JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

H (Human Geosciences ) » H-GM Geomorphology

[H-GM04] Geomorphology

Mon. May 25, 2026 10:45 AM - 12:15 PM Exhibition Hall Special Setting (4) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Ohta J. Ryoga(Niigata University), Kim Wonsuck(Yonsei University)

11:30 AM - 11:45 AM

[HGM04-04] Boosted chemical weathering in response to the formation of landslide deposits: insights from radiogenic strontium isotopes in a headwater catchment

*Naoyuki Yoshihara1, Daisuke Araoka1 (1. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

Keywords:2018 Hokkaido Eastern Iburi earthquake, Chemical weathering, End-member mixing analysis, Landslide deposit, Radiogenic strontium isotope ratio (87Sr/86Sr), Shallow landslide