DOI: 10.1002/2016GL071602
论文题名: Effect of a sheared flow on iceberg motion and melting
作者: FitzMaurice A. ; Straneo F. ; Cenedese C. ; Andres M.
刊名: Geophysical Research Letters
ISSN: 0094-8310
EISSN: 1944-8041
出版年: 2016
卷: 43, 期: 24 起始页码: 12520
结束页码: 12527
语种: 英语
英文关键词: dynamics
; freshwater flux
; Greenland
; icebergs
; icebergs
; modeling
Scopus关键词: Climate models
; Dynamics
; Models
; Ocean currents
; Oceanography
; Parameterization
; Water
; Antarctic ice sheets
; Freshwater fluxes
; Global climate model
; Greenland
; icebergs
; Limited observations
; Ocean properties
; Parameterizing
; Sea ice
英文摘要: Icebergs account for approximately half the freshwater flux into the ocean from the Greenland and Antarctic ice sheets and play a major role in the distribution of meltwater into the ocean. Global climate models distribute this freshwater by parameterizing iceberg motion and melt, but these parameterizations are presently informed by limited observations. Here we present a record of speed and draft for 90 icebergs from Sermilik Fjord, southeastern Greenland, collected in conjunction with wind and ocean velocity data over an 8 month period. It is shown that icebergs subject to strongly sheared flows predominantly move with the vertical average of the ocean currents. If, as typical in iceberg parameterizations, only the surface ocean velocity is taken into account, iceberg speed and basal melt may have errors in excess of 60%. These results emphasize the need for parameterizations to consider ocean properties over the entire iceberg draft. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009754137&doi=10.1002%2f2016GL071602&partnerID=40&md5=c376b0b283b5fb36cc50842e6b0d1fc6
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9273
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Program in Atmospheric and Oceanic Sciences, Princeton University, Princeton, NJ, United States
Recommended Citation:
FitzMaurice A.,Straneo F.,Cenedese C.,et al. Effect of a sheared flow on iceberg motion and melting[J]. Geophysical Research Letters,2016-01-01,43(24).