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Discussion papers | Copyright
https://doi.org/10.5194/essd-2018-74
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Review article 25 Jun 2018

Review article | 25 Jun 2018

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Earth System Science Data (ESSD).

A meteorological and blowing snow dataset (2000–2016) from a high-altitude alpine site (Col du Lac Blanc, France, 2720 m a.s.l.)

Gilbert Guyomarc'h1,a, Hervé Bellot2, Vincent Vionnet1,3, Florence Naaim Bouvet2, Yannick Déliot1, Firmin Fontaine2, Philippe Puglièse1, Mohamed Naaim2, and Kouichi Nishimura4 Gilbert Guyomarc'h et al.
  • 1Météo-France - CNRS, CNRM – UMR 3589, CEN, St-Martin d'Hères, France
  • 2Univ. Grenoble Alpes, IRSTEA, UR ETNA, F-38042 St-Martin-d'Hères, France
  • 3Centre for Hydrology, University of Saskatchewan, Saskatoon, SK, Canada
  • 4Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan
  • anow at: Météo France, DIRAG, Point à Pitre, Guadeloupe, France

Abstract. A meteorological and blowing snow dataset issued from the high-altitude experimental site of Col du Lac Blanc (2720m altitude, Grandes Rousses mountain range, France) is presented and detailed in this paper. Emphasis is placed on data relevant to the observations and modelling of wind-induced snow transport in alpine terrain. This process strongly influences the spatial distribution of snow cover in mountainous terrain with consequences for snowpack, hydrological and avalanche hazard forecasting. In-situ data consist of wind (speed and direction), snow depth, and air temperature measurements (recorded at four automatic weather stations), a database of blowing snow occurrence and measurements of blowing snow fluxes obtained from a vertical profile of Snow Particle Counters. Observations data span the period from December 1st to March 31st for each winter season from 2000–2001 until 2015–2016. The time resolution varies from 15min. at the beginning of the period to 10min. for the last years. Atmospheric data from a local meteorological reanalysis (SAFRAN) are also provided from 1 August 2000 to 1 August 2016. A Digital Elevation Model (DEM) of the study area (1,5km2) at 20-cm resolution is also provided in RGF 93 Lambert 93 coordinates This dataset has been used in the past to develop and evaluate physical parameterizations and numerical models of blowing and drifting snow in alpine terrain. Col du Lac Blanc is also a target site to evaluate meteorological and climate models in alpine terrain. It belongs to the Cryobs-Clim observatory (the CRYosphere, an OBServatory of the CLIMate) which is a part of the national research infrastructure OZCAR (Critical Zone Observatories – Application and Research) (Gaillardet et al., 2018). The data are placed on the repository of the OSUG datacenter https://doi.org/10.17178/CRYOBSCLIM.CLB.all.

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A meteorological and blowing snow dataset issued from the high-altitude experimental site of Col du Lac Blanc (2720 m altitude, Grandes Rousses mountain range, France) is presented and detailed in this paper. Emphasis is placed on data relevant to the observations and modelling of wind-induced snow transport in alpine terrain.
A meteorological and blowing snow dataset issued from the high-altitude experimental site of Col...
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