Updating the Debate on Model Complexity

Craig Simmons, Randall Hunt

    Research output: Contribution to journalArticlepeer-review

    11 Citations (Scopus)

    Abstract

    A special session titled 'Complexity in Modeling: How Much is Too Much? was convened at the 2011 Geological Society of America Annual Meeting. The session had a variety of thought provoking presentations-ranging from philosophy to cost benefit analyses-and provided some areas of broad agreement that were not evident in discussions of the topic in 1998. Complexity will not go away simply by fiat; too many problems require complexity to adequately address societal needs and expectations. Fred Molz expanded the philosophical underpinnings of model complexity with an example of 'computer-aided thinking.' This term suggests a utility for models even if mathematical chaos violates the concept of a single unique reality or where a premise of classic model prediction fails. Daniel Abrams compared end-extremes of the complexity simplicity scale, where insights gained from intensive particle tracking from a 3-D groundwater flow model were also obtained using a simple exponential solution for predictions of watershed scale transit time distributions.

    Original languageEnglish
    Pages (from-to)28-29
    Number of pages2
    JournalGSA Today
    Volume22
    Issue number8
    DOIs
    Publication statusPublished - Aug 2012

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