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Erhardt, Tobias; Bigler, Matthias; Federer, Urs; Gfeller, Gideon; Leuenberger, Daiana; Stowasser, Olivia; Röthlisberger, Regine; Schüpbach, Simon; Ruth, Urs; Twarloh, Birthe; Wegner, Anna; Goto-Azuma, Kumiko; Takayuki, Kuramoto; Kjær, Helle Astrid; Vallelonga, Paul T; Siggaard-Andersen, Marie-Louise; Hansson, Margareta E; Benton, Ailsa K; Fleet, Louise G; Mulvaney, Rob; Thomas, Elizabeth R; Abram, Nerilie J; Stocker, Thomas F; Fischer, Hubertus (2021): Decadal averaged impurity data for the NEEM ice core [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.935831, In: Erhardt, T et al. (2021): High resolution aerosol concentration data from the Greenland NorthGRIP and NEEM deep ice cores [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.935838

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Abstract:
High resolution aerosol data from Greenland NGRIP and NEEM ice cores. All data was measured using continuous flow analysis with the Bern CFA system during the respective field campaigns. Data is provided at 1mm depth resolution and 10yr averages on the GICC05 age scale of the respective core.
Keyword(s):
aerosol; ammonium; calcium; Greenland; Ice core; nitrate; sodium
Funding:
Agence Nationale de la Recherche (ANR), grant/award no. 07-VULN-09-001: North Greenland Eemian Ice Drilling
Coverage:
Latitude: 77.450000 * Longitude: -51.060000
Date/Time Start: 2009-05-01T00:00:00 * Date/Time End: 2009-08-20T00:00:00
Minimum Elevation: 2545.0 m * Maximum Elevation: 2545.0 m
Event(s):
NEEM * Latitude: 77.450000 * Longitude: -51.060000 * Date/Time Start: 2009-05-01T00:00:00 * Date/Time End: 2009-08-20T00:00:00 * Elevation: 2545.0 m * Recovery: 2533.21 m * Location: Greenland * Method/Device: Ice drill (ICEDRILL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1AgeAgeka b2kErhardt, TobiasAge of the top of the sampling interval in years before 2000 on the GICC05modelext age scale for NGRIP (see references)
2Conductivity, electricalCond electrµS/cmErhardt, TobiasContinuous Flow Analysis (CFA)
3SodiumNa+µg/kgErhardt, TobiasContinuous Flow Analysis (CFA)
4CalciumCa2+µg/kgErhardt, TobiasContinuous Flow Analysis (CFA)
5Ammonium[NH4]+µg/kgErhardt, TobiasContinuous Flow Analysis (CFA)
6Nitrate[NO3]-µg/kgErhardt, TobiasContinuous Flow Analysis (CFA)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
65422 data points

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