globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-9-1773-2015
Scopus记录号: 2-s2.0-84938788243
论文题名:
Evolution of Ossoue Glacier (French Pyrenees) since the end of the Little Ice Age
作者: Marti R; , Gascoin S; , Houet T; , Ribière O; , Laffly D; , Condom T; , Monnier S; , Schmutz M; , Camerlynck C; , Tihay J; P; , Soubeyroux J; M; , René P
刊名: Cryosphere
ISSN: 19940416
出版年: 2015
卷: 9, 期:5
起始页码: 1773
结束页码: 1795
语种: 英语
英文关键词: ablation ; decadal variation ; erosion rate ; glacier dynamics ; glacier mass balance ; glacier retreat ; ground penetrating radar ; ice thickness ; Little Ice Age ; satellite imagery ; stabilization ; Atlantic Ocean ; Atlantic Ocean (North) ; France ; Pyrenees
英文摘要: Little is known about the fluctuations of the Pyrenean glaciers. In this study, we reconstructed the evolution of Ossoue Glacier (42°46' N, 0.45 km2), which is located in the central Pyrenees, from the Little Ice Age (LIA) onwards. To do so, length, area, thickness, and mass changes in the glacier were generated from historical data sets, topographical surveys, glaciological measurements (2001-2013), a ground penetrating radar (GPR) survey (2006), and stereoscopic satellite images (2013). The glacier has receded considerably since the end of the LIA, losing 40 % of its length and 60 % of its area. Three periods of marked ice depletion were identified: 1850-1890, 1928-1950, and 1983-2013, as well as two short periods of stabilization: 1890-1894, 1905-1913, and a longer period of slight growth: 1950-1983; these agree with other Pyrenean glacier reconstructions (Maladeta, Coronas, Taillon glaciers). Pyrenean and Alpine glaciers exhibit similar multidecadal variations during the 20th century, with a stable period detected at the end of the 1970s and periods of ice depletion during the 1940s and since the 1980s. Ossoue Glacier fluctuations generally concur with climatic data (air temperature, precipitation, North Atlantic Oscillation, Atlantic Multidecadal Oscillation). Geodetic mass balance over 1983-2013 was -1.04 ± 0.06 w.e.a-1 (-31.3 ± 1.9 m w.e.), whereas glaciological mass balance was -1.45 ± 0.85 m w.e. a-1 (-17.3 ± 2.9 m w.e.) over 2001-2013, resulting in a doubling of the ablation rate in the last decade. In 2013 the maximum ice thickness was 59 ± 10.3 m. Assuming that the current ablation rate remains constant, Ossoue Glacier will disappear midway through the 21st century. © Author(s) 2015.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75248
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: Géographie de l'Environnement (GEODE), UT2J/CNRS, Toulouse, France; Centre d'Etudes Spatiales de la Biosphère (CESBIO), UPS/CNRS/IRD/CNES, Toulouse, France; Laboratoire d'Étude des Transferts en Hydrologie et Environnement (LTHE), Université Grenoble-Alpes, Grenoble, France; Instituto de Geografia, Pontificia Universidad Católica de Valparaiso, Valparaiso, Chile; Institut Polytechnique de Bordeaux (IPD), Pessac, France; Milieux Environnementaux, Transferts et Interactions dans les Hydrosystèmes et les Sols (METIS, UPMC/CNRS/EPHE, Paris, France; Université de Pau et des Pays de l'Adour (UPPA), Pau, France; Météo France, Direction de la Climatologie (DCLIM), Toulouse, France; Association Moraine, Luchon, France

Recommended Citation:
Marti R,, Gascoin S,, Houet T,et al. Evolution of Ossoue Glacier (French Pyrenees) since the end of the Little Ice Age[J]. Cryosphere,2015-01-01,9(5)
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