JpGU-AGU Joint Meeting 2026

Presentation information

[E] Poster

P (Space and Planetary Sciences ) » P-PS Planetary Sciences

[P-PS04] Planetary Sciences

Mon. May 25, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

5:15 PM - 7:00 PM

[PPS04-P25] Earth's Nitrogen Deficit and δ15N Offset from Heterogeneous Accretion via Repeated Giant Impacts

*Taiki Hanazawa1, Takanori Sasaki1 (1. Kyoto University)

Keywords:nitrogen deficit, δ15N isotope, giant impact, magma ocean, atmospheric erosion, heterogeneous accretion