Research Institute for Humanity and Nature

Staff Profile

NameNAKATSUKA Takeshi
Affiliation 
Position 
Arrival day2013-10-01
Leaving the office day 
Year of Birth1963

 

Papers

【Original Articles】

Chenxi Xu, Wenling An, S.-Y. Simon Wang, Liang Yi, Junyi Ge, Takeshi Nakatsuka, Masaki Sano, Zhengtang Guo 2019,01 Increased drought events in southwest China revealed by tree ring oxygen isotopes and potential role of Indian Ocean Dipole. Science of the Total Environment (661.0):645.0-653.0.

Uemura, R., M. Uemura, M. Sano, T. Nakatsuka 2018,11 A 180-year-long isotopic record of tree-ring cellulose on Okinawa Island, Japan.. Geochemical Journal.

Li, Q., Y. Liu, T. Nakatsuka, K. Fang, H. Song, R. Liu, C. Sun, G. Li, K. Wang 2018,10 East Asian Summer Monsoon moisture sustains summer relative humidity in the southwestern Gobi Desert, China: evidence from δ18O of tree rings.. Climate Dynamics :1.0-17.0. DOI:https://doi.org/10.1007/s00382-018-4515-6 1391663.0

Hisamochi, R., Watanabe, Y., Sano, M., Nakatsuka, T., Naoyuki Kurita, Miyuki Matsuo-Ueda, Hiroyuki Yamamoto, Suyako Tazuru, Junji Sugiyama 2018,12 Cellulose oxygen isotopic composition of teak (Tectona grandis) collected from Java Island: a tool for dendrochronological and dendroclimatological analysis.. Dendrochronologia(52):80-86. DOI:https://doi.org/10.1016/j.dendro.2018.09.010

Chenxi Xu, Nathsuda Pumijumnong, Takeshi Nakatsuka, Masaki Sano, Zhengtang Guo 2018,09 Inter-annual and multi-decadal variability of monsoon season rainfall in central Thailand during the period of 1804-1999-inferred from tree ring oxygen isotopes. International Journal of Climatology 38.0(15.0):5766.0-5776.0. DOI:doi.org/10.1002/joc.5859

Caceres, M.L.L.., S.Nakano, J.P.Ferrio, M.Hayashi, T. Nakatsuka.,M.Sano,Y.Yamanaka、Y.Nobori 2018,07 Evaluation of the effect of the 2011 Tsunami on coastal forests by means of multiple isotopic analyses of tree-rings.. Isotopes in Environmental and Health Studies . (reviewed). Article number: 15386

Nakai, W., N. Okada, M. Sano, T. Nakatsuka 2018,09 Sample preparation of ring-less tropical trees for δ18O measurement in isotope dendrochronology. TROPICS (27).

Nabeshima, E., T. Nakatsuka, A. Kagawa, T. Hiura, R. Funada 2018,06 Seasonal changes of δD and δ18O in tree-ring cellulose of Quercus crispula suggest a change in post-photosynthetic processes during earlywood growth. Tree Physiology, tpy068. DOI:https://doi.org/10.1093/treephys/tpy068

Xu, C., Sano, N., Ashok Priyadarshan Dimri, Rengaswamy Ramesh, Takeshi Nakatsuka, Feng Shi, and Zhengtang Guo 2018,05 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. DOI:https://doi.org/10.5194/cp-14-653-2018 (reviewed).

Xu, C., J. Shi, Y. Zhao, T. Nakatsuka, M. Sano, S. Shi, Z. Guo 2018,04 Early summer precipitation in the lower Yangtze River basin for AD 1845–2011 based on tree-ring cellulose oxygen isotopes. Climate Dynamics,. DOI:https://doi.org/10.1007/s00382-018-4212-5 (reviewed).

Yamada, R., Kariya, Y., Kimura, T., Sano, M., Li, Z., and Nakatsuka, T. 2018,03 Age determination on a catastrophic rock avalanche using tree-ring oxygen isotope ratios - The scar of a historical gigantic earthquake in the Southern Alps, central Japan. . Quaternary Geochronology 44.0:47.0-54.0. DOI:10.1016/j.quageo.2017.12.004. (reviewed).

Wataru Sakashita, Hiroko Miyahara, Yusuke Yokoyama, Takahiro Aze, Stephen P. Obrochta and Takeshi Nakatsuka 2017,12 Relationship between the Northern Paciic Gyre Oscillation and tree-ring cellulose oxygen isotopes in northeastern Japan.. Geoscience Letter (4). DOI:10.1186/s40562-017-0095-2 (reviewed).

Chenxi Xu, Xuemei Shao, Wenling An, Takeshi Nakatsuka, Yong Zhang, Masaki Sano and Zhengtang Guo 2017,11 Negligible local-factor influences on tree ring cellulose δ18O of Qilian juniper in the Animaqing Mountains of the eastern Tibetan Plateau. Chemical and Physical Meteorology(69.0). DOI:https://doi.org/10.1080/16000889.2017.1391663 (reviewed).

Masaki Sano, A P Dimri, R. Ramesh, Chenxi Xu, Zhen Li, Takeshi Nakatsuka 2017,08 Moisture source signals preserved in a 242-year tree-ring δ18O chronology in the western Himalaya. Global and Planetary Change(157.0):73.0-82.0. DOI:http://dx.doi.org/10.1016/j.gloplacha.2017.08.009 (reviewed).

PAGES2k Consortium (Julien Emile-Geay, Nicholas P. McKay, Darrell S. Kaufman, Lucien von Gunten, Jianghao Wang, Kevin J. Anchukaitis, Nerilie J. Abram, Jason A. Addison, Mark A.J. Curran, Michael N. Evans, Benjamin J. Henley, Zhixin Hao, Belen Martrat, Helen V. McGregor, Raphael Neukom, Gregory T. Pederson, Barbara Stenni, Kaustubh Thirumalai, Johannes P. Werner, Chenxi Xu, Dmitry V. Divine, Bronwyn C. Dixon, Joelle Gergis, Ignacio A. Mundo, Takeshi Nakatsuka, Steven J. Phipps, Cody C. Routson, Eric J. Steig, Jessica E. Tierney, Jonathan J. Tyler, Kathryn J. Allen, Nancy A.N. Bertler, Jesper Björklund, Brian M. Chase, Min-Te Chen, Ed Cook, Rixt de Jong, Kristine L. DeLong, Daniel A. Dixon, Alexey A. Ekaykin, Vasile Ersek, Helena L. Filipsson, Pierre Francus, Mandy B. Freund, Massimo Frezzotti, Narayan P. Gaire, Konrad Gajewski, Quansheng Ge, Hugues Goosse, Anastasia Gornostaeva, Martin Grosjean, Kazuho Horiuchi, Anne Hormes, Katrine Husum, Elisabeth Isaksson, Selvaraj Kandasamy, Kenji Kawamura, K. Halimeda Kilbourne, Nalan Koç, Guillaume Leduc, Hans W. Linderholm, Andrew M. Lorrey,Vladimir Mikhalenko, P. Graham Mortyn, Hideaki Motoyama, Andrew D. Moy,Robert Mulvaney, Philipp M. Munz, David J. Nash, Hans Oerter, Thomas Opel, Anais J. Orsi, Dmitriy V. Ovchinnikov, Trevor J. Porter, Heidi A. Roop,Casey Saenger, Masaki Sano, David Sauchyn, Krystyna M. Saunders, Marit-Solveig Seidenkrantz, Mirko Severi, Xuemei Shao, Marie-Alexandrine Sicre, Michael Sigl, Kate Sinclair, Scott St. George, Jeannine-Marie St. Jacques, Meloth Thamban, Udya Kuwar Thapa, Elizabeth R. Thomas, Chris Turney, Ryu Uemura, Andre E. Viau, Diana. Vladimirova, Eugene R. Wah, James W.C. White, Zicheng Yu & Jens Zinke) 2017,07 A global multiproxy database for temperature reconstructions of the Common Era.. Scientific Data (4). DOI:10.1038/sdata.2017.88. (reviewed).

Wataru Sakashita, Hiroko Miyahara, Yusuke Yokoyama, Takahiro Aze, Takeshi Nakatsuka, Yasuharu Hoshino, Motonari Ohyama, Hitoshi Yonenobu, Keiji Takemura 2017,06 Hydroclimate reconstruction in central Japan over the past four centuries from tree-ring cellulose δ18O. Quaternary International. DOI:https://doi.org/10.1016/j.quaint.2017.06.020 (reviewed).

Yu Liu, Kim M. Cobb, Huiming Song, Qiang Li, Ching-Yao Li, Takeshi Nakatsuka, Zhisheng An, Weijian Zhou, Qiufang Cai, Jinbao Li, Steven W. Leavitt, Changfeng Sun, Ruochen Mei, Chuan-Chou Shen, Ming-Hsun Chan, Junyan Sun, Libin Yan, Ying Lei, Yongyong Ma, Xuxiang Li, Deliang Chen, Hans W. Linderholm 2017,05 Recent enhancement of central Pacific El Niño variability relative to last eight centuries. Nature Communications(8.0). DOI:doi:10.1038/ncomms15386 (reviewed).

Chenxi Xu, Haifeng Zhu, Takeshi Nakatsuka, Masaki Sano, Zhen Li, Feng Shi, Eryuan Liang, Zhengtang Guo 2017,05 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:DOI 10.1007/s00484-017-1365-6 (reviewed).

Mao Harada, Yumiko Watanabe, Takeshi Nakatsuka, Suyako Tazuru-Mizuno, Yoshiki Horikawa, Bambang Subiyanto, Junji Sugiyama, Toshitaka Tsuda, Takahiro Tagami 2017,03 Assessment of sungkai tree-ring δ18O proxy for paleoclimate reconstruction in western Java, Indonesia. Quaternary International (432.0):33.0-38.0. (reviewed).

Naoyuki Kurita, Takeshi Nakatsuka, Keiko Ohnishi and Takumi Mitsutani 2016,10 Analysis of the interdecadal variability of summer precipitation in central Japan using a reconstructed 106-year-long oxygen isotope record from tree-ring cellulose.. Journal of Geophysical Research-Atmosphere 121(20):12,089-12,107. DOI:10.1002/2016JD025463 (reviewed).

Chenxi Xu, Huaizhou Zheng, Takeshi Nakatsuka, Masaki Sano, Zhen Li, Junyi Ge 2016,06 Inter- and intra-annual tree-ring cellulose oxygen isotope variability in response to precipitation in Southeast China.. Trees - Structure and Function 30:785-794. DOI:10.1007/s00468-015-1320-2 (reviewed).

Chenxi Xu, Junyi Ge, Takeshi Nakatsuka, Liang Yi, Huaizhou Zheng, and Masaki Sano 2016,04 Potential utility of tree ring 18O series for reconstructing precipitation records from the lower reaches of the Yangtze River, southeast China.. Journal of Geophysical Research-Atmosphere 121(8):3954-3968. DOI:10.1002/2015JD023610 (reviewed).

Chenxi Xu, Nathsuda Pumijumnong, Takeshi Nakatsuka, Masaki Sano, Zhen Li 2015,10 A tree-ring cellulose δ18O-based July–October precipitation reconstruction since AD 1828, northwest Thailand. Journal of Hydrology 529(2):433-441. DOI:10.1016/j.jhydrol.2015.02.037 (reviewed).

Qiang Li, Yu Liu, Takeshi Nakatsuka, Huiming Song, Danny McCarroll, Yinke Yang, Jun Qi 2015,09 The 225-year precipitation variability inferred from tree-ring records in Shanxi Province, the North China, and its teleconnection with Indian summer monsoon. Global and Planetary Change 132: 11-19. DOI:10.1016/j.gloplacha.2015.06.005 (reviewed).

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 2015,08 A multi-proxy reconstruction of spatial and temporal variations in Asian summer temperatures over the last millennium. Climatic Change 131(4):663-676. DOI:10.1007/s10584-015-1413-3 (reviewed).

Atsushi Tsuda, Hiroaki Saito, Hiromi Kasai, Jun Nishioka and Takeshi Nakatsuka 2015,06 Vertical segregation and population structure of ontogenetically migrating copepods Neocalanus cristatus, N. flemingeri, N. plumchrus and Eucalanus bungii during ice-free season in the Sea of Okhotsk. Journal of Oceanography 71(3):271-285. (reviewed).

Wataru Sakashita, Yusuke Yokoyama, Hiroko Miyahara, Yasuhiko T. Yamaguchi, Takahiro Aze, Stephen P Obrochta, Takeshi Nakatsuka 2015,06 Relationship between early summer precipitation in Japan and the El Niño-Southern and Pacific Decadal Oscillations over the past 400 years. Quaternary International. DOI:10.1016/j.quaint.2015.05.054 (reviewed).

Mao Harada, Yumiko Watanabe, Takeshi Nakatsuka, Suyako Tazuru-Mizuno, Yoshiki Horikawa, Bambang Subiyanto, Junji Sugiyama, Toshitaka Tsuda, Takahiro Tagami 2015,04 Assessment of sungkai tree-ring δ18O proxy for paleoclimate reconstruction in western Java, Indonesia. Quaternary International. DOI:10.1016/j.quaint.2015.03.038 (reviewed).

Akira Kagawa, Masaki Sano, Takeshi Nakatsuka, Tsutomu Ikeda, Satoshi Kubo 2015,01 An optimized method for stable isotope analysis of tree rings by extracting cellulose directly from cross-sectional laths. Chemical Geology 393-394:16-25. DOI:10.1016/j.chemgeo.2014.11.019 (reviewed).

Jun Nishioka, Takeshi Nakatsuka, Kazuya Ono, Yu. N. Volkov, Alexey Scherbinin, Takayuki Shiraiwa 2014,08 Quantitative evaluation of iron transport processes in the Sea of Okhotsk. Progress in Oceanography 126:180-193. DOI:10.1016/j.pocean.2014.04.011 (reviewed).

Rumi Sohrin, Kunimatsu Imanishi, Yoshimi Suzuki, Kenshi Kuma, Ichiro Yasuda, Koji Suzuki, Takeshi Nakatsuka 2014,08 Distributions of dissolved organic carbon and nitrogen in the western Okhotsk Sea and their effluxes to the North Pacific. Progress in Oceanography 126:168-179. DOI:10.1016/j.pocean.2014.05.014 (reviewed).

Tomoki Yasuda, Yoshihiro Asahara, Ryo Ichikawa, Takeshi Nakatsuka, Hideki Minami, Seiya Nagao 2014,08 Distribution and transport processes of lithogenic material from the Amur River revealed by the Sr and Nd isotope ratios of sediments from the Sea of Okhotsk. Progress in Oceanography 126:155-167. DOI:10.1016/j.pocean.2014.04.015 (reviewed).

Chenxi Xu, Masaki Sano, Kei Yoshimura and Takeshi Nakatsuka 2014,07 Oxygen isotopes as a valuable tool for measuring annual growth in tropical trees that lack distinct annual rings. Geochemical Journal 48(4):371-378. DOI:10.2343/geochemj.2.0312 (reviewed).

Mao Harada, Yumiko Watanabe, Takeshi Nakatsuka, Suyako Tazuru-Mizuno, Yoshiki Horikawa, Junji Sugiyama, Toshitaka Tsuda and Takahiro Tagami 2014,05 Alpha-cellulose extraction procedure for the tropical tree sungkai (Peronema canescens Jack) by using an improved vessel for reliable paleoclimate reconstruction. Geochemical Journal 48(3):299-307. DOI:10.2343/geochemj.2.0306 (reviewed).

Edward R. Cook, Paul J. Krusic, Kevin J. Anchukaitis, Brendan M. Buckley, Takeshi Nakatsuka, Masaki Sano 2013,12 Tree-ring reconstructed summer temperature anomalies for temperate East Asia since 800 C.E.. Climate Dynamics 41(11-12):2957-2972. (reviewed).

Chenxi Xu, Huaizhou Zheng, Takeshi Nakatsuka and Masaki Sano 2013,12 Oxygen isotope signatures preserved in tree ring cellulose as a proxy for April–September precipitation in Fujian, the subtropical region of southeast China. Journal of Geophysical Research: Atmospheres 118(23):805-815. DOI:10.1002/2013JD019803

Fengmei Yang, Feng Shi, Shuyuan Kang, Shigong Wang, Ziniu Xiao, Takeshi Nakatsuka, Jun Shi 2013,11 Comparison of the dryness/wetness index in China with the Monsoon Asia Drought Atlas. Theoretical and Applied Climatology 114(3-4):553-566.

Jun Nishioka, Takeshi Nakatsuka, Yutaka W. Watanabe, Ichiro Yasuda, Kenshi Kuma, Hiroshi Ogawa, Naoto Ebuchi, Alexey Scherbinin, Yuri N. Volkov, Takayuki Shiraiwa and Masaaki Wakatsuchi 2013,09 Intensive mixing along an island chain controls oceanic biogeochemical cycles. Global Biogeochemical Cycles 27(3):920-929. DOI:10.1002/gbc.20088

Chenxi Xu, Masaki Sano, Takeshi Nakatsuka 2013,09 A 400-year record of hydroclimate variability and local ENSO history in northern Southeast Asia inferred from tree-ring δ18O. Palaeogeography, Palaeoclimatology, Palaeoecology 386(15):588-598.

Masaki Sano, Phuntsho Tshering, Jiro Komori, Koji Fujita, Chenxi Xu and Takeshi Nakatsuka 2013,08 May–September precipitation in the Bhutan Himalaya since 1743 as reconstructed from tree ring cellulose δ18O. Journal of Geophysical Research: Atmospheres 118(15):8399-8410. DOI:10.1002/jgrd.50664

Moinuddin Ahmed, Kevin J. Anchukaitis, Asfawossen Asrat, Hemant P. Borgaonkar, Martina Braida, Brendan M. Buckley, Ulf Büntgen, Brian M. Chase, Duncan A. Christie, Edward R. Cook, Mark A. J. Curran, Henry F. Diaz, Jan Esper, Ze-Xin Fan, Narayan P. Gaire, Quansheng Ge, Joëlle Gergis, J Fidel González-Rouco, Hugues Goosse, Stefan W. Grab, Nicholas Graham, Rochelle Graham, Martin Grosjean, Sami T. Hanhijärvi, Darrell S. Kaufman, Thorsten Kiefer, Katsuhiko Kimura, Atte A. Korhola, Paul J. Krusic, Antonio Lara, Anne-Marie Lézine, Fredrik C. Ljungqvist, Andrew M. Lorrey, Jürg Luterbacher, Valérie Masson-Delmotte, Danny McCarroll, Joseph R. McConnell, Nicholas P. McKay, Mariano S. Morales, Andrew D. Moy, Robert Mulvaney, Ignacio A. Mundo, Takeshi Nakatsuka, David J. Nash, Raphael Neukom, Sharon E. Nicholson, Hans Oerter, Jonathan G. Palmer, Steven J. Phipps, Maria R. Prieto, Andres Rivera, Masaki Sano, Mirko Severi, Timothy M. Shanahan, Xuemei Shao, Feng Shi, Michael Sigl, Jason E. Smerdon, Olga N. Solomina, Eric J. Steig, Barbara Stenni, Meloth Thamban, Valerie Trouet, Chris S.M. Turney, Mohammed Umer, Tas van Ommen, Dirk Verschuren, Andre E. Viau, Ricardo Villalba, Bo M. Vinther, Lucien von Gunten, Sebastian Wagner, Eugene R. Wahl, Heinz Wanner, Johannes P. Werner, James W.C. White, Koh Yasue and Eduardo Zorita 2013,05 Continental-scale temperature variability during the past two millennia. Nature Geoscience 6:339-346. DOI:10.1038/ngeo1797

Koji Sugie, Jun Nishioka, Kenshi Kuma, Yuri N. Volkov, Takeshi Nakatsuka 2013,05 Availability of particulate Fe to phytoplankton in the Sea of Okhotsk. Marine Chemistry 152(20):20-31.

Tomonori Isada, Takahiro Iida, Hongbin Liu, Sei-Ichi Saitoh, Jun Nishioka, Takeshi Nakatsuka and Koji Suzuki 2013,04 Influence of Amur River discharge on phytoplankton photophysiology in the Sea of Okhotsk during late summer. Journal of Geophysical Research: Oceans 118(4):1995-2013. DOI:10.1002/jgrc.20159

Zhen Li, Takeshi Nakatsuka, Masaki Sano 2015,03 Tree-ring cellulose δ18O variability in pine and oak and its potential to reconstruct precipitation and relative humidity in central Japan. Geochemical Journal 49:125-137. DOI:10.2343/geochemj.2.0336

Masaki Sano, Chenxi Xu, Takeshi Nakatsuka1 2012 A 300-year Vietnam hydroclimate and ENSO variability recordreconstructed from tree ring d18O. Journal of Geophysical Research: Atmospheres 117. DOI:doi:10.1029/2012JD017749, 2012

Chenxi Xu, Masaki Sano, Takeshi Nakatsuka 2011 Tree-ring cellulose δ18O of Fokienia hodginsii inNorthern Laos: a promising proxy to reconstruct ENSO. Journal of Geophysical Research: Atmospheres 116. DOI:doi:10.1029/2011JD016694

Research Presentations

【Oral Presentation】

Nakatsuka T New perspectives in historical studies provided by high resolution paleoclimate data. WEHC 2018 , 2018.08.01, Boston, USA.

Takeshi Nakatsuka and members of Historical Climate Adaptation project Climatic periodicity and societal response : Integrating paleoclimate data with historical and archaeological evidences. 8th World Archaeological Congress, 2016.08.28-2016.09.02, Kyoto Japan.

Takeshi Nakatsuka Oxygen Isotope Dendroarchaeology-Its Background, Principle and Perspectives-. 8th World Archaeology Congress, 2016.08.28-2016.09.02, Kyoto Japan.

Takeshi Nakatsuka Societal Adaptation to Climate Change-Integrating Palaeoclimatological Data with Historical and Archaeological Evidences in Japan-An introduction of an inter-disciplinary research project on Japanese environmental history. The Third Conference of East Asian Environmental History, 2015.10.22-2015.10.25, Takamatsu.

Takeshi Nakatsuka Recent activities for paleo-climatological reconstructions in PAGES Asia 2k and RIHN. 日本地理学会「気候と災害の歴史研究グループ」シンポジウム・歴史時代の気候と災害, 2014.09.20-2014.09.21, 富山県富山市. (in Japanese)

Takeshi Nakatsuka and others 400 years interval of amplification in quasi bi-decadal climate variability - a case of summer precipitation in Japan. Japan Geoscience Union 2014 Annual Meeting, 2014.04.28-2014.05.02, Nishi-ku, Yokohama.

Takeshi NAKATSUKA et al Periodic amplification of multi-decadal hydroclimate variability at intervals of 400 years in central Japan as a trigger of major political regime shifts during last two millennia. 9th International Conference on Dendrochronology, 2014.01.13-2014.01.17, Melbourne, Australia.

Kaoru KAMATANI, Masaki Sano, Takeshi NAKATSUKA Climate-induced rice yield variations in Early Modern Japan (Edo era) recorded in Menjo (tax accounts to villages) and their implication for society-climate relationship in the past. The Third Conference of East Asian Environmental History (EAEH 2015), 2015.10.24, 香川. (in Japanese)

Zhen Li, Takeshi Nakatsuka, Masaki Sano Hydroclimate variability ver last two and a half centuries inferred from oxygen isotope records of Abies homolepis tree-ring in Shikoku,southwestern Japan. 日本地球化学会2014年度年会, 2014.09.16-2014.09.18, 富山県富山市.

Keisuke ITOU, Noriyoshi TAMURA, Seibi NISHIYACH, and Takeshi NAKATSUKA. Climate Changes as the Cause of Numerous Disasters in Medieval Japan.. The Third Conference of East Asian Environmental History (EAEH 2015), 2015.10.22-2015.10.25, Takamatsu.

【Poster Presentation】

Zhen Li, Masaki Sano, Takeshi Nakatsuka The optimized techniques of cellulose extraction for the isotope dendroarcheological study using wood samples from archaeological sites. The Eight Word Archaeological Congress, 2016.08.28-2016.09.02, Kyoto.

Maki Morimoto, Seiji Maruyama, Osamu Abe, Takeshi Nakatsuka, Takanori Nakano The examination of the measurement condition and performance evaluation of Gas Bench2 - DELTA V Plus(RIHN) towards carbon and oxygen isotope ratio mesurements of carbonate samples . The 2nd isotope environmental studies symposium, 2013.02.18-2013.02.19, RIHN. (in Japanese)

【Invited Lecture / Honorary Lecture / Panelist】

Takeshi Nakatsuka Analyses of Societal Adaptation to Climate Changes in the Past: Integrating Paleoclimatology with History and Archaeology in Japan. International Meeting of AJG (Association of Japanese Geographers) Study Group “History of Climate and Natural Disaster”, 2016.03.22, Shinjuku-ku, Tokyo.

Takeshi Nakatsuka Climate variations in East Asia and Japan during the last two millennia. ILTS International Symposium on Low Temperature Science, 2015.11.30-2015.12.02, Sapporo.

Takeshi Nakatsuka Recent development of proxy-based annually-resolved paleoclimatological datasets during last two millennia in Asia and world. The Third Conference of East Asian Environmental History, 2015.10.22-2015.10.25, Takamatsu.

Takeshi NAKATSUKA Recent Development of Oxygen Isotopic (d18O) Dendroarchaeology in Japan. Seminar in Institute of Earth Environment, 2014.08.25, Xi'an, China.

Takeshi NAKATSUKA Oxygen Isotope Dendrochronology - Its Background, Development and Applications. Lecture in Institute of Earth Environment , 2014.08.22, Xi'an, China.

Takeshi Nakatsuka The PAGES 2k network and Asia 2k Phase 1. 3rd Asia 2k workshop, 2014.05.26-2014.05.27, Beijing, China.