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Wolff, Eric W; Fischer, Hubertus; Ruth, Urs; Twarloh, Birthe; Littot, Geneviève C; Mulvaney, Robert; Röthlisberger, Regine; de Angelis, Martine; Boutron, Claude F; Hansson, Margareta E; Jonsell, Ulf; Hutterli, Manuel A; Lambert, Fabrice; Kaufmann, Patrik R; Stauffer, Bernhard; Stocker, Thomas F; Steffensen, Jørgen Peder; Bigler, Matthias; Siggaard-Andersen, Marie-Louise; Udisti, Roberto; Becagli, Silvia; Castellano, Emiliano; Severi, Mirko; Wagenbach, Dietmar; Barbante, Carlo; Gabrielli, Paolo; Gaspari, Vania (2006): Figure 1: Measured concentrations from the EPICA Dome C ice core. PANGAEA,, In supplement to: Wolff, EW et al. (2006): Southern Ocean sea-ice extent, productivity and iron flux over the past eight glacial cycles. Nature, 440, 491-496,

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Latitude: -75.100000 * Longitude: 123.350000
Date/Time Start: 1993-01-01T00:00:00 * Date/Time End: 2004-12-31T00:00:00
Minimum DEPTH, ice/snow: 7.7 m * Maximum DEPTH, ice/snow: 3138.3 m
EDC (EPICA Dome C) * Latitude: -75.100000 * Longitude: 123.350000 * Date/Time Start: 1993-01-01T00:00:00 * Date/Time End: 2004-12-31T00:00:00 * Elevation: 3233.0 m * Recovery: 3300 m * Location: Dome C, Antarctica * Campaign: Dome C * Method/Device: Ice drill (ICEDRILL) * Comment: Drill site is 56 km from the site of a previous Dome C core that provided records extending into the last glacial period, and 560 km from the site of the Vostok cores. The completion of the Dome C core was delayed when the first drilling became stuck at 788 m in 1999 (EDC96).
Chemical concentrations were measured using ion chromatography (IC), with an estimated uncertainty on individual measurements of better than 5% (but rather higher at the lowest concentrations seen in interglacial periods). For the upper 580 m, IC Ca was considered unreliable, and Ca measured by continuous flow analysis (CFA) in parallel was substituted (see paper for details). For the IC measurements, samples were collected as the cumulative melt or cut from anything between 5 cm to 1.1 m of ice, and we present averages of 2.2 m increments, and averages of 2000 years.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, ice/snowDepth ice/snowmGeocode
2CalciumCa2+ng/gWolff, Eric WContinuous flow analysis, Ion chromatography
3SodiumNa+ng/gWolff, Eric WIon chromatography
4Sulfate[SO4]2-ng/gWolff, Eric WIon chromatography
4205 data points

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