Images

Recent tundra fire scar, Noatak National Preserve.

Ancient shorelines, Cape Krusenstern National Monument.

Recovered river meanders along Kobuk River, Kobuk Valley National Park.  Dominant ecotypes include Riverine Water, Riverine Loamy Moist Alder or Willow Tall Shrub, Riverine Gravelly-loamy Moist Circumalkaline White Spruce-Willow Forest, and Riverine Loamy Wet Circumacidic Wet Sedge Meadow. 

South shore, Walker Lake, Gates of the Arctic National Park and Preserve.  Dominant ecotypes include Upland Moist Dwarf Birch-Ericaceous-Willow Low Shrub, Upland Rocky-loamy Moist Circumacidic Alder-Willow Tall Shrub, and Upland Loamy Moist Circumalkaline Willow Low Shrub. 

Flooded thermokarst area with high escarpment, Bering Land Bridge National Preserve, Seward Peninsula.

Coastal river sand bar, Bering Land Bridge National Preserve, Seward Peninsula.  Dominant ecotypes include Coastal Barrens, Coastal Loamy Wet Brackish Sedge-Grass Meadow, and Lowland Moist Sedge-Dryas Meadow. 

Thermokarst lake and river meanders, Seward Peninsula.  Dominant ecotypes include Lowland Lake, Lowland Organic-rich Wet Circumacidic Willow Low Shrub, Upland Organic-rich Moist Acidic Dwarf Birch-Tussock Shrub, and Upland Rocky-Loamy Moist Alkaline Sedge-Dryas Meadow. 

A closer view of Mayumi Arimitsu and Sarah Schoen setting a small purse seine from an inflatable boat in Prince William Sound

A beach seine is being pulled in to the boat. This net is being used as a purse seine in an experiment to see if it can be used to capture Pacific sand lance.

A beach seine is being pulled farther in to the boat. This net is being used as a purse seine in an experiment to see if it can be used to capture Pacific sand lance.

Thermokarst lake, Seward Peninsula.

Sea ice in the Chukchi Sea in 2013.

Scientists preparing the CTD for deployment for habitat sampling

Pacific walrus resting on ice in the Chukchi Sea, Alaska. This field work was part a satellite tagging expedition in the northwest Chukchi Sea to understand movement patterns, foraging behaviors of walruses and important summering habitats.

An arctic fox on the tundra of the north slope of Alaska near a field camp of the Alaska Science Center.

A view of the inflatable boat rack on the back of the R/V Alaskan Gyre

Arctic fox depredates a nesting female white-fronted goose.  Arctic Coastal Plain of Alaska, USA.

Semipalmated Sandpiper on the Arctic Coastal Plain, Alaska.

A waterfall flowing into Exit Creek

Exit Creek in front of some mountains

This image also provides a clear view of the Juneau Icefield. Several glaciers flow from this icefield, and glaciologists are using the 42-year Landsat archive to monitor the advance and retreat of the glaciers over time.