A reptilian audience watches as a discharge measurement is made.
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Explore water-related photography, imagery, and illustrations.
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Dangerous Cross Section
A reptilian audience watches as a discharge measurement is made.
Preparing to Measure Flow
Scientists set up to measure flow from a mangrove forest.
Scientists set up to measure flow from a mangrove forest.
Measuring a Cross-Sectional Creek Profile
Scientist measures the profile of a tidal creek at low tide. Note main Shark River off to the right side of photo.
Scientist measures the profile of a tidal creek at low tide. Note main Shark River off to the right side of photo.
Scientist Sampling Water in the Great Basin
Adelaide Baker returns from sampling water at Harney Lake, a shallow alkali lake, in Malheur National Wildlife Refuge.
Adelaide Baker returns from sampling water at Harney Lake, a shallow alkali lake, in Malheur National Wildlife Refuge.
Lower Columbia River Tour
USGS Provides a tour of the research vessel and the lower Columbia River to Deputy Assistant Secretary Deanna Archuleta discussing the lower Columbia River estuary water quality and aquatic health.
USGS Provides a tour of the research vessel and the lower Columbia River to Deputy Assistant Secretary Deanna Archuleta discussing the lower Columbia River estuary water quality and aquatic health.
Research Vessel Tour
A lower Columbia River estuary tour on a USGS research vessel with NWA Deputy REx and WFRC Director.
A lower Columbia River estuary tour on a USGS research vessel with NWA Deputy REx and WFRC Director.
The Start of the Elwha Dam Removal
Guests arrive at the Elwha Dam for the ceremony commemorating the official start of the dam decommissioning and river restoration project on the Elwha River in Washington state.
Guests arrive at the Elwha Dam for the ceremony commemorating the official start of the dam decommissioning and river restoration project on the Elwha River in Washington state.
Mameyes River Flood
The Mameyes River in flood. Eastern Puerto Rico.
The Mameyes River in flood. Eastern Puerto Rico.
A hydrologic technician measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho.
A hydrologic technician measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho.A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.
A hydrologic technician measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho.
A hydrologic technician measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho.A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.
USGS staff verify measurments taken on the San Saba River in Texas
USGS staff verify measurments taken on the San Saba River in TexasUSGS staff checking the streamgage equipment on the San Saba River in Texas.
USGS staff verify measurments taken on the San Saba River in Texas
USGS staff verify measurments taken on the San Saba River in TexasUSGS staff checking the streamgage equipment on the San Saba River in Texas.
USGS Scientist at Work
Brent Knights and Jon Vallazza conduct a river productivity study aboard the E.D. Cope, Upper Mississippi River System.
Brent Knights and Jon Vallazza conduct a river productivity study aboard the E.D. Cope, Upper Mississippi River System.
Geo-locating a Well
GPS unit on well head at a private drinking water well.
GPS unit on well head at a private drinking water well.
Determining Alkalinity of a Sample in the Field
Alk titration in the field as part of NAWQA studies.
Alk titration in the field as part of NAWQA studies.
Potomac River
Stream flowing into the Potomac River in Whites Ferry, Virginia.
Stream flowing into the Potomac River in Whites Ferry, Virginia.
Ash Falls
Ash Falls on the Niobrara River showcases the Niobrara's uniqueness. Photo was taken to capture falls' legacy.
Ash Falls on the Niobrara River showcases the Niobrara's uniqueness. Photo was taken to capture falls' legacy.
Spiny Dogfish Catch
USGS employee Lisa Gee holds a spiny dogfish that she caught while hook and line sampling.
USGS employee Lisa Gee holds a spiny dogfish that she caught while hook and line sampling.
Grand Forks Flooding
2009 Red River flooding in Grand Forks, North Dakota
2009 Red River flooding in Grand Forks, North Dakota
What's in My Water?
This cyanobacteria has radiating filaments and basal heterocysts. Green is DNA stain.
This cyanobacteria has radiating filaments and basal heterocysts. Green is DNA stain.
USGS Oceanographer Named to IPCC Report
Asbury (Abby) H. Sallenger has been named one of the authors of a chapter in the next IPCC report, due to be published in 2014. Sallenger has been assigned to co-author Chapter 5 of the Fifth Assessment Report, entitled Coastal Systems and Low-Lying Areas.
Asbury (Abby) H. Sallenger has been named one of the authors of a chapter in the next IPCC report, due to be published in 2014. Sallenger has been assigned to co-author Chapter 5 of the Fifth Assessment Report, entitled Coastal Systems and Low-Lying Areas.
USGS Geographer Named to IPCC Report
Margaret Hiza Redsteer has been named one of the lead authors of a chapter in the next IPCC report, due to be published in 2014. Hiza Redsteer has been assigned as a lead author of Chapter 15 of the Fifth Assessment Report, entitled Adaption, Planning, and Implementation.
Margaret Hiza Redsteer has been named one of the lead authors of a chapter in the next IPCC report, due to be published in 2014. Hiza Redsteer has been assigned as a lead author of Chapter 15 of the Fifth Assessment Report, entitled Adaption, Planning, and Implementation.
Stream in Great Smoky Mountains National Park
Stream in Great Smoky Mountains National Park.
Stream in Great Smoky Mountains National Park.