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Simple, effective Earth-system modelling

24 October 2018

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To assess long-range risks to food, water, energy and other critical natural resources, decision-makers often rely on Earth-system models capable of producing reliable projections of regional and global environmental changes spanning decades.

A key component of such models is the representation of atmospheric chemistry. Atmospheric simulations utilizing state-of-the-art complex chemical mechanisms promise the most accurate simulations of atmospheric chemistry. Unfortunately their size, complexity, and computational requirements have tended to limit such simulations to short time periods and a small number of scenarios to account for uncertainty.

Source: Massachusetts Institute of Technology

Image credit: Kurt Severance/NASA Langley Research Center - NASA studies of high springtime ozone levels over Canada and the Arctic.