The dynamic nature of geographical phenomena is widely recognised. Changes may be perceived as good or bad but are often of considerable importance. Environmental changes, for example, may have a marked impact on human health and well-being which, in addition to normal scientific curiosity, call for a greater understanding of phenomena undergoing change and of the effects of their dynamism. To support studies of dynamic geographical phenomena there is a need for information on environmental properties at a range of spatial and temporal scales. Various geospatial technologies have developed to provide the data needed to further the understanding of the environment (Konecny, 2003; Thurston et al., 2003). These geospatial technologies include the use of global position systems (GPS) for accurate information on location; geographical information systems (GIS) for data integration and analysis; and geostatistical tools for quantitative analyses, which recognise the spatial dependence that exists with most geographical data. In Section I of the book, however, the major focus is upon another major technology used in the study of GeoDynamics, remote sensing.
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