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Magaret A. Tolbert

Margaret Tolbert Research Group

Professor, Department of Chemistry and Biochemistry (Analytical, Environmental, and Atmospheric Chemistry Division)
Fellow, Cooperative Institute for Research in Environmental Sciences (CIRES)

CU Distinguished Professor, 2010
Award for Creative Advances in Environmental Science and Technology, 2009
Hazel Barnes Prize, 2007
Guggenheim Fellowship, 2005
National Academy of Sciences Member, 2004
NASA Group Achievement Award, Crystal-Face Science Team, 2003
NASA Group Achievement Award, SOLVE Experiment, 2001
BFA Award for Excellence in Research, Scholarly and Creative Work, 2001

Curriculum Vitae [ PDF ]

Office: CIRES 166
Tel: 303.492.3179
Email: tolbert@colorado.edu

We are a research group in the department of Chemistry and CIRES at the University of Colorado at Boulder. Our research is aimed at contributing to a better understanding of the Earth's complex atmosphere. Specifically, work in our group specializes in understanding atmospheric heterogeneous chemistry. For example, the importance of heterogeneous chemistry in catalyzing stratospheric ozone loss has been firmly established. In the case of the ozone hole, reactions on polar stratospheric clouds (PSCs) are responsible for repartitioning chlorine reservoir species into photochemically active species capable of catalytically destroying ozone. However, significant questions still remain as to the composition, phase, nucleation mechanisms, and surface chemistry of PSCs. Traditionally, work in our group has been aimed at answering these questions.

Today, the research in our group has expanded in an attempt to answer similar questions about cirrus clouds and other particulate matter that exist in the troposphere. Currently, our research explores the chemistry of tropospheric aerosols, and the impact of such aerosols on climate and visibility. Finally, we are also probing aerosols in other planetary atmospheres and studying the possible role of aerosols on early Earth as life was developing. Research in our group is funded primarily through NASA and NSF.

Opportunities

Prospective Students

In the News

Recent Graduations Three Tolbert group members have graduated! Dr. Danielle Nuding has taken a position as a Systems Engineer at the Jet Propulsion Laboratory in Pasadena, CA. Dr. Nuding will be working on mission development for assigned JPL flight projects, which will include developing systems and mission level architectures. Dr. Gregg Schill was awarded a National Science Foundation Postdoctoral Research Fellowship and will be working with Prof. Paul DeMott at Colorado State University in Fort Collins, CO. Dr. Schill will be continuing ice nucleation studies, but on ambient aerosol from biomass burning and fossil fuel combustion. Dr. Kyle Zarzana will join Dr. Steve Brown's group at the NOAA Earth System Research Laboratory in Boulder, CO. Dr. Zarzana will be using cavity enhanced spectroscopy to study glyoxal and other traces gases.

Tolbert group members to USAID and Hobart and William Smith Colleges
Former Tolbert group members Dr. Christa Hasenkopf and Dr. Heidi Yoon have taken up new positions in Washington, D.C. and New York.  Dr. Hasenkopf is an American Institute of Physics State Department Science Fellow working at the U.S. Agency for International Development, where she will be working on initiatives that connect scientists in developing countries with US scientists to work on research relevant to development.  Dr. Yoon is a visiting assistant professor of Chemistry at Hobart and William Smith Colleges in Geneva, NY, where she is teaching general and physical chemistry. 

Margaret Tolbert Named CU Distinguished Professor
The University of Colorado Board of Regents awarded Margaret Tolbert, Ph.D., a Fellow of the Cooperative Institute for Research in Environmental Sciences (CIRES), and two other CU professors the university’s highest faculty honor, designation as Distinguished Professor, Friday, Sept., 17, 2010.  Distinguished Professors are CU faculty members who are leaders in their fields and are recognized for their outstanding contributions in teaching, research and distinguished scholarship or creative work. To date, 56 professors across the CU system hold the title. [ source: News & Events ]