Search the CP-LUHNA Web pages ARCHAEOLOGICAL Archaeoastronomy BIOLOGICAL Packrat Middens
Amphibians and Reptiles
Arthropods
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Pollen CHRONOLOGICAL Dendrochronology
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Other Techniques GEOGRAPHICAL GIS
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Volcanism Glaciers HISTORICAL Land Surveys Written Histories Repeat Photography Stream Gaging Geographic Information Systems (GIS) Author: Thomas D. Sisk Geographic Information Systems allow the overlaying of data layers as diverse as satellite imagery, plant surveys, and bird abundance data. Different data layers can be queried simultaneously, providing deeper insight than might be possible with traditional analytical approaches. Geographic Information systems (GIS) are the combination of spatially referenced data, appropriate computer hardware and software, and users competent to employ the data and technology to solve problems. GIS is typically used to store and analyze extensive information in a map-based format. This allows relatively easy retrieval and manipulation of information and provides new analytical capabilities based on spatial relationships between sites of interest and any combination of available data sets. GIS as link a between geography and related sciences Diverse data types, be they physical, biological, or cultural, can be incorporated into this landscape representation, using a topology that retains their inherent spatial relationships. These innovations have revolutionized the way we work with spatial data and they we think about maps themselves | |
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