Publication: Tree-ring stable carbon isotope-based June–September maximum temperature reconstruction since AD 1788, north-west Thailand
Issued Date
2018-01-01
Resource Type
ISSN
16000889
02806509
02806509
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2-s2.0-85045141080
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Mahidol University
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SCOPUS
Bibliographic Citation
Tellus, Series B: Chemical and Physical Meteorology. Vol.70, No.1 (2018)
Suggested Citation
Paramate Payomrat, Yu Liu, Nathsuda Pumijumnong, Qiang Li, Huiming Song Tree-ring stable carbon isotope-based June–September maximum temperature reconstruction since AD 1788, north-west Thailand. Tellus, Series B: Chemical and Physical Meteorology. Vol.70, No.1 (2018). doi:10.1080/16000889.2018.1443655 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/45749
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Title
Tree-ring stable carbon isotope-based June–September maximum temperature reconstruction since AD 1788, north-west Thailand
Abstract
© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. The first study of tree-ring stable carbon isotopes in Thailand has demonstrated that stable carbon isotope in northwestern Thailand represents a promising proxy for the temperature reconstruction of core-monsoon periods. A tree-ring δ 13 C chronology was constructed based on four cores covering the period of 1788–2013. After removing the long-term decreasing trend reflecting atmospheric CO 2 concentrations, the ∆ 13 C chronology was able to capture both temperature and hydro-climate signals. ∆ 13 C chronology showed particularly strong and significant negative correlation (r = –0.62, p < 0.0001) with June–September maximum temperature (CRU TS 3.24). The maximum temperature was reconstructed, which explained 37.8% of the variance in the instrumental maximum temperatures over the period of 1901–2013. The maximum temperature reconstruction revealed that four cooler and three warmer periods, as well as a slightly increasing temperature trend, occurred during the late seventeenth to mid-eighteenth centuries, which were followed by severe temperature fluctuations during the twentieth century century. While the sea surface temperature anomaly in the Indian Ocean might not affect the maximum temperature, its unstable relationship with the El Niño-Southern Oscillation (ENSO) was detected. In addition, a close relationship was observed between the maximum temperature and ENSO during the negative phase of the Pacific Decadal Oscillation (PDO), but this relationship was lost during the positive phase of the PDO.