Brief communication: Impacts of a developing polynya off Commonwealth Bay, East Antarctica, triggered by grounding of iceberg B09B

Fogwill, CJ; Van Sebille, E; Cougnon, EA; Turney, CSM; Rintoul, SR; Galton-Fenzi, BK; Clark, GF; Marzinelli, EM; Rainsley, EB; Carter, L

Brief communication: Impacts of a developing polynya off Commonwealth Bay, East Antarctica, triggered by grounding of iceberg B09B

Fogwill, CJ Van Sebille, E Cougnon, EA Turney, CSM Rintoul, SR Galton-Fenzi, BK Clark, GF Marzinelli, EM Rainsley, EB Carter, L

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Publisher:: COPERNICUS GESELLSCHAFT MBH
Publication Type:: Journal Article
Citation:: Cryosphere, 2016, 10, (6), pp. 2603-2609
Issue Date:: 2016-11-04

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Field	Value	Language
dc.contributor.author	Fogwill, CJ
dc.contributor.author	Van Sebille, E
dc.contributor.author	Cougnon, EA
dc.contributor.author	Turney, CSM
dc.contributor.author	Rintoul, SR
dc.contributor.author	Galton-Fenzi, BK
dc.contributor.author	Clark, GF
dc.contributor.author	Marzinelli, EM
dc.contributor.author	Rainsley, EB
dc.contributor.author	Carter, L
dc.date.accessioned	2022-08-16T06:55:08Z
dc.date.available	2022-08-16T06:55:08Z
dc.date.issued	2016-11-04
dc.identifier.citation	Cryosphere, 2016, 10, (6), pp. 2603-2609
dc.identifier.issn	1994-0416
dc.identifier.issn	1994-0424
dc.identifier.uri	http://hdl.handle.net/10453/160363
dc.description.abstract	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.
dc.language	English
dc.publisher	COPERNICUS GESELLSCHAFT MBH
dc.relation	http://purl.org/au-research/grants/arc/FL100100195
dc.relation	http://purl.org/au-research/grants/arc/DP130104156
dc.relation.ispartof	Cryosphere
dc.relation.isbasedon	10.5194/tc-10-2603-2016
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	0405 Oceanography, 0406 Physical Geography and Environmental Geoscience
dc.subject.classification	Meteorology & Atmospheric Sciences
dc.title	Brief communication: Impacts of a developing polynya off Commonwealth Bay, East Antarctica, triggered by grounding of iceberg B09B
dc.type	Journal Article
utslib.citation.volume	10
utslib.for	0405 Oceanography
utslib.for	0406 Physical Geography and Environmental Geoscience
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/DVC (Research)
utslib.copyright.status	open_access	*
dc.date.updated	2022-08-16T06:55:05Z
pubs.issue	6
pubs.publication-status	Published
pubs.volume	10
utslib.citation.issue	6

Abstract:

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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http://hdl.handle.net/10453/160363