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Cosmic Rays, Clouds, and Climate
Abstract
It has been proposed that Earth's climate could be affected by changes in cloudiness caused by variations in the intensity of galactic cosmic rays in the atmosphere. This proposal stems from an observed correlation between cosmic ray intensity and Earth's average cloud cover over the course of one solar cycle. Some scientists question the reliability of the observations, whereas others, who accept them as reliable, suggest that the correlation may be caused by other physical phenomena with decadal periods or by a response to volcanic activity or El Niño. Nevertheless, the observation has raised the intriguing possibility that a cosmic ray–cloud interaction may help explain how a relatively small change in solar output can produce much larger changes in Earth's climate. Physical mechanisms have been proposed to explain how cosmic rays could affect clouds, but they need to be investigated further if the observation is to become more than just another correlation among geophysical variables.
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Citations
Cited by
Prokoph, A., Shields, G. A., & Veizer, J. (2008) · Earth-Science Reviews · doi:10.1016/j.earscirev.2007.12.003 · Cited by 498
Particle Formation by Ion Nucleation in the Upper Troposphere and Lower Stratosphere
Lee, S.-H., Reeves, J. M., Wilson, J. C., Hunton, D. E., Viggiano, A. A., Miller, T. M., Ballenthin, J. O., & Lait, L. R. (2003) · Science · doi:10.1126/science.1087236 · Cited by 361
Cyclic Variation and Solar Forcing of Holocene Climate in the Alaskan Subarctic
Hu, F. S., Kaufman, D., Yoneji, S., Nelson, D., Shemesh, A., Huang, Y., Tian, J., Bond, G., Clegg, B., & Brown, T. (2003) · Science · doi:10.1126/science.1088568 · Cited by 339
Multi-point galactic cosmic ray measurements between 1 and 4.5 AU over a full solar cycle
Honig, T., Witasse, O. G., Evans, H., Nieminen, P., Kuulkers, E., Taylor, M. G. G. T., Heber, B., Guo, J., & Sánchez-Cano, B. (2019) · Annales Geophysicae · doi:10.5194/angeo-37-903-2019 · Cited by 38
Impact of environmental changes on Dermatology
Junior, V. H., Mendes, A. L., Talhari, C. C., & Miot, H. A. (2021) · Anais Brasileiros de Dermatologia · doi:10.1016/j.abd.2020.11.004 · Cited by 22
Metadata
- Authors
- Carslaw, K. S., Harrison, R. G., & Kirkby, J.
- Venue
- Science
- Published
- 2002-11-29
- Volume
- 298
- Issue
- 5599
- Pages
- 1732-1737
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2171158644
- Cited by
- 567
- References
- 0
- FWCI
- 36.12
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
