chapter  21
Multiple Roles for GIS in Global Change Research
ByMichael Goodchild
Pages 20

The past ten years have seen a dramatic increase in support for research into die physical Earth system, and the effects of human-induced change, particularly in climate. Such research places heavy demands on geographic data, and on systems to handle those data, in order to calibrate, initialise, and verify models of the Earth system, and also to investigate the relationships that exist between various aspects of the physical system, and the human populations that both cause change and experience its effects.