Goal of the
Working Group

The working group aims at initiating the discussion on the interpretation and use of data provided by newly developed instruments in view of necessity and sufficiency for an “optimal” description of physical properties of snow. As a basis for comparison, recommendations on the use of such variables are provided for the work with snow observations based on the newly developed instrumentations.
Special emphasis is dedicated to the exchange of scientific ideas regarding the choice of newly developed physical variables which can be unambiguously defined and incorporated in microscopic and macroscopic snowpack models. The previous issue will serve as a firm basis to trigger necessary ideas on upscaling and homogenization of snow models.
Only by bridging the apparent gap in model scales, macroscopic models will ultimately benefit from advances developed at the microscopic scale.

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IACS Working group
Division on Snow and Avalanches

From quantitative stratigraphy to microstructure-based modelling of snow
(2012 - 2016)


WG Co-chairs : Samuel Morin (samuel.morinmeteo.fr)
  Henning Löwe (loeweslf.ch)
WG members : list available on request.



Upcoming events

News :

2016-01-07: The presentations given at the Grain Size Workshop, MicroSnow1 and MicroSnow2 are now hosted on the NSIDC website. Enormous thanks to Mary Jo and her colleagues at NSIDC, particularly Michon Scott and Agnieszka Gautier for their help. Please feel free to access these, although please ask the authors if you would like to reuse the content. Also, please contact Mary Jo if you would like to post anything to the 'News' section.
Mellody Sandells

From 02-05 April the first international  „Snow Grain Size Workshop - Measurements and Applications“  was held in Grenoble, France. The workshop was organized by G. Picard (LGGE), H. Löwe (WSL/SLF) and S. Morin (CNRM-GAME/CEN), with local support from LGGE and CNRM-GAME/CEN. The 50 participants came from  France, Switzerland, Japan, Finland, USA, United Kingdom, Netherlands, White Russia, Canada, Luxembourg, Norway, Germany and Turkey.

The goal of the workshop was to gather snow grain size specialists and initiate discussions and activities about i) the accuracy and comparability of existing methods, which provide objective grain size estimates in the field ii) the scope and limitations of commonly used  grain size variables. Measurement devices brought by the participants were demonstrated by the experts during the field excursion to La Grave. For details of the program cf. (http://snowgrain2013.sciencesconf.org/). The workshop was sponsored by Labex OSUG@2020, Microdice (ESF), IACS, Meteo-France and LGGE. [top]

In front of LGGE in Grenoble

In the field on "glacier de la Girose"


Upcoming events :