International Association of Cryospheric Sciences

- Blue-ice field in Antarctica. Photo: Thorsteinn Thorsteinsson

Charles Fierz. Photo: Liss M. Andreassen

New IACS newsletter out. Contents:
-Update from the Joint Commission on Ice-Ocean Interactions (JCIOI)
- In memory of Charles Fierz
- Report from the Patagonian Icefields Research Program (PRIP25)
- Portrait of Mathieu Morlighem
- Blue-ice field in Antarctica
cryosphericsciences.org/newsletter/

The deadline for abstract submission for #EGU26 (3-8 May, Vienna) is Thursday, 15 January 2026 at 13:00 CET. @gaphaz.bsky.social inivtes you to submit abstracts to GAPHAZ related sessions, e.g. www.egu26.eu/session/56844 www.egu26.eu/session/56644

Paper on tracking extinct glaciers in GLIMS by Bruce Raup et al. out in the @igsoc.bsky.social collection on Vanishing Glaciers. doi.org/10.1017/aog.... See all papers here www.cambridge.org/core/journal...

IACS at AGU2023

IACS at AGU2023

IACS will be at #AGU2025 in New Orleans! Come to our pod on Monday December 15th at 11am (pod 3 in the poster hall)!

Multi-model estimate of Antarctic ice-shelf basal mass budget and ocean drivers Abstract. Societal adaptation to rising sea levels requires robust projections of the Antarctic Ice Sheet's retreat, particularly due to ocean-driven basal melting of its fringing ice shelves. Recent ...

Joint IACS-IAPSO Commission on Ice-Ocean Interactions study on ice shelf basal melt and its drivers just came ou in the cryosphere, check out paper by Galton-Fenzi et al.: tc.copernicus.org/articles/19/... Data are available at data.aad.gov.au/metadata/RISE

IACS is plased to announce two new working groups:
-International classification of snow avalanches
-Cryosphere Stewardship
Read more in our December newsletter: cryosphericsciences.org/wp-content/u...

YouTube video by National Snow and Ice Data Center Thirty Years of GLIMS (Global Land Ice Measurements from Space)

Talk by Bruce Raup (NSIDC), summarizing the thirty-year history of GLIMS, with emphasis on more recent activity. www.youtube.com/watch?v=odWY.... GLIMS (Global Land Ice Measurements from Space) maps Earth's glaciers through time. Use GLIMS Glacier Viewer to explore & download glacier outlines.

YouTube video by National Snow and Ice Data Center Thirty Years of GLIMS (Global Land Ice Measurements from Space)

Talk by Bruce Raup (NSIDC), summarizing the thirty-year history of GLIMS, with emphasis on more recent activity. www.youtube.com/watch?v=odWY.... GLIMS (Global Land Ice Measurements from Space) maps Earth's glaciers through time. Use GLIMS Glacier Viewer to explore & download glacier outlines.

See report from special #IMC25 event on the disaster in Blatten in latest Oct newsletter cryosphericsciences.org/wp-content/u... @gaphaz.bsky.social

A new IACS Newsletter is available on our homepage.
We are pleased to announce a new IACS Working Group on Continuity approaches for mass balance Intercomparison eXercise (ContinuIX). cryosphericsciences.org/wp-content/u...

Looking for support to host a cryosphere-related event? The IACS offers up to €3000 in funding for workshops & educational activities that align with its objectives. Open to IACS members (free to join).
⏰ Next deadline: 1 October 2025.
🔗 Learn more ➡️ buff.ly/GyKd7l1
@iacscryo.bsky.social

IACS is pleased to announce a new working group (WG) on Compilation and Standardization of Snow on Sea Ice Data.
The working group will invite the larger sea ice community to contribute data. See full proposal and more details cryosphericsciences.org/activities/c...

Abstracts - CliC OSC 2026 Abstracts submit your abstract now Call for abstracts Abstract submission closes on 31 August 2025. A fee of NZD50 incl GST (approx. USD30) is applicable for each abstract submitted. Payment is requir...

Important updates on the Climate and Cryosphere Open Science Conference 2026: The abstract submission and travel grant application deadline has been extended to August 31st.
• Abstract guidelines: clic2026.com/abstracts
• Travel Grant info: clic2026.com/travel-grants

#BACO2025: Great science, good networking and very friendly atmosphere! We were warmly welcomed here in Busan, Republic of Korea, by the local organizers. We arranged a special session marking the 🏔❄️ #Glaciers2025 and had a plenary meeting & ECR lunch. IACS also arranged its annual meeting.

The Graham Cogley award is given by IACS to two students to recognize an oral and a poster presentation of exceptional quality at an IACS Assembly (held every two years). At #BACO2025 the awardees were Jung Hyun Park and Kai Man. Read about award & awardees: cryosphericsciences.org/awards/graha...

The IACS president @lissand.bsky.social, Secretary General Richard Essery and Vice-President @andrewmackintosh.bsky.social at IUGG business meeting in Incheon, Korea.

The IACS president @lissand.bsky.social, Secretary General Richard Essery and Vice-President @andrewmackintosh.bsky.social are participating at the IUGG Business Meeting in Incheon, Korea, this week. In July 2027, the next IUGG Assembly will take place at Songdo ConvensiA.

The IACS president @lissand.bsky.social, Secretary General Richard Essery and Vice-President @andrewmackintosh.bsky.social at IUGG business meeting in Incheon, Korea.

The IACS president @lissand.bsky.social, Secretary General Richard Essery and Vice-President @andrewmackintosh.bsky.social are participating at the IUGG Business Meeting in Incheon, Korea, this week. In July 2027, the next IUGG Assembly will take place at Songdo ConvensiA.

Guidelines for Meetings Support Guidelines for Application to IUGG Support of Scientific Meetings in 2026 The program of IUGG support for scientific meetings (e.g., workshops, advanced schools, symposia) is one of the most importan...

IACS is one of eight associations of the International Union of Geodesy and Geophysics (IUGG). IUGG offer Support for Scientific Meetings in 2026. The deadline is in September 2025. See details and guidelines; iugg.org/meetings/gui...

IACS events at BACO-25, Korea, include:
-IACS plenary talk by Ayako Abe-Ouchi
-IACS Plenary Meeting with activity updates & presentations by the IACS Early Career Award winners
-Festa Cryospherica dinner
-IACS Student and Early Career networking lunch
See details at cryosphericsciences.org/baco-25/

Photo of Breifonn, a vanishing glacier in southern Norway, for the call for papers for the Annals of Glaciology Collection on Vanishing Glacirs: https://www.igsoc.org/publications/annals-of-glaciology/2025-international-year-of-glaciers-preservation

Reminder: Call for Papers for the Annals of Glaciology Collection on #VanishingGlaciers, in observance of the UN 2025 International Year of Glaciers’ Preservation.
**Deadline for submissions extended to 30 June 2025**

--> www.igsoc.org/publications...

#Glaciology #OpenAccess #GlacierPreservation

The Karthaus 2025 Summer School on Ice Sheets and Glaciers in the Climate System took place on 19-29 May in Karthaus, Italy. IACS was one of the sponsors. Totally 36 students and 10 teachers participated representing 30 institutes & 15 different countries.
www.projects.science.uu.nl/iceclimate/k...

Vanishing glaciers - call for papers | IGS In observance of the UN 2025 International Year of Glaciers’ Preservation, the IGS is publishing a special Annals of Glaciology Collection with the theme

Deadline for paper submission to the thematic Annals of Glaciology collection on ‘Vanishing Glaciers is approaching: 30 June.

See www.igsoc.org/vanishing-gl... for details & author instructions. The focus is vanishing glaciers that are already extinct or threatened to disappear soon.

• A/Prof Yoshihiro Nakayama (Dartmouth College; IAPSO co-chair)

• A/Prof Lu An (Tongji University; IACS co-chair)

New co-chairs appointed to the IAPSO / IACS Joint Commission on Ice-Ocean Interactions (JCIOI) sites.google.com/view/jcioi/h.... Yoshihiro Nakayama (Dartmouth College) is new IAPSO co-chair and Lu An (Tongji University) is new IACS co-chair. They replace Isabel Nias & @fsmccormack.bsky.social.

The third circular of BACO-25 is out: baco-25.org/new/down/[BA... with much useful information. Note that 30 April is the deadline for author registration and Early Bird Registration. baco-25.org/new/sub3/sub...

Welcome!

Welcome to gaphaz! Follow us here for all things glacial and periglacial hazards. If this topic interests you, become a gaphaz member by signing up to our mailing list: send an email with the text "subscribe GAPHAZ-members" in the body (no other text or signatures etc.) to listserv@lists.ubc.ca

IACS is pleased to announce 2025 recipients of IACS Eary Career Scientist (ECS) Award: Marie Bouchet & Giacomo Traversa. The award is awarded to two ECSs who have published best scientific papers on a cryospheric subject as assessed by an evaluation committee. cryosphericsciences.org/awards/early...

Veronica Tollenaar

Veronica Tollenaar is the Early-career scientist (ESC) representative of IACS. Read her blogpost: iugg-ecs.org/early-career... “ECSNet: the IUGG Early-Career Scientists Network” received funding from IUGG in 2024, aiming to establish a dynamic new network form ECSs across all IUGG Associations.

International Day, Year and Decade: The UN Draws Attention to Glacier Preservation With a World Day for Glaciers on March 21, the UN is initiating a campaign to promote action to preserve the world’s glaciers.

Blog on the International Day, Year and Decade: The UN Draws Attention to Glacier Preservation by @columbiaclimate.bsky.social #Glaciers2025
news.climate.columbia.edu/2025/03/03/i...

IACS co-sponsors cryosphere-related workshops/events that further IACS Objectives, up to a maximum of 3000 Euros per event. Two deadlines: 1 April and 1 October (to be submitted at least three months prior to the event). See guidelines & application form: cryosphericsciences.org/grants/