Images

Bald Cypress trees are iconic symbols of wetlands, but their distribution and range may be vulnerable to climate change impacts.

Fireweed after fire in Alaska

Block of Ice on Vitus Lake, from Bering Glacier, Alaska

Calm Lake Michigan morning while sampling dead and dying fish for viral hemorrhagic septicemia virus (VHSV). This virus has recently emerged in the Great Lakes and caused severe epidemics in many fish species.

Quinault tribal netpen facility in Lake Quinault, for rearing steelhead trout and chinook salmon

Foothills of the Front Range, Denver, CO

This photograph is of Canadian Coast Guard ship Louis S. St. Laurent alongside U.S. Coast Guard Cutter Healy in the Arctic Ocean. The U.S. and Canada are mapping the Arctic seafloor and gathering data to help define the outer limits of the continental shelf.

This image is of two polar bears cuddled together on a piece of Arctic sea ice, surrounded by ocean water and thin layers of sea ice. This image allows for a deeper understanding of the endangered species and highlights the need for USGS research to help in their protection.

This photograph is of U.S. Coast Guard Cutter Healy in the Arctic Ocean, where USGS scientists are helping map the Arctic seafloor and gather data to help define the outer limits of the continental shelf. The U.S. and Canada are working together in this mission, and the U.S. effort is through the U.S.

A scientist creates a quality control sample for a study of MTBE, (methyl tert-butyl ether) a fuel oxygenate used in gasoline.

Picture taken while climbing Mt. Hood, Oregon, at sunset looking east.

The North face of Middle Sister and Hayden Glacier, in Three Sisters Wilderness, Deschutes National Forest, Oregon. This Picture was taken while climbing Middle Sister. Middle Sister is also known as "Hope" and is an extinct stratovolcano.

Establishing a release site for salmonids implanted with radio transmitters. Behavior and movement of salmon are monitored as they migrate through the Toutle River.

Sunrise on the North Platte River at Broadwater, Nebraska. Looking downstream from Hwy 92 bridge. January 2007.

Retreating glacier south of Mt. Pendleton in Denali National Park, Alaska, with runoff from glacial melt seen in the foreground.

2009 Red River flooding in Grand Forks, North Dakota

Camps Bay, South Africa

Bear in apple tree in Shenandoah National Park, Virginia. Taken during field work.

A mosaic of the surface of Mercury made from hundreds of images taken by the MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) spacecraft.

Block of ice on Vitus Lake, from Bering Glacier, Alaska

USGS biologist Randy Bennett and volunteers sample a stream using electro-fishing gear.