globalchange  > 气候变化与战略
DOI: 10.5194/tc-15-1343-2021
论文题名:
Observed snow depth trends in the European Alps: 1971 to 2019
作者: Matiu M.; Crespi A.; Bertoldi G.; Maria Carmagnola C.; Marty C.; Morin S.; Schöner W.; Cat Berro D.; Chiogna G.; De Gregorio L.; Kotlarski S.; Majone B.; Resch G.; Terzago S.; Valt M.; Beozzo W.; Cianfarra P.; Gouttevin I.; Marcolini G.; Notarnicola C.; Petitta M.; Scherrer S.C.; Strasser U.; Winkler M.; Zebisch M.; Cicogna A.; Cremonini R.; Debernardi A.; Faletto M.; Gaddo M.; Giovannini L.; Mercalli L.; Soubeyroux J.M.; Sušnik A.; Trenti A.; Urbani S.; Weilguni V.
刊名: Cryosphere
ISSN: 19940416
出版年: 2021
卷: 15, 期:3
起始页码: 1343
结束页码: 1382
语种: 英语
英文关键词: cryosphere ; ice feature ; snow ; trend analysis ; Alps
英文摘要: The European Alps stretch over a range of climate zones which affect the spatial distribution of snow. Previous analyses of station observations of snow were confined to regional analyses. Here, we present an Alpine-wide analysis of snow depth from six Alpine countries - Austria, France, Germany, Italy, Slovenia, and Switzerland - including altogether more than 2000 stations of which more than 800 were used for the trend assessment. Using a principal component analysis and k-means clustering, we identified five main modes of variability and five regions which match the climatic forcing zones: north and high Alpine, north-east, north-west, south-east, and south and high Alpine. Linear trends of monthly mean snow depth between 1971 and 2019 showed decreases in snow depth for most stations from November to May. The average trend among all stations for seasonal (November to May) mean snow depth was -8.4 % per decade, for seasonal maximum snow depth -5.6 % per decade, and for seasonal snow cover duration -5.6 % per decade. Stronger and more significant trends were observed for periods and elevations where the transition from snow to snow-free occurs, which is consistent with an enhanced albedo feedback. Additionally, regional trends differed substantially at the same elevation, which challenges the notion of generalizing results from one region to another or to the whole Alps. This study presents an analysis of station snow depth series with the most comprehensive spatial coverage in the European Alps to date. © Author(s) 2021.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164755
Appears in Collections:气候变化与战略

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作者单位: Institute for Earth Observation, Eurac Research, Bolzano, 39100, Italy; Institute for Alpine Environment, Eurac Research, Bolzano, 39100, Italy; Univ. Grenoble Alpes, Université de Toulouse, Météo-France, CNRS, CNRM, Centre d'Etudes de la Neige, Grenoble, 38000, France; WSL Institute for Snow and Avalanche Research SLF, Davos, 7260, Switzerland; Department of Geography and Regional Sciences, University of Graz, Graz, 8010, Austria; Società Meteorologica Italiana, Moncalieri, 10024, Italy; Chair of Hydrology and River Basin Management, Technical University Munich, Munich, 80333, Germany; Department of Geography, University of Innsbruck, Innsbruck, 6020, Austria; Federal Office of Meteorology and Climatology MeteoSwiss, Zurich-Airport, 8058, Switzerland; Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, 38123, Italy; Institute of Atmospheric Sciences and Climate, National Research Council, (CNR-ISAC), Turin, 10133, Italy; Centro Valanghe di Arabba, Arabba, 32020, Italy; Meteotrentino, Provincia Autonoma di Trento, Trento, 38122, Italy; Dipartimento di Scienze della Terra, dell'Ambiente e della Vita - DISTAV, Università degli Studi di Genova, Genova, 16132, Italy; SSPT-MET-CLIM, ENEA, Rome, 00123, Italy; ZAMG, Innsbruck, 6020, Austria; ARPA Friuli Venezia Giulia, Palmanova, 33057, Italy; ARPA Piemonte, Torino, 10135, Italy; Assetto idrogeologico dei bacini montani, Region Valle d'Aosta, Aosta, 11100, Italy; Fondazione Montagna sicura, Courmayeur, 11013, Italy; Météo-France, Direction de la Climatologie et des Services Climatiques, Toulouse, 31057, France; Meteorology Office, Slovenian Environment Agency, Ljubljana, 1000, Slovenia; Centro Nivometeorologico, ARPA Lombardia, Bormio, 23032, Italy; Abteilung I/3 - Wasserhaushalt (HZB), BMLRT, Vienna, 1010, Austria

Recommended Citation:
Matiu M.,Crespi A.,Bertoldi G.,et al. Observed snow depth trends in the European Alps: 1971 to 2019[J]. Cryosphere,2021-01-01,15(3)
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