Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted.  For more information, please see www.doi.gov/shutdown

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Southwest

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The Southwest Region ranges from the Colorado Rockies to the Gulf Coast and the Western Deserts to the Great Plains. The Southwest Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

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Photo of two of the main spring discharge points of Comal springs.
April 11, 2013

Two of the main spring discharge points of Comal springs, Texas

Two of the main spring discharge points of Comal springs.

A new website now provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and San Marcos Springs.

Photo of scientists testing where methane goes once released into streams
March 31, 2013

Evaluating the Fate of Methane Released into Streams

Scientists apply a new method for determining the fate of methane discharged into streams. Here, gas is injected into stream water along West Bear Creek, North Carolina. 

Photo of scientists testing where methane goes once released into streams
March 31, 2013

Scientists test where methane goes once released into streams

Scientists apply a new method for determining the fate of methane discharged into streams. Here, noble-gas (krypton) is injected using submerged gas-permeable tubing in West Bear Creek, North Carolina. 

 

Bureau of Land Management truck sprays herbicide in southwestern Idaho as part of a restoration effort. 
December 31, 2012

Truck sprays herbicide in Idaho as part of a restoration effort.

Bureau of Land Management truck sprays herbicide in southwestern Idaho as part of a restoration effort. 

An examination of long-term data for lands managed by the Bureau of Land Management finds that land treatments in the southwestern United States are increasingly large, expensive and related to fire and invasive species control.

Prairie dog and SPV bait
August 7, 2012

Prairie dog and SPV bait

In this image, a Gunnison prairie dog eats a bait laden with the sylvatic plague vaccine. Prairie dogs in the wild are less likely to succumb to plague after they ingest peanut-butter-flavored bait that contains a vaccine against the disease.

Low streamflow on the Arkansas River at Syracuse, Kansas.
July 17, 2012

Low streamflow on the Arkansas River at Syracuse, Kansas.

This image shows a low streamflow on the Arkansas River at Syracuse.
Human activity, such as groundwater pumping, land management, reservoir operations and urbanization, has a measurable effect on streamflows in Kansas locally, regionally and statewide, according to a new USGS report.

Lava tube opening/possible bat roost with pine forest above.
December 31, 2011

Lava tube opening/possible bat roost with pine forest above.

Opening of a large lava tube at El Malpais National Monument in western New Mexico and likely roost for bats, 2011.

View from sandstone bluff overlooking extinct lava flows at El Malpais National Monument, New Mexico.
December 31, 2011

View from sandstone bluff overlooking extinct lava flows at El Malpais

View from sandstone bluff overlooking extinct lava flows at El Malpais National Monument, New Mexico.

Cattle walking across biological soil crusts in southeastern Utah.
July 31, 2011

Cattle walking across biological soil crusts in southeastern Utah

Cattle walking across biological soil crusts in southeastern Utah.

Climate change combined with overlapping high-intensity land uses are likely to create conditions detrimental to the recreation economy, wildlife habitat, water availability and other resources in hyper-arid landscapes, or drylands, in the future, according to a paper published in Ecosphere

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Dry conditions at cattle water sources in western Colorado.
July 31, 2011

Dry conditions at cattle water sources in western Colorado

Dry conditions at cattle water sources in western Colorado. 

Climate change combined with overlapping high-intensity land uses are likely to create conditions detrimental to the recreation economy, wildlife habitat, water availability and other resources in hyper-arid landscapes, or drylands, in the future, according to a paper published in Ecosphere.

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This photo of a Pacific sheath-tailed bat is the last good photo of this bat from Aguiguan in existence.
December 31, 2009

The last sheath-tailed bat photo

This photo of a Pacific sheath-tailed bat is the last good photo of this bat from Aguiguan in existence.

Photo of Spring Lake in San Marcos, Texas
October 28, 2008

Photo of Spring Lake in San Marcos, Texas

Spring Lake in San Marcos, Texas, has hundreds of small springs underneath it.

A new website now provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and San Marcos Springs.

The Southwest Region ranges from the Colorado Rockies to the Gulf Coast and the Western Deserts to the Great Plains. The Southwest Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

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