Environmental Evaluation of the Coastal Area of Marci? District: A Methodological Essay
This paper is part of an integrated study of the coastal environment of the county of Marica, Rio de Janeiro, where the environmental alterations of the urban expansion phenomenon were...
The CADD Landfill
Designing landfills with CADD, engineers have reduced cut and fill calculations from two weeks to two days. Aerial surveys arrive on magnetic tapes and are loaded into computers by in-house...
Geographic Information Systems for Hydrologic Modeling
Geographic information system techniques provide flexible and powerful capabilities for computer processing of spatial data sets integral to flash flood forecasting. Video digitizing or...
Regional Flood Plain Management
A flood plain management plan for White Rock Creek in the Cities of Dallas and Plano, Texas was developed. New technologies such as three-dimensional topography, CADD, and remote sensing...
Spatial and Temporal Variations of Precipitation Effects on Storm Hydrographs
A partial area, variable source hydrologic rainfall runoff model, called MAPHYD, was developed utilizing digital maps, interactive computer graphics and several infiltration mechanisms....
The Illinois GIS and Hydrologic Database
Development of the Illinois Geographic Information System (GIS) from 1983 to the present is described including the hardware configuration and ARC/INFO software. The database design at...
Application of Geographic Information Systems for Flood Risk Mapping
This paper presents an overview of the Federal Emergency Management Agency's (FEMA) efforts to automate flood risk mapping performed in support of the National Flood Insurance Program...
GIS Applications to the Water Resources Development Program of the U.S. Army Corps of Engineers
The ability that a Geographic Information System (GIS) offers to quickly reference multiple data sets to an overall base map and to one another provides the potential opportunity to greatly...
Development of a GIS for the U.S. Great Lakes Shoreline
The Computer Mapping Center of the Detroit District, U.S. Army Corps of Engineers (USACE) is developing a Geographic Information System (GIS) to contain physiographic, demographic, and...
Dynamic Maps for Seismic Risk Reduction and Effects of Soil Conditions
In order to perform useful vulnerability and risk evaluations, it is essential to have at one's disposal an automatic procedure of elaboration which provides answers in real time as soon...
Introducing Geostatistics?Estimating Spatial Data
The theory of regionalized variables commonly known as geostatistics is now being applied throughout the community of engineering and sciences. Measurements taken at different locations,...
Partial Area, Variable Source, Rainfall Runoff Model Utilizing Digital Mapping
A partial area, variable source hydrologic rainfall/runoff model, called MAPHYD, was developed utilizing digital maps, interactive computer graphics, and several infiltration mechanisms....
GIS Goes Public
The term Geographic Information Systems (GIS) covers a wide range of computerized mapping and database activities that vary between governments and even between agencies of the same governmental...
Storing Drawings on Optical Disks
Optical storage of drawings and maps on compact disks provides better long-term protection and accessibility than with hard-copy documents, and at much lower cost than computerized systems....
Recognizing Liquefaction Hazard
Technique for assessing liquefaction hazard are considered herein: Methods for compiling regional opportunity maps are reviewed and a crude national map is developed. Compilation of regional...
Source Tracing of Toxicants in Storm Drains
Sources of toxic chemicals in storm drains are often difficult to locate and even more difficult to control. Receiving environment chemistry, storm drainage maps, land use information,...
Use of a Geographic Information System as a Tool for Making Land Use Management Decisions for Coastal Wetlands in a State Regulatory Program
The Coastal Management Division of the Louisiana Department of Natural Resources is responsible for protecting and managing activities which occur in wetlands. As a tool for making decisions...
Wetlands Mapping in the Coastal Zone: Progress Towards a National Digital Data Base
To date approximately 90 percent of the coastal zone of the lower 48 states has been mapped by the National Wetlands Inventory (NWI). A number of Federal and State agencies have expressed...
Marina Planning with Geographic Information Systems
Water dependent coastal land uses including recreational boating facilities are being displaces by water enhanced uses. Coastal policy decisions designed to address these trends suffer...
Tidal Marshland Elevations in San Francisco Bay, California: Historic Accounts and Surveying Results (
The task of determining public agency jurisdiction in present and/or former tidal marshlands of San Francisco Bay is of importance in land use decisions and wetlands conservation. Jurisdiction...
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