Images

Barbara Martin about to collect a sediment sample for selenium analysis. Sample collected from the agricultural drain Trifolium 19 on the southwest side of the Salton Sea, CA.

USGS researchers used a small-scale commercial windmill as an essential part of its new device to measure snowfall in remote areas.

This photos was staged to simulate how scientists monitor data. 

Cyrus Read installing the new, zoomable web camera at the AVO research hut north of Redoubt Volcano.

Redoubt Volcano summit crater during eruption. This was taken just after explosive activity at redoubt ceased. There were still significant gas and steam emissions occurring. Iliamna Volcano to the south of Redoubt is visible in the background.

The Bridge and Train Trestle across the Alapaha provide USGS hydrologic technicians and emergency crews a good survey of flooding conditions for making measurements.

The dry landscape of northwest Florida floods with extreme highwater from the Withlacoochee River.

Governor of California Arnold Schwarzenegger and Secretary Salazar return from an aerial tour of the drought-stricken Sacramento Delta prior to announcing $1 billion in water related investments, including $260 million to help California address long-term water supply challenges and devastating drought conditions.

Governor of California Arnold Schwarzenegger and Secretary Salazar prior to announcing $1 Billion in water related investments nationwide, including $260 million to help California address long-term water supply challenges and devastating drought conditions.

USGS hydrologic technicians survey the volume of water discharging across flooded state road 141 from the Withlacoochee River near Lee, Florida (Monday, April 13, 2009).
Courtesy of the Florida Fish and Wildlife Conservation Commission

The rural landscape in northwest Florida is inundated by floodwaters of the Alapaha River.

Secretary of the Interior Ken Salazar announced the U.S. Geological Survey will fund $29.4 million in earthquake network upgrades nationwide through the American Recovery and Reinvestment Act of 2009.

The Souris River located above Minot, North Dakota.

Cattle in California rangelands, Coyote Ridge, Santa Clara Valley, Calif.

USGS gage house located at Cannonball River at Breien, ND has recorded 100 years of data.

Bill Damschen(USGS) collecting a grab sample after a rain event from the outflow pipe drain tiles, at the North Dakota Discoery Farms Embden Farm located in southeast Cass County about 8 miles south of Embden, North Dakota.

Debris from the Withlacoochee River near Lee, Florida, downstream from Pinetta, Florida, where the record gage height was recorded last week. (Monday, April 13, 2009)

North Dakota Discovery Farms Embden 1 waterway site, which is a surface water flume with surface opening to drain tile pipe.

Flooding on the Cannonball River at Breien, North Dakota.

Hydrologic technicians measure the overflow from the swollen Withlacoochee River, a tributary of Florida's Suwannee River, during a flood in April 2009.

Souris River and streamgage house to the right in April.