Field investigation of major and minor ions along Summit (Central Greenland) ice cores by ion chromatography

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Abstract

As a part of the European EUROCORE and GRIP (Greenland Ice Core Project) operations aimed at recovering deep ice cores at Summit (Central Greenland), we have for the first time successfully performed ion chromatography measurements in the field and investigated in detail the soluble impurities, including Na+, NH+4, K+, Mg2+, Ca2+, F, CH3COO, CH2 OHCOO, HCOO, CH3SO3, Cl, NO2, SO42− and C2O42−, trapped in ice deposited over some 200 000 years in Greenland.

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