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A perspective on time: loss frequencies, time scales and lifetimes

  • Author(s): Prather, Michael J
  • Holmes, Christopher D
  • et al.

Published Web Location

https://doi.org/10.1071/EN13017Creative Commons Attribution 4.0 International Public License
Abstract

The need to describe the Earth’s system or any of its components with a quantity that has units of time is ubiquitous. These quantities are used as metrics of the system to describe the response to a perturbation, the cumulative effect of an action or just the budget in terms of sources and sinks. Given a complex, non-linear system, there are many different ways to derive such quantities, and careful definitions are needed to avoid mistaken approximations while providing useful parameters describing the system.

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