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	Meteorological and glaciological evidence for different climatic variations on the east and west sides of the Lambert Glacier basin, Antarctica
	Xiao, CD; Allison, I; Ren, JW; Qin, DH; Zhang, MJ; Li, ZQ
发表日期	2004
ISSN	0260-3055
起始页码	188
结束页码	194
卷号	39
英文摘要	Surface mass-balance studies and climatic records from firn cores show remarkable differences between the east and west sides of the Lambert Glacier basin (LGB). The spatial distribution of the surface accumulation is influenced by the atmospheric moisture flux, and by the surface wind field, which is largely determined by topography. Atmospheric water-vapor budget data for the ice-sheet sector covering the basin (45-90 degrees E) show that on the east side of the LGR the moisture flux is poleward, averaging 18 kg m(-1)s(-1) in 1988, while for the west side it is Equatorward, averaging 5 kg m(-1)s(-1). A similar pattern, but with much lower transport of vapor flux, is seen across 70 degrees S. Two firn cores from the east side of the basin and two from the west side were analyzed to determine accumulation-rate and temperature-proxy variations for the past 50 years. The trends were opposite on the different sides of the basin. Similar opposing trends are seen in meteorological records from Davis and Mawson coastal stations, situated on the east and west sides of the LGB respectively. There is a good correlation between the accumulation/O-18 record in ice cores from the eastern LGB and the sea-level pressure (obtained from the US National Centers for Environmental Prediction/US National Center for Atmospheric Research (NCEP/NCAR) re-analyses) of a Southern Indian Ocean low (SIOL), but not between the SIOL and the records from the western LGB. This study reveals that variations in local circulation could alter at least the annual to decadal time-scale climate records, and may result in completely different climate histories between adjacent areas.
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
来源期刊	ANNALS OF GLACIOLOGY, VOL 39, 2004
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/158720
作者单位	Xiao, CD (corresponding author), Chinese Acad Meteorol Sci, 46 Zhongguancun S Ave, Beijing 100081, Peoples R China.
推荐引用方式 GB/T 7714	Xiao, CD,Allison, I,Ren, JW,et al. Meteorological and glaciological evidence for different climatic variations on the east and west sides of the Lambert Glacier basin, Antarctica[J],2004,39.
APA	Xiao, CD,Allison, I,Ren, JW,Qin, DH,Zhang, MJ,&Li, ZQ.(2004).Meteorological and glaciological evidence for different climatic variations on the east and west sides of the Lambert Glacier basin, Antarctica.ANNALS OF GLACIOLOGY, VOL 39, 2004,39.
MLA	Xiao, CD,et al."Meteorological and glaciological evidence for different climatic variations on the east and west sides of the Lambert Glacier basin, Antarctica".ANNALS OF GLACIOLOGY, VOL 39, 2004 39(2004).