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Tree-ring maximum latewood density reveals unprecedented warming and long-term summer temperature in the upper Indus Basin, northern Pakistan

被引：0
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作者：
Khan, Adam [1 ]
Chen, Feng [2 ,3 ,4 ]
Saleem, Sidra [5 ]
Chen, Youping [2 ]
Zhang, Heli [4 ]
Bakhtiyorov, Zulfiyor [2 ,3 ,6 ,7 ,8 ]
机构：
[1] Department of Botany, University of Lakki Marwat KP, Pakistan
[2] Yunnan Key Laboratory of International Rivers and Transboundary Eco-Security, Institute of International Rivers and Eco-Security, Yunnan University, Kunming, China
[3] Southwest United Graduate School, Kunming,650500, China
[4] Key Laboratory of Tree-ring Physical and Chemical Research of the Chinese Meteorological Administration / Xinjiang Laboratory of Tree-ring Ecology, Institute of Desert Meteorology, Chinese Meteorological Administration, Urumqi,830002, China
[5] Department of Botany, Abdul Wali Khan University Mardan KP, Pakistan
[6] Tree Ring Unit, Department of Geography, University of Cambridge, Cambridge,CB2 3EN, United Kingdom
[7] National Academy of Sciences of the Republic of Tajikistan, Dushanbe,734025, Tajikistan
[8] State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China Khujand Science Center, National Academy of Sciences of the Republic of Tajikistan, Khujand,735714, Tajikistan
来源：
Science of the Total Environment | 2024年 / 956卷
关键词：
Volcanoes;
D O I：
10.1016/j.scitotenv.2024.177393
中图分类号：
学科分类号：
摘要：
Understanding long-term temperature variability in the Upper Indus Basin (UIB), northern Pakistan, and its driving mechanisms is challenging due to the scarcity of long observational records and available literature. In this study, we reconstructed a 651-year (1370–2020 CE) warm-season (March–September) temperature record using the tree-ring maximum latewood density (MXD) of blue pine (Pinus wallichiana). The reconstruction explains 57 % of the variance in actual temperature during the common calibration period (1972–2020 CE). Our analysis identified ten high-temperature periods (temperature > 20.9 °C) and nineteen low-temperature periods (temperature © 2024 Elsevier B.V.
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