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

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

<p>In this paper, we introduce and provide access to daily (1960–2017) and hourly (1993–2017) datasets of snow and meteorological data measured at the Col de Porte site, 1325&thinsp;m&thinsp;a.s.l., Chartreuse, France. Site metadata and ancillary measurements such as soil properties...

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Main Authors: Y. Lejeune, M. Dumont, J.-M. Panel, M. Lafaysse, P. Lapalus, E. Le Gac, B. Lesaffre, S. Morin
Format: Article
Language:English
Published: Copernicus Publications 2019-01-01
Series:Earth System Science Data
Online Access:https://www.earth-syst-sci-data.net/11/71/2019/essd-11-71-2019.pdf
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spelling doaj-99ca4012915f403f9ba17f6f2abfcf792020-11-24T23:48:34ZengCopernicus PublicationsEarth System Science Data1866-35081866-35162019-01-0111718810.5194/essd-11-71-201957 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)Y. Lejeune0M. Dumont1J.-M. Panel2M. Lafaysse3P. Lapalus4E. Le Gac5B. Lesaffre6S. Morin7Univ. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, FranceUniv. Grenoble Alpes, Université de Toulouse, Météo-France, Grenoble, France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, France<p>In this paper, we introduce and provide access to daily (1960–2017) and hourly (1993–2017) datasets of snow and meteorological data measured at the Col de Porte site, 1325&thinsp;m&thinsp;a.s.l., Chartreuse, 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 March 2018. A detailed study of the uncertainties originating from both measurement 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 (no unit). The estimated root mean square deviation, which mainly represents spatial variability, is ±10&thinsp;cm for snow depth, ±25&thinsp;kg&thinsp;m<sup>−2</sup> for the water equivalent of snow cover (SWE), and ±1&thinsp;K for soil temperature (±0.4&thinsp;K during the snow season). The daily dataset can be used to quantify the effect of climate change at this site, with a decrease of the mean snow depth (1 December to 30 April) of 39&thinsp;cm from the 1960–1990 period to the 1990–2017 period (40&thinsp;% of the mean snow depth for 1960–1990) and an increase in temperature of +0.90&thinsp;K 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) data centre: <a href="https://doi.org/10.17178/CRYOBSCLIM.CDP.2018" target="_blank">https://doi.org/10.17178/CRYOBSCLIM.CDP.2018</a>.</p>https://www.earth-syst-sci-data.net/11/71/2019/essd-11-71-2019.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Y. Lejeune
M. Dumont
J.-M. Panel
M. Lafaysse
P. Lapalus
E. Le Gac
B. Lesaffre
S. Morin
spellingShingle Y. Lejeune
M. Dumont
J.-M. Panel
M. Lafaysse
P. Lapalus
E. Le Gac
B. Lesaffre
S. Morin
57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)
Earth System Science Data
author_facet Y. Lejeune
M. Dumont
J.-M. Panel
M. Lafaysse
P. Lapalus
E. Le Gac
B. Lesaffre
S. Morin
author_sort Y. Lejeune
title 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)
title_short 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)
title_full 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)
title_fullStr 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)
title_full_unstemmed 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325&thinsp;m of altitude)
title_sort 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (col de porte, france, 1325&thinsp;m of altitude)
publisher Copernicus Publications
series Earth System Science Data
issn 1866-3508
1866-3516
publishDate 2019-01-01
description <p>In this paper, we introduce and provide access to daily (1960–2017) and hourly (1993–2017) datasets of snow and meteorological data measured at the Col de Porte site, 1325&thinsp;m&thinsp;a.s.l., Chartreuse, 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 March 2018. A detailed study of the uncertainties originating from both measurement 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 (no unit). The estimated root mean square deviation, which mainly represents spatial variability, is ±10&thinsp;cm for snow depth, ±25&thinsp;kg&thinsp;m<sup>−2</sup> for the water equivalent of snow cover (SWE), and ±1&thinsp;K for soil temperature (±0.4&thinsp;K during the snow season). The daily dataset can be used to quantify the effect of climate change at this site, with a decrease of the mean snow depth (1 December to 30 April) of 39&thinsp;cm from the 1960–1990 period to the 1990–2017 period (40&thinsp;% of the mean snow depth for 1960–1990) and an increase in temperature of +0.90&thinsp;K 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) data centre: <a href="https://doi.org/10.17178/CRYOBSCLIM.CDP.2018" target="_blank">https://doi.org/10.17178/CRYOBSCLIM.CDP.2018</a>.</p>
url https://www.earth-syst-sci-data.net/11/71/2019/essd-11-71-2019.pdf
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