The salinity budget of the Ross Sea continental shelf, Antarctica ...

• Main Authors: Yan, Liangjun, Wang, Zhaomin, Liu, Chengyan, Qin, Qing, Qian, Jiangchao
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: GFZ German Research Centre for Geosciences 2023
• Subjects: Ross Sea; Terra Nova Bay; Western Shelf; Antarc*; Antarctica; Ice Shelf; Sea ice
• Online Access: https://dx.doi.org/10.57757/iugg23-0284; https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016194

<!--!introduction!--> Towards understanding the trend and variability in the bottom water salinity in the Ross Sea, this study focuses on the seasonality of the salinity budget over the Ross Sea continental shelf, using a new coupled regional ocean-sea ice-ice shelf model. Owing to the sea ice production, the upstream advection, and the glacial melting, the Ross Sea continental shelf is characterized by the relatively saltier water on the western shelf than on the eastern shelf, with the saltiest water in the Terra Nova Bay Polynya. During the early freezing season (March-April), there is a remarkable sea ice production over the broad continental shelf, which makes a significant contribution to the production of High Salinity Shelf Water (HSSW). The brine rejection in the polynyas leads to the salinification and deepening of the mixed layer, yet the upstream advection acts to decrease the salinity below the mixed layer until the deep convection is fully developed throughout the water column. The ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ...