New approaches to quantifying aerosol influence on the cloud radiative effect

Proceedings of the National Academy of Sciences of the United States of America
Graham FeingoldK Sebastian Schmidt

Abstract

The topic of cloud radiative forcing associated with the atmospheric aerosol has been the focus of intense scrutiny for decades. The enormity of the problem is reflected in the need to understand aspects such as aerosol composition, optical properties, cloud condensation, and ice nucleation potential, along with the global distribution of these properties, controlled by emissions, transport, transformation, and sinks. Equally daunting is that clouds themselves are complex, turbulent, microphysical entities and, by their very nature, ephemeral and hard to predict. Atmospheric general circulation models represent aerosol-cloud interactions at ever-increasing levels of detail, but these models lack the resolution to represent clouds and aerosol-cloud interactions adequately. There is a dearth of observational constraints on aerosol-cloud interactions. We develop a conceptual approach to systematically constrain the aerosol-cloud radiative effect in shallow clouds through a combination of routine process modeling and satellite and surface-based shortwave radiation measurements. We heed the call to merge Darwinian and Newtonian strategies by balancing microphysical detail with scaling and emergent properties of the aerosol-cloud rad...Continue Reading

References

Oct 2, 2009·Nature·Bjorn Stevens, Graham Feingold
Jul 12, 2011·Proceedings of the National Academy of Sciences of the United States of America·Ilan Koren, Graham Feingold
Aug 3, 2011·Proceedings of the National Academy of Sciences of the United States of America·Joyce E PennerMinghuai Wang
Oct 1, 2011·Science·Massimo A BollasinaV Ramaswamy
Feb 28, 2016·Proceedings of the National Academy of Sciences of the United States of America·Steven GhanKai Zhang

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Citations

May 26, 2016·Proceedings of the National Academy of Sciences of the United States of America·John H SeinfeldRobert Wood
Oct 20, 2018·Physical Review Letters·Ching-Yao LaiLuc Deike
Jun 1, 2017·Atmospheric Chemistry and Physics·Lauren M ZamoraAndreas Stohl
Nov 8, 2020·Environmental Science and Pollution Research International·Daniel Camilo Fortunato Dos Santos OliveiraJudith Johanna Hoelzemann
Jan 30, 2021·Science·Franziska GlassmeierGraham Feingold

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