Low cloud properties influenced by cosmic rays

Nigel Marsh, Henrik Svensmark

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Abstract

The influence of solar variability on climate is currently uncertain. Recent observations have indicated a possible mechanism via the influence of solar modulated cosmic rays on global cloud cover. Surprisingly the influence of solar variability is strongest in low clouds (less than or equal to3 km), which points to a microphysical mechanism involving aerosol formation that is enhanced by ionization due to cosmic rays. If confirmed it suggests that the average state of the heliosphere is important for climate on Earth.
Original languageEnglish
JournalPhysical Review Letters
Volume85
Issue number23
Pages (from-to)5004-5007
ISSN0031-9007
DOIs
Publication statusPublished - 2000

Bibliographical note

Copyright 2000 American Physical Society

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