Education History
- B.S., Geology, State University of New York at Albany
- M.S., Geology, Colorado State University
- PHD, Earth Resources, Colorado State University
Work Experience
Adjunct Faculty, JHU Whiting School of Engineering, Engineering for Professionals
Publications
Publication Highlights (80 other publications available upon request)
Gellis, A.C., Harvey, J.W., Conaway, C.H., and Baker, N.T., 2024, Fine sediment drivers of aquatic ecosystem health, Chapter D in Knowledge gaps and opportunities in water-quality drivers of aquatic ecosystem health: U.S. Geological Survey Open-File Report 2023–1085, 18 p., https://doi.org/10.3133/ofr20231085.
Hecht, J., Marcy, D., Mason, R. Jr.; Kinsman, N., Honeycutt, M., Krolak, J., Schmied, L., Veatch, W., Fitzpatrick, F., Sharar-Salgado, D., Clark, E., Gellis, A., Weaver, C., 2023. Federal Flood Risk Management Standard Climate-Informed Science Approach (CISA) State of the Science Report https://www.epa.gov/system/files/documents/2024-08/ffrms-climate-informed-science-approach-state-of-the-science-report.pdf.
Gellis, A.C., Fuller, C.C., Van Metre, P., Filstrup, C.T., Tomer, M.D., Cole, K.J., Sabitov, T.Y., 2018, Combining sediment fingerprinting with age-dating sediment using fallout radionuclides for an agricultural stream, Walnut Creek, Iowa, USA: Journal of Soils and Sediments, online version https://link.springer.com/article/10.1007%2Fs11368-018-2168-z
Gellis, A.C. and Brakebill, J.W., 2017 Sediment Sources and Transport in the Chesapeake Bay Watershed. USGS Chesapeake Bay Activities, available at https://www.usgs.gov/media/files/sediment-sources-and-transport-chesapeake-bay-watershed
Gellis, A.C., Fuller, C.C., Van Metre, P.C., 2017, Sources and ages of fine-grained sediment to streams using fallout radionuclides in the Midwestern United States: Journal of Environmental Management, v. 194, no. 1, p. 73-85.
Gellis, A.C., Elliott, J.G. and Pavich, M., 2017, Geomorphic processes responsible for decadal-scale arroyo changes, Rio Puerco, New Mexico: Geological Society of America Bulletin, v. 129; no. 11/12; p. 1660–1680, https://doi.org/10.1130/B31622.1.
Gellis, A.C., Fitzpatrick, F., and Schubauer-Berigan, J., 2016, A Manual to Identify Sources of Fluvial Sediment: EPA report, EPA/600/R-16/210, 106 p. Accessed at https://pubs.er.usgs.gov/publication/70182516.
Gellis, A.C., 2013, Factors influencing storm-generated suspended-sediment concentrations and loads in four basins of contrasting land use, humid-tropical Puerto Rico: CATENA, v. 104, p. 39-57.
Gellis, A.C., Pavich, M.J., Ellwein, A.L., Aby, S., Clark, I., Wieczorek, M.E., and Viger, R., 2012, Erosion, Storage, and Transport of Sediment in Two Subbasins of the Rio Puerco, New Mexico: Geological Society of America Bulletin, v. 124; no. 5/6; p. 817–841.
Gellis, A.C., and Walling, D.E., 2011, Sediment-source fingerprinting (tracing) and sediment budgets as tools in targeting river and watershed restoration programs: American Geophysical Union Monograph Series 194, p. 263-291.
Gellis, A.C., Emmett, W.W., and Leopold, L.B., 2005, Channel and hillslope processes revisited in the Arroyo de los Frijoles watershed near Santa Fe, New Mexico: U.S. Geological Survey Professional Paper 1704, 53 p.
Honors and Awards
- GSA Fellowship (2018)
Professional Organizations
American Geophysical Union
Geological Society of America
International Commission on Continental Erosion