Scope
Algorithm updates, validation, inter-satellite harmonisation, applications, AI-based retrievals.
17th GEMS Workshop
D-…
GEMS · Pandora Asia Network · Geo-Ring
Observing Air Quality from Space, Together.
The 17th International GEMS Workshop convenes the global atmospheric remote-sensing community in Seoul.
- 17th Annual edition
- 20+ Countries represented
- ~150 Expected participants
- 3 Days · 8 sessions
About the Workshop
A decade of GEMS — and the geostationary constellation era.
Since the launch of GEMS in 2020, geostationary air-quality monitoring has reshaped how we observe atmospheric pollutants over Asia.
Event
The 17th International GEMS Workshop
Dates
Wed 9 — Fri 11 September 2026
Venue
RYSE, Autograph Collection (Seoul, ROK)
Participants
~100 attendees · 20+ overseas experts
Working language
English (Korean provided)
Host
Environmental Satellite Center, NIER
Who attends
~100 participants from research institutes, space agencies and academia worldwide.
Outcomes
Peer-reviewed proceedings, updated validation roadmap, bilateral discussions.
1 – 4 / 20
Program
Three days, eight sessions, one constellation.
A tentative draft based on the 16th workshop structure.
Day 1 · Opening & Keynote
Wed, 9 September 2026
13:00 – 13:30
Opening Remarks · Congratulatory Messages
NIER · ESA · NASA GSFC
13:30 – 14:30
Keynote Speech
GEMS — Achievements, Issues, and Beyond
15:00 – 17:00
Session 1 — Ozone and Precursors
Satellite-based monitoring of ozone, NO₂, VOCs.
ScienceDay 2 · Status of GEMS & Applications
Thu, 10 September 2026
09:00 – 10:30
Session 2 — GEMS Status (Ⅰ)
AI applications, INR, Level 0–1 calibration.
10:45 – 12:00
Session 3 — GEMS Status (Ⅱ)
Aerosol algorithm, NO₂ retrievals, AEH v3.0.
13:00 – 14:30
Session 4–5 — Applications
Diurnal NO₂, CTM-independent flux, NH₃-constrained simulations.
15:45 – 16:45
Poster Session & Coffee
On-site poster exhibition with e-Poster mirror.
Posters
16:45 – 18:00
Session 6 — Validation of Satellite Data
Tropospheric NO₂ validation, TROPOMI/GEMS/EarthCARE comparisons, Geo-Ring project validation.
Day 3 · TEMPO, Validation & Closing
Fri, 11 September 2026
09:00 – 10:30
Session 7 — Status of TEMPO
TEMPO mission status, total ozone, NO₂ and HCHO products.
11:00 – 12:00
Session 8 — LEO/GEO Synergy
PAPGAPi activities, LEO/GEO harmonisation, airborne in-situ comparisons.
12:00 – 12:30
Closing Remarks & Group Photo
Wrap-up by NIER. Workshop adjourns.
ClosingKey Dates
Mark your calendar.
Registration is open now. Programme and posters announced in August.
D-60
Site open · Registration begins
11 Jul 2026
D-45
Abstract submission opens
25 Jul 2026
D-21
Abstract submission closes
19 Aug 2026
D-14
Presentation / poster files due
26 Aug 2026
D-7
Programme confirmed · Registration closes
2 Sep 2026
D-day
Workshop opens
9 Sep 2026Venue & Travel
RYSE, Autograph Collection — Hongdae, Seoul.
A 5-star hotel in Seoul's creative district, 50 minutes from Incheon Airport.
Address
130 Yanghwa-ro, Mapo-gu, Seoul 04050, Republic of Korea
Getting here
- From Incheon (ICN) AREX Express → Hongik Univ. (43 min) → 5-min walk
- Subway Hongik Univ. Station (Line 2 · AREX), Exit 1
- By car Valet parking available.
Registration
Reserve your seat in Seoul.
Registration opens 60 days before the workshop.
This page is a proposal-stage prototype — submissions are not stored. The official registration form is hosted by NESC. For inquiries, contact namtion@korea.kr.
Notice & FAQ
Stay informed.
Latest announcements and answers to common questions.
Announcements
Save the dateNEW
The workshop will be held 9 – 11 September 2026.
Call for abstracts — opening 25 July
Oral and poster abstract submission will open 25 July 2026.
Travel & visa guidance
International participants requiring a visa invitation letter should select the corresponding option during registration.
Frequently Asked Questions
No. The workshop is hosted by NIER and there is no registration fee.
Abstract submission closes on 19 August 2026.
In-person attendance is preferred.
Select the visa invitation option during registration.
For invited international experts only.
Yes — a banquet dinner is scheduled for Day 2.