Images

A Common Murre swimming in the waters of Prince William Sound, Alaska.

Large storm surges in the Yukon-Kuskokwim Delta, AK lead to increased erosion and sedimentation of coastal waterways

USGS scientist Beth Burton and helicopter pilot Drew Rose install geophysical equipment northwest of Lake Clark National Park, Alaska

Fledgling Arctic Warbler on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystems Boreal-Arctic Transition Zone program.

USGS geologist Erin Todd examines granitic rocks in outcrop before collecting samples for geochemistry and geochronology in Lake Clark National Park, Alaska. 

R/V Alaskan Gyre in Prince William Sound, Alaska

Pulling in the mid-water trawl from the R/V Alaskan Gyre

Identifying and sorting clams by species. This sample came from benthic trawls on the Norseman II.

Field camp in the Yukon-Kuskokwim Delta, western AK, where USGS and other ecologists monitor impacts of climate changes, erosion, sedimentation, and flooding on coastal ecosystems

Panoramic view of entrance to Chakachamma Lake (near Lake Clark, Alaska).

Pacific walrus hauled out on sea ice in the Chukchi Sea.

An Alaska Native village on the Yukon-Kuskokwim Delta, western AK

Male Arctic Warbler singing on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

Carol Damberg (USFWS) conducting survey of eelgrass (Zostera marina) in Izembek Lagoon, Alaska, 2015.

USGS scientists Erin Todd and Jonathan Caine wait for a helicopter pickup at a geologic mapping and sampling station high in the Neacola Mountains, Alaska.

USGS researcher Jonathan Caine measures vein orientation at an outcrop of late Cretaceous pluton in Lake Clark National Park.

Cross-cutting relationships of at least 4 different phases of rock and high-temperature silicate fluids in a sample from the Lake Clark area.

American Tree Sparrow in low to medium shrub thicket habitat.  This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

A Red-throated Loon swimming in a small lake on the Colville River Delta.

Biologists sorting through buckets of benthic invertebrates looking for bivalves onboard the Norseman II in the Chukchi Sea.

Helicopter arriving to pick up geologists after retrieving geophysical equipment from the flanks of Redoubt Volcano, Alaska, July 2015