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dc.contributor.authorKanokrat Buarealen_US
dc.contributor.authorSupaporn Buajanen_US
dc.contributor.authorSineenart Preechamarten_US
dc.contributor.authorChotika Muangsongen_US
dc.contributor.authorNathsuda Pumijumnongen_US
dc.contributor.otherFaculty of Environment and Resource Studies, Mahidol Universityen_US
dc.contributor.otherMahidol Universityen_US
dc.identifier.citationApplied Environmental Research. Vol.42, No.1 (2020), 85-100en_US
dc.description.abstract© 2020, Chulalongkorn University - Environmental Research Institute. All rights reserved. Teak ring-width is one of the promising paleoclimate proxies in the tropical region. Tree-ring chronology spanning from 1840 to 2016 (177 years) was derived from 76 trees from Phrae Province, northern Thailand. A total of 141 core samples were cross-dated, a standardized master was constructed, and the tree residual master chronology was developed by ARSTAN program. The tree-ring chronology has a significant positive correlation with the monthly rainfall and relative humidity during the monsoon season (May–June). In addition, the growth of tree-ring width also significantly inversely correlated with Niño 3, Niño 3.4, and Niño 4 indices during the second half of the dry season (January–March). We reconstructed summer monsoon season (May–June) rainfall based on a linear regression model which explained 21.95% of the actual rainfall variance. The trend of the reconstructed rainfall record shows a decrease of 0.6 mm per decade and substantially showed four wet periods and five dry periods. These results suggest that this teak chronology has a good potential to be a high-resolution proxy for reconstructing the past local climate in northern Thailand.en_US
dc.rightsMahidol Universityen_US
dc.subjectEnvironmental Scienceen_US
dc.titleA 177 years extended of teak chronology revealing to the climate variability in phrae province, northern of thailanden_US
Appears in Collections:Scopus 2020

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