Publications

”One part of knowledge consists in being ignorant of such things as are not worthy to be known.” – Crates.

Journal Articles

2019

Preferential Deposition of Snow and Dust Over Hills: Governing Processes and Relevant Scales

F. Comola; M. G. Giometto; S. T. Salesky; M. B. Parlange; M. Lehning 

Journal of Geophysical Research-Atmospheres. 2019-07-27. Vol. 124, num. 14, p. 7951-7974. DOI : 10.1029/2018JD029614.

Cohesion-Induced Enhancement of Aeolian Saltation

F. Comola; J. Gaume; J. F. Kok; M. Lehning 

Geophysical Research Letters. 2019-05-28. Vol. 46, num. 10, p. 5566-5574. DOI : 10.1029/2019GL082195.

Spatiotemporal dynamics of snow erosion, deposition and horizontal mass flux

P. Crivelli; E. Paterna; M. Lehning 

Journal Of Glaciology. 2019-04-01. Vol. 65, num. 250, p. 249-262. DOI : 10.1017/jog.2019.3.

Reich Ernte com Gipfel

A. Kahl 

Photovoltaik. 2019-02-14. Vol. 75212, num. 1-2019.

The bright side of PV production in snow-covered mountains

A. Kahl; J. Dujardin; M. Lehning 

Proceedings of the National Academy of Sciences. 2019-01-07. Vol. 116, num. 4, p. 1162-1167. DOI : 10.1073/pnas.1720808116.

The Importance of Near-Surface Winter Precipitation Processes in Complex Alpine Terrain

F. Gerber; R. Mott; M. Lehning 

Journal of Hydrometeorology. 2019. Vol. 20, p. 177-196. DOI : 10.1175/JHM-D-18-0055.1.

2018

On the suitability of the Thorpe-Mason model for calculating sublimation of saltating snow

V. Sharma; F. Comola; M. Lehning 

Cryosphere. 2018-11-09. Vol. 12, num. 11, p. 3499-3509. DOI : 10.5194/tc-12-3499-2018.

How Are Turbulent Sensible Heat Fluxes and Snow Melt Rates Affected by a Changing Snow Cover Fraction?

S. Schloegl; M. Lehning; R. Mott 

Frontiers In Earth Science. 2018-10-22. Vol. 6, p. 154. DOI : 10.3389/feart.2018.00154.

Improvement of Wind Power Assessment in Complex Terrain: The Case of COSMO-1 in the Swiss Alps

B. Kruyt; J. Dujardin; M. Lehning 

Frontiers In Energy Research. 2018-10-16. Vol. 6, p. 102. DOI : 10.3389/fenrg.2018.00102.

Representation of Horizontal Transport Processes in Snowmelt Modeling by Applying a Footprint Approach

S. Schlogl; M. Lehning; C. Fierz; R. Mott 

Frontiers In Earth Science. 2018-10-08. Vol. 6, p. 120. DOI : 10.3389/feart.2018.00120.

Spatial variability in snow precipitation and accumulation in COSMO–WRF simulations and radar estimations over complex terrain

F. Gerber; N. Besic; V. Sharma; R. Mott; M. Daniels et al. 

The Cryosphere. 2018-10-04. Vol. 12, num. 10, p. 3137-3160. DOI : 10.5194/tc-12-3137-2018.

Investigation of a wind-packing event in Queen Maud Land, Antarctica

C. G. Sommer; N. Wever; C. Fierz; M. Lehning 

Cryosphere. 2018-09-14. Vol. 12, num. 9, p. 2923-2939. DOI : 10.5194/tc-12-2923-2018.

Stress Concentrations in Weak Snowpack Layers and Conditions for Slab Avalanche Release

J. Gaume; G. Chambon; A. van Herwijnen; J. Schweizer 

Geophysical Research Letters. 2018-08-28. Vol. 45, num. 16, p. 8363-8369. DOI : 10.1029/2018GL078900.

Coupled Snow Cover and Avalanche Dynamics Simulations to Evaluate Wet Snow Avalanche Activity

N. Wever; C. V. Valero; F. Techel 

Journal Of Geophysical Research-Earth Surface. 2018-08-01. Vol. 123, num. 8, p. 1772-1796. DOI : 10.1029/2017JF004515.

A mechanically-based model of snow slab and weak layer fracture in the Propagation Saw Test

L. Benedetti; J. Gaume; J-T. Fischer 

International Journal of Solids and Structures. 2018-02-09. Vol. 158, p. 1-20. DOI : 10.1016/j.ijsolstr.2017.12.033.

Wind Tunnel Experiments: Influence of Erosion and Depositionon Wind-Packing of New Snow

C. Sommer; M. Lehning; C. Fierz 

FRONTIERS IN EARTH SCIENCE. 2018. Vol. 6. DOI : 10.3389/feart.2018.00004.

Snow farming: conserving snow over the summer season

T. Grunewald; F. Wolfsperger; M. Lehning 

CRYOSPHERE. 2018. Vol. 12, num. 1, p. 385-400. DOI : 10.5194/tc-12-385-2018.

Near-surface ventilation as a key for modeling the thermal regime of coarse blocky rock glaciers

L. Pruessner; M. Phillips; D. Farinotti; M. Hoelzle; M. Lehning 

PERMAFROST AND PERIGLACIAL PROCESSES. 2018. Vol. 29, num. 3, p. 152-163. DOI : 10.1002/ppp.1978.

Modeling the influence of snow cover temperature and water content on wet-snow avalanche runout

C. Valero; N. Wever; M. Christen; P. Bartelt 

NATURAL HAZARDS AND EARTH SYSTEM SCIENCES. 2018. Vol. 18, num. 3, p. 869-887. DOI : 10.5194/nhess-18-869-2018.

Hydrological response of two high altitude Swiss catchments to energy balance and temperature index melt schemes

A. Shakoor; A. Burri; M. Bavay; N. Ejaz; A. Ghumman et al. 

POLAR SCIENCE. 2018. Vol. 17, p. 1-12. DOI : 10.1016/j.polar.2018.06.007.

Evolution of flow characteristics through finite-sized wind farms and influence of turbine arrangement

V. Sharma; G. Cortina; F. Margairaz; M. Parlange; M. Calaf 

RENEWABLE ENERGY. 2018. Vol. 115, p. 1196-1208. DOI : 10.1016/j.renene.2017.08.075.

31 years of hourly spatially distributed air temperature, humidity, and precipitation amount and phase from Reynolds Critical Zone Observatory

P. Kormos; D. Marks; M. Seyfried; S. Havens; A. Hedrick et al. 

EARTH SYSTEM SCIENCE DATA. 2018. Vol. 10, num. 2, p. 1197-1205. DOI : 10.5194/essd-10-1197-2018.

Snowmelt-Driven Trade-Offs Between Early and Late Season Productivity Negatively Impact Forest Carbon Uptake During Drought

J. F. knowles 

Geophysical Research Letters. 2018. Vol. 45, num. 5. DOI : 10.1002/2017GL076504.

2017

Les tests de stabilité à la loupe

J. Gaume; A. van Herwijnen 

Neige et avalanches. 2017-04-04. num. 157, p. 15-16.

Assessing snow instability in skier-triggered snow slab avalanches by combining failure initiation and crack propagation

J. Gaume; B. Reuter 

Cold Regions Science And Technology. 2017. Vol. 144, p. 6-15. DOI : 10.1016/j.coldregions.2017.05.011.

Wind tunnel experiments: saltation is necessary for wind-packing

C. G. Sommer; M. Lehning; C. Fierz 

Journal Of Glaciology. 2017. Vol. 63, num. 242, p. 950-958. DOI : 10.1017/jog.2017.53.

Dynamical Behavior and Stability Analysis of Hydromechanical Gates

F. A. Bernhard; P. Perona 

Journal Of Irrigation And Drainage Engineering. 2017. Vol. 143, num. 9, p. 04017039. DOI : 10.1061/(Asce)Ir.1943-4774.0001209.

Impact of Extreme Land Surface Heterogeneity on Micrometeorology over Spring Snow Cover

R. Mott; S. Schlogl; L. Dirks; M. Lehning 

Journal Of Hydrometeorology. 2017. Vol. 18, num. 10, p. 2705-2722. DOI : 10.1175/Jhm-D-17-0074.1.

Influence of slope-scale snowmelt on catchment response simulated with the Alpine3D model

T. J. Brauchli; E. Trujillo; H. Huwald; M. Lehning 

Water Resources Research. 2017. DOI : 10.1002/2017WR021278.

Conference Papers

2018

Is the Thorpe and Mason model valid for drifting and blowing snow?

V. Sharma; F. Comola; M. Lehning 

2018-04. EGU General Assembly Conference Abstracts, Vienna, Austria, April 4-13, 2018. p. 16587.

Avalanche pressures at the Vallée de la Sionne test site: interaction of avalanches and narrow strictures studied with DEM.

M. Kyburz; B. Sovilla; J. Gaume; C. Ancey 

2018. Proceedings of the International Snow Science Workshop 2018, Innsbruck, Austria, 2018.

Modeling the Propagation Saw Test with Discrete Elements

G. Bobillier; J. Gaume; A. van Herwijnen; J. Dual; J. Schweizer 

2018. Proceedings of the International Snow Science Workshop 2018, Innsbruck, Austria, 2018.

Unified modeling of the release and flow of snow avalanches using MPM.

J. Gaume; T. Gast; J. Teran; A. van Herwijnen; C. Jiang 

2018. Proceedings of the International Snow Science Workshop 2018, Innsbruck, Austria, 2018.

Reviews

2018

A simulation of a large-scale drifting snowstorm in the turbulent boundary layer

W. Zhengshi; J. Shuming 

2018-06. 

The European mountain cryosphere: a review of its current state, trends, and future challenges

M. Beniston; D. Farinotti; M. Stoffel; L. M. Andreassen; E. Coppola et al. 

The Cryosphere. 2018-03-01. Vol. 12, p. 759-794. DOI : 10.5194/tc-12-759-2018.

Theses

2019

Potential and uncertainty of wind energy in the Swiss Alps

A. C. Kruyt / M. Lehning (Dir.)  

Lausanne, EPFL, 2019. 

2018

Wind-packing of snow: How do wind crusts form?

C. G. Sommer / M. Lehning; C. Fierz (Dir.)  

Lausanne, EPFL, 2018. 

Small-scale spatio-temporal dynamics of snowmelt and its influence on runoff generation in a high Alpine catchment

T. J. Brauchli / M. Lehning; W. H. Huwald (Dir.)  

Lausanne, EPFL, 2018. 

Investigation of snow melt dynamics and boundary layer processes over a melting snow surface

S. Schlögl / M. Lehning; R. M. Mott-Grünewald (Dir.)  

Lausanne, EPFL, 2018. 

From the clouds to the ground – Effects of flow-precipitation interactions on snow distribution in complex alpine terrain

F. Gerber / M. Lehning; R. M. Mott-Grünewald (Dir.)  

Lausanne, EPFL, 2018. 

Interactions between drifting snow and surface dynamics

P. Crivelli / M. Lehning (Dir.)  

Lausanne, EPFL, 2018. 

Snowpack runoff formation processes during rain-on-snow events

S. Würzer / M. Lehning; T. Jonas (Dir.)  

Lausanne, EPFL, 2018. 

Numerical Experiments of Atmospheric Boundary Layer flows

V. Sharma / M. Lehning; M. Parlange (Dir.)  

Lausanne, EPFL, 2018. 

Posters

2018

Large wind farms can destroy stratocumulus clouds-evidence from large eddy simulations.

V. Sharma; K. Pressel; M. Parlange; M. Lehning; M. Calaf 

AGU Fall Meeting 2018, Washington DC, December 10-14, 2018.

Trends in Swiss river discharge and temperatures under climate change: observations and simulations

A. Michel; T. J. Brauchli; B. Schaefli; m. Bavay; H. Huwald et al. 

Local snow transport and surface evolution processes in East Antarctica

H. Huwald; E. Sauvageat; V. Sharma; F. Comola; N. Wever et al. 

American Geophysical Union (AGU) Fall Meeting, Washington DC, December 2018.

2017

Complementing hydropower with PV and wind: Optimal energy mix in a fully renewable Switzerland

J. Dujardin; A. Kahl; B. Kruyt 

EGU, Vienna, Austria, 2017.

Optimization of photovoltaic potential and its integration in Switzerland using genetic algorithm and optimal power flow

J. Dujardin; A. Kahl; B. Kruyt 

Talks

2019

NUMERICAL WEATHER MODELS FOR RESOURCE ASSESSMENT OF ALPINE WIND POWER

B. Kruyt 

EnergieForschungsGespräche 2019, Disentis, Switzerland, 23.01-25.01.2019.

2018

Unified modeling of avalanche release and flow using MPM

J. Gaume 

OSUG Snow workshop, Centre d’Etude de la Neige, MétéoFrance, Grenoble, France,

Unified modeling of snow and avalanche mechanics using the material point method

J. Gaume 

EPFL IIE Seminar Series, EPFL, Lausanne, Switzerland,

The impact of snow on solar PV production

A. Kahl; J. Dujardin; B. Kruyt; M. Lehning 

Weekly Seminar at the Swiss Snow and Avalanche Research Institute (SLF/WSL), Davos, Switzerland, 2018-01-17.

Revisiting the Thorpe-Mason model for calculating sublimation of saltating snow

V. Sharma; F. Comola; M. Lehning 

Polar 2018, Davos, Switzerland, June 2018.

Dense flow avalanche pressure on obstacle studied with DEM

M. Kyburz; B. Sovilla; J. Gaume; C. Ancey 

EGU, Vienna, Austria, April 09-13, 2018.

Micromechanical modeling of crack propagation for snow slab avalanche release. Workshop: Accounting for phase transitions in granular media: from micromechanics to macroscopic unified modeling

G. Bobillier; J. Gaume; A. van Herwijnen; J. Dual; J. Schweizer 

Milano, Italy, September 6-7, 2018.

Modeling crack propagation for snow slab avalanche release with discrete elements

G. Bobillier; J. Gaume; A. van Herwijnen; J. Dual; J. Schweizer 

ECCM ECFD, Glasgow, UK , 2018.

Dense flow avalanche pressure on obstacle studied with DEM

M. Kyburz; B. Sovilla; J. Gaume; C. Ancey 

ECCM ECFD, Glasgow, UK, 2018.

Dynamics of propagating anticracks in snow slab avalanches

J. Gaume 

EGU, Vienna, Austria, April 09-13, 2018.

Unified modeling of the release and flow of snow avalanches using MPM

J. Gaume 

EGU, Vienna, Austria, April 09-13, 2018.

Unified modeling of the release and flow of snow avalanches using the material point method

J. Gaume; T. Gast; J. Teran; A. van Herwijnen; C. Jiang 

ECCM ECFD, Glascow, UK, 2018.

From the Clouds to the Ground – Snow Precipitation Patterns in Complex Terrain

F. Gerber; N. Besic; V. Sharma; M. Daniels; R. Mott et al. 

POLAR2018, Davos, Switzerland, 19 June 2018.

WeSenseIt – Tausende Augen auf Wasser und Umwelt

H. Huwald 

Citizen Science – Gemeinsam forschen und lernen in Hydrologie und Limnologie, Zürich, Switzerland, June 2018.

Local surface mass balance processes in East Antarctica

H. Huwald; N. Wever; E. Sauvageat; F. Comola; V. Sharma et al. 

Polar2018, Davos, Switzerland, June 2018.

2017

Unified modeling of slab avalanche release and flow using the material point method

J. Gaume 

SLF Seminar, Davos, Switzerland,

The bright side of snow cover effect on PV production – How to lower the seasonal mismatch between electricity supply and demand in a fully renewable Switzerland

A. Kahl; J. Dujardin; S. Dupuis; M. Lehning 

European Geophysical Union, Vienna, Austria, 23.-28.04.2017.

A Swiss electrical model

J. Dujardin 

The bright side of snow cover effects on PV production – How to lower the seasonal mismatch between electricity supply and demand in a fully renewable Switzerland

A. Kahl; J. Dujardin; S. Dupuis; M. Lehning 

EGU General Assembly 2017, Vienna, Austria, 8-13.April 2017.

Student Projects

2018

Modelling the arctic snowpack properties in Svalbard using SNOWPACK

M. Praz 

2018.

2017

Modeling the influence of fast sintering on snow failure using cohesive discrete elements

D. Mulak 

2017-06-14.

Modeling weak layer failure using non-associated plasticity

J. Volmer 

2017-06-14.

Media

2019

Deep inside the deadly avalanche that climate change built

J. Gaume 

2019-02-06.

Medienanlass zur Wolken- und Schneemesskampagne von SLF, ETHZ u.a. in Davos Wolfgang.

M. Lehning 

2019.

2018

Cinq distinctions du FNS pour des professeurs de l’EPFL

N. Papageorgiou 

2018-12-04.

Suprématie helvétique du savoiret du faire? Danger d’avalanches.

P. Fauchere 

2018-11-24.

Des simulations réalistes d’avalanches de plaque

L. Streit 

2018-11-17.

EPFL scientists head to Antarctica to study snow and icecaps

S. Perroud 

2018-10-11.

Documenting the effects of climate change in Siberia

S. Perroud 

2018-08-16.

A mind-bending avalanche animation that could save your life

S. Matt 

2018-08-13.

A Mind-Bending Avalanche Animation That Could Save Your Life

M. Simon 

2018-08-13.

Lawinenforscher arbeiteten für «Frozen»-Film

J. Gaume 

2018-08-07.

The subtle mechanics of an avalanche – as seen in 3D

S. Perrin 

2018-08-06.

L’avalanche de plaque prédite en 3D

J. Gaume 

2018-08-06.

3D animation shows what happens when an avalanche strikes

J. Gabbatiss 

2018-08-06.

Avalanche prediction model a boon for rescuers and filmmakers

J. Gaume 

2018-08-04.

The subtle mechanics of an avalanche – as seen in 3D

J. Gaume 

2018-08-03.

The ‘unprecedented’ 3D animation that reveals what really happens when a killer avalanche hits

M. Prigg 

2018-08-03.

POLAR2018 – Where the Poles come together

M. Heggli 

2018-06-19.

Polarforscher in der Schweiz

M. Lehning 

2018-06-19.

Davos als Hotspot der Polarforschung

B. Zier 

2018-03-19.

Un nouveau modèle pour limiter le risque d’avalanche

J. Robyr 

2018-02-07.

Des avalanches d’un nouveau type

M. Lehning 

2018-01-29.

Da donnert was ganz Neues ins Tal

J. Laukenmann 

2018-01-27.

2017

Johan Gaume a mis au point un nouveau modèle pour évaluer les conditions de déclenchement des avalanches.

M. Haerty 

2017-03-03.

Johan Gaume a mis au point un nouveau modèle pour évaluer les conditions de déclenchement des avalanches

J. Gaume 

2017-03-03.

Un nouveau modèle pour limiter le risque d’avalanche

J. Robyr 

2017-02-07.

Un modèle numérique pour prévenir les avalanches

J. Gaume 

2017-02-05.

Du nouveau dans la prévision du risque d’avalanche

J. Gaume 

2017-02-01.

Du nouveau dans la prévision du risque d’avalanche

J. Gaume 

2017-02-01.

Towards a better forecast of slab avalanches

J. Gaume 

2017-01-31.

Datasets

2018

Dataset on PV Production in Snow Covered Mountains

M. Lehning; A. Kahl; J. Dujardin 

2018.