期刊
CRYOSPHERE
卷 10, 期 6, 页码 2603-2609出版社
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/tc-10-2603-2016
关键词
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资金
- Australasian Antarctic Expedition
- Australian Research Council [FL100100195, FT120100004, DP130104156]
- University of New South Wales
- CSIRO
- Institute for Marine and Antarctic Studies (University of Tasmania) through the Quantitative Marine Science PhD Program
- Australian Research Council [FT120100004] Funding Source: Australian Research Council
The dramatic calving of the Mertz Glacier tongue in 2010, precipitated by the movement of iceberg B09B, reshaped the oceanographic regime across the Mertz Polynya and Commonwealth Bay, regions where high-salinity shelf water (HSSW) - the precursor to Antarctic bottom water (AABW) - is formed. Here we present post-calving observations that suggest that this reconfiguration and subsequent grounding of B09B have driven the development of a new polynya and associated HSSW production off Commonwealth Bay. Supported by satellite observations and modelling, our findings demonstrate how local icescape changes may impact the formation of HSSW, with potential implications for large-scale ocean circulation.
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