A snow cover climatology for the Pyrenees from  MODIS snow products

Gascoin, S.; Hagolle, O.; Huc, M.; Jarlan, L.; Dejoux, J.-F.; Szczypta, C.; Marti, R.; Sánchez, R.

doi:10.5194/hess-19-2337-2015

Articles | Volume 19, issue 5

https://doi.org/10.5194/hess-19-2337-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-19-2337-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 19, issue 5

Research article

|

19 May 2015

Research article |

| 19 May 2015

A snow cover climatology for the Pyrenees from MODIS snow products

S. Gascoin, O. Hagolle, M. Huc, L. Jarlan, J.-F. Dejoux, C. Szczypta, R. Marti, and R. Sánchez

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Sep 2015	38	62	8	108
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Dec 2015	19	45	0	64
Jan 2016	40	35	1	76
Feb 2016	41	19	2	62
Mar 2016	36	11	15	62
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May 2016	17	8	0	25
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Aug 2016	19	6	0	25
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Oct 2016	35	7	2	44
Nov 2016	24	4	0	28
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Feb 2017	23	5	2	30
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Feb 2023	47	19	2	68
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Aug 2023	40	19	3	62
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Nov 2023	134	14	1	149
Dec 2023	29	18	1	48
Jan 2024	33	22	0	55
Feb 2024	278	52	2	332
Mar 2024	108	27	2	137
Apr 2024	52	21	11	84
May 2024	42	27	3	72
Jun 2024	32	20	3	55
Jul 2024	26	24	2	52
Aug 2024	37	15	2	54
Sep 2024	28	7	0	35
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Feb 2025	59	22	4	85
Mar 2025	60	22	5	87
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Jun 2025	72	31	0	103
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Cumulative views and downloads (calculated since 12 Nov 2014)

Month	HTML	PDF	XML	Total
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Dec 2014	27	27	4	58
Jan 2015	20	12	1	33
Feb 2015	28	23	2	53
Mar 2015	16	5	1	22
Apr 2015	26	8	0	34
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Jun 2015	102	82	8	192
Jul 2015	60	74	1	135
Aug 2015	28	63	0	91
Sep 2015	38	62	8	108
Oct 2015	41	64	1	106
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Aug 2016	19	6	0	25
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Oct 2016	35	7	2	44
Nov 2016	24	4	0	28
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Nov 2023	134	14	1	149
Dec 2023	29	18	1	48
Jan 2024	33	22	0	55
Feb 2024	278	52	2	332
Mar 2024	108	27	2	137
Apr 2024	52	21	11	84
May 2024	42	27	3	72
Jun 2024	32	20	3	55
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Dec 2024	68	26	1	95
Jan 2025	46	16	3	65
Feb 2025	59	22	4	85
Mar 2025	60	22	5	87
Apr 2025	78	34	1	113
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Jun 2025	72	31	0	103
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Aug 2025	61	22	2	85
Sep 2025	77	18	0	95
Oct 2025	80	38	3	121
Nov 2025	84	26	3	113
Dec 2025	9	1	0	10

Latest update: 04 Dec 2025

Short summary

There is a good agreement between the MODIS snow products and observations from automatic stations and Landsat snow maps in the Pyrenees. The optimal thresholds for which a MODIS pixel is marked as snow-covered are 40mm in water equivalent and 150mm in snow depth. We generate a gap-filled snow cover climatology for the Pyrenees. We compute the mean snow cover duration by elevation and aspect classes. We show anomalous snow patterns in 2012 and consequences on hydropower production.