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A Simulation Technique for Modeling Flow on Floodplains and in Coastal Wetlands
The system design is premised on a proven, areal two-dimensional, finite-difference flow/transport model which is supported by an operational set of computer programs for input data management...

Simulation and Video Animation of Canal Flushing Created by a Tide Gate
A tide-gate algorithm was added to a one-dimensional unsteady flow model that was calibrated, verified, and used to determine the locations of as many as five tide gates that would maximize...

A Marina Model of Continuous Loads and Equilibrium
For projects requiring dredge and fill permits from the Florida Department of Environmental Regulation (FDER) the impact on water quality is one of the primary areas of concern which must...

Lunar Resources: What is Known and Expected
The lunar regolith is the source of a number of basic materials which can be utilized in lunar construction. These materials include those which are obtained directly from the regolith...

Carbonyl Extraction of Lunar and Asteroidal Metals
The century-old Mond process for carbonyl extraction of metals from ore shows great promise as an efficient, low energy scheme for producing high-purity Fe, Ni, Cr, Mn, and Co from lunar...

Plasma Processing of Lunar Ilmenite to Produce Oxygen
In order to make a space industry economic, a reliable extraterrestrial source of oxygen must be identified for immediate use. Lunar ilmenite has recently been considered as a candidate...

Fatigue Reliability of Space Structures
This paper develops a methodology for calculating the probability distribution for rainflow cycles in a nonstationary Gaussian process. The up and downcrossing rates are estimated for...

Plasma Reactor Waste Management Systems
The University of North Dakota is developing a plasma reactor system for use in closed-loop processing which includes biological, materials, manufacturing, and waste processing. Direct-current,...

Space Construction Animator: Functional Requirements
This paper explores the idea of developing integrated design/construction tools. In order to develop suitable computer graphics integrated tools for space construction operations, the...

Berm Breakwaters
Unconventional Rubble-Mound Breakwaters
This book presents a state-of-the-art review of the design, analysis, hydraulic model testing, and prototype experience of a new class of coastal structures that produce economical designs...

Probabilistic Methods in Civil Engineering
This book contains extended abstracts of papers presented at the ASCE Specialty Conerence on probabilistic methods held in Blacksburg, Virginia on May 25-27, 1988. The field of probabilistic...

Waste Processing: Makes Good Energy
Materials separation in solid wastes streams will generate more BTU's at waste-to-energy facilities. The removal of noncombustibles like bottles, batteries and refrigerators...

Asphalt Pavements of the Future
There will be major changes in the Hot Mix Asphalt Industry throughout the next decade and into the 21st century. Acquisitions, diversification, SHRP, the emergence of new technologies...

New Concrete and Asphalt Mixes on the Horizon
Significant research is currently 'in progress' which is intended to develop modified or new design methodologies that will result in improved pavement performance....

Breakwater Breakthrough�Bold New Breakwaters
A new rubble-mound breakwater design is a departure from the conventional approach detailed in the U.S. Army Corps of Engineers Shore Protection Manual. The new concept, called the berm...

The Ozone Defense
Ozone is a molecule containing three oxygen atoms. When bubbled through drinking water, the third atom in ozone is attracted away by other molecules, a process called oxidation. This process...

Biological Treatment of Trichloroethylene
Trichloroethylene and related compounds such as cis- and trans-1,2-dichloroethylene and vinyl chloride are common contaminants of ground water in industrial areas. In oxygenated ground...

The Unesco-Lesser Antilles Coastal Zone Management and Beach Stability Program
The aim of this program is to develop internal capabilities to conserve and manage beach and nearshore resources. The program covered six islands, Grenada, St. Vincent, St. Lucia, Dominica,...

Maritime Planning in New Zealand
This paper discusses maritime planning in New Zealand. After giving some background information, it deals with the statutory basis of such planning. It then looks at the Auckland experience,...

Malaysian National Coastal Erosion Study
This paper presents an overview discussion of the National Coastal Erosion Study for the Southeast Asian country of Malaysia which was conducted over a 15-month period ending in January...

 

 

 

 

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