@article{oai:kanazawa-u.repo.nii.ac.jp:00060776,
 author = {臼井, 洋一 and Ota, Yuki and Kawahata, Hodaka and Kuroda, Junichiro and Yamaguchi, Asuka and Suzuki, Atsushi and Araoka, Daisuke and Abe-Ouchi, Ayako and Yamada, Yasuhiro and Ijiri, Akira and Kanamatsu, Toshiya and Kinoshita, Masataka and Moe, Kyaw Thu and Lin, Weiren and Saito, Saneatsu and Sanada, Yoshinori and Hamada, Yohei and Nakamura, Yasuyuki and Shinmoto, Yuichi and Wu, Hung Yu and Ahagon, Naokazu and Aoike, Kan and Iijima, Koichi and Machiyama, Hideaki and Tejada, Maria Luisa and Umetsu, Keita and Usui, Yoichi and Yamamoto, Yuzuru and Yoshikawa, Shuro and Jimenez-Espejo, Francisco and Haraguchi, Satoru and Komai, Nobuharu and Suga, Hisami and Abe, Natsue and Gupta, Lallan and Hirose, Takehiro and Masaki, Yuka and Nomura, Shun and Sugihara, Takamitsu and Tanikawa, Wataru and Kubo, Yusuke and Maeda, Lena and Toczko, Sean},
 issue = {1},
 journal = {Geochemistry, Geophysics, Geosystems},
 month = {Jan},
 note = {Detailed reconstruction of Indian summer monsoons is necessary to better understand the late Quaternary climate history of the Bay of Bengal and Indian peninsula. We established a chronostratigraphy for a sediment core from Hole 19B in the western Bay of Bengal, extending to approximately 80 kyr BP and examined major and trace element compositions and clay mineral components of the sediments. Higher δ 18 O values, lower TiO 2 contents, and weaker weathering in the sediment source area during marine isotope stages (MIS) 2 and 4 compared to MIS 1, 3, and 5 are explained by increased Indian summer monsoonal precipitation and river discharge around the western Bay of Bengal. Clay mineral and chemical components indicate a felsic sediment source, suggesting the Precambrian gneissic complex of the eastern Indian peninsula as the dominant sediment source at this site since 80 kyr. Trace element ratios (Cr/Th, Th/Sc, Th/Co, La/Cr, and Eu/Eu*) indicate increased sediment contributions from mafic rocks during MIS 2 and 4. We interpret these results as reflecting the changing influences of the eastern and western branches of the Indian summer monsoon and a greater decrease in rainfall in the eastern and northeastern parts of the Indian peninsula than in the western part during MIS 2 and 4. © 2018. American Geophysical Union. All Rights Reserved., 金沢大学理工研究域地球社会基盤学系},
 pages = {148--165},
 title = {Indian Monsoonal Variations During the Past 80 Kyr Recorded in NGHP-02 Hole 19B, Western Bay of Bengal: Implications From Chemical and Mineral Properties},
 volume = {20},
 year = {2019}
}