Population connectivity of the swordtip squid Uroteuthis edulis between southern Japan and northern Taiwan using statolith trace elemental analysis

Authors: Yumeng Pang, Yusuke Yokoyama, Takahiro Aze, Takahiro Irie, Chih-Shin Chen, Tomohiko Kawamura, Yoko Iwata

Source: Frontiers in Marine Science, Vol 11 (2024)

Subject Terms: Sr/Ca ratio, life trajectory, experienced environments, source-sink dynamics, metapopulation, Science, General. Including nature conservation, geographical distribution, QH1-199.5

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmars.2024.1424397/full; https://doaj.org/toc/2296-7745

Access URL: https://doaj.org/article/f38bd5c932ad4cccb551297f05e2f51b

Plutonium isotopes in the North Western Pacific sediments coupled with radiocarbon in corals recording precise timing of the Anthropocene

Authors: Yusuke Yokoyama, Stephen Tims, Michaela Froehlich, Shoko Hirabayashi, Takahiro Aze, L. Keith Fifield, Dominik Koll, Yosuke Miyairi, Stefan Pavetich, Michinobu Kuwae

Source: Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/6a5764c7cf684af7ac6bc018fa36c415

Holocene melting of the West Antarctic Ice Sheet driven by tropical Pacific warming

Authors: Adam D. Sproson, Yusuke Yokoyama, Yosuke Miyairi, Takahiro Aze, Rebecca L. Totten

Source: Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)

Subject Terms: Science

File Description: electronic resource

Relation: https://doaj.org/toc/2041-1723

Access URL: https://doaj.org/article/e09fb7067126448496baee895c4bda00

Relationship between the Northern Pacific Gyre Oscillation and tree-ring cellulose oxygen isotopes in northeastern Japan

Authors: Wataru Sakashita, Hiroko Miyahara, Yusuke Yokoyama, Takahiro Aze, Stephen P. Obrochta, Takeshi Nakatsuka

Source: Geoscience Letters, Vol 4, Iss 1, Pp 1-11 (2017)

Subject Terms: Tree-ring, Oxygen isotope, Northeastern Japan, North Pacific Gyre Oscillation, North Pacific Oscillation, Science, Geology, QE1-996.5

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s40562-017-0095-2; https://doaj.org/toc/2196-4092

Access URL: https://doaj.org/article/cbc6c863e61748d3b10e9145a520510a

Radiocarbon variability recorded in coral skeletons from the northwest of Luzon Island, Philippines

Authors: Shoko Hirabayashi, Yusuke Yokoyama, Atsushi Suzuki, Yosuke Miyairi, Takahiro Aze, Fernando Siringan, Yasuo Maeda

Source: Geoscience Letters, Vol 4, Iss 1, Pp 1-9 (2017)

Subject Terms: Luzon Strait, South China Sea, Radiocarbon, Corals, Kuroshio, Kuroshio loop current, Science, Geology, QE1-996.5

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s40562-017-0081-8; https://doaj.org/toc/2196-4092

Access URL: https://doaj.org/article/dc4732b698954927af8d18e5205682ac

Toward defining the Anthropocene onset using a rapid increase in anthropogenic fingerprints in global geological archives.

Authors: Michinobu Kuwae, Yusuke Yokoyama, Tims, Stephen, Froehlich, Michaela, Fifield, L. Keith, Takahiro Aze, Narumi Tsugeki, Hideyuki Doi, Yoshiki Saito

Source: Proceedings of the National Academy of Sciences of the United States of America; 10/8/2024, Vol. 121 Issue 41, p1-21, 258p

Subject Terms: PLUTONIUM, HOLOCENE Epoch, SIGNALS & signaling, EXPLOSIONS, HUMAN beings

Anthropocene North Western Pacific Oceanography Recorded as Seasonal-Resolution Radiocarbon in Coral From Kikai Island, Japan.

Authors: Yuning Zeng, Yusuke Yokoyama, Shoko Hirabayashi, Yosuke Miyairi, Atsushi Suzuki, Takahiro Aze, Yuta Kawakubo

Source: Global Biogeochemical Cycles; Apr2024, Vol. 38 Issue 4, p1-11, 11p

Subject Terms: OCEAN currents, EL Nino, OCEANIC mixing, OCEANOGRAPHY, OCEAN circulation, WATER masses

Geographic Terms: ISHIGAKI Island (Japan), JAPAN

Initial measurement of beryllium-9 using high-resolution inductively coupled plasma mass spectrometry allows for more precise applications of the beryllium isotope system within the Earth Sciences.

Authors: Sproson, Adam D.¹ sproson@aori.u-tokyo.ac.jp, Takahiro Aze¹, Behrens, Bethany¹, Yusuke Yokoyama

Source: Rapid Communications in Mass Spectrometry: RCM. Apr2021, Vol. 35 Issue 8, p1-9. 9p.

Subject Terms: *INDUCTIVELY coupled plasma mass spectrometry, *EARTH system science, *BERYLLIUM isotopes, *COSMOGENIC nuclides, *KINETIC control

Measurement of ⁷Be at MALT.

Authors: Hisao Nagai¹ hnagai@chs.nihon-u.ac.jp, Wataru Tada², Hiroshi Matsumura¹, Takahiro Aze², Mayumi Noguchi², Hiroyuki Matsuzaki³

Source: Nuclear Instruments & Methods in Physics Research Section B. Aug2004, Vol. 223-224, p237-241. 5p.

Subject Terms: *ACCELERATOR mass spectrometry, *CARBON, *BERYLLIUM, *PARTICLE accelerators