Low cloud properties influenced by cosmic rays

Nigel Marsh; Henrik Svensmark

doi:10.1103/PhysRevLett.85.5004

Low cloud properties influenced by cosmic rays

Nigel Marsh, Henrik Svensmark

Danish National Space Center

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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 language	English
Journal	Physical Review Letters
Volume	85
Issue number	23
Pages (from-to)	5004-5007
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.85.5004
Publication status	Published - 2000

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title = "Low cloud properties influenced by cosmic rays",

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.",

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N2 - 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.

AB - 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.

U2 - 10.1103/PhysRevLett.85.5004

DO - 10.1103/PhysRevLett.85.5004

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SP - 5004

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JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

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Low cloud properties influenced by cosmic rays

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