Welcome! We are located at Stony Brook University’s School of Marine and Atmospheric Sciences, which is about 60 miles to the east of New York City on  the north shore of Long Island. Current research foci include mechanistic studies and observations of atmospheric chemistry processes in the atmosphere as well as isotopic studies of trace gases in both present and past atmospheres. We use laboratory and field observations coupled to various computer models to help interpret our findings. We are often involved in field campaigns that may include various platforms, such as ships, planes, and observatories.  Summaries can be found under ‘Research Projects’.