STAMP: spatial–temporal analysis of moving polygons

@article{Robertson2007STAMPSA,
  title={STAMP: spatial–temporal analysis of moving polygons},
  author={Colin Robertson and Trisalyn A. Nelson and Barry Boots and Michael A. Wulder},
  journal={Journal of Geographical Systems},
  year={2007},
  volume={9},
  pages={207-227}
}
Research questions regarding temporal change in spatial patterns are increasingly common in geographical analysis. In this research, we explore and extend an approach to the spatial–temporal analysis of polygons that are spatially distinct and experience discrete changes though time. We present five new movement events for describing spatial processes: displacement, convergence, divergence, fragmentation and concentration. Spatial–temporal measures of events for size and direction are presented… 

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