Sessions in JpGU meetings are categorized into 7 JpGU Categories and subcategories.
Union and Public Sessions are special sessions outside of these 7 regular categories.

See the list below for category descriptions.

Union		U	Sessions to present up-to-date frontier topics related to all Earth and planetary sciences communities.
Public		O	Sessions open to the public to promote scientists' outreach activities, and to communicate with the society on understandings of research fields of our Union.
Section Leading		L	Sessions proposed by Section leadership for Section-wide participation and discussion.
1	Space and Planetary Sciences	P	Planetary Science, Solar Terrestrial Physics, Space Physics, Space Electromagnetism Exoplanetology... etc.
2	Atmospheric and Hydrospheric Sciences	A	Atmospheric Science, Meteorology, Atmospheric Environment, Ocean Sciences, Hydrology, Limnology, Ground Water Hydrology, Cryospheric Sciences, Geoenvironmental Science, Climate Change Research...etc.
3	Human Geosciences	H	Geography, Geomorphology, Engineering Geology, Sedimentology, Natural Disaster, Disaster Prevention, Resources, Energy...etc.
4	Solid Earth Sciences	S	Geodesy, Seismology, Geomagnetism, Science of the Earth's Interior, Earth and Planetary Tectonics Dynamics, Geology, Quaternary Research, Lithology and Mineralogy, Volcanology, Geochemistry...etc.
5	Biogeosciences	B	Biogeosciences, Space Biology, Origin of Life, Geosphere-Biosphere Interactions, Palaeontology, Paleoecology...etc
6	Education & Outreach	G	Earth Science Education, School Education, Relation to the society...etc.
7	Multidisciplinary and Interdisciplinary	M	Sessions outside the above 6 categories or cross multiple categories, Joint Symposium with other scientific societies...etc.

About Sessions of JpGU-AGU 2026 & Session Details

Sessions will be announced on Wednesday, 26 November.

About Scientific Program of JpGU-AGU 2026

The scientific program will be released on Friday, 26 March 2026.

【Upcoming release schedule】
●Session descriptions : Wed. 26 Nov 2025
●Session schedule-at-a-glance : Wed. 10 Dec 2025
●Scientific program : Fri. 26 Mar 2026
●Abstract PDF: Fri. 15 May 2026

Abstract PDF Download

Abstract PDF will be published on Friday, 15 May 2026.

Contact between Conveners and Presenters

We will provide mailing lists for communication between session conveners and presenters after scientific sessions are finalized in late-March. Please make use of this tool for organizing your session.

List of Invited Authors

Provisional list of tentative invited authors will be published after the session is accepted and updated sequentially.

Union Sessions

Union sessions focus on topics with a broad interest that are outside of a single section.
The 2026 Union Sessions are scheduled to be released on Wednesday, 26 November.

Public Sessions

Public sessions are open to general public attendees who are interested in geoscientific progress and contents to hear from an interact directly with researchers. Registration is free of charge to attend these sessions.
The 2026 Public Sessions are scheduled to be released on Wednesday, 26 November.

Section Leading Sessions

Section Leading sessions are the sessions organized by the five scientific sections of JpGU.
The 2026 Section Leading Sessions are scheduled to be released on Wednesday, 26 November.

Joint Session with Partner Unions

At JpGU-AGU 2026, all sessions are regarded as JpGU-AGU joint sessions.
Joint sessions with AOGS, EGU, and TCGU will continue to be organized as in the previous year.
The 2026 joint sessions are scheduled to be released on Wednesday, 26 November.

Co-Sponsored Sessions with JpGU Society Members

Each year, sessions co-sponsored or co-organized with Society Members are also convened at the annual meetings.
The 2026 Co-Sponsored Sessions with JpGU Society Members are scheduled to be released on Wednesday, 26 November.

International Cooperative Sessions

These sessions are held to extend our collaborative networking with overseas societies.
The 2026 International Cooperative Sessions are scheduled to be released on Wednesday, 10 December.

Co-sponsoring Sessions with Organizations Other Than JpGU Society Members

The 2026 co-sponsoring sessions with organizations other than JpGU Society Members are scheduled to be released on Wednesday, 10 December.