Sudden cosmic ray decreases: No change of global cloud cover

Calogovic, J.; Albert, C.; Arnold, F.; Beer, J.; Desorgher, L.; Flueckiger, E. O.

doi:10.1029/2009GL041327

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Sudden cosmic ray decreases: No change of global cloud cover

Calogovic, J., Albert, C., Arnold, F., Beer, J., Desorgher, L., & Flueckiger, E. O. (2010). Sudden cosmic ray decreases: No change of global cloud cover. Geophysical Research Letters, 37(3): L03802. doi:10.1029/2009GL041327.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-7256-D Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-7257-B

Genre: Journal Article

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Creators:
Calogovic, J.¹, Author
Albert, C.¹, Author
Arnold, F.², Author
Beer, J.¹, Author
Desorgher, L.¹, Author
Flueckiger, E. O.¹, Author

Affiliations:
1Hvar Observatory, Faculty of Geodesy, Zagreb, Croatia, Eawag, Dübendorf, Switzerland, Physikalisches Institut, University of Bern, Bern, Switzerland, ou_persistent22
2Frank Arnold - Atmospheric Trace Gases and Ions, Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907557

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Abstract: Currently a cosmic ray cloud connection (CRC) hypothesis is subject of an intense controversial debate. It postulates that galactic cosmic rays (GCR) intruding the Earth's atmosphere influence cloud cover. If correct it would have important consequences for our understanding of climate driving processes. Here we report on an alternative and stringent test of the CRC-hypothesis by searching for a possible influence of sudden GCR decreases (so-called Forbush decreases) on clouds. We find no response of global cloud cover to Forbush decreases at any altitude and latitude.

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Language(s): eng - English

Dates: Date issued: 2010-02-03

Publication Status: Issued

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Identifiers: eDoc: 464037
DOI: 10.1029/2009GL041327

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Title: Geophysical Research Letters

Alternative Title : Geophys. Res. Lett

Source Genre: Journal

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Pages: - Volume / Issue: 37 (3) Sequence Number: L03802 Start / End Page: - Identifier: -