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引用本文:周陆生,杨卫东.青海湖流域近六百年来的气候变化与湖水位下降原因.湖泊科学,1992,4(3):25-31. DOI:10.18307/1992.0304
Zhou Lusheng,Yang Weidong.Discussion of the climatic change in recent 600 years and dropping of lake water-level, Qinghai Lake drainage basin. J. Lake Sci.1992,4(3):25-31. DOI:10.18307/1992.0304
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青海湖流域近六百年来的气候变化与湖水位下降原因
周陆生, 杨卫东
青海省气象局, 西宁81000l
摘要:
根据青海湖流域及其邻近地区树木年轮资料重建的历史时期气候资料序列,给出了流域近六百年来的主要冷、暖、干、湿期,并对器测时期的气候变化趋势作了分析。指出,近百年来气候暖干化是造成湖水位下降的主要原因;对于湖水位年际变化与前期降水影响系统、不同气候类型以及地面气象要素的关系作了统计分析。
关键词:  青海湖流域  树本年轮  气候变化
DOI:10.18307/1992.0304
分类号:
基金项目:
Discussion of the climatic change in recent 600 years and dropping of lake water-level, Qinghai Lake drainage basin
Zhou Lusheng, Yang Weidong
Meteorological Bureau of Qinghai Province, Xining 810001
Abstract:
The historical climatic data sequence is reconstructed on the basis of tree ring data of Qinghai Lake Basin and neighbouring areas.In this paper four main periods (cold,warm,dry and wet) of the lake basin in the past 600 years are given and the climatic trend is predicted.It appears that the lake water-level falling is mainly caused by the warm-dry climatic tendency in recent 100 years.In addition.the relationships between the annual variation of the lake water level, the weather systems affecting antecedent precipitation.various climatic patterns and land surface meteorological elements are analyzed by means of statistical method.
Key words:  Qinghai Lake drainage basin  tree ring  climatic change
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