Frontiers Research Topic "About the Relevance of Snow Microstructure Study in Cryospheric Sciences"

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Frontiers Research Topic "About the Relevance of Snow Microstructure Study in Cryospheric Sciences"

MONTAGNAT Maurine-2
Please consider contributing to an article collection, to appear in the journal Frontiers in Earth Sciences, Cryospheric Sciences.

About the Relevance of Snow Microstructure Study in Cryospheric Sciences 

Snow is a ubiquitous material on the Earth Cryosphere, and its contribution to the climatic system, at all scales, is strong.
Physical properties of snow are largely determined by its microstructure. The general term microstructure thereby contains a crystallographic aspect, covering the c-axis orientational disorder, and a geometrical aspect, covering the porous-structural disorder. The crystallographic aspect is of key relevance to understand mechanical behavior and densification of snow in view of polar climatology. The geometrical aspect constitutes a key link to in-situ and remote sensing observation methods that probe the microstructure mainly by electromagnetic means. 
Methods to predict snow avalanches, to estimate the snow cover on Earth, to measure its temperature, to simulate snowpack evolution, etc., are increasing their reliability together with their complexity. By doing so, to account for an accurate representation of snow, microstructure is becoming a key challenge in the different related research fields.
Snow microstructure can be characterized by various parameters regarding the field of application. For instance, the Specific Surface Area (SSA) seems appropriate when dealing with the characterization of albedo, the optic diameter can be more adapted to the interpretation of remote sensing data, and the full texture can be required when trying to estimate the mechanical response.
This Research Topic therefore aims at gathering various contributions with a common interest in snow microstructure characterization, evolution, modeling, etc., in order to provide a “state of the art” in this domain. 
We welcome studies that address Snow Microstructure with a focus on:
- New proxies of snow microstructure;
- Experimental characterization of snow microstructure and its evolution in field and lab conditions;
- Modelling of snow microstructure evolution and numerical homogenization of snow physical properties; and
- Impact of snow microstructure on alpine and arctic processes under various time and spatial scales.

Submission deadline is 29 July 2019 (abstract to be submitted in April)

For more information, please go on the research topic site (here)

Maurine Montagnat, Melody Sandells, Pascal Hagenmuller, Guillaume Chambon and Johan Gaume

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For Overlay Journals in Mechanics (info)

GDR Recristallisation et croissance des grains (lien)

MONTAGNAT RENTIER Maurine
Directrice de recherche CNRS / CNRS Research Scientist
IGE - Institut des Géosciences de l’Environnement UMR5001(anciennement LGGE)
Glaciologie, 
54 rue Molière, 
38400 St Martin d’Hères cedex
33 (0)4 76 82 42 67 / fax : 33 (0)4 76 82 42 01

Adresse administrative CNRS - UGA, CS 40 700
38058 Grenoble cedex 9














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