Images

Swiftcurrent Glacier 2016 (port)

Invasive black and white tegu lizards (Salvator merianae). USGS is working on development of tools for the detection and capture of invasive reptiles in Florida.

Hikers in Glacier National Park use the new USGS ScienceCache geocaching mobile application. This scientific geocaching mobile application framework consists of a website and app to help engage geo-cachers, youth, and scientists in citizen science.

USGS employees and Flathead National Forest staff dig pits in the snow to examine snow structure and depth for avalanche research and forecasting in northwest Montana.

The Garden Wall weather station in Glacier National Park (elev. 7400 feet) is used for avalanche research and forecasting along the Going-to-the-Sun Road. It records air temperature, relative humidity, wind speed and direction, and incoming and outgoing shortwave and longwave radiation.

USGS staff ski to and from  the Garden Wall weather station in Glacier National Park (elev. 7400 feet) to complete maintenance and examine the snowpack for avalanche research.

Leaves changing color in autumn at the edge of a river in Grand Teton National Park, Wyoming (2016).

Grinnell Glacier Ridge 2016

USGS personnel maintaining weather station on Sperry Glacier in Glacier National Park

Greater Yellowstone Area ice patches, northwestern Wyoming

Danny Stahle catalogs a sample taken from a Whitebark Pine (Pinus albicalus) that died ~5,300 years before present as conditions cooled and the ice patch expanded. 

Lucas watches Danny Stahle catalog a sample taken froma long frozen Whitebark Pine (Pinus albicalus).

Danny Stahle assesses the preservation of Whitebark Pine melting out of an ice patch.

Field assistants prepare the trail and drilling location.

Craig Lee and a group of archeologist take a break and enjoy the scenery while standing over the coolers (white boxes) containing the ice core samples.

Danny Stahle, Rachel Reckin, and Sari Dersam prepare the trail and drilling location.

Mike Jayred, Nathan Challman, Rachel Reckin, and Danny Stahle work to lift an section of ice core from several meters deep in the ice patch.

Mike Jayred, Nathan Challman, Rachel Reckin, and Danny Stahle work to lift an section of ice core from several meters deep in the ice patch.

Mike Jayred, Nathan Challman, Rachel Reckin, and Danny Stahle work to lift an section of ice core from several meters deep in the ice patch.

Researchers retrieving ice cores from an ice patch located on the Beartooth Plateau, Wyoming. 

Mike Jayred cares the "Priaire Dog" Ice Drill to the coring location.