Images

Ryan collects water chemistry samples during a subsurface tracer experiment while Matt observes.

Matt and Josh Koch preparing for a subsurface tracer test on the West Twin Creek hillslope.

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

A scientist and the helicopter pilot work together to install geophysical instrumentation in a remote region west of the Neacola Mountains, south-central Alaska. An array of cables were buried in shallow trenches for up to 48 hours to measure the electrical conductivity of the bedrock at that location.

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

Young Arctic Warbler with a band, Seward Peninsula, Alaska.  

Fledgling Arctic Warbler 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.

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

R/V Alaskan Gyre in Prince William Sound, Alaska

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.

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.