Cyclic Streamflow Test for Validity of Randomness
Long-term Arizona runoff records used for flood insurance frequency analysis estimates are compared with long-term precipitation station records for cyclic behavior. Runoff cumulative...

Simulating Spatially Varied Thunderstorm Rainfall
Using data from two independent, relatively dense networks of raingages located in the vicinity of Tucson, Arizona, the spatial distribution of thunderstorm rainfall was determined as...

Rainfall-Sampling Impacts on Runoff
The sensitivity of computed peak-runoff rates to rainfall-sampling frequency over three semiarid watersheds in southeastern Arizona of increasing size is investigated using the methodology...

Application of Geological Information to Arizona Flood Hazard Assessment
Hydrological modeling procedures applied to regulatory flood-hazard zonation can be misapplied when assumptions concerning flood-hazardous processes are violated. Geomorphological mapping...

Risk Analysis as a Tool to Determine Spillway Design Capacities
Lyman Dam is an earth and rockfill structure located on the Little Colorado River approximately 11 miles south and upstream of St. Johns, Arizona. Several studies examining the safety...

Longitudinal Channel Response Due to In-Stream Mining
This paper describes the analysis procedure developed for the Arizona Department of Transportation for the estimation of short-term longitudinal channel response due to in-stream mining....

Implemented Solutions to Wqter Supply Problems—The Tucson Experience
During the past 30 years Tucson Arizona has been one of the fastest growing urban centers in the United States. During this period, the population served by the municipal water utility,...

Design Cloudburst and Flash Flood Methodology for the Western Mojave Desert, California
A methodology was required for estimating flow in ungaged drainages. An analysis of floods in the western Mojave Desert showed that the largest events on basins below 1,500 meters MSL...

Misapplication of the FEMA Alluvial Fan Model: A Case History
The Federal Emergency Management Agency (FEMA) recently issued revised Flood Insurance Rate Maps (FIRM) for the Tortolita piedmont, located northwest of Tucson, Arizona. Floodplain delineations...

Hydraulic and Scour Analysis for Muitiple Crossings of the Salt River, Phoenix, Arizona
Two new freeway systems currently being designed for the Phoenix metropolitan area, the East Papago Freeway and the Outer Loop Highway, will both cross the Salt River within a one mile...

Maricopa County Hydrology Procedure
The Flood Control District of Maricopa County has developed a procedure to be used for flood hydrology in Maricopa County, Arizona, and the Flood Control District has prepared a Hydrologic...

Transmission Losses, Flood Peaks, and Groundwater Recharge
Abstractions of streamflow in ephemeral stream channels from infiltration in the channel beds and banks are called transmission losses. These losses are important because water is 'lost'...

Evaluating Spring Flow Trends at Pipe Spring National Monument and Vicinity, Arizona
A study conducted by the National Park Service Water Resources Division is resolving if ground water pumping is causing spring flow declines at Pipe Spring National Monument (PISP). Ground...

Deck Park Covers Phoenix Freeway
The last link in interstate I-10, the coast to coast highway from Florida to California, will be completed in Phoenix, Arizona in 1989. The last eleven-mile section through Phoenix has...

Management of Artificial Recharge Systems

Water Reclamation in Tempe, Arizona

Development of Appropriate Hydrologic & Hydraulic Methodologies for Maricopa County, Arizona

Ft. Huachuca, AZ Fire Site Hazardous Waste Remedial Action
The paper discusses an investigation of the site of a major fire at Ft. Huachuca, Arizona. All of the fire debris contained asbestos. The sampling results confirmed that PCB levels of...

Digester Gas Resource Recovery at Phoenix, Arizona
Until July 1986, the digester gas produced at this 150 million gallon per day facility, in excess of what was utilized for heating anaerobic digesters was flared. In 1983, a feasibility...

Water Supply and Conservation in a Desert City
The city of Phoenix, a fast growing metropolitan area, set in the northern reaches of the Sonoran Desert, seems to have reached the limits of the western water frontier. Presently, Phoenix...

 

 

 

 

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