As part of research on Arctic wildfires, Merritt Turetsky inspects a long soil core at a field site in the Northwest Territories, Canada.
INSTAAR researcher Chad Wolak prepares NOAA air samples for carbon-14 measurement. Photo by Scott Lehman.
Students Jackie Romero and Rachel Feist collect data in the field during a related research project. Photo courtesy of Holly Barnard.
Photo by Bishnu Sarangi via Pixabay.