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Arizona

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Filter Total Items: 124
Black Mesa, Arizona
Date Published: March 15, 2017
Status: Active

Black Mesa Monitoring Program

The U.S. Geological Survey water-monitoring program in the Black Mesa area began in 1971 and provides information about the long-term effects of groundwater withdrawals from the N aquifer for industrial and municipal uses. The monitoring program includes measuring potential recovery in the N aquifer as a result of the reduction in industrial pumpage by Peabody Western Coal Company.

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Downtown Phoenix, Arizona
Date Published: March 14, 2017
Status: Active

Maricopa County Urban Stormwater Quality

Since 1991, the U.S. Geological Survey (USGS), in cooperation with the Flood Control District of Maricopa County (FCDMC), the city of Phoenix, and the city of Glendale, has been collecting, analyzing, and interpreting urban stormwater information from selected basins throughout the metropolitan Phoenix area. Water-resource managers and policy makers have used this information to determine...

Contacts: Kenneth Fossum
USGS
Date Published: March 9, 2017
Status: Active

Air Force Plant 44

Industrial activity at Air Force Plant 44 (AFP 44), a manufacturing facility located on property owned by the U.S. Air Force and operated by a major defense contractor, resulted in extensive contamination of groundwater with the industrial solvent trichloroethylene (TCE) and other organic compounds. The sole-source regional aquifer underlying AFP 44 provides potable water for municipal,...

Agricultural lands in Arizona, thumbnail
Date Published: March 9, 2017
Status: Active

Arizona Water Use

The Arizona Water Use program collects and estimates annual water withdrawals for the categories of irrigation, municipal, mining, thermoelectric-power, and drainage uses. The data for these categories are compiled for the Arizona Department of Water Resources groundwater basins outside of Active Management Areas. 

Contacts: Saeid Tadayon
Image of a glass slide and bathythermogram - examples of data types rescued.
Date Published: February 28, 2017
Status: Active

USGS Data at Risk: Expanding Legacy Data Inventory and Preservation Strategies

As one of the largest and oldest science organizations in the world, USGS has produced more than a century of earth science data, much of which is currently unavailable to the greater scientific community due to inaccessible or obsolescent media, formats, and technology. Tapping this vast wealth of “dark data” requires 1) a complete inventory of legacy data and 2) methods and tools to...

Contacts: Lance Everette, Tara M Bell, Cristiana Falvo
Dead and dying cottonwoods along the Mojave River, California, following a decrease in the riparian water table
Date Published: January 17, 2017

Ecological Drought in Riparian Ecosystems

Drought is killing riparian trees along many rivers in the western United States. The cause can be increasing temperature or decreasing precipitation, flow or water-table elevation. At multiple locations we are relating water availability to physiological measurements of tree survival and water stress, such as ring width, carbon stable isotope ratio and branch hydraulic conductivity. These...

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,...

The South Platte River. USGS Water Science Center image.
Date Published: November 29, 2016

Science to Inform Riparian Ecosystem Restoration and Management

Throughout the world, riparian habitats have been dramatically modified from their natural condition. Dams, non-native species and climate change are often principal drivers of these changes, via their alteration of water and sediment regimes that determine key resources for riparian plants.

The Bill Williams River in Arizona. USGS photo.
Date Published: November 29, 2016

Large-scale streamflow experiments

Because the underlying cause of riparian system alteration is often attributed to the effects of dams on flow regime, managing flow releases, particularly high flows, from dams is an often-advocated approach to river and riparian restoration. Our work has focused on understanding effects of managed high flow releases (a.k.a., pulse flows, controlled floods) from dams along rivers in the lower...

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.

 

Filter Total Items: 126
Publication Thumbnail
Year Published: 1987

Estimates of average annual tributary inflow to the lower Colorado River, Hoover Dam to Mexico

Estimates of tributary inflow by basin or area and by surface water or groundwater are presented in this report and itemized by subreaches in tabular form. Total estimated average annual tributary inflow to the Colorado River between Hoover Dam and Mexico, excluding the measured tributaries, is 96,000 acre-ft or about 1% of the 7.5 million acre-ft...

Owen-Joyce, Sandra J.
Estimates of average annual tributary inflow to the lower Colorado River, Hoover Dam to Mexico; 1987; WRI; 87-4078; Owen-Joyce, Sandra J.

Publication Thumbnail
Year Published: 1987

Progress report on the ground-water, surface-water, and quality-of-water monitoring program, Black Mesa area, northeastern Arizona, 1987

The N aquifer is an important source of water in the 5,400 sq-mi Black Mesa area on the Navajo and Hopi Indian Reservations. The Black Mesa monitoring program is designed to monitor long-term effects on the groundwater resources of the mesa as a result of withdrawals from the aquifer by the strip-mining operation of Peabody Coal Company....

Hill, G.W.; Sottilare, J.P.
Progress report on the ground-water, surface-water, and quality-of-water monitoring program, Black Mesa area, northeastern Arizona, 1987; 1987; OFR; 87-458; Hill, G. W.; Sottilare, J. P.

Publication Thumbnail
Year Published: 1986

Annual summary of ground-water conditions in Arizona, spring 1984 to spring 1985

In arid and semiarid regions such as Arizona, the availability of adequate water supplies has a significant influence on the type and extent of economic development. About two-thirds of the water used in the State is groundwater. The nature and extent of the groundwater reservoirs must be known for proper management of this valuable resource. The...

Annual summary of ground-water conditions in Arizona, spring 1984 to spring 1985; 1986; OFR; 86-422-W; Geological Survey (U.S.)

Publication Thumbnail
Year Published: 1986

Evapotranspiration estimates using remote-sensing data, Parker and Palo Verde valleys, Arizona and California

In 1981 the U.S. Geological Survey established an experimental project to assess the possible and practical use of remote sensing data to estimate evapotranspiration as an approximation of consumptive use in the lower Colorado River flood plain. The project area was in Parker Valley, Arizona. The approach selected was to measure the areas covered...

Raymond, L.H.; Rezin, K.V.
Evapotranspiration estimates using remote-sensing data, Parker and Palo Verde valleys, Arizona and California; 1986; OFR; 86-67; Raymond, L. H.; Rezin, K. V.

Publication Thumbnail
Year Published: 1986

Progress report on Black Mesa monitoring program; 1985-86

Hill, George W.; Whetten, Marlin I.
Progress report on Black Mesa monitoring program; 1985-86; 1986; OFR; 86-414-W; Hill, George W.; Whetten, Marlin I.

Publication Thumbnail
Year Published: 1985

Annual summary of ground-water conditions in Arizona, Spring 1983 to Spring 1984

A summary map shows various aspects of groundwater availability in Arizona. Potential well production, in increments of 0 to 10 gpm, 10 to 500 gpm, and 50 to 2500 gpm (average 1000 gpm) os the primary emphasis of the map; however, data on changes in water level from spring 1983 to spring 1984, status of groundwater inventory, and estimated...

Annual summary of ground-water conditions in Arizona, Spring 1983 to Spring 1984; 1985; OFR; 85-410; Geological Survey (U.S.)

Publication Thumbnail
Year Published: 1985

Progress report on Black Mesa monitoring program, 1984

The N aquifer is an important source of water in the 5,400 square-mile Black Mesa area on the Navajo and Hopi Indian Reservations. The project is designed to monitor long-term effects on the ground-water resources of the mesa as a result of withdrawals from the aquifer by a strip-mining operation. Withdrawals from the N aquifer by the mine have...

Hill, G.W.
Progress report on Black Mesa monitoring program, 1984; 1985; OFR; 85-483; Hill, G. W.

Publication Thumbnail
Year Published: 1984

A method for estimating ground-water return flow to the Colorado River in the Palo Verde-Cibola area, California and Arizona

Owen-Joyce, Sandra J.
A method for estimating ground-water return flow to the Colorado River in the Palo Verde-Cibola area, California and Arizona; 1984; WRI; 84-4236; Owen-Joyce, Sandra J.

Publication Thumbnail
Year Published: 1984

A method for estimating ground-water return flow to the Colorado River in the Parker area, Arizona and California

Leake, S.A.
A method for estimating ground-water return flow to the Colorado River in the Parker area, Arizona and California; 1984; WRI; 84-4229; Leake, S. A.

Publication Thumbnail
Year Published: 1984

Annual summary of ground-water conditions in Arizona, spring 1982 to spring 1983

The withdrawal of ground water was slightly less than 4.2 million acre-feet in Arizona in 1982, which is about 1.2 million acre-feet less than the amount withdrawn in 1981. Most of the decrease in 1982 was in the amount of ground water used for irrigation in the Basin and Range lowlands province. Through 1982, slightly more than 193 million acre-...

Annual summary of ground-water conditions in Arizona, spring 1982 to spring 1983; 1984; OFR; 84-428; Geological Survey (U.S.)

Publication Thumbnail
Year Published: 1983

A method for estimating ground-water return flow to the lower Colorado River in the Yuma area, Arizona and California

Loeltz, Omar J.; Leake, S.A.
A method for estimating ground-water return flow to the lower Colorado River in the Yuma area, Arizona and California; 1983; WRI; 83-4220; Loeltz, O. J.; Leake, S. A.

Publication Thumbnail
Year Published: 1983

A method for estimating ground-water return flow to the lower Colorado River in the Yuma area, Arizona and California; executive summary

Loeltz, Omar J.; Leake, S.A.
A method for estimating ground-water return flow to the lower Colorado River in the Yuma area, Arizona and California; executive summary; 1983; WRI; 83-4221; Loeltz, O. J.; Leake, S. A.

Filter Total Items: 198
Image: Drilling in Cinder Lake, Arizona
June 3, 2011

Drilling in Cinder Lake, Arizona

Boreholes being drilled at Cinder Lake as part of a U.S. Geological Survey study to determine the feature's floodwater storage capacity. Cinder Lake, which is located on the Coconino National Forest, has been used to store runoff from areas affected by the 2010 Schultz Fire outside of Flagstaff, Arizona.

May 5, 2011

Electronic Tape Calibration Procedure

A training video discussing how to calibrate the electronic tape.

May 5, 2011

Microgravity Measurement for Groundwater Analysis

A video discussing the Gravity Meters used at the USGS Arizona Water Science Center.

Image: Dust Storm Near Winslow, Arizona, in April 2011
April 1, 2011

Dust Storm Near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Image: Dust Storm Near Winslow, Arizona, in April 2011
April 1, 2011

Dust Storm Near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Image: Dust Storm near Winslow, Arizona, in April  2011
April 1, 2011

Dust Storm near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

Image: Dust Storm Near Winslow, Arizona, in April 2011
April 1, 2011

Dust Storm Near Winslow, Arizona, in April 2011

Dust carried by the wind has far-reaching effects, including the loss of nutrients and water-holding capacity from landscapes, and the speeding up of the melting of snow, which affects the timing and magnitude of runoff into streams and rivers.

March 10, 2011

Seepage Investigation: Clear Creek and Little Colorado River

Stream gaging occurring in Winslow: Clear Creek and Little Colorado River.

September 8, 2010

Grand Falls

Flooding taking place at Grand falls.

Image: Smoke From Schultz Pass Forest Fire, Flagstaff, Arizona, June 20, 2010
June 20, 2010

Smoke From Schultz Pass Forest Fire, Flagstaff, Arizona, June 20, 2010

Panorama (180 degree field of view) photograph of smoke rising from the Schultz Pass fire near Flagstaff, Arizona, at 1:34 p.m. on its day of ignition, June 20, 2010.  Over the following 10 days, the fire burned an estimated 15,075 acres, or more than 23 square miles of northern Arizona forest, and cost more than $8.6 million to fight. The fire was started by a campfire

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Image: Grand Canyon Investigations: 131 Years in the Field
April 12, 2010

Grand Canyon Investigations: 131 Years in the Field

Staff at the USGS Central Region Library created two displays for an open-house in celebration of National Library Week, April, 2010. This display on USGS scientific investigtations of the Grand Canyon displays field records, historical photography,historical surveying equipment, and publications from the science areas of biology, geology, geography, and water.

Image: Saguaro National Park, East Unit, Southern Arizona - 2010
March 29, 2010

Saguaro National Park, East Unit, Southern Arizona - 2010

Saguaro National Monument is now Saguaro National Park. The decline is saguaros has continued but at a rate slightly less steep than predicted. Very few of the saguaro present in 1935 remain. Meanwhile, the regeneration of this forest has already begun, as shown by findings from a long-term study-plot located at left midground. There has been a sharp increase in

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Filter Total Items: 178
USGS
December 2, 2010

TUCSON, Ariz. -- A new book on the methods and applications of repeat photography that showcases its international usage in monitoring landscape change on five continents has been released. 

USGS
November 15, 2010

FLAGSTAFF, Ariz. — The U.S. Geological Survey has named Kate Kitchell the director of its Southwest Biological Science Center. Kitchell, who served as the acting center director for the previous 16 months, assumed the role permanently November 6, 2010. 

USGS
October 15, 2010

TEMPE, Ariz. — Climate change and growing human demands for water are leaving an indelible mark on rivers and streams, shortening food chains and eliminating some top predators like large-bodied fish, according to a new study led by Arizona State University and co-authored by a U.S. Geological Survey scientist.

USGS
February 18, 2010

Flagstaff, Ariz. — As part of the Department of the Interior’s evaluation of whether to segregate nearly 1 million acres of federal lands near the Grand Canyon from new uranium claims, the United States Geological Survey today released a report on uranium resources and uranium mining impacts in the area.

USGS
February 2, 2010

Flagstaff, Ariz. —Resources along the Colorado River in Glen Canyon National Recreation Area and Grand Canyon National Park generally benefited from a high-flow experiment conducted in March 2008 from Glen Canyon Dam, near Page, Ariz., according to research findings released today by the U.S. Geological Survey.

USGS science for a changing world logo
November 4, 2009

Greater sage-grouse populations have declined substantially in many areas in the West, though populations in some locations remain relatively stable, according to a comprehensive publication written by federal, state, and non-governmental organizations. The population assessment is one of numerous sage-grouse topics covered in the 24 chapters released today.

USGS science for a changing world logo
September 14, 2009

Intersex in smallmouth and largemouth basses is widespread in numerous river basins throughout the United States is the major finding of the most comprehensive and large-scale evaluation of the condition, according to U.S. Geological Survey (USGS) research published online in Aquatic Toxicology.

USGS science for a changing world logo
August 10, 2009

A report on long-term glacier measurements released today by Secretary of the Interior Ken Salazar shows that glaciers are dramatically changing in mass, length and thickness as a result of climate change.

USGS science for a changing world logo
July 20, 2009

U.S. Geological Survey scientists and cartographers played an important but relatively unknown role during the Apollo 11 moon landing 40 years ago this week. USGS astrogeologists trained the Apollo astronauts in the science and strategy of field geology.

USGS science for a changing world logo
June 18, 2009

Critical science support for NASA's Lunar Reconnaissance Orbiter (LRO), launched today from Cape Canaveral, Florida, will help pave the way for further human and robotic exploration of the Moon. U.S. Geological Survey scientists are providing unique knowledge and skills as members of the science teams operating instruments on LRO.

USGS science for a changing world logo
May 20, 2009

The U.S. Geological Survey will conduct scientific overflights at Grand Canyon National Park, Arizona, during Memorial Day weekend to document the status of natural and cultural resources along the Colorado River below Glen Canyon Dam. Aerial photographs will be taken using two fixed-wing aircraft flying at an elevation about 7,000 feet above ground level.

USGS science for a changing world logo
April 27, 2009

Adult endangered humpback chub (Gila cypha) in Grand Canyon, Arizona, increased by about 50 percent between 2001 and 2008, according to analysis recently conducted by the U.S. Geological Survey. The upward trend reverses population declines from 1989 to 2001.