Explains changes in the scientific world view. Describes the classical mechanistic-reductionist paradigm and some modern examples of changes including evolution, self-organizing universe, non-linearity, subjectivity, and software. (YP)

The 21 essays in this two-part book provide conceptual and operational understanding of the nature of models as representations of reality and as tools for description, analysis, interpretation, and forecasting. Topic areas addressed in part 1 (concept) include: the nature of models; the earth as a system; the determination of form; some…