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Amplified Arctic climate change: What does surface albedo feedback have to do with it?
Open accessAbstract
A group of twelve IPCC fourth assessment report (AR4) climate models have Arctic (60N–90N) warmings that are, on average, 1.9 times greater than their global warmings at the time of CO 2 doubling in 1%/year CO 2 increase experiments. Forcings and feedbacks that impact the warming response are estimated for both Arctic and global regions based on standard model diagnostics. Fitting a zero‐dimensional energy balance model to each region, an expression is derived that gives the Arctic amplification as a function of these forcings and feedbacks. Contributing to Arctic amplification are the Arctic‐global differences in surface albedo feedback (SAF), longwave feedback and the net top‐of‐atmosphere flux forcing (the sum of the surface flux and the atmospheric heat transport convergence). The doubled CO 2 forcing and non‐SAF shortwave feedback oppose Arctic amplification. SAF is shown to be a contributing, but not a dominating, factor in the simulated Arctic amplification and its intermodel variation.
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Citations
Cited by
The central role of diminishing sea ice in recent Arctic temperature amplification
Screen, J. A., & Simmonds, I. (2010) · Nature · doi:10.1038/nature09051 · Cited by 2,336
Arctic amplification dominated by temperature feedbacks in contemporary climate models
Pithan, F., & Mauritsen, T. (2014) · Nature Geoscience · doi:10.1038/ngeo2071 · Cited by 1,363
Divergent consensuses on Arctic amplification influence on midlatitude severe winter weather
Cohen, J., Zhang, X., Francis, J., Jung, T., Kwok, R., Overland, J., Ballinger, T. J., Bhatt, U. S., Chen, H. W., Coumou, D., et al. (2020) · Nature Climate Change · doi:10.1038/s41558-019-0662-y · Cited by 802
THE ROLE OF THE BARENTS SEA IN THE ARCTIC CLIMATE SYSTEM
Smedsrud, L. H., Esau, I., Ingvaldsen, R. B., Eldevik, T., Haugan, P. M., Li, C., Lien, V. S., Olsen, A., Omar, A. M., Otterå, O. H., et al. (2013) · Reviews of Geophysics · doi:10.1002/rog.20017 · Cited by 489
Polar amplification dominated by local forcing and feedbacks
Stuecker, M. F., Bitz, C. M., Armour, K. C., Proistosescu, C., Kang, S. M., Xie, S.-P., Kim, D., McGregor, S., Zhang, W., Zhao, S., et al. (2018) · Nature Climate Change · doi:10.1038/s41558-018-0339-y · Cited by 386
Metadata
- Authors
- Winton, M.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2006-02
- Volume
- 33
- Issue
- 3
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2101239795
- Cited by
- 345
- References
- 0
- FWCI
- 4.56
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Winton, M. (2006). Amplified Arctic climate change: What does surface albedo feedback have to do with it? Geophysical Research Letters. https://doi.org/10.1029/2005gl025244
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
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.
