气候变化领域集成服务门户(CCPortal): Changes in annual accumulation retrieved from Geladaindong ice core and its relationship to atmospheric circulation over the Tibetan Plateau

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DOI	10.1007/s11434-007-0439-y
	Changes in annual accumulation retrieved from Geladaindong ice core and its relationship to atmospheric circulation over the Tibetan Plateau
	Zhang YongJun; Kang ShiChang; Qin DaHe; Grigholm, Bjorn; Mayewski, Paul A.
发表日期	2007
ISSN	1001-6538
EISSN	1861-9541
起始页码	3261
结束页码	3266
卷号	52 期号:23
英文摘要	Annual accumulation records covering 1935 to 2004 were reconstructed using Geladaindong ice core in the source of Yangtze River. A significant positive correlation between annual accumulation and precipitation from nearby meteorological stations was found, suggesting ice core accumulation could be taken as a precipitation proxy in the region. In the past 70 years, precipitation in the Geladaindong region was low from 1930s to early 1960s, and the lowest value occurred in the later 1950s. Since 1960s, precipitation increased dramatically and reached the maximum around 1980s, then decreased slightly in 1990s. By using Mann-Kendall rank statistical test method, a change point for precipitation was determined in 1967. Analysis of the atmospheric circulation over the Tibetan Plateau suggested that, compared with the southwest wind during the low precipitation period (before 1967), it extended about 2 latitudes northward during high precipitation period (after 1967). Moreover, during the high precipitation, the trough over the Bal Karshi Lake was also enhanced, and both the meridional wind and vapor transporting displayed a remarkable aggrandizement.
关键词	GLACIER VARIATIONS TEMPERATURE DELTA-O-18 RECORDS
英文关键词	Geladaindong ice core; accumulation; atmospheric circulation; change point
学科领域	Science & Technology - Other Topics
语种	英语
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000251407900015
来源期刊	CHINESE SCIENCE BULLETIN
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/111472
推荐引用方式 GB/T 7714	Zhang YongJun,Kang ShiChang,Qin DaHe,et al. Changes in annual accumulation retrieved from Geladaindong ice core and its relationship to atmospheric circulation over the Tibetan Plateau[J]. 中国科学院青藏高原研究所,2007,52(23).
APA	Zhang YongJun,Kang ShiChang,Qin DaHe,Grigholm, Bjorn,&Mayewski, Paul A..(2007).Changes in annual accumulation retrieved from Geladaindong ice core and its relationship to atmospheric circulation over the Tibetan Plateau.CHINESE SCIENCE BULLETIN,52(23).
MLA	Zhang YongJun,et al."Changes in annual accumulation retrieved from Geladaindong ice core and its relationship to atmospheric circulation over the Tibetan Plateau".CHINESE SCIENCE BULLETIN 52.23(2007).