Articles | Volume 16, issue 2
The Cryosphere, 16, 471–487, 2022
https://doi.org/10.5194/tc-16-471-2022
The Cryosphere, 16, 471–487, 2022
https://doi.org/10.5194/tc-16-471-2022
Research article
09 Feb 2022
Research article | 09 Feb 2022

Weddell Sea polynya analysis using SMOS–SMAP apparent sea ice thickness retrieval

Alexander Mchedlishvili et al.

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Cited articles

Bersch, M., Becker, G. A., Frey, H., and Koltermann, K. P.: Topographic effects of the Maud Rise on the stratification and circulation of the Weddell Gyre, Deep-Sea Res., 39, 303–331, https://doi.org/10.1016/0198-0149(92)90111-6, 1992. a
Campbell, E. C., Wilson, E. A., Moore, G. W. K., Riser, S. C., Brayton, C. E., Mazloff, M. R., and Talley, L. D.: Antarctic offshore polynyas linked to Southern Hemisphere climate anomalies, Nature, 570, 319–325, https://doi.org/10.1038/s41586-019-1294-0, 2019. a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w
Carsey, F.: Microwave Observation of the Weddell Polynya, Mon. Weather Rev., 108, 2032–2044, https://doi.org/10.1175/1520-0493(1980)108<2032:MOOTWP>2.0.CO;2, 1980. a, b
Cheon, W. G. and Gordon, A. L.: Open-ocean polynyas and deep convection in the Southern Ocean, Sci. Rep.-UK, 9, 6935, https://doi.org/10.1038/s41598-019-43466-2, 2019. a, b, c, d, e, f, g, h, i
Cheon, W. G., Lee, S.-K., Gordon, A. L., Liu, Y., Cho, C.-B., and Park, J. J.: Replicating the 1970s' Weddell Polynya using a coupled ocean-sea ice model with reanalysis surface flux fields, Geophys. Res. Lett., 42, 5411–5418, https://doi.org/10.1002/2015GL064364, 2014a. a
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Short summary
In this paper we show that the activity leading to the open-ocean polynyas near the Maud Rise seamount that have occurred repeatedly from 1974–1976 as well as 2016–2017 does not simply stop for polynya-free years. Using apparent sea ice thickness retrieval, we have identified anomalies where there is thinning of sea ice on a scale that is comparable to that of the polynya events of 2016–2017. These anomalies took place in 2010, 2013, 2014 and 2018.