Multimedia Gallery

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Well head of Sourdough oil discovery on Alaska state lease less than one mile west of 1002 Area showing minimal disturbance of permafrost polygons.

Geologists examine oil-saturated sand (unconsolidated), sandstone (dark orange-brown rocks), and concretions (light orange rocks) along the Jago River in the 1002 Area, about 18 miles southeast of Kaktovik.

Oil-saturated Miocene or younger sandstone in the Sagavanirktok Formation exposed at Angun Point on the coast of the Arctic Ocean, northeastern 1002 Area.

Oil-saturated Miocene or younger sandstone in the Sagavanirktok Formation exposed at Angun Point on the coast of the Arctic Ocean, northeastern 1002 Area.

Closeup view of oil-saturated Oligocene sandstone in the Sagavanirktok Formation exposed on Marsh Creek anticline near Katakturuk River in western 1002 Area. Weathered surface is light gray and freshly broken surface is brown.

Geologists examine oil-saturated Oligocene sandstone in the Sagavanirktok Formation exposed on Marsh Creek anticline near Katakturuk River in western 1002 Area. Weathered surfaces are light gray and freshly broken surfaces are brown.

View to the northeast from near the eastern boundary of the 1002 Area west of the Aichilik River.

Northward view from southeastern corner of 1002 Area near Okerokorik River showing gently rolling topography typical of the southern coastal plain.

Eastward view from east-central 1002 Area near the Jago River. Northeastern Brooks Range visible in distance at right.

View to the northeast from east-central 1002 Area near the Jago River.

Northward view towards Kaktovik from southeastern 1002 Area. Location is along Sabbath Creek, a tributary of the Jago River.

Northward view in central 1002 area near the Sadlerochit River showing gently rolling topography typical of the southern coastal plain and meandering creek.

Northward view in central 1002 area near the Sadlerochit River showing gently rolling topography typical of the southern coastal plain.

Northward view towards Camden Bay from west-central 1002 Area near the Katakturuk River. Patterns in foreground are permafrost polygons.

View to the northeast towards Camden Bay from west-central 1002 Area. The tundra and lakes in this area displays a variety of patterns caused by permafrost.

View to northeast from western Sadlerochit Mountains near the Tamayariak River. This gently rolling topography is typical of the southern coastal plain.

Northward view in western 1002 area with ice in Camden Bay in distance. North sloping, tundra-covered surface is typical of coastal plain.

Northward view to coast of Canning River Delta with thin barrier island and ice pack beyond.

Southward view of tundra surface and lakes on Canning River Delta near northwestern corner of 1002 Area.

View to the southeast from near the Canning River Delta. Visible in foreground are permafrost polygons cut by caribou trails.

View to northeast from southwestern 1002 Area with ice in Camden Bay in distance. In foreground, red-weathering rocks are Hue Shale (oil-prone source rock with is present throughout 1002 Area) and dark gray rocks are Kemik Sandstone (lateral equivalent to Thomson sandstone, main reservoir in Pt. Thomson field).

View South from Wolverine Glacier

 Melting snow near Miles City created measurable flow in Reservation Creek. This site is only visited when there are high flows,

USGS scientists and technicians took water measurements during flooding on the Big Sioux River near Hawarden, Iowa in March 2019.

USGS scientists and technicians took water measurements during flooding on the Big Sioux River near Jefferson, SD in March 2019. Measurements for this site were 52,000 cfs at a gage height of 40.14 ft. More information about this USGS streamgage is available at https://waterdata.usgs.gov/sd/nwis/uv?site_no=

USGS technician Chris Broz helps take water measurements on the Big Sioux River during record flooding in March, 2019.

USGS technician Chris Broz helps take water measurements on the Big Sioux River during record flooding in March, 2019.

Blended photo of a wind and solar energy facilities.

An integrated camera and scooter system is ready to deploy in Lake Ontario. The camera is used to record circular transects.

This SCUBA diver is using a camera integrated with a scooter running a circular transect. The white line attached to the scooter is also attached to a pivot point at the center of the sample area.

Sean Stewart and Brendan Hallmark making repairs at the Green Island streamgage  (01358000) on the Hudson River. Photo by Travis Smith (Public Domain)

You may know that groundwater serves many purposes worldwide. Of course, drinking water and domestic uses of water are a major component of those uses. The ways of getting at groundwater differ depending on the local underground conditions. Water may be plentiful just 10 feet below the land surface, or a deep well might have to be drilled many hundreds of feet to get at

Adaptive Management Forum Brochure.This conference was held at the University of California, Davis on February 5-6, 2019.

Who's who?  These are print casts of front and back paw prints of a grizzly bear (top) and black bear (bottom). The casts on the right are the front paws of each species; the casts on the left are the back.  How do you tell? 

Grizzly/brown bear toes are closer together and form a fairly straight line above the paw pad. On a black bear, the toes are further apart and

Flood water pouring down the Cumberland River in Kentucky.

Bobby Joe Monhollen and Matt Hinkle preparing to make an ADCP measurement on the Cumberland River.

Bobby Joe Monhollen and Matt Hinkle preparing to make an ADCP measurement on the Cumberland River. Record high water levels were experienced at Lake Cumberland.

Matthew Jennings and Andrew Kowalczk breaking ice on the boat ramp before retrieving the Harmful Algal Bloom Data Collection Platform moored in Seneca Lake, NY.

After Hurricane Michael obliterated Fish Inn, the sea turtle research team's field station, team members salvaged some of the building's floor tiles and made this sea turtle mosaic, which they plan to eventually install in a new field station.

USGS Hydrologic Technician Chris Broz attempting to find flow at the Rush River at Amenia, ND (USGS streamgage 05060500).  It took the technicians an hour to dig through the snow drift under the wire weight gage just to get to the ice. Then they drilled holes in the ice so they could see if there was any water to measure. 

Mohawk River at Lock 9 at Rotterdam Junction, NY

On February 8, 2019, USGS hydrologic technicians Joel Petersen and Sarah Davis measured a streamflow of 368 cubic feet per second at the Belle Fourche River near Elm Springs (USGS streamgage 06438000). Because of the depth of the ice, at times staff needed to lay flat on the snow and ice to ensure the equipment reaches to the stream bed.  And because of the extreme cold

USGS hydrologist Erich Kessler prepares to measure the stream stage (the height of the water surface) of the Middle Fork Crow River near Spice, Minnestota.

USGS EROS contractor Minsu Kim, left, and USGS Scientist Jeffrey Danielson stand with a GPS device in northern Idaho, where they were part of a research project to conduct topobathymetric research along the Kootenai River of northern Idaho.