RECONSTRUCTION OF JANUARY TO APRIL MEAN TEMPERATURE AT QINLING MTS FROM 1789 TO 1992 USING TREE RING CHRONOLOGIES

Liu Hongbin; Shao Xuemei

Vol.14, NO.2, 2003

Article Contents

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Liu Hongbin, Shao Xuemei. Reconstruction of January to April mean temperature at Qinling Mts from 1789 to 1992 using tree ring chronologies. J Appl Meteor Sci, 2003, 14(2): 188-196.

Citation:

Liu Hongbin, Shao Xuemei. Reconstruction of January to April mean temperature at Qinling Mts from 1789 to 1992 using tree ring chronologies. J Appl Meteor Sci, 2003, 14(2): 188-196.

Liu Hongbin, Shao Xuemei. Reconstruction of January to April mean temperature at Qinling Mts from 1789 to 1992 using tree ring chronologies. J Appl Meteor Sci, 2003, 14(2): 188-196.

Citation:

Liu Hongbin, Shao Xuemei. Reconstruction of January to April mean temperature at Qinling Mts from 1789 to 1992 using tree ring chronologies. J Appl Meteor Sci, 2003, 14(2): 188-196.

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RECONSTRUCTION OF JANUARY TO APRIL MEAN TEMPERATURE AT QINLING MTS FROM 1789 TO 1992 USING TREE RING CHRONOLOGIES

Liu Hongbin¹,
Shao Xuemei²

1.
National Climate Center, Beijing 100081
2.
nstitute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101

Received Date: 2002-04-15
Rev Recd Date: 2002-07-10
Publish Date: 2003-04-30

Abstract

Abstract

The mean temperature of January to April was reconstructed for the period of 1789 to 1992 using standard treering chronologies of Foping, Qinling, Shaanxi Province.The growth of Pinus tabulaeformis Carr., Abies chensiensis Van Tieghem and Tsuga chinensis Beisen at Muwangping, Guangtoushan, Sangebao and Sanguanmiao, whose altitudes are from 1500 to 2850 meters (a.s.l.), is significantly affected by the local January to April mean temperature.The correlation coefficient between the temperature series reconst ructed by the regression and the observation data is up to 0.60, with an equation confidence level of 0.01 and highly significant cross-verification testing parameters.A period of three to four years is found significant in the reconstructed series by the power spectrum method.The abrupt changes of standard deviation, in ten years scale, are detected around 1896 by means of the smoothing t Test, smoothing F Test and Lepage Test, apparing as the amplitude variation of temperature fluctuation.
- Climate change;
- Tree ring;
- Qinling Mountains;
- Temperature reconstruction

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References(25)

Figures and Tables

图 1 佛坪各月月平均气温和月降水量 (1957~1992年)

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图 2 重建值 (虚线) 与实测值 (实线) 比较 (1957~1992年)(b) 重建值序列 (1789~1992年)

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图 3 佛坪1~4月平均温度变化周期分析

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图 4 佛坪1~4月平均温度变化突变分析 (1798~1983年)(a) 滑动t检验, (b) 滑动F检验, (c) Lepage检验

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表 1 秦岭南坡佛坪地区树轮样点

表 2 佛坪地区树轮年表统计参数及共同区间分析

表 3 佛坪树轮年表与月平均温度间的相关函数及响应函数分析结果

表 4 佛坪1~4月平均温度重建结果统计参数比较

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