Education:
B.A. Mathematics, Swarthmore College, 1968
Ph.D., Geological Sciences, University of Colorado, 1980
Membership in Professional Societies:
Professional Experience:
| 1974-1979 (intermittent): | Geophysicist, USGS |
| 1979-present: | Research Geophysicist, USGS |
Current Research:
Late Pleistocene to Holocene paleoenvironmental records derived from lake sediments. Impacts of climate change on hydrologic systems and the land surface. Anthropogenic impacts on lacustrine systems, especially chemical and magnetic records of airborne pollution. Environmental magnetism, especially records of glaciation and other catchment processes. Effects of post-depositional alteration on magnetic properties of lake sediments, both limitations to interpretation of detrital records and interpretation of changes in hydrologic conditions.
Project Chief, Western Lake/Catchment Systems
Selected Publications Since 1990:
Reynolds, R.L., Rosenbaum, J.G., Hudson, M.R., and Fishman, N.S., 1990, Rock magnetism, the distribution of magnetic minerals in the earth's crust, and aeromagnetic anomalies: in Hanna, W.F. ed., Geologic applications of modern aeromagnetic surveys, U.S. Geological Survey Bulletin 1924, p. 24-45.
Pallister, J.S., du Bray, E.A., Rosenbaum, J.G., Snee, L.W., and Yager, D.B., 1990, Calderas in 3-D, Chiricahua Mountains, southeast Arizona, Arizona Geological Survey Special Paper 7, p. 31-40.
Dzurisin, D., Denlinger, R.P., Rosenbaum, J.G., 1990, Cooling rate and thermal structure determined from progressive magnetization of the dacite dome at Mount St. Helens, Washington, Journal of Geophysical Research, v. 95, p. 2763-2780.
Rosenbaum, J.G., Hudson, M.R., and Scott, R.B., 1991 Paleomagnetic constraints on the geometry and timing of deformation at Yucca Mountain, Nevada, Journal of Geophysical Research, v. 96, p. 1963-1979.
Schlinger, C.M., Veblen, D.R., and Rosenbaum, J.G., 1991, Magnetism and magnetic mineralogy of ash-flow sheets from Yucca Mountain, Nevada, Journal of Geophysical Research, v. 96, p. 6035-6052.
Hildenbrand, T.G., Rosenbaum, J.G., and Reynolds, R.L., 1992, High-resolution aeromagnetic study of the New Madrid fault zone: A preliminary report, Seismological Research Letters, v. 63, p. 209-221.
Hildenbrand, T.G., Rosenbaum, J.G., and Kauahikaua, J.P., 1993, Regional aeromagnetic study of the Island of Hawaii, Journal of Geophysical Research, v. 98, p. 4099-4119.
Scott, R.B., Grommé, C.S., Best, M.G., Rosenbaum, J.G., and Hudson, M.R., 1995, Stratigraphic relationships of Tertiary volcanic rocks in central Lincoln County, Nevada: in Scott, R.B. and Swadley, WC, eds., Geologic Studies in the Basin and Range - Colorado Plateau transition in southeastern Nevada, southwestern Utah, and northwestern Arizona, 1992, U.S. Geological Survey Bulletin 2056-A, p. 5-41.
Hudson, M.R., Rosenbaum, J.G., Scott, R.B., and Rowley, P.D., 1995, Paleomagnetic data from the Miocene Hiko Tuff, southeastern Nevada, and its tectonic implications: in Scott, R.B. and Swadley, WC, eds., Geologic Studies in the Basin and Range - Colorado Plateau transition in southeastern Nevada, southwestern Utah, and northwestern Arizona, U.S. Geological Survey Bulletin 2056-H, p.219-232.
Rosenbaum, J.G., 1993, Magnetic grain-size variations through an ash-flow sheet: Influence on magnetic properties and implications for cooling history, Journal of Geophysical Research, v. 98, p. 11715-11727.
Sweetkind, D.S., Reynolds, R.L., Sawyer, D.A., and Rosenbaum, J.G., 1993, Effects of hydrothermal alteration on magnetization of the Oligocene Carpenter Ridge Tuff, Bachelor caldera, San Juan Mountains, Colorado, Journal of Geophysical Research, v. 98, p. 6255-6266.
Rodbell, D., Rosenbaum, J.G., and Reynolds, R.L., 1993, Mineral magnetic studies of MMV loess, in Markewich, H.W., (ed.) Progress report on chronostratigraphic and paleoclimatic studies, middle Mississippi Valley, eastern Arkansas and western Tennessee, U.S. Geological Survey Open-file Report 93-273, p. 23-25, and 40-60.
Scott, R.B., Grommé, C.S., Best, M.G., Rosenbaum, J.G., and Hudson, M.R, 1995, Stratigraphic relationships of Tertiary volcanic rocks in central Lincoln County, southeastern Nevada, in Scott, R.B., and Swadley, WC, eds., Geologic studies in the Basin and Range--Colorado plateau transition in southeastern Nevada, southwestern Utah, and northwestern Arizona: U.S. Geological Survey Bulletin 2056, p. 5-41.
Rosenbaum, J.G., Reynolds, R.L., Adam, D.P., Drexler, J., Sarna-Wojcicki, A.M., and Whitney, G.C., 1996, A middle Pleistocene climate record from Buck Lake, Cascade Range, southern Oregon--evidence from sediment magnetism, trace-element geochemistry, and pollen, Geological Society of America Bulletin, v. 108, p. 1328-1341.
Hudson, M.R., Rosenbaum, J.G., Gromme, C.S., Scott, R.B., and Rowley, P.D., 1998, Paleomagnetic evidence for counterclockwise rotation in a broad sinistral shear zone, Basin and Range Province, southeastern Nevada and southwestern Utah, in Faulds, J.E., and Stewart, J.H., eds., Accommodation Zones and Transfer Zones: The Regional Segmentation of the Basin and Range Province, Geological Society of America Special Paper 323, p. 149-180.
Jackson, M., Moskowitz, B., Rosenbaum, J., and Kissel, C., 1998, Field-dependence of AC susceptibility in titanomagnetites: for Earth and Planetary Science Letters, v. 157, pp. 129-139.
Reynolds, R.L., Rosenbaum, J.G., van Metre, P., Tuttle, M., Callender, E., and Goldin, A., 1999, Greigite (Fe3S4) as an indicator of drought - The 1912-1994 sediment magnetic record from White Rock Lake, Dallas, Texas, USA, Journal of Paleolimnology, v. 21, p. 193-206.
Reynolds, R.L., Rosenbaum, J.G., Sweetkind, D.S., Lanphere, M.A., Roberts, A.P., and Verosub, K.L., 2000, Recognition of primary and diagenetic magnetizations to determine the magnetic polarity record and timing of deposition of the moat-fill rocks of the Oligocene Creede Formation, in Bethke, P.M., and Hay, R.L., eds., Ancient Lake Creede: Its volcano-tectonic setting, history of sedimentation, and relation to mineralization in the Creede Mining District: Boulder, Colorado, Geological Society of America Special Paper 346, p. 77-93.
Colman, S.M., Rosenbaum, J.G., Reynolds, R.L., Sarna-Wojcicki, A.M., 2000, Post Mazama (7 KA) faulting beneath Upper Klamath lake, Oregon, Bulletin Seismological Society of America, 90, pp. 243-247.
Rosenbaum, J.G., Reynolds, R.L., Smoot, J., Meyer, R., 2000, Anisotropy of magnetic susceptibility as a tool for recognizing core deformation: Reevaluation of the paleomagnetic record of Pleistocene sediments from drill hole OL-92, Owens Lake, California, Earth And Planetary Science Letters 178, 415-424.
Dean, W.E, Rosenbaum, J.G, Haskell, B., Kelts, K., Schnurrenberger, D.,Valero-Garcés, B., Cohen, A., Davis, O., Dinter, D., and Nielson, D., 2002, Progress in Global Lake Drilling holds potential for Global Change research, EOS (Trans. American Geophysical Union), v. 83, p. 85, 90, 91.
Colman, S.M., Bradbury, J.P., and Rosenbaum, J.G., 2004, Paleolimnology and paleoclimate studies in Upper Klamath Lake, Oregon, Journal of Paleolimnology 31, 129-138.
Reynolds, R.L., Rosenbaum, J.G., Rapp, J., Kerwin, M.W., Bradbury, J.P., Colman, S.C., and Adam, D., 2004, Record of Late Pleistocene glaciation and deglaciation in the southern Cascade Range: I. Petrologic evidence from lacustrine sediment in Upper Klamath Lake, southern Oregon, Journal of Paleolimnology, 31, 217-233.
Rosenbaum, J.G., and Reynolds, R.L., 2004, Record of Late Pleistocene glaciation and deglaciation in the southern Cascade Range: II. Flux of glacial flour in a sediment core from Upper Klamath Lake, Oregon, Journal of Paleolimnology, 31, 235-252.
Rosenbaum, J.G., and Reynolds, R.L., 2004, Basis for paleoenvironmental interpretation of magnetic properties of sediment from Upper Klamath Lake (Oregon): effects of weathering and mineralogical sorting, Journal of Paleolimnology, 31, 253-265.
Dean, W., Rosenbaum, J., Skipp, G., Colman, S., Forester, R., Liu, A., Simmons, K., and Bischoff, J., 2006, Unusual Holocene and late Pleistocene carbonate sedimentation in Bear Lake, Utah and Idaho, USA, Sedimentary Geology, 185, 93-112.
Rosenbaum, J.G., and Heil Jr., C.W., The glacial/deglacial history of sedimentation in Bear Lake (Utah and Idaho), in review.
Smoot, J.P., and Rosenbaum, J.G., Sedimentary constraints on lake-level fluctuations for over 30,000 years at Bear Lake, Utah-Idaho, in review.
Colman, S.M., Rosenbaum, J.G., Kaufman, D., Dean, W.E., Forester, R. McGeehin, J.P,.Radiocarbon ages and age models for the last 30,000 years in Bear Lake, Utah-Idaho, in review.
Heil Jr., C.W., King, J.W., Rosenbaum, J.G., Reynolds, R. and Colman, S.M., Paleomagnetism and Environmental Magnetism of Bear Lake, Idaho-Utah from GLAD800 Sediment Cores, in review.
U.S. Department of the Interior | U.S. Geological Survey
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