Keywords: nps usgs glacier national park glaciernationalpark national park nationalpark national park service nationalparkservice global warming globalwarming climate change climatechange climate glacier glaciers repeat photography repeatphotography science research outdoor landscape snow Recording data on the terminus of the glaciers found in Glacier National Park is a critical component of understanding the impacts of global climate change on the park. These scientists are using GPS units to record precise locations of the edges of Grinnell Glacier. USGS Photo. Recording data on the terminus of the glaciers found in Glacier National Park is a critical component of understanding the impacts of global climate change on the park. These scientists are using GPS units to record precise locations of the edges of Grinnell Glacier. USGS Photo. |