基于中国青藏高原中东部Sabina tibetica环宽年代学的4-9月最低气温重建

IF 3.4 2区 农林科学 Q1 FORESTRY
Teng Li, Jianfeng Peng, Tsun Fung Au, Jinbao Li
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引用次数: 0

摘要

最低气温对青藏高原高海拔地区的树木生长有显著影响,但长期和高分辨率古气候记录的缺乏阻碍了对近期最低气温异常的了解。本研究基于青藏高原中东部莲花山 Sabina tibetica 环宽年代学,重建了过去 467 年(1550-2016 年)的暖季(4 月-9 月)气候。确定了八个温暖期和八个寒冷期。长期最低气温的变化与附近的重建结果具有高度的一致性。我们的重建与全球海表温度之间的空间相关性表明,青藏高原中东部暖季最低气温异常受到大尺度海洋大气环流的强烈影响,如厄尔尼诺-南方涛动和大西洋多年涛动。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

April–September minimum temperature reconstruction based on Sabina tibetica ring-width chronology in the central eastern Tibetan Plateau, China

April–September minimum temperature reconstruction based on Sabina tibetica ring-width chronology in the central eastern Tibetan Plateau, China

Minimum temperatures have remarkable impacts on tree growth at high-elevation sites on the Tibetan Plateau, but the shortage of long-term and high-resolution paleoclimate records inhibits understanding of recent minimum temperature anomalies. In this study, a warm season (April–September) reconstruction is presented for the past 467 years (1550–2016) based on Sabina tibetica ring-width chronology on the Lianbaoyeze Mountain of the central eastern Tibetan Plateau. Eight warm periods and eight cold periods were identified. Long-term minimum temperature variations revealed a high degree of coherence with nearby reconstructions. Spatial correlations between our reconstruction and global sea surface temperatures suggest that warm season minimum temperature anomalies in the central eastern Tibetan Plateau were strongly influenced by large-scale ocean atmospheric circulations, such as the El Niño-Southern Oscillation and the Atlantic Multidecadal Oscillation.

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来源期刊
CiteScore
7.30
自引率
3.30%
发文量
2538
期刊介绍: The Journal of Forestry Research (JFR), founded in 1990, is a peer-reviewed quarterly journal in English. JFR has rapidly emerged as an international journal published by Northeast Forestry University and Ecological Society of China in collaboration with Springer Verlag. The journal publishes scientific articles related to forestry for a broad range of international scientists, forest managers and practitioners.The scope of the journal covers the following five thematic categories and 20 subjects: Basic Science of Forestry, Forest biometrics, Forest soils, Forest hydrology, Tree physiology, Forest biomass, carbon, and bioenergy, Forest biotechnology and molecular biology, Forest Ecology, Forest ecology, Forest ecological services, Restoration ecology, Forest adaptation to climate change, Wildlife ecology and management, Silviculture and Forest Management, Forest genetics and tree breeding, Silviculture, Forest RS, GIS, and modeling, Forest management, Forest Protection, Forest entomology and pathology, Forest fire, Forest resources conservation, Forest health monitoring and assessment, Wood Science and Technology, Wood Science and Technology.
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