USGS Multimedia Gallery: Items Related to Hydrology

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Total Results: 51

Near-Surface Gravity Survey
A USGS hydrologist prepares equipment to conduct a gravity survey to evaluate small variations in the earth's gravity field. The USGS Office of Groundwater Branch of Geophysics develops and tests new tools and field methods to support USGS analysis of groundwater flow systems....
Location: CA, USA

Continous Seismic Profiling
The USGS collaborated with cooperator U.S. Fish & Wildlife Service to conduct continuous seismic-reflection profiling in the Havasu National Wildlife Refuge. The survey was conducted as part of an applied research and technology transfer effort by the USGS Office of Groundwater Branch of Geophysics ...
Location: CA, USA

USGS Training on Borehole Geophysical Logging
A USGS hydrologist holds an electromagnetic induction borehole logging tool while the tool is calibrated. The hydrologist was participating in a USGS class on how to use electromagnetic induction geophysical methods for groundwater investigations, conducted by the USGS Office of Groundwater Branch o...
Location: FL, USA

Electromagnetic Survey
A USGS hydrologist conducts a near-surface electromagnetic induction survey to characterize the shallow earth. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics at Camp Rell, Connecticut, in 2008....
Location: Camp Rell, CT, USA

Solar-Powered Streamgage
Solar-powered streamage on Lackawaxen River, PA supports Lake Wallenpaupack hydropower facility....
Location: PA, USA

Field Trip to the Congo
USGS scientist John Shelton using high-tech hydroacoustic equipment to measure the depth and velocity of the Congo River. ...
Location: USA

USGS Scientist at Work
Brent Knights and Jon Vallazza conduct a river productivity study aboard the E.D. Cope, Upper Mississippi River System. ...
Location: MI, USA

Water level gauge
Looking west, a water level gauge amid budding spatterdock with impoundment #2b at Loxahatchee National Wildlife Refuge....
Location: FL, USA

Dikes separating impoundments
Looking northwest from the observation tower of Marsh Trail at Loxahatchee National Wildlife Refuge, dikes separate impoundments....
Location: FL, USA

Canal and Water Control Structure
Canal 59 in the foreground and Control Structure S-191, which controls water flow into Lake Okeechobee....
Location: FL, USA

Buoys and Birds
On the Lake Okeechobee side of Control Structure S-191, double-crested cormorants rest atop the buoys and wooden posts. Lake Okeechobee is seen to the right....
Location: FL, USA

St. Lucie Canal
Looking eastward from the middle of the Port Mayaca Dam, at the St. Lucie Canal, which connects to Lake Okeechobee....
Location: FL, USA

Boat Exiting Navigational Lock
With canal-side gates closed behind them and the Lake Okeechobee lakeside gates open before them, a boater slowly exits from the Port Mayaca Navigational Lock....
Location: FL, USA

Closing Lakeside Gates at Navigational Lock
U.S. Army Corps of Engineer personnel overlooks the closing of the lakeside gates at the Port Mayaca Navigational Lock. Lake Okeechobee is in the background....
Location: FL, USA

Canal and water control structure
Wider view of Canal 59 in the foreground and Control Structure S-191, which controls water flow into Lake Okeechobee....
Location: FL, USA

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