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Discussion papers | Copyright
https://doi.org/10.5194/essd-2018-84
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

  15 Aug 2018

15 Aug 2018

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

57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325 m alt.)

Yves Lejeune, Marie Dumont, Jean-Michel Panel, Matthieu Lafaysse, Philippe Lapalus, Erwan Le Gac, Bernard Lesaffre, and Samuel Morin Yves Lejeune et al.
  • Univ. Grenoble Alpes, Université de Toulouse, Météo-France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, France

Abstract. In this paper, we introduce and provide access to a daily (1960–2017) and hourly (1993–2017) dataset of snow and meteorological data measured at the Col de Porte site, 1325ma.s.l, Charteuse, France. Site metadata and ancillary measurements such as soil properties and masks of the incident solar radiation are also provided. Weekly snow profiles are made available from September 1993 to April 2015. A detailed study of the uncertainties originating from both measurements errors and spatial variability within the measurement site is provided for several variables. We show that the estimates of the ratio of diffuse to total shortwave broadband irradiance is affected by an uncertainty of ±0.21. The estimated root mean squared deviation, that can be mainly attributed to spatial variability, is ±10 cm for snow depth, ±25kgm−2 for snow water and ±1K for soil temperature (±0.4K during the snow season). The daily dataset can be used to quantify the effect of climate change at this site with a reduction of the mean snow depth (Dec. 1st to April 30th of 39cm from 1960–1990 to 1990–2017 and an increase in temperature of +0.90K for the same periods. Finally, we show that the daily and hourly datasets are useful and appropriate for driving and evaluating a snowpack model over such a long period. The data are placed on the repository of the Observatoire des Sciences de l'Univers de Grenoble (OSUG) datacenter: https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.

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Yves Lejeune et al.
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Yves Lejeune et al.
Data sets

Solar Masks at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.SolarMask

Soil properties at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.Soil

Hourly in situ meteorological data at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.MetInsitu

Hourly SAFRAN meteorological data at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.MetSafran

Daily snow and meteorological data at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.MetSnowDaily

Hourly snow data at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.HourlySnow

Snow profiles at Col de Porte site Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, and S. Morin https://doi.org/10.17178/CRYOBSCLIM.CDP.2018.SnowProfile

Yves Lejeune et al.
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This paper introduces and provides access to a daily (1960–2017) and hourly (1993–2017) dataset of snow and meteorological data measured at the Col de Porte site, 1325 m a.s.l, Charteuse, France. The daily dataset can be used to quantify the effect of climate change at this site with a reduction of the mean snow depth of 39 cm from 1960–1990 to 1990–2017. The daily and hourly datasets are useful and appropriate for driving and evaluating a snowpack model over such a long period.
This paper introduces and provides access to a daily (1960–2017) and hourly (1993–2017) dataset...
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