USGS Multimedia Gallery: Scientific Research Photo Set

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Total Results: 73

Working in the Winter
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Location: Decatur, NE, USA

How Much Water is Available?
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Location:

Electronics shelter on Flood-Alert Instrument Tower
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Location: Coronado National Memorial, AZ, USA

Rain Gage, Montezuma Pass, AZ
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Location: Montezuma Pass, AZ, USA

Flood-Alert Instrument Tower
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Location: Montezuma Canyon, AZ, USA

Example Image from an Underwater Microscope
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Location:

Underwater Microscope
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Location:

Sampling at the End of the Rainbow
Surface-water dissolved iron sampling from a ship, while underway, through Teflon-lined tubing secured to a rope, towed from one meter below the surface, using a continuously pumping system....
Location: Cordova, AK, USA

Instrumentation Array, Beaver Creek Above Victoria Creek, Alaska
Instrumentation array with a YSI multiparameter sonde, a dissolved CO2 sensor, and a CDOM sensor....
Location: Beaver Creek, AK, USA

Instrumentation Array, Beaver Creek Near Michael Lake, Alaska
Instrumentation array with a YSI multiparameter sonde, a dissolved CO2 sensor, and a CDOM sensor....
Location: Beaver Creek, AK, USA

Sampling at Ice Out
Rob Spencer, UCDavis Professor and USGS Volunteer collecting a water quality sample with a custom-made "pole sampler" during ice out....
Location: Pilot Station, AK, USA

USGS Technician Collects Water Sample at a Weir
A USGS technician collects a water sample at the Faka Union Canal Weir #1, Collier County, Florida. The sample was used to help determine the source of the warm water responsible for the site's popularity among manatees as a warm water refuge....
Location: Faka Union Canal, FL, USA

Faka Union Canal Weir #1, Collier County, Florida
The Faka Union Canal Weir #1 (Collier County, Florida) helps create a downstream hydrological haven for manatees. During the cold winter months, the right flow conditions can maintain a salinity gradient known as a halocline that traps warm water near the bottom of the residential canals at Port of ...
Location: Faka Union Canal, FL, USA

Flow Over Faka Union Canal Weir #1
Freshwater flowing over the Faka Union Canal Weir #1 near Port of the Islands, Collier County, Florida. During cold weather, freshwater flows here can maintain a downstream salinity gradient that creates a warm water refuge for manatees. ...
Location: Faka Union Canal, FL, USA

USGS Technician Constructing Monitoring Station
A USGS technician finishes construction on a monitoring station used to monitor surface salinity and temperature below Faka Union Canal Weir #1, Florida. By measuring hydrologic conditions here, researchers found that freshwater flow rates help maintain warm water pockets in downstream areas of the ...
Location: Faka Union Canal, FL, USA

Aerial View of Faka Union Canal, Florida
This aerial view shows how Faka Union Canal (visible as a straight channel of water) connects the coastal environment, where manatees feed, to freshwater inlets. The Ten Thousand Islands region in the foreground supports sea grass beds where manatees feed. During cold winter months, manatees can swi...
Location: Ten Thousand Islands, FL, USA

1906 USGS River Height Observation Book
Streamgaging activities in Florida began on the Suwannee River at White Springs, where a local observer tracked mean daily water level elevation in this observer's book....
Location: USA

Measuring Streamflow on Flooded Road
Hydrologic technicians measure the overflow from the swollen Withlacoochee River, a tributary of Florida's Suwannee River, during a flood in April 2009....
Location: Ellaville, FL, USA

White Springs Streamgage 1932
Streamgage on the Suwannee River in 1932, located on the highway 41 bridge in White Springs, Florida...
Location: White Springs, FL, USA

White Springs Streamgage 1964
The streamgage at the highway 41 bridge in White Springs, Florida during a flood on September 16, 1964. The walkway to the gage was submerged in water....
Location: White Springs, FL, USA

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