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GIS Applications Floodplain Reconnaissance Studies
U.S. Army Engineer District, New Orleans (NOD) employed a Geographic Information System (GIS) to support a flood plain management Reconnaissance Study. The study region encompassed the...

Extending GIS Capabilities for Enhanced Sewer System Modeling
A limitation of many sewer system modeling programs is their inability to accept and display graphic data. By the same token, many GIS packages, which handle graphics, aren't...

Applications of GIS to Wastewater System Master Planning in Albuquerque
The City of Albuquerque Public Works Department provides wastewater collection and treatment services to a metropolitan area of over 550,000 people. In order to plan for needed wastewater...

A GIS Approach to Urban Water System Planning
Procedures for projecting future water needs have ignored the spatial distribution of consumers. However, with a GIS approach to water demand forecasting and supply planning the spatial...

Integration of SCADA and GIS Technologies in Jefferson Parish, Louisiana
Due to its physiographic setting in the delta region of the Mississippi River, a majority of the inhabited lands in Jefferson Parish, Louisiana are below local mean sea level and much...

Analysis of Thermal Scanning Imagery to Investigate Point Inflows Into Surface Water Bodies
Using a modified technique of thermal infrared remote sensing, physical sampling, and data analysis (graphical and geostatistical) locating a small inflow to a lake was possible. Thermal...

Infrared Thermography Based Pipeline Leak Detection
Computerized Infrared Thermographic pipeline inspection is now a refined and reliable process having been thoroughly proven to be an accurate, cost effective, and efficient technology...

Municipal GIS Applications Utilizing Vector and Raster Software on Personal Computers
Confronted by increasingly tight budgetary constraints, combined with the expensive computer processing hardware typically required by a GIS, smaller engineering firms and local governments...

Integrating GIS and Civil Design
Genasys Inc. has traditionally specialized in Geographic Information Systems (GIS) and Computer Mapping. The Genamap product is the world leader in UNIX based GIS. Over the last five years...

Evaluating Computer Aided Support Systems for Infrastructure Management
Computers have invaded nearly every aspect of our lives. Management of our municipal infrastructure is no exception. Today more than ever, efficient, timely, informed management of our...

A Geographic Information System to Support State-Wide Hydrologic Modeling with the SCS-TR-20
A geographic information system (GIS) that is structured for hydrologic analyses has been installed in the Maryland State Highway Administration's (MSHA) Division of Bridge...

Application of a Geographic Information System to Hydrologic Modeling Using HEC-1
A geographic information system (GIS) was used to derive areally-weighted hydrologic parameters for input to the HEC-1 hydrologic model for approximately 600 square miles of Pierce County,...

A GIS Based Geomorphic Approach for the Digital Computation of Time-Area Curves
Hydrologists routinely operate simulation models to approximate the runoff process. A popular strategy is the routing of a 'time-area' histogram. In addition, state-of-the-art hydrologic...

A Perfect Base for a GIS: The Digital Orthophoto
A digital orthophoto is a rectified image with no relief displacement or radial distortion inherent in an aerial photo. One advantage of a digital orthophotography is that it can be used...

Low Stream Flow Frequency Analysis with Ordinary and Tobit Regression
In order to estimate the low-flow quantiles at ungaged sites, it is necessary to estimate low-flow quantiles at gaged sites. Two linear regression methods, denoted NR and NE, are compared...

Guidelines for Water Resource Models Development and Use
Water resources literature suggests that computer based models have the potential to provide useful information in facilitating water resources decision making process. Therefore, continuous...

Using Off the Shelf Engineering & Business Software for Managing Water Resources, Case Study: Rancho California Water District (RCWD)
The paper presents the use of common engineering and business software packages for the purpose of managing water resources. A case example is presented where an existing water district's...

Management and Statistical Analysis of Groundwater Monitoring Data at Solid Waste Landfills
Solid waste landfills in Ohio and Michigan, as in many states, are required to have monitoring wells. Groundwater samples from these wells are analyzed to determine if leachate from the...

Models for Groundwater Permit Determination
This paper describes legislation and research related to establishing a permitting system for groundwater withdrawals. Two mathematical programming models are described that address the...

Corps of Engineers Water Control Data Systems for the 90's
Corps of Engineers water control data systems encompass all of the instruments, equipment, computers, and software used to collect and use environmental data in real-time water control...

 

 

 

 

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