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A 225-year pine (Pinus latteri) tree-ring record of pre-monsoon relative humidity variation in Nan province of northern Thailand and the linkage with large-scale ocean-atmospheric circulations
Pumijumnong, Nathsuda; Muangsong, Chotika1; Panthi, Shankar2; Buajan, Supaporn; Cai, Binggui3,4; Kulsuwan, Patticha1; Kongsombat, Prat1
2023
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
Volume230Issue:xPages:_
Abstract

Thailand is bounded by the Gulf of Thailand in the Pacific Ocean and the Andaman Sea in the Indian Ocean. Variations in the Thailand monsoon (TM) are strongly influenced by the El Nino-Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD) phenomenon. The climatology of Thailand is of great importance for un-derstanding seasonal responses to large-scale climatic variations and associated ocean-atmospheric forcing. This study presents the first longest reconstruction (1792-2016 CE) of March-May relative humidity (RH) based on the tree-ring width chronology of Pinus latteri trees from Nan province, northern Thailand. The growth of P. latteri was mainly limited by pre-monsoon RH variability (r = 0.773, p < 0.001, n = 66). The field spatial correlations with the gridded climate datasets demonstrated that the climatic signals retained in our reconstruction repre-sented regional climate variations. Extremely wet years were observed in 1879, 1887, 1908, 1929, 1942, 1974, and 2013 CE, whereas extremely dry years were found in 1795-1796, 1905, 1960, 1992, and 2010 CE. Spectral analysis and spatial correlation analysis revealed pre-monsoon RH variability in the northern Thailand is linked to large-scale ocean-atmospheric circulations, mainly ENSO and IOD activities due to sea surface temperatures variation in the Pacific and Indian Oceans. ENSO-related climate anomalies during the past 225 years were strongly associated in our reconstruction, of which a total of 63% extremely and abnormally wet years occurred during the La Nina events, whereas 59% of extremely and abnormally dry years corresponded to El Nino events. Our reconstruction indicated increasing extreme wet and dry events since 1900 CE attributed to ENSO activities, and thus provide useful insights to understand occurrence of extreme weather events in Thailand climatology.

KeywordElNino-Southern Oscillation (ENSO) Thailand Pinus latteri Tree rings Relative humidity reconstruction Climate change
Subject AreaPhysical Geography ; Geology
DOI10.1016/j.gloplacha.2023.104277
Indexed BySCI
Language英语
WOS IDWOS:001102714800001
Citation statistics
Document Type期刊论文
Identifierhttps://ir.xtbg.ac.cn/handle/353005/13883
Collection其他
Affiliation1.Mahidol Univ, Fac Environm & Resource Studies, Nakhon Pathom 73170, Thailand
2.Mahidol Univ, Innovat Social & Environm Management, Amnatcharoen Campus, Amnatcharoen 37000, Thailand
3.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
4.Fujian Normal Univ, Key Lab Humid Subtrop Ecogeog Proc, Minist Educ, Fuzhou 350007, Peoples R China
5.Fujian Normal Univ, Inst Geog, Fuzhou 350007, Peoples R China
Recommended Citation
GB/T 7714
Pumijumnong, Nathsuda,Muangsong, Chotika,Panthi, Shankar,et al. A 225-year pine (Pinus latteri) tree-ring record of pre-monsoon relative humidity variation in Nan province of northern Thailand and the linkage with large-scale ocean-atmospheric circulations[J]. GLOBAL AND PLANETARY CHANGE,2023,230(x):_.
APA Pumijumnong, Nathsuda.,Muangsong, Chotika.,Panthi, Shankar.,Buajan, Supaporn.,Cai, Binggui.,...&Kongsombat, Prat.(2023).A 225-year pine (Pinus latteri) tree-ring record of pre-monsoon relative humidity variation in Nan province of northern Thailand and the linkage with large-scale ocean-atmospheric circulations.GLOBAL AND PLANETARY CHANGE,230(x),_.
MLA Pumijumnong, Nathsuda,et al."A 225-year pine (Pinus latteri) tree-ring record of pre-monsoon relative humidity variation in Nan province of northern Thailand and the linkage with large-scale ocean-atmospheric circulations".GLOBAL AND PLANETARY CHANGE 230.x(2023):_.
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