The impact of non-breaking surface waves in upper-ocean temperature simulations of the Last Glacial Maximum.

Wang, Shizhu , Gong, Xun , Qiao, Fangli , Gowan, Evan J , Streffing, Jan and Lohmann, Gerrit (2021) The impact of non-breaking surface waves in upper-ocean temperature simulations of the Last Glacial Maximum. Open Access Environmental Research Letters, 16 (3). Art.Nr. 034008. DOI 10.1088/1748-9326/abe14e.

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Abstract

Widespread mismatches between proxy-based and modelling studies of the Last Glacial Maximum (LGM) has limited better understanding about interglacial-glacial climate change. In this study, we incorporate non-breaking surface waves (NBW) induced mixing into an ocean model to assess the potential role of waves in changing a simulation of LGM upper oceans. Our results show a substantial 40 m subsurface warming introduced by surface waves in LGM summer, with larger magnitudes relative to the present-day ocean. At the ocean surface, according to the comparison between the proxy data and our simulations, the incorporation of the surface wave process into models can potentially decrease the model-data discrepancy for the LGM ocean. Therefore, our findings suggest that the inclusion of NBW is helpful in simulating glacial oceans.

Document Type: Article
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1088/1748-9326/abe14e
ISSN: 1748-9326
Projects: PalMod
Date Deposited: 25 Feb 2021 13:40
Last Modified: 25 Feb 2021 13:40
URI: http://oceanrep.geomar.de/id/eprint/51953

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