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Chair's Welcome

Welcome to the Department of Atmospheric and Oceanic Science. The Department, part of the Earth Sciences Program that includes the collocated Earth System Science Interdisciplinary Center, offers undergraduate and graduate degrees in atmospheric and oceanic sciences, and climate earth sciences.

The department's research strengths are reinforced by strong collaborations leading to joint research topics with NASA Goddard Space Flight Center, Maryland Departments of the Environment and of Natural Resources, the National Centers for Environmental Prediction of the National Weather Service, the NOAA Satellite and Air Research Laboratories, all of which are located near the campus.

Fernando Miralles-Wilhelm, Professor and Chairman

UMD Weather
Posted on January 22, 2020
Montgomery School students hear from climate specialist Ross Salawitch

Seventh and eighth grade students at the Montgomery School in Chester Springs recently participated in a discussion on climate change with climate specialist Ross Salawitch — a professor in the department of Atmospheric & Oceanic Science and the department of Chemistry and Biochemistry at the University of Maryland.

Full Story

Posted on November 4, 2019
Twenty Questions and Answers About the Ozone Layer: 2018 Update

"Twenty Questions and Answers About the Ozone Layer: 2018 Update" was released today. The document is part of the Scientific Assessment of Ozone Depletion report issued by the World Meteorological Organization, the United Nations Environment Programme, NOAA, NASA, and the European Commission. Lead author is our own Prof Ross Salawitch. Co-authors include Laura A. McBride (UMD, Dept of CHEM) and Walter R. Tribett (UMD, Dept of AOSC).


Posted on August 29, 2019
AOSC Joins LinkedIn

Today AOSC has joined LinkedIn. Please take a moment and follow our page. If you are an alumni and have recently published or had a significant achievement please drop us an email ( We would be happy to promote the work our alumni are doing.

Posted on August 9, 2019
AOSC Ph.D. ’13 Grad Manisha Ganeshan on a career as a climate researcher
WITH a team of two women at its core, ISRO launched its lunar mission Chandrayan 2 on July 22, making India stand tall on the global space exploration map. And, it doesn't stop there. Indian women are now out for global domination as well. From Hollywood to NASA, our women are working everywhere and showing the world the best of us. One such woman is Manisha Ganeshan, a research scientist for Universities Space Research Association (USRA) at NASA's Goddard Space Flight Center.

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