树轮宽度记录的塔吉克斯坦北部160 a平均最低气温变化

doi:10.13866/j.azr.2019.02.03

干旱区研究 ›› 2019, Vol. 36 ›› Issue (2): 290-295.doi: 10.13866/j.azr.2019.02.03

• 泛第三极环境与绿色丝路 • 上一篇下一篇

树轮宽度记录的塔吉克斯坦北部160 a平均最低气温变化

杨美琳¹, 他志杰^1,2, 吴燕良^1,2, 赵鹏^1,2, 于瑞德¹

1.中国科学院新疆生态与地理研究所荒漠环境研究室,新疆乌鲁木齐 830011;
2.中国科学院大学, 北京 100049

收稿日期:2018-11-12 修回日期:2018-12-27 发布日期:2025-10-18
通讯作者: 于瑞德. E-mail: ruideyu@ms.xjb.ac.cn
作者简介:杨美琳(1986-),女,博士,助理研究员,主要从事树木年轮气候学研究. E-mail: meilin_0606@163.com
基金资助:
中国科学院“西部青年学者”项目(2015-XBQN-B-22);自治区重点研发计划项目(2016B02017-4)

Tree-Ring-Based Reconstruction of Minimum Temperature in North Tajikistan in Recent 160 Years

YANG Mei-lin¹, TA Zhi-jie^1,2, WU Yan-liang^1,2, ZHAO Peng^1,2, YU Rui-de¹

1. Laboratory of Desert Environment,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences, Urumqi 830011,Xinjiang,China;
2. University of Chinese Academy of Sciences,Beijing 100049,China

Received:2018-11-12 Revised:2018-12-27 Online:2025-10-18

摘要/Abstract

摘要： 利用塔吉克斯坦北部土耳其斯坦圆柏(Juniperus turkestanica)树轮宽度标准化年表与区域气候要素进行相关分析,发现当年2—3月平均最低气温与树木径向生长存在显著相关关系。据此对该地区1857—2016年2—3月平均最低气温进行重建,重建方程的解释量为39.5%,调整自由度后的解释量为37.5%。研究表明:在过去160 a,该地区经历了6个偏暖阶段,1857—1878年、1885—1890年、1907—1915年、1926—1931年、1960—1967年、1994—2016年;5个偏冷阶段,1879—1884年、1891—1906年、1916—1925年、1932—1959年、1968—1993年。空间分析结果表明,研究区2—3月平均最低气温的重建结果可以代表塔吉克斯坦地区过去160 a的2—3月平均最低气温的变化。

关键词: 树木年轮宽度, 年表, 月平均最低气温, 土耳其斯坦圆柏(Juniperus turkestanica), 塔吉克斯坦

Abstract: The correlation analysis between the normalized tree-ring width chronology of Juniperus turkestanica and the regional climatic elements in northern Tajikistan showed that the mean minimum temperature in February and March of the same year was significantly correlated with the radial growth of trees. According to this,the average minimum temperature in the region from February to March,1857-2016 was reconstructed. The reconstruction equation could be used to explain 39.5% variation of the minimum temperature,and the interpretation amount after adjusting the degree of freedom was 37.5%. The results showed that,in recent 160 years,the study area experienced 6 high-temperature periods including the periods of 1857-1878,1885-1890,1907-1915,1926-1931,1960-1967 and 1994-2016,and 5 low-temperature periods including the periods of 1879-1884,1891-1906,1916-1925,1932-1959 and 1968-1993. According to the results of spatial correlation analysis,the reconstructed results of the minimum temperature in February and March could be used to represent the actual situation in north Tajikistan.

Key words: tree-ring width, chronology, monthly mean minimum temperature, Juniperus turkestanica, Tajikistan

杨美琳, 他志杰, 吴燕良, 赵鹏, 于瑞德. 树轮宽度记录的塔吉克斯坦北部160 a平均最低气温变化[J]. 干旱区研究, 2019, 36(2): 290-295.

YANG Mei-lin, TA Zhi-jie, WU Yan-liang, ZHAO Peng, YU Rui-de. Tree-Ring-Based Reconstruction of Minimum Temperature in North Tajikistan in Recent 160 Years[J]. Arid Zone Research, 2019, 36(2): 290-295.

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树轮宽度记录的塔吉克斯坦北部160 a平均最低气温变化

Tree-Ring-Based Reconstruction of Minimum Temperature in North Tajikistan in Recent 160 Years

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