Dry Dams in the Desert: Chasing Land Subsidence and Earth Fissures with Geophysics
Homogenous embankment dam flood retention structures (FRSs) were built throughout central Arizona desert basins in the mid-twentieth century to protect mostly agricultural lands and military installations...

Avoiding Impacts of Collapsed Mines on Railways: A Multidisciplinary Geophysical Detective Approach
The presence of abandoned mine workings can pose a significant risk to the use and development of surface structures above them, including railway lines. Typically, the adverse and often sudden effects...

Proactive Management of Landslide- and Rockfall-Prone Slopes: A New Program for Federal Land Management Agencies
Most people realize that the nation's transportation infrastructure is aging faster than federal, state, and local governments can manage with traditional methods. In fact, a national and international...

Water Wise
Located in a semiarid region, the town of Castle Rock, Colorado, has a goal to reduce its reliance on nonrenewable groundwater sources. A recently completed pipeline project enables Castle Rock to tap...

Remote Mapping in Alaska's Wilderness: Accessing Resources in the Last Frontier
The rich, natural resources of Alaska have long been the focus of many pioneers seeking fortune in the Last Frontier. As captured in historical images of dedicated Klondike Gold Rush miners seeking their...

Stabilizing Variable and Sloping Ground: Achieving Innovation Through Adaptation
We all know the high price of land development these days, so it's more important than ever for owners and their designers to maximize available land area. Occasionally, this demand is constrained by topography...

Sinkhole Investigation and Grouting: Novel Recommendations for a Pipeline Right-of-Way
In 2009, numerous sinkholes developed within and adjacent to a 400-ft-long section of high-pressure, petroleum pipeline right-of-way that crosses under a local creek in Plymouth Meeting,...

Soil Mixing Innovation for Land Restoration

Uncertainties in Evaluating Mine Subsidence

Designing for Potential Mine Subsidence at a Disposal Facility in Appalachia

Evaluation of Satellite-Based Impervious Surface Data for the Mid-Atlantic Region Using an Independently Collected, High-Resolution Validation Database
Satellite-based estimates of impervious surfaces are being produced for the entire United States as part of the U.S. Geological Survey's (USGS) Landsat-based National Land Cover Database...

Large Scale Sediment Source Identification and Load Estimation Designed to Inform the TMDL Process

Effects of Prior Rainfall and Storm Variables on Curve Number Rainfall-Runoff

Plot and Small Watershed Scale Modeling of Infiltration and Runoff on a Semiarid Grassland Using Distributed Green and Ampt Infiltration Parameters

Headcut Analysis for Off-Channel Gravel Pits in Arid Environments
The study focuses on a large gravel pit located adjacent to the Santa Cruz River between the confluences with the Rillito and Canada del Oro rivers in Tucson, Arizona. These gravel pits...

A Cleaner Coast Down Under
As part of a strategy to improve the quality of wastewater treatment in the Illawarra- a popular coastal region in Australia- the country's largest supplier of water and wastewater...

San Diego Delivers
To maintain its ability to provide water to some of its rapidly growing regions, the city of San Diego is simultaneously laying two large diameter pipelines, one carrying potable water...

Tapping the Desert
As part of an effort to augment the limited supply of freshwater in El Paso, Texas, engineers and planners are eyeing a new source: desalinated water pumped from beneath the desert floor....

Transparency and Integrity in Water Management
The purpose of this Paper will be to explore, define and discuss the matter of transparency, integrity and effectiveness in water and associated land management. In view of the complex...

Supercharged
The Groundwater Replenishment (GWR) System is a regional water supply project sponsored jointly by the Orange County Water District (OCWD) and the Orange County Sanitation District (OCSD)....

 

 

 

 

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