R. Greg Vaughan is a research scientist with the U.S. Geological Survey. Originally from Charlottesville, Virginia, Vaughan received a bachelor's degree in geology from Virginia Tech and then went to graduate school at the University of Georgia. He started his career with the USGS in 2008 as a Mendenhall postdoc, studying hydrothermal activity in Yellowstone using satellite thermal infrared data. He is the remote sensing team lead for the Yellowstone Volcano Observatory and works closely with the National Park Service to use a combination of aerospace remote sensing observations and field work to map, measure and monitor Yellowstone’s dynamic thermal areas.
Thermal infrared satellite images are an important volcano monitoring tool that can be used to estimate surface temperature. And, in fact, these data are freely available for Yellowstone National Park and many other volcanoes worldwide. But interpreting these images is not as straightforward as it might seem — what shows up as either hot or […]