AlpIce-1

Dated palaeoglacier fluctuations in the Alps, from the Last Glacial Maximum to the Holocene

Kamleitner et al. (2026), Boreas · Data

Layers

Individual ages ¹⁰Be, ³⁶Cl and ¹⁴C dates

Event ages plotted at the mean location of associated individual ages

Landform catalogue colour coded like the associated event age; dashed: landform not dated

Colour by

Age 30+ – 0 ka

Thousand years before present. Grey: no recalculated age.

Filters ages and events

Method

Confidence individual ages

Palaeoglaciological context

Type of landform/unit dated

Today (2015–2017) Paul et al. (2020)

Little Ice Age Reinthaler and Paul (2025)

Last Glacial Maximum modified after Ehlers et al. (2011); smaller ice patches outside it after GLACIMONTIS, Lima et al. (2026)

Hillshade over satellite

Strength 30%

Place labels

We welcome corrections, missing information as well as relevant studies not yet included in AlpIce-1, especially newly published work, via e-mail. All incoming information will be archived for possible future versions of the AlpIce database.

Data: AlpIce-1, Kamleitner, S., Ivy-Ochs, S., Leger, T. P. M., Henz, A., Nussbaumer, S. U., Vieli, A. and Jouvet, G. (2026), Boreas. Tables and GIS files: Zenodo, doi:10.5281/zenodo.21841122. Please cite the paper when using the data, and the original studies linked in each record.

Glacier outlines: Last Glacial Maximum: modified after Ehlers, J., Gibbard, P. L. and Hughes, P. D. (2011), Quaternary glaciations – extent and chronology, Elsevier, with smaller ice patches outside it added from GLACIMONTIS (Lima et al., 2026, Scientific Data; data, CC BY 4.0); smoothed, ice-free peaks inside removed. Little Ice Age: Reinthaler and Paul (2025). 2015–2017: Paul et al. (2020), CC BY 4.0. Simplified for display.

Funding: Swiss National Science Foundation, project RECONCILE (200020_213077/1), granted to Guillaume Jouvet (University of Lausanne), Andreas Vieli and Samuel U. Nussbaumer (both University of Zurich).

Website: Andreas Henz with Claude (Anthropic), reviewed by Sarah Kamleitner; based on the Little Ice Age glacier viewer and Luis Q. Gentner's GLACE viewer.

Map data: terrain © Mapterhorn; imagery © Esri, Vantor, Earthstar Geographics and the GIS User Community (a mosaic of images from different years, in the Alps mostly 2021–2025, partly national orthophotos such as swisstopo's SWISSIMAGE); labels © OpenStreetMap contributors, served by Protomaps (or Esri when the page is opened from disk); rendering by MapLibre.

This is a non-commercial research site. The basemap, imagery and terrain are used under their providers' terms and attribution requirements.

Statistics: visits and clicks are counted anonymously with GoatCounter, without cookies or personal data.