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Kullenberg coring platform from the University of Minnesota-Twin Cities Continental Scientific Drilling facility used to collect long (up to 12 m, or 40 feet) sediment cores from Yellowstone Lake. Photo taken in September 2016 by Lisa Morgan.
Kullenberg coring platform from the University of Minnesota-Twin Cities Continental Scientific Drilling facility used to collect long (up to 12 m, or 40 feet) sediment cores from Yellowstone Lake. Photo taken in September 2016 by Lisa Morgan.
Cut polycarbonate sections of sediment core collected from core YL16-3A from the Deep Hole, the deepest part of Yellowstone Lake at about 119 m (390 feet) depth, southeast of Stevenson Island. Photo taken in September 2016 by Lisa Morgan.
Cut polycarbonate sections of sediment core collected from core YL16-3A from the Deep Hole, the deepest part of Yellowstone Lake at about 119 m (390 feet) depth, southeast of Stevenson Island. Photo taken in September 2016 by Lisa Morgan.
Danny Stahle assesses the preservation of Whitebark Pine melting out of an ice patch.
Danny Stahle assesses the preservation of Whitebark Pine melting out of an ice patch.
Lucas watches Danny Stahle catalog a sample taken froma long frozen Whitebark Pine (Pinus albicalus).
Lucas watches Danny Stahle catalog a sample taken froma long frozen Whitebark Pine (Pinus albicalus).
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.
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.
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.
Field assistants prepare the trail and drilling location.
Field assistants prepare the trail and drilling location.
Danny Stahle, Rachel Reckin, and Sari Dersam prepare the trail and drilling location.
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.
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.
Researchers retrieving ice cores from an ice patch located on the Beartooth Plateau, Wyoming.
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.
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.
Nathan Chellman, Mike Jayred and Lucas (Dog) stage equipment on the drilling platform.
Nathan Chellman, Mike Jayred and Lucas (Dog) stage equipment on the drilling platform.
Mike Jayred runs the drill while Greg Pederson stabilizies the outer barrel. Craig Lee and Danny Stahle wait to assist with extraction of the first meter of ice.
Mike Jayred runs the drill while Greg Pederson stabilizies the outer barrel. Craig Lee and Danny Stahle wait to assist with extraction of the first meter of ice.
Mike Jayred runs the drill while Greg Pederson stabilizies the outer barrel. Craig Lee and Danny Stahle wait to assist with extraction of the first meter of ice.
Mike Jayred runs the drill while Greg Pederson stabilizies the outer barrel. Craig Lee and Danny Stahle wait to assist with extraction of the first meter of ice.
Craig Lee holds the ice drill with the end of the first ice core segment exposed. The sample will next be measured, logged, and processed in the field.
Craig Lee holds the ice drill with the end of the first ice core segment exposed. The sample will next be measured, logged, and processed in the field.
Mike Jayred cares the "Priaire Dog" Ice Drill to the coring location.
Mike Jayred cares the "Priaire Dog" Ice Drill to the coring location.
Mike Jayred and Nathan Chellman work to level the ice drill to begin taking the core. Craig Lee stabilizes the platform.
Mike Jayred and Nathan Chellman work to level the ice drill to begin taking the core. Craig Lee stabilizes the platform.
An ancient ice patch located in the northeastern corner of the Greater Yellowstone Ecosystem.
An ancient ice patch located in the northeastern corner of the Greater Yellowstone Ecosystem.
Craig Lee and Mike Jayred scout a potential drilling location for extracting an ice core.
Craig Lee and Mike Jayred scout a potential drilling location for extracting an ice core.
An ancient ice patch located in the northeastern corner of the Greater Yellowstone Ecosystem
An ancient ice patch located in the northeastern corner of the Greater Yellowstone Ecosystem