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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 8h

Last Monday, experts and practitioners gathered at the #SLF for the #CERC workshop on #satellite radar interferometry (InSAR) to share knowledge, discuss methods and new challenges, and explore opportunities for collaboration. Another workshop in German is planned for May 2027.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 24/09/2026

In the #FloraRaetica project, the #SLF, together with partner organisations and assisted by volunteers, is investigating how #climatechange is affecting #plant diversity in #Graubünden. More: www.slf.ch/en/news/trac... 📷️ J. Bettzieche @christianrixen.bsky.social @ingridjansen.bsky.social

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WSL Umweltforschung @wslresearch.bsky.social · 15/09/2026

🪨 Using earthquake sensors, a research team led by WSL has reconstructed the #landslide at #Blatten. This is intended to improve analyses and predictions of such #natural hazards: www.wsl.ch/en/news/seis... @ethz.ch

wsl.ch

Seismic stations reveal what happened during the Blatten rock and ice avalanche

Using earthquake sensors, a research team has reconstructed the Blatten rock and ice avalanche. This is meant to help analyze such events.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 10/09/2026

The Hydrology & Climate Impacts in Mountain Regions research group at #SLF and @usyseth.bsky.social is looking for a doctoral student who is interested in working on the impacts of climate and hydrological extremes on water quality. More: jobs.ethz.ch/job/view/JOP... @manuelaibrunner.bsky.social

jobs.ethz.ch

Doctoral Student on impacts of climate and hydrological extremes on water quality

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 08/09/2026

From 3D printer to #rockavalanche: Researchers from #SLF and #ETH are using an accurate #3D model of the area around #Blatten to investigate what happens when #water, #ice and more thunder down into a valley. More: www.slf.ch/en/news/3d-p... 📹 R. Oester / SLF #CERC

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WSL Umweltforschung @wslresearch.bsky.social · 04/09/2026

🍁🚣🏼‍♀️Brown trees and dry riverbeds: WSL Director Rolf Holderegger explains in an interview what needs to be done after the summer of 2026. www.wsl.ch/en/news/the-... #Summer2026 #Drought #Heatwave

wsl.ch

'The summer of 2026 could be an eye-opener for society'

Brown trees and dry riverbeds: WSL Director Rolf Holderegger explains in an interview what needs to be done after the summer of 2026.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 03/09/2026

Jetzt streamen: SRF Einstein-Folge "Klima-Hotspot Alpen – Wandern im Engadin". Mit dabei vom SLF: @slfyvi.bsky.social über alpine Fernerkundungsmethoden am Piz Buin Pitschen und @annekempel.bsky.social über Murmel- und andere Tiere in einer wärmer werdenden Umwelt: www.srf.ch/play/tv/eins... 📷️ SRF

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 02/09/2026

❄️ #SLF scientists are constantly out and about in spectacular landscapes and experience awe-inspiring moments – such as these #snow researchers carrying out snow profile and #albedo measurements on the #Jungfraufirn in August 2026.⁠ ⁠ 📷️ Ruzica Dadic⁠

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 02/09/2026

Training course «Practice meets science» – register now: From 15 to 19 February 2027, the #SLF will once more organise an advanced training course on #snow and #avalanches. More information and registration: www.slf.ch/en/about-the... 📷️ SLF

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 31/08/2026

❄️ In #Canada, Pascal Haegeli was the only #avalanche researcher; now he heads the research unit Snow Avalanches and Prevention at the #SLF. In the interview, he explains how he intends to further develop his field of research: www.slf.ch/en/news/in-c... 📷️ J. Bettzieche / SLF #CERC

slf.ch

“In Canada, I was the only avalanche researcher.”

Pascal Haegeli, the new head of the SLF’s Snow Avalanches and Prevention research unit, talks about his plans for his field of research.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 25/08/2026

Gone with the Wind: The #SLF uses a unique research station to measure individual #snowflakes and how the #wind carries them. The findings improve #avalanche forecasting and #snow modelling, and help with planning of alpine #photovoltaic systems. More: www.slf.ch/en/news/gone... 📷️ R. Oester / SLF

slf.ch

Gone with the wind: SLF measures snowflakes

A special measuring station helps SLF researchers track wind-driven snow transport, for more accurate avalanche forecasts and snow models

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Reposted by WSL Institute for Snow and Avalanche Research SLF

WSL Umweltforschung @wslresearch.bsky.social · 21/08/2026

🍁🚣🏼‍♀️Forest trees which had turned brown by July, and water bodies with record-low levels: the summer of 2026 was extremely dry and hot. Experts from WSL and SLF answer frequently asked questions. www.wsl.ch/en/metanavig... #Drought #WaterShortage #forestecology #Forest #Energy #Heat

wsl.ch

The 2026 drought: Frequently asked questions and answers

The Swiss Federal Research Institute WSL studies forest, landscape, biodiversity, natural hazards and snow and ice. It is part of the ETH Domain.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 24/08/2026

🔥 What is a #forestfire? 🌎 What impact does #climatechange have? 🫕 What is the situation in #Switzerland? In our article on forest fires, our experts answer the most frequently asked questions: www.slf.ch/de/naturgefa... 📷️ Fachy Marin / Unsplash @wslresearch.bsky.social #WSL #CERC

A forest at night, with red-orange flames glowing and illuminating the smoke against the sky.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 21/08/2026

🔥When the deodorant spray gets too hot: a little experiment – not for research purposes this time, but for safety. ⁠ ⁠ This is what the fire safety training looked like for SLF staff. 💥 ⁠ 📸 SLF⁠ ⁠ #SLF #Fire #FireSafety #Training #Safety #Explosion

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 07/08/2026

🔥Trees damaged by #fire – a feast for #barkbeetles? 🌲SLF forest ecologist @alebottero.bsky.social assesses the risk in an interview. 🪳 Read the article here: www.slf.ch/en/news/fore... 📸 Theresa Banzer / SLF #SLF #SLFDavos #Forestfire

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 04/08/2026

🕷️Survey on ticks in Graubünden 🕷️⁠ 📋@annekempel.bsky.social want to find out at what altitudes these arachnids are now living in Graubünden – as climate change has caused them to migrate to higher ground. ⁠ ⁠ 💡Take part! limesurvey.wsl.ch/index.php/33... 📸 IPZ-FS / Francis Schaffner⁠ #SLF #Ticks

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 31/07/2026

🪲Looking for #insects, 🌱making seed bombs, ❄️testing snowballs for hardness and 🧊thawing #permafrost – that’s what the holiday activity programme at the SLF looked like this week. The #snowball fight at the end is, of course, a must. 😎 📸SLF #SLF #SLFDavos #holidayactivity #kids #experiments

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 21/07/2026

🔥SLF #forest #fire expert Julia Miller joins us for an interview to explain why so many 🌲forests in Europe are burning, why the situation is not going to improve - and why such #extreme events will become more frequent in the coming decades. More: www.slf.ch/en/news/were... 📸 Roman Oester / SLF

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 16/07/2026

New #flood projections based on hourly rather than daily #data show that 100-year floods could be 5 to 15 per cent more intense in the future and occur every 45 to 80 years. The main reason are short, more intense heavy #rainfall events. More: www.slf.ch/en/news/how-... 📷️ M. Brunner / SLF

A flooded street lined with trees, showing standing water covering the roadway. A no-entry sign is visible near the water's edge, while buildings can be seen in the background. The scene is overcast, indicating rainy weather.

A person stands on a rocky riverbank, wearing a red jacket and navy pants. The background features tall trees and some greenery, with clear water flowing in front. Sunlight creates a bright atmosphere, highlighting the natural setting.

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 08/07/2026

Dancing #snow at the #SLF #avalanche test site in the Vallée de la Sionne (Arbaz, VS), captured on a high-speed camera. A robust data-acquisition system is required to collect such videos and information from 185 sensors. After 20 years, it has been replaced. www.slf.ch/en/news/new-... 📹 I. Calic

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 30/06/2026

Coffee break – especially whilst installing a measuring station on the #Jungfraufirn. Over the next few years, the station will collect #weather data so that researchers can investigate the impact of #climatechange on #firn #snow. 📷️ Horst Machguth @unifr.bsky.social @ethz.ch

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 22/06/2026

#Job at #SLF in #Davos: For our #Snow and #Atmosphere research unit, we are looking for a PhD student who will validate and deploy DMAPS muon sensors for measuring Snow Water Equivalent (SWE) in alpine environments in collaboration with @psi.ch. More information: apply.refline.ch/273855/1876/...

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 16/06/2026

🌞 Light is energy, snowmelt, life and more. This makes it all the more important to know when, where and how much light reaches the ground in #Switzerland. #SLF researchers are now making precisely this data available to the public. More: www.slf.ch/en/news/new-... 📷️ M. Bolliger / C. Webster

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 12/06/2026

💧Too little rain and snow, too little water in the rivers: An interview with SLF hydrologist Manuela Brunner on the causes of the ongoing drought in Switzerland. More: www.slf.ch/en/news/the-... 📸Manuela Brunner / SLF #SLF #Snow #Rain #drought #snowmelt #water #river #lake #watershortages

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 10/06/2026

Plenty of water, fine-rich sediments and a steep slope – that's all it takes to create a hazardous #debrisflow. #SLF researchers studied ten different debris-flow channels in #Switzerland to gain a fuller understanding of flows. More: www.slf.ch/en/news/reci...

slf.ch

Recipe for hazardous debris flows

Research into ten Swiss debris flow channels is yielding valuable data for debris flow calculations.

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WSL Umweltforschung @wslresearch.bsky.social · 08/06/2026

To be prepared for the future, we need to understand the past and the present. That is why our researchers at WSL and @slfdavos.bsky.social collect data, build models and carry out observations. Read about how they do this and what they discover in the DIAGONAL magazine www.wsl.ch/en/publicati...

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 02/06/2026

#Job at #SLF in #Davos: For our Snow Physics research group we are looking for a PostDoc in Snow Isotope Modelling ❄️ More information and application: apply.refline.ch/273855/1873/...

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 01/06/2026

New #SLF management team: the renowned Davos-based institute is now being co-led by the four on-site heads of unit, with effect from 1 June 2026. Ruzica Dadic is the first woman in the SLF's top role and has taken over as head of the board. More: www.slf.ch/en/news/new-... @wslresearch.bsky.social

slf.ch

New SLF management team

Following the retirement of the former head of the SLF, the institute is now being co-led by the four on-site heads of unit.

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VAW Glaciology @vaw-glaciology.bsky.social · 29/05/2026

This week we welcomed Samuel Weber from SLF Davos to our glaciological seminar! He presented a physically based framework for understanding permafrost rock slope destabilization, combining lab experiments, field data, and mechanical modelling, with the Matterhorn as study site. @slfdavos.bsky.social

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Reposted by WSL Institute for Snow and Avalanche Research SLF

Anne Kempel @annekempel.bsky.social · 27/05/2026

Time to set up our @bugnet.bsky.social field sites for the season in @slfdavos.bsky.social after the snow has melted: Carole Schöpfer doing a great job in assembing all #opentopchambers and in creating this nice video 🥰

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 26/05/2026

"Die Vorstellung eines Klebers, der den Berg zusammenhält, ist für grosse Hanginstabilitäten [...] unpassend", sagt #SLF Forscher Robert Kenner über die gängige Meinung, #Permafrost sei wie ein Kleber. Details: www.slf.ch/de/news/perm... 📷️ 1: Marcello Negrini / 2: Stefan Suhner #CERC

slf.ch

Permafrost – das dünne Eis des Kenntnisstands

Was haben tauender Permafrost und schmelzende Gletscher mit Felsstürzen zu tun? Permafrost-Forscher Robert Kenner fasst zusammen.

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Reposted by WSL Institute for Snow and Avalanche Research SLF

CSCS - Swiss National Supercomputing Centre @cscsch.bsky.social · 13/05/2026

Even Antarctica is seeing stronger heatwaves due to climate change. Using #CSCS’s #Alps supercomputer, SLF researchers studied one of the continent’s most severe recent heatwaves and its impact on the Antarctic ice sheet. Discover more: www.cscs.ch/science/eart... @slfdavos.bsky.social

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Swiss Polar Institute @swisspolar.bsky.social · 11/05/2026

Cover photo © 2025 Matthias Jaggi, all rights reserved

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 16/04/2026

#Satellite radar #InSAR is transforming how we map and monitor #alpinehazards. Join the #CERC one-day workshop to learn how it works, its pros/cons, and how to apply it for mapping, monitoring and risk management. 📅 28 September 2026 📍 Davos Register now: cerc.slf.ch/en/workshop/

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 15/04/2026

#Avalanches: When will the house of cards collapse?⁠ #SLF PhD student Jakob Schöttner has examined 63 samples of weak layers in the cold laboratory – the tests show how great the compressive and shear forces must be for a fracture to occur. More: www.slf.ch/de/news/lawi... 📹️ J. Schöttner

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SCNAT @scnat.ch · 09/04/2026

🇨🇭🌡️ Die #Schweiz erwärmt sich doppelt so schnell wie der globale Durchschnitt - mit welchen #Folgen und welchen Handlungsoptionen? Der neueste #Bericht der @scnat.ch bietet eine aktuelle Übersicht über die wichtigsten wissenschaftlichen Erkenntnisse zum #Klimawandel 👉 proclim.scnat.ch/de/id/GJt7A?...

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SCNAT @scnat.ch · 09/04/2026

🇨🇭🌡️ La #Suisse se réchauffe deux fois plus vite que la moyenne mondiale : quelles #conséquences et surtout quelles #solutions ? Le nouveau #rapport de la @scnat.ch fait le point sur les #connaissances scientifiques actuelles sur le #changementclimatique 👉 proclim.scnat.ch/fr/id/GJt7A?...

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SCNAT @scnat.ch · 01/04/2026

📢 Lancement des inscriptions pour le 5e Congrès suisse du #paysage! Il se tiendra les 3 et 4 septembre à Davos, co-organisé par @wslresearch.bsky.social et le #FoLAP de la @scnat.ch. Vers le programme et les excursions ▶️ congrespaysage.ch/programme/ Pour s'inscrire 👉 congrespaysage.ch/inscription/

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SCNAT @scnat.ch · 01/04/2026

📢 Jetzt anmelden! Der 5. Schweizer #Landschaftskongress findet am 3. und 4. September in Davos statt - organisiert von @wslresearch.bsky.social und das #FoLAP der @scnat.ch. Zum Programm & Exkursionen ▶️ landschaftskongress.ch/programm/ Zur Anmeldung 👉 landschaftskongress.ch/anmeldung/

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 08/04/2026

In CH, #forests account for 20-30% of total #snow storage in #winter. On south-facing slopes, snow usually lingers longer in alpine forests than in the neighbouring open terrain. On north-facing slopes, the opposite is true, as SLF researchers found. More: www.slf.ch/en/news/how-... 📷️ V. Haagmans

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 31/03/2026

So war der Winter 2025/26: Ungünstiger Schneedeckenaufbau, sehr grosse Lawinengefahr im Februar, viele Lawinenunfälle Alle Infos gibt's im Winterrückblick: www.slf.ch/de/lawinenbu... 📷 M. Senn 1/3

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 12/03/2026

#Snow measurement in #Davos – day after day, year after year: since autumn 1936, researchers have been measuring snow data at #Weissfluhjoch every day. #SLF PhD students from the so-called Jochdienst explain what it means to them. More info: www.slf.ch/en/news/meas... 📹 J. Bettzieche

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 02/03/2026

From measurement to theory: Near #infrared light can be used to determine #snow #density precisely and quickly. #SLF researcher Lars Mewes has developed a new theory on this topic. Read more in the news article: www.slf.ch/en/news/new-... 📷️ Lars Mewes, SLF / Bruno Augsburger

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 26/02/2026

#SLF PhD student Anja Mödl is back in Switzerland and has brought with her the last logbook entry about her #Antarctic #expedition. In it, she talks about dismantling instruments, filling boxes, weathering storms and waiting for the flight back: www.slf.ch/en/news/good... 📷️ A. Mödl / R. Pirazzini

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 24/02/2026

Operationelle #Schnee Modelle – ein Blick hinter die Kulissen: Letzter Vortrag der Reihe "SLF Einblicke" mit Tobias Jonas. Donnerstag, 26. Feburar, 19.30 Uhr⁠ am #SLF in #Davos – alle Infos: www.slf.ch/de/veranstal... 📷️ White Risk

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WSL Institute for Snow and Avalanche Research SLF @slfdavos.bsky.social · 18/02/2026

Cracks in #snow spread faster than previously thought: at more than 100 meters per second 🚀 The new findings of #SLF researchers can help improve #avalanche size forecasts and #risk assessments. All details: www.slf.ch/en/news/crac... 📹️ SLF

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WSL Umweltforschung @wslresearch.bsky.social · 17/02/2026

Neu online: 28’000 historische #Fotos zu #Forschung, #Technik und Alltag seit 1902 aus den Archiven von WSL & SLF. Die digitalisierten Glasplatten, Dias und Filmnegative sind auf der #Bildplattform #E-Pics der ETH Zürich verfügbar. Mehr dazu: www.wsl.ch/de/news/hist... @ethz.ch #Fotoarchiv

wsl.ch

28‘000 historische Fotos zur Wald- und Lawinenforschung veröffentlicht

Die WSL und das SLF haben ihre ältesten Foto-Sammlungen digitalisiert. Die Bilder zeigen Forschung und Alltag seit über 120 Jahren.

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