Publications related to Ice | EPFL Graph Search

Modelling the small-scale deposition of snow onto structured Arctic sea ice during a MOSAiC storm using snowBedFoam 1.0.

Michael Lehning, Mahdi Jafari, Océane Hames, Marc Schneebeli Zeugin, David Nicholas Wagner

The remoteness and extreme conditions of the Arctic make it a very difficult environment to investigate. In these regions, the wind has a substantial effect and redistributes a large part of the snow, which complicates precipitation estimates. Moreover, th ...

2021

Secondary ice production in NorESM2 climate model: quantifying the impact on Arctic clouds

Athanasios Nenes, Georgia Sotiropoulou

Arctic clouds are among the largest sources of uncertainty in predictions of Arctic weather and climate. This is mainly due to errors in the representation of the cloud thermodynamic phase and the associated radiative impacts, which largely depends on the ...

Copernicus2021

Radar and ground-level measurements of precipitation collected by the Ecole Polytechnique Federale de Lausanne during the International Collaborative Experiments for PyeongChang 2018 Olympic and Paralympic winter games

Alexis Berne, Josué Etienne Gehring, Alfonso Ferrone, Nikola Besic

This article describes a 4-month dataset of precipitation and cloud measurements collected during the International Collaborative Experiments for PyeongChang 2018 Olympic and Paralympic winter games (ICE-POP 2018). This paper aims to describe the data coll ...

COPERNICUS GESELLSCHAFT MBH2021

Evolution and spatial variability of small-scale surface roughness of snow and sea ice during MOSAiC

Michael Lehning, Marc Schneebeli Zeugin, Dávid Wágner, David Nicholas Wagner

Small-scale surface roughness (on an area of about 0.5 m x 0.5 m) affects remote sensing retrieval algorithms and radiative transfer models, yet data of snow and ice surface roughness over sea ice is scarce. Microwave emissivity, important for satellite re ...

2021

Band gaps of liquid water and hexagonal ice through advanced electronic-structure calculations

Alfredo Pasquarello, Igor Reshetnyak, Thomas Bischoff

The fundamental band gaps of liquid water and hexagonal ice are calculated through advanced electronicstructure methods. We compare specifically the performance of state-of-the-art GW calculations with nonempirical hybrid functionals. For the latter, we fi ...

AMER PHYSICAL SOC2021

The impact of secondary ice production on Arctic stratocumulus

Athanasios Nenes, Georgia Sotiropoulou

In situ measurements of Arctic clouds frequently show that ice crystal number concentrations (ICNCs) are much higher than the number of available ice-nucleating particles (INPs), suggesting that secondary ice production (SIP) may be active. Here we use a L ...

COPERNICUS GESELLSCHAFT MBH2020

Version 1 of a sea ice module for the physics-based, detailed, multi-layer SNOWPACK model

Michael Lehning, Katherine Colby Leonard, Nander Wever

Sea ice is an important component of the global climate system. The presence of a snowpack covering sea ice can strongly modify the thermodynamic behavior of the sea ice, due to the low thermal conductivity and high albedo of snow. The snowpack can be stra ...

COPERNICUS GESELLSCHAFT MBH2020

Assessing the impact of ground ice degradation on high mountain lake environments (Lago Nero catchment, Swiss Alps)

Nicola Deluigi, Monica Bulgheroni

In high mountain hydrosystems, glacial meltwater composition is potentially affected by the degradation of alpine permafrost terrains and ground ice bodies releasing atmospheric pollutants that have been stored in permafrost terrains for several decades. I ...

SPRINGER BASEL AG2020

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Ice

Modelling the small-scale deposition of snow onto structured Arctic sea ice during a MOSAiC storm using snowBedFoam 1.0.

Secondary ice production in NorESM2 climate model: quantifying the impact on Arctic clouds

Radar and ground-level measurements of precipitation collected by the Ecole Polytechnique Federale de Lausanne during the International Collaborative Experiments for PyeongChang 2018 Olympic and Paralympic winter games

Evolution and spatial variability of small-scale surface roughness of snow and sea ice during MOSAiC

Band gaps of liquid water and hexagonal ice through advanced electronic-structure calculations

Ship-based measurements of ice nuclei concentrations over the Arctic, Atlantic, Pacific and Southern oceans

The impact of secondary ice production on Arctic stratocumulus

Multidecadal glacio-hydrological modelling of Parlung No.4 catchment, Tibet

Version 1 of a sea ice module for the physics-based, detailed, multi-layer SNOWPACK model

Assessing the impact of ground ice degradation on high mountain lake environments (Lago Nero catchment, Swiss Alps)

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Modelling the small-scale deposition of snow onto structured Arctic sea ice during a MOSAiC storm using snowBedFoam 1.0.

Secondary ice production in NorESM2 climate model: quantifying the impact on Arctic clouds

The impact of secondary ice production on Arctic stratocumulus

Radar and ground-level measurements of precipitation collected by the Ecole Polytechnique Federale de Lausanne during the International Collaborative Experiments for PyeongChang 2018 Olympic and Paralympic winter games

Band gaps of liquid water and hexagonal ice through advanced electronic-structure calculations

Evolution and spatial variability of small-scale surface roughness of snow and sea ice during MOSAiC

Assessing the impact of ground ice degradation on high mountain lake environments (Lago Nero catchment, Swiss Alps)

Version 1 of a sea ice module for the physics-based, detailed, multi-layer SNOWPACK model

Multidecadal glacio-hydrological modelling of Parlung No.4 catchment, Tibet

Ship-based measurements of ice nuclei concentrations over the Arctic, Atlantic, Pacific and Southern oceans