Images

Storm surge sensor installation prior to Hurricane Irene landfall

Water samples using a CTD rosette were taken down to  4,600m in the Canadian Basin in order to investigate ocean acidification.  The water was analyzed shipboard for pH using a spectrophotometer.

Water samples using a CTD rosette were taken down to  4,600m in the Canadian Basin in order to investigate ocean acidification.  Water samples were collected from each of the bottles and analyzed shipboard.

Water samples using a CTD rosette were taken down to  4,600m in the Canadian Basin in order to investigate ocean acidification.  The water was analyzed shipboard for pH using a spectrophotometer.

Water samples using a CTD rosette were taken down to  4,600m in the Canadian Basin in order to investigate ocean acidification.  The water was analyzed shipboard for pH using a spectrophotometer.

USGS employee Ben Beal conducts stream discharge and velocity measurements at USGS gage 10297010 Topaz Canal below Topaz Lake near Topaz, CA .

These are baydzherakhs that form when Pleistocene-aged ice wedges thaw and leave behind a mound of unfrozen soil that is easily susceptible to decomposition. This sediment has not thawed for at least 40,000 years.

Sampling surface waters on Lake Michigan using a Kemmerer Water Sampler

Electrofishing from a boat, Big Cypress Creek, Texas, July 27, 2011. Photograph taken by Justin A. McInnis, U.S. Geological Survey.

SIR 2013–5058

Cypress tree near Big Cypress Creek, Texas, July 27, 2011. Photograph taken by James B. Moring, U.S. Geological Survey.

SIR 2013–5058

Electrofishing from a barge, Big Cypress Creek, Texas, July 27, 2011. Photograph taken by Erin C. Sewell, U.S. Geological Survey.

SIR 2013–5058

Cypress knees, Big Cypress Creek, Texas, July 27, 2011. Photograph taken by James B. Moring, U.S. Geological Survey.

SIR 2013–5058

Measuring physical characteristics, Big Cypress Creek, Texas, July 26, 2011. Photograph taken by James B. Moring, U.S. Geological Survey.

SIR 2013–5058

Colorado River, and Roaring Fork River confluence, Glenwood Springs, Garfield County, Colorado 1 by Alan Cressler

Neversink River near Claryville, New York below Halls Mills Covered Bridge 

Halley Kimball (left) and Chris Magirl of USGS conduct a bathymetric survey of the Cedar River in western Washington.

Location: King County, WA, USA

The Souris River near Foxholm, North Dakota. USGS personnel were there to measure the streamflow. Streamflow was approximately 16,900 cubic feet per second.

USGS hydrographer Jerrod Wheeler (in cablecar) measures flood flows right before the gagehouse washes away.

06225500 Wind River near Crowheart, WY: Jul 01 2011; 13,900 ft3/s

High floodwaters partially submerge a USGS streamgaging station in Slater Fork, CO.

The Souris River near Foxholm, North Dakota. USGS personnel were there to measure the streamflow. Streamflow was approximately 18,600 cubic feet per second.

Souris River flooding many homes in Minot, ND. The Souris River went over the large dikes along 5th Ave and Edwards Ave in Minot, ND.

Photo taken by USGS personnel during a FEMA Flood Inundation Mapping Project.