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Matthew Sturm and Mark Serreze look at their equipment. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
The Yukon River is marked by a road sign. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists get out of their vehicles to check out Atigun Pass. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Dirt and grime has built up on a car wheel after driving on unpaved snowy roads. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
This view shows the SnowNet project research area in 2009. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mud-icicles can form while driving on unpaved snowy roads. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm and another scientist set up gear for the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
The sun sets in Toolik during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze try to remove the road grime off the snowmobiles so they can be used. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientist speeds off to the research site on snowmobiles. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Drew Slater poses in his powder blue parka, during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze poses during the 2009 SnowNet project in Alaska. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists take a much needed break during the 2009 SnowNet project. From left to right: Sveta Berezovskaya, Matthew Sturm, and Mark Serreze Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm and Steph Saari start digging at the SnowNet research site. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm and Mark Serreze set up magna-probes to measure snow depth. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Steph Saari from CRREL snowshoes with equipment. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze and Sveta Berezovskaya set up magna-probes during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Ptarmigans leave distinctive tracks in the snow. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze digs a snow pit during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze works in the field during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze rests after finally reaching the bottom of a snow pit. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm photographs snow layers in a snow pit during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze weighs snow during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze, Matthew Sturm, and another scientist look over some data. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Tom Douglas and Steph Saari work together to get a core sample. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Tom Douglas shows off the SIPRE corer, during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
These fluffy dendritic snow crystals were photographed during SnowNet 2009. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm examines a sample during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Tom Douglas remove a core sample. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Drew Slater shows the organic and frozen active layer in a permafrost core. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Equipment lined up in front of a long magna-probe line. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists ride a snowmobile. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists stand next to LIDAR rig. From left to right: Christopher Hiemstra, Matthew Sturm, and Art Gelvin Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm examines a sample. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Drew Slater poses in the powder blue parka that he was issued for the SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm can dig, analyze and book a snow pit in record time. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm scrapes to get a sample. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
The snow pit kit. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze snowshoes en route to a personal best of 3001 probe points. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Drew Slater conducts a near-IR photography session. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Researchers pulled the LIDAR rig on this SnowStar Sled. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
This LIDAR rig was used during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Art Gelvin works on equipment during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Toolik Field Station is marked by this brighly colored sign. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists stayed in this dorm during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Mark Serreze cruises on a snowmobile. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Toolik Field Station. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Toolik Camp sign. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Chris Hiemstra prepares to take a GPS measurement. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists stand ready to ride away on snowmobiles. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm and Art Gelvin remove equipment from the SnowStar. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm hangs out on a hillside in Atigun Gorge. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Snowmobiles wait at the bottom of a hill. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Christopher Hiemstra photographs some data. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm poses on a frozen lake during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists hike the side of the Atigun Gorge. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm looks out over the Atigun Gorge. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientist rejoices at the top of Atigun Gorge. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm rides a snowmobile. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Christopher Hiemstra hikes on Atigun Gorge. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm rides off on a snowmobile. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Caribou pass by on frozen tundra. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
A group of researchers take a hike during the 2009 SnowNet project, Alaska. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm and Christopher Hiemstra pose during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Drew Slater hikes during the 2009 snownet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Christopher Hiemstra checks out a shed. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
From left to rightArt Gelvin - CRRELMatthew Sturm - CRREL (Team Lead)Sveta Berezovskaya - WERC, Univ. Alaska @ Fairbanks (UAF)Christopher Hiemstra - CIRA, Colorado State Univ Image courtesy Andrew Slater, NSIDC. (View photo detail.)
From left to right: Christopher Hiemstra, Mark Serreze, Sveta Berezovskaya, and Art Gelvin Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm carefully examines the area and collects data. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Team Magna-Probe. From left to right: Art Gelvin - CRREL; Matthew Sturm - CRREL (Team Lead); Sveta Berezovskaya - WERC, Univ. Alaska @ Fairbanks (UAF); Christopher Hiemstra - CIRA, Colorado State Univ Image courtesy Andrew Slater, NSIDC. (View photo detail.)
From left to right: Matthew Sturm, Sveta Berezovskaya, Art Gelvin, and Christopher Hiemstra Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew and Sveta make a probe strategy. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Magna-probe equipment awaits use during the 2009 SnowNet project. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew discusses sublimation & evaporation with Christopher. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Drew Slater gets ready to conduct magna-probe measurements. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Scientists pack up the gear for the night. From left to right: Art Gelvin, Matthew Sturm, Sveta Berezovskaya, and Christopher Hiemstra Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Matthew Sturm watches Sveta Berezovskaya and Christopher Hiemstra pack up the gear (Names are in order from left to right) Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Sveta Berezovskaya drives through the Arctic. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
There are very few towns and service stations along the Dalton Highway in Alaska. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Much of northern Alaska is covered in boreal forest and tundra. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
The Alaska pipeline transports crude oil from the North Slope of Alaska to Valdez. Image courtesy Andrew Slater, NSIDC. (View photo detail.)
Image courtesy Andrew Slater, NSIDC. (View photo detail.)
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