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...

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...

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...

Rebuilding an Island
Following centuries of rising sea levels and pounding waves, almost all of Poplar Island had, by the 1990s, been lost to erosion in the Chesapeake Bay. Today the land is on its way back,...

Planning Applications Constructed Wetlands for Wastewater Treatment or an Avian Habitat in the Desert?
The debate of wetlands constructed for wastewater treatment or biological habitat continues. How a desert site is planned to meet both challenges is presented....

Residential Land Development Practices
A Textbook on Development Land Into Finished Lots
This manual is the first of its type to instruct the reader on residential land development practices. This step-by-step description of the land development process is based on the professional...

Watershed Management Education at The University of Arizona
Watershed management education at the University of Arizona is described and discussed in the perspective of other educational programs, and national and international activity. The Watershed...

Watershed Management Strategies for the Sustainable Environmental Rehabilitation of Stressed Areas in Northern Greece
The present paper has a two prong emphasis. Firstly, it demarcates the physical, structural and socio-economic environment in central Macedonia and the associated water management issues....

 

 

 

 

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