The Academicians
Associate Professor
Special-Term Associate Professor
Professor of Engineering
Associate Senior Title
Location: home > Staff
Details of the Faculty or Staff
Xu Chenxi
Highest Education  
Subject Categories  
  Quarternary Geology
Zip Code  
  No.19 Beitucheng West Road, Chaoyang District, Beijing, 100029, China

Education and Appointments:
  • 2010-2013, Ph. D. Department of Earth and Environmental Sciences, Nagoya University.
  • 2007-2010, M.S. Institute of Geology and Geophysics, Chinese Academy of Sciences. Quarternary Geology
  • 2003-2007, B.S. Jilin University. Physical Geography.
Employment and Working experience:
  • 2015.12-present, Associate Professor, Institute of Earth Environment, Chinese Academy of Sciences, China.
  • 2015.01-present, Past Global Changes (PAGES) Asia 2k group, data manager
  • 2013-2015, Project Researcher, Research Institute for Humanity and Nature, Japan

Research Interests:
Tree ring and global changes
Public Services:


Global and Planetary Change, Outstanding Reviewer 2015

Supported Projects:
  • Principal Investigator, CAS Pioneer Hundred Talents Program, 2016-2017
  • Principal Investigator, Project of National Natural Science Foundation of China, Tree ring oxygen isotopes variations during the last 300 years in Yunnan and Myanmar and Southwest monsoon variability, 2017-2020


ORCID: 0000-0001-7747-0033


  1. Xu, C.*, Zhao, Q., An, W., Wang, S., Tan, N., Sano, M., ... & Guo, Z. (2021). Tree-ring oxygen isotope across monsoon Asia: Common signal and local influence. Quaternary Science Reviews, 269, 107156.
  2. Xu, C.*, Buckley, B. M., Wang, S. Y. S., An, W., Li, Z., Nakatsuka, T., & Guo, Z. (2021). Oxygen isotopes in tree rings from Greenland: a new proxy of NAO. Atmosphere, 12(1), 39.
  3. Xu, C*., Zhu, H., Wang, S. Y. S., Shi, F., An, W., Li, Z., ... & Guo, Z. (2021). Onset and maturation of Asian summer monsoon precipitation reconstructed from intra-annual tree-ring oxygen isotopes from the southeastern Tibetan Plateau. Quaternary Research, 103, 139-147.
  4. Nguyen, H. T., Galelli, S., Xu, C., Buckley, B. M. (2021). Multi-Proxy, Multi-Season Streamflow Reconstruction With Mass Balance Adjustment. Water Resources Research, 57(8), e2020WR029394.
  5. Wang, X., Xie, F., Zhang, Z., Liess, S., Fang, K., Xu, C., & Shi, F. (2021). Complex network of synchronous climate events in East Asian tree-ring data. Climatic Change, 165(3), 1-14.


  1. Shi, S., Shi, J., Xu, C., Leavitt, S. W., Wright, W. E., Cai, Z., Zhang, W. (2020). Tree-ring δ18O from Southeast China reveals monsoon precipitation and ENSO variability. Palaeogeography, Palaeoclimatology, Palaeoecology, 558, 109954.
  2. Nakatsuka, T., Sano, M., Li, Z., Xu, C., Tsushima, A., Shigeoka, Y., ... & Higami, N. (2020). A 2600-year summer climate reconstruction in central Japan by integrating tree-ring stable oxygen and hydrogen isotopes. Climate of the Past, 16(6), 2153-2172.
  3. Zaw, Z., Fan, Z. X., Brauning, A., Xu, C. X., Liu, W. J., Gaire, N. P., ... & Than, K. Z. (2020). Drought Reconstruction Over the Past Two Centuries in Southern Myanmar Using Teak Tree-Rings: Linkages to the Pacific and Indian Oceans. Geophysical Research Letters, 47(10), e2020GL087627.
  4. Fan, J., Wei, X., Shi, W., Guo, Q., Zhang, S., Xu, H., Song, H., Xu, C., An, W., Jiang, H. (2020). Response of tree rings to earthquakes during the past 350 years at Jiuzhaigou in the eastern Tibet. Science of The Total Environment, 138714.


  1. Xu, C., B. Buckley, P. Promchote, S. Wang, N. Pumijumnong, W. An, M. Sano, T. Nakatsuka, Z. Guo, (2019) Increased variability of Thailand's Chao Phraya River peak season flow and its association with ENSO variability: Evidence from tree ring δ18O. Geophysical Research Letters, 46.
  2. Xu C., H. Zhu, T. Nakatsuka, M. Sano, Z. Li, F. Shi, E. Liang, Z. Guo, (2019) Sampling strategy and climatic implication of tree-ring cellulose oxygen isotopes of Hippophae tibetana and Abies georgei on the southeastern Tibetan Plateau. International Journal of Biometeorology, 63, 697-686
  3. Xu C., J. Shi, Y. Zhao, T. Nakatsuka, M. Sano, S. Shi, Z. Guo, (2019) Early summer precipitation in the lower Yangtze River basin for AD 1845-2011 based on tree-ring cellulose oxygen isotopes, Climate Dynamics, 52:1583-1594
  4. Xu C., W. An, S. Wang, L. Yi, J. Ge, T. Nakatsuka, M. Sano, Z. Guo, (2019) Increased drought events in southwest China revealed by tree ring oxygen isotopes and potential role of Indian Ocean Dipole, Science of the Total Environment, 661, 645-653.
  5. An W., C. Xu, X. Liu, N. Tan, M. Sano, M. Li, X. Shao, T. Nakatsuka, Z. Guo, (2019) Specific response of earlywood and latewood δ18O from the east and west of Mt. Qomolangma to the Indian summer monsoon. Science of the Total Environment, 689, 99-108.
  6. Gavrilov M., W. An, C. Xu, M. Radakovic, Q. Hao, F. Yang, Z. Guo, Z. Peric, G. Gavrilov, S. Markovic, (2019) Independent Aridity and Drought Pieces of Evidence Based on Meteorological Data and Tree Ring Data in Southeast Banat, Vojvodina, Serbia. Atmosphere, 10, 586, doi:10.3390/atmos10100586.


  1. Xu C., N. Pumijumnong, T. Nakatsuka, M. Sano, Z. Guo, (2018) Inter-annual and multi-decadal variability of monsoon season rainfall in central Thailand during the period 1804–1999, as inferred from tree ring oxygen isotopes, International Journal of Climatology, 38, 5766-5776.
  2. Xu C., M. Sano, A. Dimri, R. Ramesh, T. Nakatsuka, F. Shi, Z. Guo, (2018) Decreasing Indian summer monsoon on the northern Indian sub-continent during the last 180 years: evidence from five tree-ring cellulose oxygen isotope chronologies, Climate of the Past, 14, 653–664.


  1. Xu C., X. Shao, W. An, T. Nakatsuka, Y. Zhang, M. Sano, Z. Guo, (2017) Negligible local-factor influences on tree ring cellulose 18O of Qilian juniper in the eastern Tibetan Plateau, Tellus B, In press.
  2. Sano M., A. Dimri, R. Ramesh, Z. Li, C. Xu, T. Nakatsuka, (2017) Moisture source signals preserved in a 242-year tree-ring δ18O chronology in the western Himalaya, Global and Planetary Change 157, In press.
  3. PAGES2k Consortium, (2017), A global multiproxy database for temperature reconstructions of the Common Era, Scientific Data, 4:170088 | DOI: 10.1038/sdata.2017.88.
  4. Xu C., H. Zhu, T. Nakatsuka, M. Sano, Z. Li, F. Shi, E. Liang, Z. Guo, (2017) Sampling strategy and climatic implication of tree-ring cellulose oxygen isotopes of Hippophae tibetana and Abies georgei on the southeastern Tibetan Plateau. International Journal of Biometeorology, doi: 10.1007/s00484-017-1365-6


  1. Xu C., J. Ge, T. Nakatsuka, L. Yi, H. Zheng, M. Sano, (2016) Potential utility of tree ring δ18O series for reconstructing precipitation records from the lower reaches of the Yangtze River, southeast China. Journal of Geophysical Research, 121, doi:10.1002/2015JD023610.
  2. Xu C., H. Zheng, T. Nakatsuka, M. Sano, Z. Li, (2016) Inter- and intra-annual tree-ring cellulose oxygen isotope variability in response to precipitation in Southeast China. Trees, 30:785–794, doi: 10.1007/s00468-015-1320-2
  3. Shi F., K. Fang, C. Xu, Z. Guo, H. P. Borgaonkar, (2016). Interannual to centennial variability of the south asian summer monsoon over the past millennium. Climate Dynamics, 1-12.


  1. Xu C., N. Pumijumnong, T. Nakatsuka, M. Sano, Z. Li, (2015) A tree-ring cellulose δ18O-based July–October precipitation reconstruction since AD 1828, northwest Thailand. Journal of Hydrology, 529433-441. doi:10.1016/j.jhydrol.2015.02.037
  2. Feng Shi, Quansheng Ge, Bao Yang, Jianping Li, Fengmei Yang, Fredrik Charpentier Ljungqvist, Olga Solomina, Takeshi Nakatsuka, Ninglian Wang, Sen Zhao, Chenxi Xu, Keyan Fang, Masaki Sano, Guoqiang Chu, Zexin Fan, Narayan P. Gaire, Muhammad Usama Zafar, (2015) A multi-proxy reconstruction of spatial and temporal variations in Asian summer temperatures over the last millennium. Climate change, doi: 10.1007/s10584-015-1413-3 ·


  1. Xu C., M. Sano, K. Yoshimura, T. Nakatsuka, (2014) Oxygen isotopes as a valuable tool for measuring annual growth in tropical trees that lack distinct annual rings, Geochemical Journal, 48, 371-378, 2014.


  1. Xu, C., H. Zheng, T. Nakatsuka, M. Sano, (2013) Oxygen isotope signatures preserved in tree-ring cellulose as a proxy for rainy season precipitation in southeast China, Journal of Geophysical Research, 118, 1–11, doi:10.1002/2013JD019803.
  2. Xu, C., M. Sano, T. Nakatsuka, (2013) A 400-year hydroclimate variability and local ENSO history in northern Southeast Asia inferred from tree-ring δ18O, Palaeogeography, Palaeoclimatology, Palaeoecology, 386, 588-598.
  3. Sano, M., P. Tshering, J. Komori, K. Fujita, C. Xu, and Takeshi Nakatsuka, (2013) Summer precipitation for the Bhutan Himalaya since 1743 CE as reconstructed from oxygen isotope ratios in tree ring cellulose, Journal of Geophysical Research, 118, 8399–8410, doi:10.1002/jgrd.50664, 2013


  1. Sano, M., C. Xu, and T. Nakatsuka, (2012) A 300-year Vietnam hydroclimate and ENSO variability record reconstructed from tree ring δ18O, Journal of Geophysical Research, 117, D12115, 1-11, 2012
  2. Sano, M., C. Xu, T. Nakatsuka, (2012) Monsoon reconstruction in subtropical Asia from oxygen isotope ratios of tree-ring cellulose. PAGES newsletter, 20(2):72-73
  3. Edward R. Cook, Paul J. Krusic, Kevin J. Anchukaitis, Brendan M. Buckley, Takeshi Nakatsuka, Masaki Sano, PAGES Asia2k Members (Moinuddin Ahmed, Hemant Borgaonkar, Xu Chenxi, Guoqiang Chu, Zexin Fan, Narayan Gaire, Quansheng Ge, Katsuhiko Kimura, Jonathan Palmer, Tatyana Papina, Margit Schwikowski, Xuemei Shao, Feng Shi, Olga Solomina, Zafer Usama, Koh Yasue, Masumi Zaiki, Kan Zhao, and Jingyun Zheng) (2012), Tree-ring reconstructed summer temperature anomalies for temperate East Asia since 800 C.E., Climate Dynamics, 1-16


  1. Xu, C., M. Sano, T. Nakatsuka (2011), Tree-ring cellulose δ18O of Fokienia hodginsii in Northern Laos: a promising proxy to reconstruct ENSO, Journal of Geophysical Research, 116, D24109, 1-12.
  2. 许晨曦, 郝青振, 杨石岭, 赵淑君, 周鑫, 葛俊逸, 肖国桥. (2011) 黄土高原东南部黄土记录的全新世东亚季风变化.地质力学学报,17(2):175-184
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