Welcome to the Pratt Lab blog! Dr. Kerri Pratt is an assistant professor in the Departments of Chemistry and Earth & Environmental Sciences and faculty associate of the Program in the Environment at the University of Michigan. We study the chemical interactions of atmospheric trace gases, particles, clouds, and snow, with a focus on the Polar Regions and wintertime environments. Our interdisciplinary research has relevance to climate change, air quality, and human health. As an analytical chemistry lab, we primarily apply novel mass spectrometry techniques to our field research. We invite you to follow our adventures in (and outside!) the lab!

Monday, August 19, 2013

Lab Field Trip to the University of Michigan Biological Station

The Pratt Lab embarked from Ann Arbor, MI on our adventure to the University of Michigan Biological Station (UMBS), near Pellston, MI, with the Ault Lab on last Thursday morning. A four hour drive later, we were all up in beautiful northern Michigan!
Douglas Lake, located on the UMBS property
The University of Michigan Biological Station (UMBS) is a unique research facility located in northern Michigan. The university acquired the land over 100 years ago and have since used it for many different kinds of research including ecological, atmospheric, and geological research. The multidisciplinary community found at the Biological Station allows many different kinds of scientists to collaborate. It is also home to two atmospheric research towers: PROPHET (Program for Research on Oxidants: PHotochemistry, Emissions, and Transport) and AmeriFlux.  The unique interdisciplinary community, as well as the presence of the towers, makes UMBS a great place for the Pratt Group to conduct atmospheric research in the field.

After a fantastic tour of the station with UMBS Director Prof. Knute Nadelhoffer (Thank you!) when we first arrived, we were able to see AmeriFlux tower facility, which is used to study carbon dioxide and water movement within the forest ecosystem.
AmeriFlux Tower
We were then able to see the top portion of the canopy by taking a ride on a Michigan-themed cherry picker with Ecology and Evolutionary Biology Ph.D. student Susan (Thank you!), who was up at UMBS for the summer studying light penetration in the forest canopy.
From left: Rosina Ho Wu, Jillian Cellini, Eric Boone, Matt Gunsch, Dan Gardner (Ault Lab), Dr. Ault, Dr. Pratt, and Amy Bondy (Ault Lab) in the UMBS forest
Graduate student Matt Gunsch taking a ride on the cherry picker
The next morning after breakfast, we all took a nature hike through an area through "the gorge", located on the UMBS property.
Beaver dam we found on our nature hike
Front view of the beaver dam
After our short nature-filled excursion, we were able to visit (and climb!) the PROPHET tower with Prof. Mary Anne Carroll (Thank you!). The PROPHET research facility has focused on biogenic hydrocarbon emissions from the forest ecosystem and their oxidation in the atmosphere. The PROPHET tower is located in a well characterized part of a mixed coniferous/deciduous forest.
Amy Bondy (Ault Lab), Matt Gunsch, and Eric Boone before the climb up the PROPHET tower
Rosina Ho Wu, Jillian Cellini, and Dan Gardner (Ault Lab) climbing up the PROPHET tower
View from the top of the PROPHET tower
Rosina Ho Wu after scaling the PROPHET tower
Jillian Cellini after climbing the PROPHET tower
Sign outside PROPHET research facility
After touring the PROPHET facility and having one last meal in the UMBS cafeteria, the Pratt and Ault labs departed for Ann Arbor after a very productive two days at the Biological Station.  We look forward to coming back for field research!

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