Top-Down Approaches to the Study of Cloud Systems

Graham Feingold, Ilan Koren

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

We approach the problem of convection and clouds using a “top-down view” that focuses on system-wide behavior and emergent phenomena.We distinguish this from the traditional “bottom-up,” or reductionist approach, in which the focus is on individual interacting processes, from which one attempts to advance understanding of the system as a whole. With its focus on the overall system behavior, the top-down methodology applies a different conceptual paradigm to the problem of complex systems and can be viewed as complementary to bottom-up reductionist thinking.We discuss the advantages of merging bottom-up and top-down approaches for maximum benefit: reductionism elucidates detailed physical processes and tests ideas about their interplay, while the broader view of atmospheric system behavior uncovers the outcome of interactions between local processes, revealing preferred states and bifurcation behaviors of the system, and responses to perturbations that might change the preferred states.

Original languageEnglish
Title of host publicationFast Processes in Large-Scale Atmospheric Models
Subtitle of host publicationProgress, Challenges, and Opportunities
PublisherJohn Wiley and Sons
Chapter13
Pages313-326
Number of pages14
ISBN (Electronic)9781119529019
ISBN (Print)9781119528999
DOIs
StatePublished Online - 30 Nov 2023

All Science Journal Classification (ASJC) codes

  • General Earth and Planetary Sciences

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