James Lawrence Repka -- Curriculum Vitae and Publications

Born:

28 December 1956

Position:

Assistant Professor, Department of Geology, Earth and Marine Sciences

Address:

Math/Science Division

Saddleback College

28000 Marguerite Parkway

Mission Viejo CA 92692

Contact:

jrepka@saddleback.edu

(949) 582-4694 (office)

(949) 347-1936 (fax)

Education:

Ph.D. (March 1998) Earth Sciences Department, University of California, Santa Cruz Advisor: Dr. Robert S. Anderson

Dissertation: Exposure Ages of Depositional Surfaces Using Cosmogenic Radionuclides: Application to Strath Terraces in the Western U.S.

B.A. (May 1991) Geology Department, University of California, Berkeley

Senior Thesis: Channel initiation in arid landscapes

A.A. (May 1988) General Studies, Saddleback College, Mission Viejo CA

Career Experience:

• 8/96 - present: Assistant Professor of Geology, Saddleback College
• 9/91 - 8/96: Graduate Student Researcher, Earth Sciences Department, University of California, Santa Cruz
• 5/91 - 9/91: Lab Technician, Center for Accelerator Mass Spectrometry, Lawrence Livermore National Labs
• 8/90 - 5/91: Lab Assistant, Seismological Laboratory, University of California, Berkeley
• 8/88 - 8/90: Lab Assistant, Department of Chemistry, University of California, Berkeley
• 5/88 - 8/88: Lab Assistant, Physics Department, Saddleback College
• 5/78 - 5/88: Clerk, U.S. Postal Service

Awards and Fellowships:

University of California Regents' Fellowship, 1991-1992; A.A., Magna Cum Laude

Professional Societies:

• American Geophysical Union
• Geological Society of America
• National Association of Geoscience Teachers
• South Coast Geological Society
• Alpha Gamma Sigma Honor Society

Conferences:

• American Geophysical Union Fall Meeting, 1992, 1993, 1994
• Eighth International Conference on Geochronology, Cosmochronology and Isotope Geology, 1994
• Geological Society of America Annual meeting, 1995

Departmental Seminars:

• University of California, Santa Cruz, March 1998
• University of Alabama, April 1999

Publications:

• J. L. Repka (1998) Exposure Ages of Depositional Surfaces Using Cosmogenic Radionuclides: Application to Strath Terraces in the Western U. S.; U. C. Santa Cruz, Ph.D. dissertation 128 p.
• J. L. Repka, R. S. Anderson and R. C. Finkel (1997) Cosmogenic dating of fluvial terraces, Fremont River, Utah; Earth and Planetary Science Letters 152:59-73
• J. L. Repka, R. S. Anderson, G. S. Dick, R. C. Finkel and J. Southon (1994) Rate constraints of river incision using cosmogenic radionuclides: examples from fluvial terraces along the Fremont River, Utah; Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology, U. S. Geological Survey Circular 1107:265
• J. L. Repka, R. S. Anderson, G. S. Dick and R. C. Finkel (1993) Rates of geomorphic processes using cosmogenic radionuclides: examples from pediments and fluvial terraces in the Fremont River Basin, Utah; EOS Transactions, AGU 74:294
• J. L. Repka, R. S. Anderson, G. S. Dick and R. C. Finkel (1994) Dating terraces using amalgamated sample cosmogenic radionuclides: application to the Fremont River, Utah; EOS Transactions, AGU 75:272
• R. S. Anderson, J. L. Repka and G. S. Dick (1996) Explicit treatment of inheritance in dating depositional surfaces using in situ ¹⁰Be and ²⁶Al; Geology 24:47-51
• G. S. Dick, R. S. Anderson, J. L. Repka and D. E. Sampson (1993) Real time documentation of ephemeral channel processes, Upper Blue Hills badlands, Utah; EOS Transactions, AGU 74:295
• G. S. Dick, R. S. Anderson, J. L. Repka, O. A. Chadwick and R. C. Finkel (1995) ¹⁰Be and ²⁶Al dating of fluvial terraces, Wind River, Wyoming; EOS Transactions, AGU 76:690
• E. E. Small, R. S. Anderson, J. L. Repka and R. C. Finkel (1997) Erosion rates of alpine bedrock summit surfaces deduced from in situ ¹⁰Be and ²⁶Al; Earth and Planetary Science Letters 150:413-425

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