Water resources data for Arizona, water year 1984

White, N.D.; Garrett, W.B.

doi:10.3133/wdraz841

Cited by 13 publications

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New Field Method to Determine Streamflow Timing Using Electrical Resistance Sensors

Blasch

Ferré

Christensen

et al. 2002

Vadose Zone Journal

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can become buried or damaged by moving sediment or debris. Consequently, streamflow timing sensors de-Electrical resistance (ER) sensors were constructed to monitor ployed within the vadose zone have been shown to be streambed saturation to infer ephemeral streamflow timing. The senadvantageous under these circumstances (Constantz et sors were evaluated in an ephemeral stream through comparison with temperature-based methods, a stream gauge, and soil water content al., 2001). sensors. The ER sensors were more accurate at estimating streamflow Soil water content methods detect infiltration and timing and the resultant data required less interpretation than data percolation of water through the sediments, which may from temperature-based methods. Accuracy was equivalent to timing be used to infer timing of streamflow (Blasch et al., unmethods using stream gauge and soil water content measurements.

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New Field Method to Determine Streamflow Timing Using Electrical Resistance Sensors

Blasch

Ferré

Christensen

et al. 2002

Vadose Zone Journal

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Ground-water, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona—1999

Thomas¹,

Truini²

2000

Open-File Report

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The N aquifer is the major source of water in the 5,400-square-mile area of Black Mesa in northeastern Arizona. Availability of water is an important issue in this area because of continued industrial and municipal use, a growing population, and a precipitation of only about 6 to 12 inches per year. The monitoring program in Black Mesa has been operating since 1971 and is designed to determine the long-term effects of groundwater withdrawals from the N aquifer for industrial and municipal uses. The monitoring program includes measurements of (1) groundwater pumping, (2) groundwater levels, (3) spring discharge, (4) surface-water discharge, and (5) groundwater chemistry. In 1999, total groundwater withdrawals were 7,110 acre-feet, industrial use was 4,210 acre-feet, and municipal use was 2,900 acre-feet. From 1998 to 1999, total withdrawals increased by 0.7 percent, industrial use increased by 4 percent, and municipal use decreased by 4 percent. From 1998 to 1999, water levels declined in 11 of 15 wells in the unconfined part of the aquifer, and the median decline was 0.7 foot. Water levels declined in 14 of 16 wells in the confined part of the aquifer, and the median decline was 1.2 feet. From the prestress period (prior to 1965) to 1999, the median water-level decline in 31 wells was 10.6 feet. Median water-level changes were 0.0 foot for 15 wells in the unconfined part of the aquifer and-45.5 feet in 16 wells in the confined part.

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Ground-water, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona: 1998

Truini¹,

Baum²,

Littin³

et al. 2000

Open-File Report

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Multiply By To obtain foot (ft) 0.3048 meter square mile (mi 2) 2.590 square kilometer acre-foot (acre-ft) 0.001233 cubic hectometer cubic foot per second (ft 3 /s) 0.02832 cubic meter per second gallon per minute (gal/min) 0.06308 liter per second gallon per day (gal/day) 0.003785 cubic meter per day Contents v ABBREVIATED WATER-QUALITY UNITS Chemical concentration and water temperature are given only in metric units. Chemical concentration in water is given in milligrams per liter (mg/L) or micrograms per liter (µg/L). Milligrams per liter is a unit expressing the solute mass (milligrams) per unit of volume (liter) of water. One thousand micrograms per liter is equivalent to 1 milligram per liter. For concentrations less than 7,000 milligrams per liter, the numerical value is about the same as for concentrations in parts per million. Specific conductance is given in microsiemens per centimeter at 25 degrees Celsius (µS/cm at 25°C). Chemical concentrations in streambed sediment are given in micrograms per gram (µg/g) or micrograms per kilogram (µg/kg). Micrograms per gram is equal to parts per million (ppm). Micrograms per kilograms is equal to parts per billion (ppb). VERTICAL DATUM Sea level: In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929 (NGVD of 1929)-a geodetic datum derived from a general adjustment of the first-order level nets of the United States and Canada, formerly called "Sea Level Datum of 1929".

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Water resources data for Arizona, water year 1984

Cited by 13 publications

References 0 publications

New Field Method to Determine Streamflow Timing Using Electrical Resistance Sensors

New Field Method to Determine Streamflow Timing Using Electrical Resistance Sensors

Ground-water, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona—1999

Ground-water, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona: 1998

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