Large Lakes Observatory

Doug Ricketts

Research Associate & Marine Manager

Large Lakes Observatory
University of Minnesota
2205 E. 5th St.,
Research Laboratory Building 214
Duluth, MN 55812

Tel. (218) 726-7826

Fax: (218) 726-6979

email: ricketts at d.umn.edu

RESEARCH INTERESTS

The use of stable isotopes and trace metals to understand past climate in lacustrine basins. Field areas include the East African Rift Lakes and Issyk-Kul in Kyrgyzstan.

EDUCATION

Duke University, Ph.D.
Ohio State University, B.S. (Honors)

PUBLICATIONS

Park, L.E., and Ricketts, R.D., 2003. Evolutionary history of the Ostracoda and the origin of nonmarine faunas, in: Bridging the Gap: Trends in the Ostracode Biological and Geological Sciences, The Paleontological Society Special Papers, v. 9 ., eds. L. E. Park and A. J. Smith. Yale University Press, New Haven, pp. 11-36.

H. Lamb, S. Kebede, M. Leng, R. D. Ricketts, R. Telford, and M. Umer, 2002. Origin and isotope composition of aragonite laminae in an Ethiopian crater lake, in: The East African Great Lakes: Limnology, Palaeolimnology and Biodiversity , eds. E. O. Odada and D. O. Olago. Kluwer Academic Publishers, Dordrecht, Netherlands, pp. 487-508.

R. D. Ricketts, T. C. Johnson, E. T. Brown, K. A. Rasmussen, and V. V. Romanovsky, 2001. Trace element and stable isotope study of the Holocene paleoclimate of Lake Issyk-Kul. Palaeogeography, Palaeoclimatology, Palaeoecology, 176, pp. 207-227.

K. A. Rasmussen, R. D. Ricketts, T. C. Johnson, V. V. Romanovsky, and O. M. Grigina, 2001. An 8,000 Year Multi-proxy Record from Lake Issyk-Kul, Kyrgyzstan. PAGES News , vol. 9 (2), pp. 5-6.

R. D. Ricketts and R. Anderson, 2001. Stable isotope study of Lake Turkana, East Africa. in: Use of isotope techniques in lake dynamics investigations, IAEA Tecdoc 1206 . International Atomic Energy Agency, pp. 97-104.

R. D. Ricketts, 1998. A comparison between the stable isotopic composition of early Holocene and late Pleistocene carbonates from Lake Malawi, East Africa, in: Environmental Change and Response in East African Lakes , ed. J. Lehman. Kluwar Academic Publishers, Dordrecht, Netherlands, pp.191-206.

R. D. Ricketts and R. Anderson, 1998. A direct comparison between the historical record of lake level and the d 18 O signal in carbonate sediments from Lake Turkana, Kenya. Limnology and Oceanography, 43(5), pp. 811-822.

R. D. Ricketts, and T. C. Johnson, 1996. Climate change in the Turkana Basin as deduced from a 4000 year long d 18 O record.Earth and Planetary Science Letters, 142:7-17.

R. D. Ricketts and T. C. Johnson, 1996. Early Holocene changes in lake level and productivity in Lake Malawi as interpreted from oxygen and carbon isotopic measurements from authigenic carbonates, in: The Limnology, Climatology, and Paleoclimatology of the East African Lakes , eds. T. C. Johnson and E. O. Odada. Gordon and Breach, Newark, N.J., pp. 475-494.

T. C. Johnson, C.A. Scholz, T.R. Talbot, K. Kelts, R. D. Ricketts, G. Ngobi, K. Beuning, I. Ssemmanda, and J. A. McGill, 1996. Late Pleistocene desiccation of Lake Victoria and rapid evolution of Cichlid fishes. Science, 273:1091-1093.