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20 - Geographic Information Systems

Published online by Cambridge University Press:  09 July 2024

Biswajit Mukhopadhyay  and
Vijay P. Singh
Biswajit Mukhopadhyay
Affiliation:
Gannett Fleming TranSystems
Vijay P. Singh
Affiliation:
Texas A&M University
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Summary

Geographic information systems (GIS) are discussed encompassing data base management, geodatabase, data structure of geographic features, topologic data structure, geographic data model, type of data models, Earth datum, map projection, map scale, geoprocessing and geovisualization, delineation of drainage areas and streams, and derivation of hydrologic parameters using GIS.

Keywords

GeodatabaseTopologyData ModelEarth DatumMap ProjectionAlbers ProjectionLambert ProjectionUniversal Transverse Mercator ProjectionMap ScaleGeoprocessing
Type
Chapter
Information
Applied Hydrology , pp. 659 - 682
Publisher: Cambridge University Press
Print publication year: 2024

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