Biocomplexity workshop participants at Happy Valley

Vlad Romanovsky and instruments for monitoring permafrost

Hobo thermister

Happy Valley

Mound in tussock tundra (Happy Valley)

Ice lens

Frost boil between tussocks (Happy Valley)

Moist non-acidic tundra near Sagwon

Frost boil releve, Sagwon non-acidic tundra

Franklin Bluffs grid

Frost boil releve (Franklin Bluffs)

Gary Michaelson and wet frost boil at Franklin Bluffs

“Cottage cheese” soil on frost boil

Frost boil releve, Deadhorse