S. student in Marine Sciences (1993 - 1995)
Thesis Title: "Changing boundary conditions: Pliocene thermocline structure and Milankovitch forcing in the East Equatorial Pacific"
Michael Wara Ph.D. student in Ocean Sciences (1997 - 2003) (co-sponsored with M. Delaney)
Research topic: Investigations of the tropical role in climate change including sub-Milankovitch climate change of the Atlantic, and d11B, B/Ca, and Mg/Ca applications to paleoceanography

Current Graduate Student Advisees

Jonathan LaRiviere Ph.D. student in Ocean Sciences (2006-_)
Kelsey Dyck Ph.D. student in Earth Sciences (2006-_)  (Co-sponsored with P. Koch)
Andrew Rothwell M.S. student in Ocean Sciences (2003- _)
Petra Dekens Ph.D. student in Ocean Sciences (2001-_)

return to top of page
alt
Home | About the Department | Faculty | Research | Graduate Program | Courses | Seminars & News | Resources | Support Us
Page Maintained by Department Assistant| Last Reviewed 6/5/08 | © 2007 UC Santa Cruz