globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85060686649
论文题名:
Responses of sub-ice platelet layer thickening rate and frazil-ice concentration to variations in ice-shelf water supercooling in McMurdo Sound, Antarctica
作者: Cheng C.; Jenkins A.; Holland P.R.; Wang Z.; Liu C.; Xia R.
刊名: Cryosphere
ISSN: 19940416
出版年: 2019
卷: 13, 期:1
起始页码: 265
结束页码: 280
语种: 英语
英文摘要: Persistent outflow of supercooled ice-shelf water (ISW) from beneath McMurdo Ice Shelf creates a rapidly growing sub-ice platelet layer (SIPL) with a unique crystallographic structure under the sea ice in McMurdo Sound, Antarctica. A vertically modified frazil-ice-laden ISW plume model that encapsulates the combined non-linear effects of the vertical distributions of supercooling and frazil concentration on frazil-ice growth is applied to McMurdo Sound and is shown to reproduce the observed ISW supercooling and SIPL distributions. Using this model, the dependence of the SIPL thickening rate and depth-averaged frazil-ice concentration on ISW supercooling in McMurdo Sound is investigated and found to be predominantly controlled by the vertical distribution of frazil concentration. The complex dependence on frazil concentration highlights the need to improve frazil-ice observations within the sea-ice-ocean boundary layer in McMurdo Sound. © 2019 Author(s).
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122684
Appears in Collections:气候变化事实与影响

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作者单位: Polar Climate System and Global Change Laboratory, Nanjing University of Information Science and Technology, Nanjing, 210044, China; British Antarctic Survey, Cambridge, CB3 0ET, United Kingdom; School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing, 210044, China; College of Oceanography, Hohai University, Nanjing, 210098, China

Recommended Citation:
Cheng C.,Jenkins A.,Holland P.R.,et al. Responses of sub-ice platelet layer thickening rate and frazil-ice concentration to variations in ice-shelf water supercooling in McMurdo Sound, Antarctica[J]. Cryosphere,2019-01-01,13(1)
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