| Last additions - Images by photographer |

263 viewsThe Yukon River is marked by a road sign.
Image courtesy Andrew Slater, NSIDC.Jun 10, 2009
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185 viewsMatthew Sturm and Mark Serreze look at their equipment.
Image courtesy Andrew Slater, NSIDC.Jun 10, 2009
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288 viewsMark Serreze surveys the sea ice in Barrow, AK.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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277 viewsThe SnowNet team found polar bear tracks.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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98 viewsMark Serreze drills holes in the ice.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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114 viewsMatthew Sturm carves snow blocks in Barrow.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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459 viewsMatthew & Drew work on the tundra, Brooks Range, AK.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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258 viewsDrew Slater practices his lecturing skills.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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264 viewsSnow Guru Matthew Sturm poses atop Atigun Gorge.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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384 viewsResearchers head into the Brooks Range by snowmobile.
Image courtesy Mark Serreze, NSIDC.
Jun 10, 2009
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426 viewsMC Serreze stands atop Atigun Gorge.
Image courtesy Mark Serreze, NSIDC.Jun 10, 2009
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475 viewsThe snow pit looks deep when you're standing at the bottom.
Image courtesy Mark Serreze, NSIDC. Jun 10, 2009
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