David W. Marchetti PhD

Biography

Biography

Courses I regularly teach

• GEOL 320 Geomorphology
• GEOL 363 Environmental Geochemistry
• GEOL 430 Hydrogeology
• GEOL 101 Physical Geology
• PHYS 120 Meteorology
• ENVS 373 The Water Planet
• GEOL 380 Paleoclimatology
• GEOG 340 Intro to GIS

Research Interests

• Cosmogenic exposure age dating
• Geologic Mapping of the Fish Lake Plateau, Utah
• Gravel capped benches near Capitol Reef National Park
• Glacial history of Boulder Mountain, Utah
• Western US paleoclimate from Fish Lake, UT sediments
• Hydrology of the upper Gunnison River basin
• Stable isotopes in meteoric waters
• Aqueous geochemistry

Student Research

Undergraduate students who have undertaken a geologic research project are at a tremendous advantage when applying for graduate school and jobs. Here are some recent and presently active projects:

• Zane Wasicko: Rock glaciers in the upper Gunnison River basin
• Austen Shirley: Rock crushing and mineral separation for cosmogenic 3He dating
• Rayni Lewis: Fluvial hydrology changes from beaver dam analogues
• Michael Carsen Floyd: Cosmogenic 3He dating of Boulder Mtn moraines
• Gordon Gianniny: Hydrology of Uncompahgre fritillary butterfly sites
• Manya Ruckhaus: Springs and hydrology of the Copper Creek drainage
• Amy Allbritton: Geomorphology related to soil carbonate rind formation
• Austen Beason: Geomorphology related to soil carbonate rind formation
• Mike Jury: Geologic Mapping of the Torrey 7.5 minute quadrangle, Utah
• Tom Jeute: Gunnison River alluvial aquifer characterization
• Mark Mikos: Geologic mapping of the Forsyth Reservoir 7.5 minute quadrangle, Utah
• Rebekah Parks: Geologic mapping of the Forsyth Reservoir 7.5 minute quadrangle, Utah
• James Haag: Stable isotope ratios of precipitation in the Gunnison Basin, Colo. 

Recent Publications

• Laabs, B.J., Licciardi, J.M., Leonard, E.M., Munroe, J.S., & Marchetti, D.W., 2020, Updated cosmogenic chronologies of Pleistocene mountain glaciation in the western United States and associated paleoclimate inferences. Quaternary Science Reviews, 242, 106427
• ​​ Marchetti, D.W., Stork, A.L., Solomon, D.K., Cerling, T.E., and Mace, W. 2020, Cosmogenic ³He exposure ages of basaltic flows from Miller Knoll, Panguitch Lake, Utah: using the alternative isochron approach to overcome low-gas crushes: Quaternary Geochronology, 55, 1010135.
• Carroll, R. W. H., Manning, A. H., Niswonger, R., Marchetti, D.W., & Williams, K. H., 2020, Baseflow age distributions and depth of active groundwater flow in a snow dominated mountain headwater basin. Water Resources Research, 56, e2020WR028161.
• Huth, T.E., Cerling, T.E., Marchetti, D.W., Bowling, D.R., Ellwein, A.L., Passey, B.H., Fernandez, D.P., Valley, J.W., Orland, I.J., 2020 Laminated soil carbonate rinds as a paleoclimate archive of the Colorado Plateau, Geochimica et Cosmochimica Acta, v. 282, p. 227−244
• Marchetti, D.W. and Marchetti, S.B., 2019, Stable isotope compositions of precipitation from Gunnison, Colorado 2007–2016: implications for the climatology of a high-elevation valley: Heliyon, v. 5.
• Huth, T.E., Cerling, T.E., Marchetti, D.W., Bowling, D.R., Ellwein, A.L., and Passey, B.H. 2019, Seasonal bias in soil carbonate formation and its implications for interpreting high‐resolution paleoarchives: evidence from southern Utah: Journal of Geophysical Research–Biogeosciences, 124.
• Marchetti, D.W., Anderson, L., Donovan, J.J., Harris, MS, and Huth, T., 2018, Fish Lake limnology and watershed aqueous geochemistry, Fish Lake Plateau, Utah, in Emerman, S.H., Simmons, S., Bowen, B., and Schamel, S., editors, Geofluids of Utah: Utah Geological Association Publication 47, p. 55–74.
• Reilly, B.T., Stoner, J.S., Hatfield, R.G., Abbott, M.B., Marchetti, D.W., Larsen, D.J., Finkenbinder, MS, Hillman, A.L., Kuehn, S.C., and Heil Jr., C.W., 2018, Regionally consistent western North America paleomagnetic directions from 15–35 ka: Assessing chronology and uncertainty with paleosecular variation stratigraphy (PSV): Quaternary Science Reviews v. 201, p. 186–205.
• Marchetti, D.W., Hynek, S.A., and Cerling, T.E., 2014, Cosmogenic ³He exposure ages of basalt flows in the northwestern Payún Matru volcanic field, Mendoza Province, Argentina: Quaternary Geochronology v. 19, p. 67−75.