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Filter Total Items: 62
Aerial view of Great Salt Lake causeway
Date Published: March 21, 2017
Status: Active

Deep Brine Layer

In 1959, a solid-fill railroad causeway was constructed across the middle of the Great Salt Lake. The construction of the causeway divided the lake into two parts; the north (Gunnison Bay) and the south (Gilbert Bay). By 2013, water flowed from one side to the other through only two culverts near the center of the causeway. In December 2013, concern about the structural integrity of the...

Contacts: Ryan Rowland
Great Salt Lake ESP
Date Published: February 20, 2017

Great Salt Lake Nutrients: Inflows and Gilbert Bay

Great Salt Lake is a hypersaline terminal lake and is an important habitat for migratory waterfowl. It is sensitive to climate and human-induced changes, and both make the long-term outlook for the lake uncertain. Because Great Salt Lake is near a populated area, there is an increased demand for the water that feeds the lake, and there is an increased risk for elevated concentrations of...

Snowpit Loch Vale Watershed in Rocky Mountain National Park
Date Published: January 25, 2017
Status: Active

Rocky Mountain Regional Snowpack Chemistry Monitoring Study

Snowpacks collect atmospheric deposition throughout the snowfall season and offer a unique opportunity to obtain a composite sample of the chemistry of most of the annual precipitation at high elevations [> 1,800 meters]. The purpose of the snowpack network is to determine annual concentrations and depositional amounts of selected nutrients and other constituents in snow resulting from...

Contacts: Graham Sexstone
RAMPS scientist meeting with two land managers in arid shrubland
Date Published: December 9, 2016
Status: Active

RAMPS: Restoration Assessment & Monitoring Program for the Southwest

The Restoration Assessment and Monitoring Program for the Southwest (RAMPS) seeks to assist U.S. Department of the Interior and other land management agencies and private partners in developing successful restoration strategies for dryland ecosystems of the southwestern United States. Invasive species, drought, habitat loss, fire, urban expansion, and other disturbances have degraded...

Erosion along the Rio Puerco during the flood of 2006 following herbicide application to control saltcedar in 2003.
Date Published: December 3, 2016
Status: Active

Erosion and Invasive Saltcedar

Formation of arroyos in the late 1800s greatly increased erosion across the southwestern United States. Since the 1930s, however, this erosion has decreased, partly because of bank stabilization by introduced saltcedar. With Isleta Pueblo Indian Nation, the Aquatic Systems Branch developed a new sediment dating method using saltcedar tree rings. We applied the method in a landmark study of...

Vegetation along the Colorado River in the Grand Canyon
Date Published: December 1, 2016

Riparian Ecology

Riparian ecologists in the AS Branch study interactions among flow, channel change, and vegetation along rivers across the western United States and worldwide. Our work focuses on issues relevant to the management of water and public lands, including dam operation, climate change, invasive species, and ecological restoration. Investigations take place on a range of scales. For example,...

Extensive defoliation of tamarisk (orange/brown vegetation throughout mid-ground) along the Virgin River, Arizona, 2009.
Date Published: November 28, 2016
Status: Active

Biological Invasions of Riparian Ecosystems

Beginning in the early twentieth century, non-native trees and shrubs, including tamarisk (also commonly known as saltcedar) and Russian-olive, were introduced to the United States for use as ornamental plants and in erosion-control plantings. These plants spread extensively, becoming the third and fourth most frequently occurring woody riparian plants in the American West.

 

The unregulated Santa Maria River in west-central Arizona.
Date Published: November 28, 2016

Streamflow-fluvial Geomorphology-riparian Vegetation Interactions

The foundation for applying science to river and riparian restoration contexts lies in a basic understanding of the factors that drive riparian vegetation dynamics. Much of our research is focused on clarifying relationships between streamflow, fluvial geomorphology, and riparian vegetation, including various feedbacks.

Image: USGS Documents 2015 Western U.S. Drought
Date Published: November 2, 2016

Western Drought Resilience Assessment

We collected streamflow, water temperature, and other data from more than 2,500 gaging stations on rivers and streams across California, Idaho, Nevada, Oregon, Utah, and Washington to document the severity of the 2015 drought. We are using the data collected to assess how warmer winter temperatures, reduced mountain snowpack, and a shift in precipitation from snow to rain may affect future...

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Date Published: October 27, 2016

Wyoming Landscape Conservation Initiative: Inventory and Long-Term Monitoring

The Wyoming Landscape Conservation Initiative (WLCI) addresses effects of land-use and climate changes on Southwest Wyoming’s natural resources. In partnership with twelve Federal, State, and local natural resource agencies, and non-governmental organizations– FORT and ten other USGS centers are conducting dozens of integrated science projects to assess the status of Southwest Wyoming’s...

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Date Published: October 27, 2016

Wyoming Landscape Conservation Initiative: Mechanistic Studies of Wildlife

The Wyoming Landscape Conservation Initiative (WLCI) addresses effects of land-use and climate changes on Southwest Wyoming’s natural resources. In partnership with twelve Federal, State, and local natural resource agencies, and non-governmental organizations– FORT and ten other USGS centers are conducting dozens of integrated science projects to assess the status of Southwest Wyoming’s...

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Date Published: October 27, 2016

Wyoming Landscape Conservation Initiative: Baseline Synthesis

The Wyoming Landscape Conservation Initiative (WLCI) addresses effects of land-use and climate changes on Southwest Wyoming’s natural resources. In partnership with twelve Federal, State, and local natural resource agencies, and non-governmental organizations– FORT and ten other USGS centers are conducting dozens of integrated science projects to assess the status of Southwest Wyoming’s...

Filter Total Items: 45
Screen shot of NSDI node for SIR 2010-5193
September 20, 2011

This dataset was created in support of a study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province of the western US.

Screen shot of the NSDI node for SIR 2010-5193
September 20, 2011

This dataset was created in support of a study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province of the western US.

Screen shot of the NSDI node for SIR 2010-5193
September 20, 2011

This dataset was created in support of a USGS study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province.

Screen shot of the NSDI node for SIR 2010-5193
September 20, 2011

This dataset consists of potentiometric contours, control points used to guide the creation of the contours, and a grid of 2 square-mile cells used to average the water-level value of selected control points. Control points are based on water-level measurements at well and spring locations from the USGS National Water Information System (NWIS).

Photo of the Green River Formation
December 1, 2010

This page accesses data for Oil Shale Assessments of PIceance, Uinta and Green River Basins.  It also includes fischer assays and scans of well logs in the Colorado Piceance Basin.   

Screen shot of NSDI node for SIR 2010-5064
June 11, 2010

This dataset was used as the basis for estimating land disturbance from oil and gas activity in the UCRB. The dataset is a compilation of five state oil and gas datasets from June of 2007. The intended uses of this data set include, but are not limited to, natural resource modeling, mapping, and visualization applications.

Screen shot of NSDI node for HA694C
January 1, 2009

This data set consists of hydrographic area and major flow system boundaries and polygons delineated at 1:1,000,000-scale for the Great Basin.

Screen shot of NSDI node for Data Series 302
October 1, 2007

The U.S. Geological Survey (USGS), in cooperation with the Utah Department of Environmental Quality has developed a geographic database of selected ground-water-level altitude contours and surfaces for Utah. The contour data are derived from studies published by the USGS and the State of Utah.

Screen shot of NSDI node for HA-694-C
January 1, 2007

This data set consists of sub delineations of the hydrographic area (HA) boundaries and polygons drawn at 1:1,000,000 scale for the Great Basin supplemented by information from HA drawn at 1:750,000 scale where necessary. See the process steps for more information.

Filter Total Items: 37
Publication Thumbnail
Year Published: 1984

Studies of geology and hydrology in the Basin and Range Province, Southwestern United States, for isolation of high-level radioactive waste; characterization of the Bonneville region, Utah and Nevada

Bedinger, M.S.; Sargent, K.A.; Langer, W.H.
Studies of geology and hydrology in the Basin and Range Province, Southwestern United States, for isolation of high-level radioactive waste; characterization of the Bonneville region, Utah and Nevada; 1984; OFR; 84-744; edited by Bedinger, M. S.; Sargent, K. A.; Langer, W. H.

Filter Total Items: 115
Photo showing the Great Basin area
June 30, 2016

Great Basin

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

Tree in the Great Basin range
June 30, 2016

Great Basin

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

Photo showing the Great Basin area
June 30, 2016

Great Basin

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

Photo showing the Great Basin area
June 30, 2016

Great Basin

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

Photo showing the Great Basin area
June 30, 2016

Great Basin

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

Photo of the Colorado River near Moab, Utah
May 6, 2016

Colorado River Near Moab, Utah.

Water flowing on the Colorado River near Moab, Utah. 

The entire Colorado River Basin currently supports 50 million people, and that amount is expected to increase by 23 million between 2000 and 2030. A new USGS study shows more than half of the streamflow in the Upper Colorado River Basin originates as groundwater. 

USGS Landsat animated image compares water flowing through the Great Salt Lake breach in 2011 and no flow in 2015.
April 7, 2016

USGS Landsat animated image compares water flowing through the Great Salt Lake breach

USGS Landsat image compares water flowing through the Great Salt Lake breach in 2011 and no flow in 2015.

USGS Landsat animated imagery compares 2011 and 2015 Great Salt Lake levels at the causeway.
April 7, 2016

USGS Landsat imagery compares Great Salt Lake levels at the causeway.

USGS Landsat imagery compares 2011 and 2015 Great Salt Lake levels at the causeway.

La Sal Mountain Range
January 13, 2016

La Sal Mountain Range

Snow-capped peaks of the La Sal Mountain Range as seen from the Island in the Sky District of Canyonlands National Park. This is one area in the Southwest where biocrust plays an important role. 

December 31, 2015

Flat Canyon Trench Excavation, Wasatch Fault Zone, Utah

A time-lapse video of the excavation of the trench for a paleoseismology research project at Flat Canyon, Utah, along the Wasatch fault zone.
 

Receding Great Salt Lake as seen from causeway
November 23, 2015

Great Salt Lake Receding

Receding Great Salt Lake as seen from causeway

Looking down and across the Great Salt Lake
November 23, 2015

Great Salt Lake

Looking down and across the Great Salt Lake.

Filter Total Items: 99
Map of the Glen Canyon Dam study area
August 19, 2015

Although the Grand Canyon segment of the Colorado River features one of the most remote ecosystems in the United States, it is not immune to exposure from toxic chemicals such as mercury according to newly published research in Environmental Toxicology and Chemistry.

Crowdsourced Earthquake Warnings illustration
April 10, 2015

MENLO PARK, Calif.— Smartphones and other personal electronic devices could, in regions where they are in widespread use, function as early warning systems for large earthquakes according to newly reported research.

Crowdsourced Earthquake Warnings illustration
April 10, 2015

MENLO PARK, California — Los teléfonos móviles y otros dispositivos electrónicos personales podrían ayudar en las regiones donde se encuentran en uso generalizado, y pueden funcionar como sistemas de alerta para terremotos mayor según la nueva investigación científica recien publicada.

USGS
April 1, 2015

Scientists from the U.S. Geological Survey, Pennsylvania State University and the University of Utah have used a new stream-based methane monitoring method to identify and quantify groundwater methane discharging to a stream in an area of shale-gas development.

collage of scientists conducting science related to each mission are
March 3, 2015

While the earth contains enough potash to meet the increased global demand for crop production and U.S. supplies are likely secure, some regions lack potash deposits needed for optimal food crop yields. According to a recent USGS global assessment of potash resources, the costs of importing potash long distances can limit its use and imports are subject to supply disruptions.

USGS
December 18, 2014

Secretary of the Interior Sally Jewell announced today that Interior’s Southwest Climate Science Center is awarding nearly a million dollars to universities and other partners for research to guide managers of parks, refuges and other cultural and natural resources in planning how to help species and ecosystems adapt to climate change.

USGS
September 19, 2014

Proposed increases in water withdrawals in Snake Valley and surrounding areas will likely result in declining groundwater levels and a decrease in natural discharge to springs, according to a new U.S. Geological Survey (USGS) study and simulation model.

USGS
May 13, 2014

Stronger storms, rising seas, and flooding are placing hundreds of millions people at risk around the world, and big part of the solution to decrease those risks is just off shore. A new study finds that coral reefs reduce the wave energy that would otherwise impact coastlines by 97 percent.

March 2014 US Topo map of the Moab, Utah area, 1:24,000 scale. Orthoimage layer is turned on, contour and woodland layers turned
March 25, 2014

Newly released US Topo maps  for Utah now feature a new commercial road data provider.

USGS
December 19, 2013

Secretary of the Interior Sally Jewell announced today that Interior’s Southwest Climate Science Center is awarding nearly $1.2 million to universities and other partners for research to guide managers of parks, refuges and other cultural and natural resources in planning how to help species and ecosystems adapt to climate change.

USGS
December 13, 2013

Drought conditions are linked to declines in a protected desert tortoise population in part of the Sonoran Desert, according to a U.S. Geological Survey study. 

USGS
November 28, 2012

MENLO PARK, Calif. —New insights into the differences between fire ecologies of the Chihuahuan and Mojave Deserts in the southwestern United States are coming through the use of terrestrial Light Detection and Ranging, or lidar, technology. Studies by the U.S. Geological Survey show that while fire is detrimental to some areas of the desert, it is beneficial to others. 

Filter Total Items: 43