2006 OPAL Awards Gala
Photography by David Hathcox...
Concrete Biaxial Column: Photographs
This chapter includes photographs of concrete biaxial columns....
A Study of the Stability of the Elms Cliffs on the Chesapeake Bay
The Chesapeake Bay and its tributaries form one of the most prized natural treasures of the United States. Although parts of the Bay's shoreline have been subjected to pollution, overdevelopment...
Humboldt Beach and Dune Monitoring
Since 1881, the U.S. Army Corps of Engineers has maintained the entrance channel to Humboldt Bay on the Northern California Coast. This is accomplished through the annual dredging of approximately...
Beachscape Abstract
The Surfrider Foundation is currently developing a volunteer-based mapping program to document the physical characteristics, land use patterns, pollution sources, public access, erosion,...
Desktop Publishing an O&M Manual
With word processing programs and high quality laser printers, it's easier than ever to create professional looking documents. The term desktop publishing refers to the production...
Photogrammetric Mapping
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 14. This manual provides procedures, minimum accuracy...
The Human Side of L.A. Metro
Encino, Calif.-based photographer Ken Karagozian was given access to the construction of L.A. Metro's Red Line. Karagozian tries to capture not only the scope of the work...
Practice Periodical on Structural Design and Construction
The Practice Periodical on Structural Design and Construction publishes articles about practical solutions to structural design problems and construction challenges of interest to practitioners. Articles...
The Levitation of Lunar Dust Via Electrostatic Forces
Apollo and Surveyor photographs revealed an unexpected lunar phenomenon that has come to be known as the 'horizon glow'. During lunar sunrise and sunset, a line of light was visible above...
Picturing Pollution
Kevin G. Coulton is a professional engineer and photographer who sees in the iridescent sheen of an oil slick on a rainy street a novel way to increase public awareness of water pollution...
Modular Software for Editing Paper Drawings
Revising, tracking and storing large format engineering drawings has always been an expensive and complex problem for large industries. The management problem became much more complex...
New Wells Safeguard Scenic Tahoe
Surface water for drinking and for snow-making is becoming scarce in the Lake Tahoe region, along the California and Nevada border. New Environmental Protection regulations regarding surface...
Oil in the Intertidal and Subtidal Sediment of the Saudi Arabian Coast One Year After the Gulf War Oil Spill
One year after the Gulf War oil spill, studies were conducted on the distribution and fate of oil in intertidal and shallow, subtidal habitats along the Saudi Arabian cost. These studies...
Evaluation of Airborne Video Imagery for Distinguishing Intertidal Oyster Reefs
We evaluated the effectiveness of airborne video imagery in distinguishing and mapping oyster (Crassostrea virginica) reefs in Aransas Bay on the southern Texas gulf coast. Imagery obtained...
The Wetted Bound: The Missing Link between Surveying and Planning?
Aerial photographs of the coastline are useful tools for investigating historic shoreline changes, especially in locations where such photographs are available back to the late 1920's....
Calculating Erosion Rates: Using Long-Term Data to Increase Data Confidence
Computer cartographic techniques were used to produce historical shoreline change maps for two study areas: (1) an eight kilometer section of Calvert County, Maryland; and (2) an eight...
A Man-Machine Partnership for Map Production: An Application of Image Classification and Auto-Vectorization in Charting Coastlines
The semi-automatic production of coastal area maps through computer processed digital images is described. Two sources of digital imagery were addressed: satellite and aircraft mounted...
Morphological Trends of the Belgian Coast Shown by 10 Years of Remote-Sensing Based Surveying
The morphological evolution of foreshore, backshore, and adjoining dunes of the entire Belgian coast is surveyed by means of aerial remote sensing on a yearly basis since 1983. The evolution...
Infiltration into Thick Unsaturated Alluvial Deposits: A Preliminary Study
An infiltration and dye transport study in an unsaturated alluvial deposit was conducted using a square flooding type infiltrometer over a 50 hour period. Red and blue dyes were added...
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