Images

Scientists electrofish low-salinity shorelines, Tarpon Bay, Everglades National Park.

Benthos sampling at Crane Creek, OH.

Solomon Gulch Top of Falls gage house in spring.

Hydrographer C.S. Couvillion drilling Willow Creek for ice discharge measurement.

Weather Station on Tern Island in the middle of Crump Lake protected by bird spikes.

Multiple generations of Salish Sea Tribal members land at the Swinomish Indian Reservation.

Arrival of Salish Sea Tribal Canoes with USGS water quality sampling instrumentation onboard.

As part of an international collaboration, the USGS assessed water availability in Kabul, Afghanistan. The report can be found online.

This photo was taken at USGS gaging station 01055000 on the Swift River near Roxbury, Maine. The falls is most commonly referred to as Swift River Falls and has many potholes and scours that demonstrate the impressive ability of water to errode rock.

The Bois de Sioux river channel near White Rock, SD.

The Bois de Sioux river channel near White Rock, SD.

Christian Bongard collects data from a weather station in the Shenandoah National Park.

Mike Sabatino (volunteer for science) wires a weather station in the Shenandoah National Park

Sample collected from Madison Springs Hut in the White Mountains (~ 5,000 ft above sea level).

Picture of Moraine Lake taken from the south face of South Sister in the Three Sisters Wilderness Area.

Self-portrait of hydrologic technician. Streamgaging is an important facet of the USGS.

USGS biological sampling trap collecting emerging insects to determine the quantity and quality of insects as potential food resources available to insect-eating birds.

A clear, conical trap collects emerging aquatic insects on Navigation Pool 8 of the Upper Mississippi River for a USGS study examining the effects of Asian carp on insect-eating birds.

Dead molluscs and raccoon tracks are concentrated in cracks in mud in the substrate of a dried-down tidal pond.  Increased frequency and duration of droughts are predicted by some climate models.

This picture was taken during sediment coring field work for a project evaluating atmospheric loading of nutrients to high alpine lakes.

Great Lakes water availability studies conducted by the U.S. Geological Survey aim to help characterize how much water the Basin has now, how water availability is changing, and how much water it can expect to have in the future.