Arid
DOI10.1017/S0954102009001989
Study of surface energy and mass balance at the edge of the Antarctic ice sheet during summer in Dronning Maud Land, East Antarctica
Gusain, H. S.; Singh, K. K.; Mishra, V. D.; Srivastava, P. K.; Ganju, A.
通讯作者Gusain, H. S.
来源期刊ANTARCTIC SCIENCE
ISSN0954-1020
出版年2009
卷号21期号:4页码:401-409
英文摘要

This study estimates energy and mass balance at the edge of the Antarctic ice sheet close to a non-glaciated area. An automatic weather station was installed on the ice sheet, near all ice free area of Schirmacher Oasis in Dronning Maud Land, East Antarctica. Hourly snow-meteorological parameters were recorded and observed during the summer of the year 2007-08. Hourly radiative and turbulent energy fluxes were estimated at the ice surface. An ultrasonic sensor was used to measure accumulation or ablation at the glacier Surface. Ground Penetrating Radar was also used to measure the changes in ice thickness at the observation point. The net radiative flux was the main heat source and the latent heat flux was the main heat sink for the ice sheet with seasonal average values Of 98 W m(-2) and -86.7 W m(-2) respectively. There was a high ablation rate for the ice sheet near the non-glaciated area with a seasonal mean of 0.0172 m w.e. per day. Over the period 10 November 2007-7 February 2008 the mass balance was -1.53 in w.e. Good correlation (r(2) = 0.97) was observed between estimated and observed hourly ablation of the glacier. Sublimation and melt processes contributed 16.5% and 83.5% respectively to the net summer ablation.


英文关键词net radiative flux non-glaciated area Schirmacher Oasis turbulent fluxes
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000268081200009
WOS关键词HAUT-GLACIER-DAROLLA ; KING-GEORGE-ISLAND ; BLUE-ICE ; TAYLOR VALLEY ; AREA ; SWITZERLAND ; PENINSULA ; RADIATION ; CYCLE ; SNOW
WOS类目Environmental Sciences ; Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Environmental Sciences & Ecology ; Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/159737
作者单位Snow & Avalanche Study Estab, Manali, India
推荐引用方式
GB/T 7714
Gusain, H. S.,Singh, K. K.,Mishra, V. D.,et al. Study of surface energy and mass balance at the edge of the Antarctic ice sheet during summer in Dronning Maud Land, East Antarctica[J],2009,21(4):401-409.
APA Gusain, H. S.,Singh, K. K.,Mishra, V. D.,Srivastava, P. K.,&Ganju, A..(2009).Study of surface energy and mass balance at the edge of the Antarctic ice sheet during summer in Dronning Maud Land, East Antarctica.ANTARCTIC SCIENCE,21(4),401-409.
MLA Gusain, H. S.,et al."Study of surface energy and mass balance at the edge of the Antarctic ice sheet during summer in Dronning Maud Land, East Antarctica".ANTARCTIC SCIENCE 21.4(2009):401-409.
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