MacGregor is a Geomorphologist with a specialty in glacial processes. Her current research focuses on understanding the role of glaciers in shaping alpine landscapes. She uses tools such as GPS, stream gauging stations, and good old-fashioned shovels to understand how glaciers behave over daily to annual timescales, and how they affect the rocky landscapes they occupy. She also uses numerical models to simulate their role in creating the fantastic mountainous landscapes we see today. In addition to her work on glaciers, she is interested in the effects of dams on sediment and water transport in river systems. MacGregor teaches a variety of introductory and upper-level courses at Macalester, including Geomorphology (GEOL260), Environmental Geology (GEOL120), History and Evolution of the Earth (GEOL155), and Glaciers and Climate (GEOL294). As part of the curriculum she works with students on field research projects. EDUCATION: B.A., Williams College; Ph.D., University of California, Santa Cruz MacGregor has been teaching at Macalester since 2003.
The sediment budget of an alpine cirque (with Johnny W. Sanders, Kurt M. Cuffey, and Brian D. Collins), The Geological Society of America Bulletin (2013)
Periglacial weathering and headwall erosion in cirque glacier bergschrunds (with J W. Sanders, K M. Cuffey, J R. Moore, and J L. Kavanaugh), Geology (2012)
Geomorphic and climatic change over the past 12,900 yr at Swiftcurrent Lake, Glacier National Park, Montana, USA (with Catherine A. Riihimaki, Amy Myrbo, Mark D. Shapley, and Krista Jankowski), Quaternary Research (2011)
Subsurface hydrology of an overdeepened cirque glacier (with C. F. Dow, J. L. Kavanaugh, J. W. Sanders, and K. M. Cuffey), Journal of Glaciology (2011)
Dynamics of an alpine cirque glacier (with J. W. Sanders, K. M. Cuffey, J. L. Kavanaugh, and C. F. Dow), American Journal of Science (2010)
Contributions to Books