@article{fdi:010065446, title = {{E}volution of {O}ssoue {G}lacier ({F}rench {P}yrenees) since the end of the {L}ittle {I}ce {A}ge}, author = {{M}arti, {R}. and {G}ascoin, {S}. and {H}ouet, {T}. and {R}ibiere, {O}. and {L}affly, {D}. and {C}ondom, {T}homas and {M}onnier, {S}. and {S}chmutz, {M}. and {C}amerlynck, {C}. and {T}ihay, {J}. {P}. and {S}oubeyroux, {J}. {M}. and {R}ene, {P}.}, editor = {}, language = {{ENG}}, abstract = {{L}ittle is known about the fluctuations of the {P}yrenean glaciers. {I}n this study, we reconstructed the evolution of {O}ssoue {G}lacier (42 degrees 46'{N}, 0.45 km(2)), which is located in the central {P}yrenees, from the {L}ittle {I}ce {A}ge ({LIA}) onwards. {T}o 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). {T}he glacier has receded considerably since the end of the {LIA}, losing 40% of its length and 60% of its area. {T}hree 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 {P}yrenean glacier reconstructions ({M}aladeta, {C}oronas, {T}aillon glaciers). {P}yrenean and {A}lpine 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. {O}ssoue {G}lacier fluctuations generally concur with climatic data (air temperature, precipitation, {N}orth {A}tlantic {O}scillation, {A}tlantic {M}ultidecadal {O}scillation). {G}eodetic 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. {I}n 2013 the maximum ice thickness was 59 +/- 10.3 m. {A}ssuming that the current ablation rate remains constant, {O}ssoue {G}lacier will disappear midway through the 21st century.}, keywords = {{FRANCE} ; {PYRENEES}}, booktitle = {}, journal = {{C}ryosphere}, volume = {9}, numero = {5}, pages = {1773--1795}, ISSN = {1994-0416}, year = {2015}, DOI = {10.5194/tc-9-1773-2015}, URL = {https://www.documentation.ird.fr/hor/fdi:010065446}, }