P. Brimblecombe, M. Tranter, P. W. Abrahams, I. Blackwood, T. D. Davies et al., Relocation and Preferential Elution of Acidic Solute through the Snowpack of a Small, Remote, High-Altitude Scottish Catchment, Annals of Glaciology, vol.I, pp.141-147, 1985.
DOI : 10.1038/312058a0

T. D. Davies, C. E. Vincent, and P. Brimblecombe, Preferential elution of strong acids from a Norwegian ice cap, Nature, vol.10, issue.5888, pp.161-163, 1982.
DOI : 10.1038/300161a0

R. J. Delmas, Environmental information from ice cores, Reviews of Geophysics, vol.8, issue.1, pp.1-21, 1992.
DOI : 10.1029/91RG02725

A. Döscher, H. W. Gäggeler, U. Schotterer, and M. Schwikowski, A 130 years deposition record of sulfate, nitrate and chloride from a high-alpine glacier, Water Air Soil Poll, pp.603-609, 1995.

A. Eichler, M. Schwikowski, H. W. Gäggeler, V. Furrer, H. A. Synal et al., Glaciochemical dating of an ice core from upper Grenzgletscher (4200 m a.s.l.), Journal of Glaciology, vol.46, issue.154, pp.507-515, 2000.
DOI : 10.3189/172756500781833098

A. Eichler, M. Schwikowski, and H. W. Gäggeler, Meltwater induced relocation of chemical species in Alpine firn, pp.192-203, 2001.

M. Garcia, F. Villalba, L. Araguas-araguas, R. , and K. , The role of atmospheric circulation patterns in controlling the regional distribution of stable isotope contents in precipitation: preliminary results from two transects in the Ecuadorian Andes, Isotope Techniques in the Study of Environmental Change, pp.127-140, 1998.

P. Ginot, C. Kull, M. Schwikowski, U. Schotterer, and H. W. Gäggeler, Effects of postdepositional processes on snow composition of a subtropical glacier (Cerro Tapado, Chilean Andes), Journal of Geophysical Research: Atmospheres, vol.30, issue.155, pp.32375-32386, 2001.
DOI : 10.1029/2000JD000071

P. Ginot, M. Schwikowski, U. Schotterer, H. W. Gäggeler, R. Gallaire et al., Potential for climate variability reconstruction from Andean glaciochemical records, Annals of Glaciology, vol.35, issue.1, pp.443-450, 2002.
DOI : 10.3189/172756402781816618

N. S. Grumet, C. P. Wake, G. A. Zielinski, D. A. Fisher, R. M. Koerner et al., Preservation of glaciochemical time-series in snow and ice from the Penny Ice Cap, Baffin Island, Geophysical Research Letters, vol.26, issue.3, pp.357-360, 1998.
DOI : 10.1029/97GL03787

K. A. Henderson, L. G. Thompson, L. , and P. N. , O records from Nevado Huascar??n, Peru, Journal of Geophysical Research: Atmospheres, vol.101, issue.10, pp.31053-31065, 1999.
DOI : 10.1029/1999JD900966

M. M. Herron and C. C. Langway, Abstract, Journal of Glaciology, vol.14, issue.93, pp.373-385, 1980.
DOI : 10.1017/S0022143000015239

S. Hou and D. Qin, The effect of postdepositional process on the chemical profiles of snow pits in the percolation zone, Cold Regions Science and Technology, vol.34, issue.2
DOI : 10.1016/S0165-232X(01)00065-9

Y. Iizuka, M. Igarashi, K. Kamiyama, H. Motoyama, and O. Watanabe, Ratios of Mg<SUP>2+</SUP>/Na<SUP>+</SUP> in snowpack and an ice core at Austfonna ice cap, Svalbard, as an indicator of seasonal melting, Journal of Glaciology, vol.48, issue.162, pp.452-460, 2002.
DOI : 10.3189/172756502781831304

S. Kang, P. A. Mayewski, D. Qin, Y. Yan, S. Hou et al., Glaciochemical records from a Mt. Everest ice core: relationship to atmospheric circulation over Asia, Atmospheric Environment, vol.36, issue.21, pp.3351-3361, 2002.
DOI : 10.1016/S1352-2310(02)00325-4

W. C. Keene, A. A. Pszenny, J. N. Galloway, and M. E. Hawley, Sea-salt corrections and interpretation of constituent ratios in marine precipitation, Journal of Geophysical Research, vol.33, issue.D6, pp.6647-6658, 1986.
DOI : 10.1029/JD091iD06p06647

S. Knüsel, P. Ginot, U. Schotterer, M. Schwikowski, H. W. Gaeggeler et al., Dating of two nearby ice cores from the Illimani, Bolivia, Journal of Geophysical Research, vol.264, issue.4, pp.4181-4191, 2003.
DOI : 10.1029/2001JD002028

K. J. Kreutz and E. R. Sholkovitz, Major element, rare earth element, and sulfur isotopic composition of a high-elevation firn core: Sources and transport of mineral dust in central Asia, Geochemistry, Geophysics, Geosystems, vol.50, issue.13, pp.1048-1071, 2000.
DOI : 10.1029/2000GC000082

M. Legrand, D. Angelis, and M. , Light carboxylic acids in Greenland ice: A record of past forest fires and vegetation emissions from the boreal zone, Journal of Geophysical Research: Atmospheres, vol.46, issue.D2, pp.4129-4145, 1996.
DOI : 10.1029/95JD03296

M. Legrand and P. A. Mayewski, Glaciochemistry of polar ice cores: A review, Reviews of Geophysics, vol.23, issue.3, pp.219-243, 1997.
DOI : 10.1029/96RG03527
URL : https://hal.archives-ouvertes.fr/insu-00502145

M. Legrand, M. De-angelis, T. Staffelbach, A. Neftel, and B. Stauffer, Large perturbations of ammonium and organic acids content in the summit-Greenland Ice Core. Fingerprint from forest fires?, Geophysical Research Letters, vol.349, issue.5, pp.473-475, 1992.
DOI : 10.1029/91GL03121

P. Ginot, Influence of Tungurahua eruption on ice core records of Chimborazo and Vogel, E.: Glaciochemical investigation of an ice core from Belukha glacier, Geophys. Res. Lett, vol.30, pp.2010-1029, 2003.

V. A. Pohjola, J. C. Moore, E. Isaksson, T. Jauhiainen, R. S. Van-de-wal et al., Effect of periodic melting on geochemical and isotopic signals in an ice core from Lomonosovfonna, Svalbard, Journal of Geophysical Research, vol.25, issue.146, pp.4036-4050, 2002.
DOI : 10.1029/2000JD000149

S. Preunkert, D. Wagenbach, M. Legrand, and C. Vincent, Col du D??me (Mt Blanc Massif, French Alps) suitability for ice-core studies in relation with past atmospheric chemistry over Europe, Tellus B: Chemical and Physical Meteorology, vol.282, issue.4285, pp.993-1012, 2000.
DOI : 10.3402/tellusb.v52i3.17081

U. Schotterer, K. Fröhlich, H. W. Gäggeler, S. Sandjordj, and W. Stichler, Isotope records from Mongolian and Alpine ice cores as climate indicators, Climate Change, pp.519-530, 1997.
DOI : 10.1007/978-94-015-8905-5_15

U. Schotterer, M. Grosjean, W. Stichler, P. Ginot, C. Kull et al., Glaciers and climate in the Andes between the Equator and 30 ? S: What is recorded under extreme environmental conditions?, Climatic Change, vol.59, issue.1/2, pp.157-175, 2003.
DOI : 10.1023/A:1024423719288

U. Schotterer, W. Stichler, P. L. Ginot, J. R. Green, and L. G. Thompson, The influence of postdepositional effects on ice core studies: examples from the Alps, Andes, and Alta¨?Alta¨?, in: Earth Paleoenvironments: Records preserved in Mid-and Low-Latitude Glaciers, Developments in Paleoenvironmental Research Series, pp.39-60, 2004.

M. Schwikowski, S. Brütsch, H. W. Gäggeler, and U. Schotterer, A high-resolution air chemistry record from an Alpine ice core: Fiescherhorn glacier, Swiss Alps, Journal of Geophysical Research: Atmospheres, vol.103, issue.D9, pp.13709-13719, 1999.
DOI : 10.1029/1998JD100112

W. Stichler, U. Schotterer, K. Fröhlich, P. Ginot, C. Kull et al., Influence of sublimation on stable isotope records recovered from high-altitude glaciers in the tropical Andes, Journal of Geophysical Research: Atmospheres, vol.90, issue.1, pp.22613-22621, 2001.
DOI : 10.1029/2001JD900179

L. G. Thompson, S. Hastenrath, M. Arnao, and B. , Climatic Ice Core Records from the Tropical Quelccaya Ice Cap, Science, vol.203, issue.4386, pp.1240-1243, 1979.
DOI : 10.1126/science.203.4386.1240

L. G. Thompson, T. Yao, M. E. Davis, K. A. Henderson, E. Mosley-thompson et al., Tropical Climate Instability: The Last Glacial Cycle from a Qinghai-Tibetan Ice Core, Science, vol.276, issue.5320, pp.1821-1825, 1997.
DOI : 10.1126/science.276.5320.1821

L. G. Thompson, M. E. Davis, E. Mosley-thompson, T. A. Sowers, K. A. Henderson et al., A 25,000-Year Tropical Climate History from Bolivian Ice Cores, Science, vol.282, issue.5395, pp.1858-1864, 1998.
DOI : 10.1126/science.282.5395.1858

L. G. Thompson, T. Yao, E. Mosley-thompson, M. E. Davis, K. A. Henderson et al., A high-resolution millenial record of the South Asian monsoon from Himalayan ice cores, Science, vol.289, 1916.

L. G. Thompson, E. Mosley-thompson, M. E. Davis, K. A. Henderson, H. H. Brecher et al., Kilimanjaro Ice Core Records: Evidence of Holocene Climate Change in Tropical Africa, Science, vol.298, issue.5593, pp.589-593, 2002.
DOI : 10.1126/science.1073198

S. Tsiouris, C. E. Vincent, T. D. Davies, and P. Brimblecombe, The Elution of Ions Through Field and Laboratory Snowpacks, Annals of Glaciology, vol.1, pp.196-2001, 1985.
DOI : 10.1038/300161a0

M. Vuille, R. S. Bradley, and F. Keimig, Climate Variability in the Andes of Ecuador and Its Relation to Tropical Pacific and Atlantic Sea Surface Temperature Anomalies, Journal of Climate, vol.13, issue.14, pp.2520-2535, 2000.
DOI : 10.1175/1520-0442(2000)013<2520:CVITAO>2.0.CO;2