The DOI matches its Crossref record.
The Impact of a Changing Southern Hemisphere Annular Mode on Antarctic Peninsula Summer Temperatures
Open accessAbstract
Since the mid-1960s, rapid regional summer warming has occurred on the east coast of the northern Antarctic Peninsula, with near-surface temperatures increasing by more than 2°C. This warming has contributed significantly to the collapse of the northern sections of the Larsen Ice Shelf. Coincident with this warming, the summer Southern Hemisphere Annular Mode (SAM) has exhibited a marked trend, suggested by modeling studies to be predominantly a response to anthropogenic forcing, resulting in increased westerlies across the northern peninsula. Observations and reanalysis data are utilized to demonstrate that the changing SAM has played a key role in driving this local summer warming. It is proposed that the stronger summer westerly winds reduce the blocking effect of the Antarctic Peninsula and lead to a higher frequency of air masses being advected eastward over the orographic barrier of the northern Antarctic Peninsula. When this occurs, a combination of a climatological temperature gradient across the barrier and the formation of a föhn wind on the lee side typically results in a summer near-surface temperature sensitivity to the SAM that is 3 times greater on the eastern side of the peninsula than on the west. SAM variability is also shown to play a less important role in determining summer temperatures at stations west of the barrier in the northern peninsula (∼62°S), both at the surface and throughout the troposphere. This is in contrast to a station farther south (∼65°S) where the SAM exerts little influence.
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Citations
Cited by
Stammerjohn, S. E., Martinson, D. G., Smith, R. C., Yuan, X., & Rind, D. (2008) · Journal of Geophysical Research: Oceans · doi:10.1029/2007jc004269 · Cited by 865
Absence of 21st century warming on Antarctic Peninsula consistent with natural variability
Turner, J., Lu, H., White, I., King, J. C., Phillips, T., Hosking, J. S., Bracegirdle, T. J., Marshall, G. J., Mulvaney, R., & Deb, P. (2016) · Nature · doi:10.1038/nature18645 · Cited by 772
Self-citationAntarctic climate change and the environment
Convey, P., Bindschadler, R., di Prisco, G., Fahrbach, E., Gutt, J., Hodgson, D. A., Mayewski, P. A., Summerhayes, C. P., Turner, J., & the ACCE Consortium (2009) · Antarctic Science · doi:10.1017/s0954102009990642 · Cited by 571
Antarctic climate change and the environment: an update
Turner, J., Barrand, N. E., Bracegirdle, T. J., Convey, P., Hodgson, D. A., Jarvis, M., Jenkins, A., Marshall, G., Meredith, M. P., Roscoe, H., et al. (2014) · Polar Record · doi:10.1017/s0032247413000296 · Cited by 558
Self-citationOverview of areal changes of the ice shelves on the Antarctic Peninsula over the past 50 years
Cook, A. J., & Vaughan, D. G. (2010) · The Cryosphere · doi:10.5194/tc-4-77-2010 · Cited by 469
Climate change and the marine ecosystem of the western Antarctic Peninsula
Clarke, A., Murphy, E. J., Meredith, M. P., King, J. C., Peck, L. S., Barnes, D. K. A., & Smith, R. C. (2007) · Philosophical Transactions of the Royal Society B: Biological Sciences · doi:10.1098/rstb.2006.1958 · Cited by 419
Self-citationState of the Antarctic and Southern Ocean climate system
Mayewski, P. A., Meredith, M. P., Summerhayes, C. P., Turner, J., Worby, A., Barrett, P. J., Casassa, G., Bertler, N. A. N., Bracegirdle, T., Naveira Garabato, A. C., et al. (2009) · Reviews of Geophysics · doi:10.1029/2007rg000231 · Cited by 393
Winter and spring controls on the summer food web of the coastal West Antarctic Peninsula
Saba, G. K., Fraser, W. R., Saba, V. S., Iannuzzi, R. A., Coleman, K. E., Doney, S. C., Ducklow, H. W., Martinson, D. G., Miles, T. N., Patterson-Fraser, D. L., et al. (2014) · Nature Communications · doi:10.1038/ncomms5318 · Cited by 318
Attribution of polar warming to human influence
Gillett, N. P., Stone, D. A., Stott, P. A., Nozawa, T., Karpechko, A. Y., Hegerl, G. C., Wehner, M. F., & Jones, P. D. (2008) · Nature Geoscience · doi:10.1038/ngeo338 · Cited by 275
Persistent extreme ultraviolet irradiance in Antarctica despite the ozone recovery onset
Cordero, R. R., Feron, S., Damiani, A., Redondas, A., Carrasco, J., Sepúlveda, E., Jorquera, J., Fernandoy, F., Llanillo, P., Rowe, P. M., et al. (2022) · Scientific Reports · doi:10.1038/s41598-022-05449-8 · Cited by 47
Metadata
- Authors
- Marshall, G. J., Orr, A., van Lipzig, N. P. M., & King, J. C.
- Venue
- Journal of Climate
- Publisher
- American Meteorological Society
- Published
- 2006-10-15
- Volume
- 19
- Issue
- 20
- Pages
- 5388-5404
- ISSN
- 0894-8755 (ISSN-L)
- 1520-0442
- OpenAlex
- W2036781078
- Cited by
- 363
- References
- 0
- FWCI
- 14.60
- Type
- journal article
- Language
- en
- Open access
- green
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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.
