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Virtasalo, Joonas J; Åström, Mats E; Österholm, Peter; Kotilainen, Aarno T (2020): Multielement data of sediment samples from the Kvarken Archipelago, eastern Gulf of Bothnia, impacted by metal loading from acid sulphate soils. PANGAEA, https://doi.org/10.1594/PANGAEA.920857

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Abstract:
This dataset includes contents of 55 elements, determined for 1-cm sediment slices of 9 short gravity-cores from the Kvarken Archipelago, eastern Gulf of Bothnia, northern Baltic Sea. Geochronology of the cores is constrained by the measurements of Cs-137 activity content. The sediments represent organic-rich brackish-water muds. The sea area receives large amounts of trace metals (e.g. Al, Cd, Co, Cu, La, Mn, Ni and Zn) from rivers draining the acid sulphate soils of western Finland. The metal contents in the cores increase during the 1960s and 1970s, and stay at the high level afterwards. The enrichment is visible more than 25 km out from the river mouths.
The sample slices were sieved through a 63 μm mesh, and 0.2 g of the passed-through fraction was digested in a four-acid mixture of hydrofluoric acid, perchloric acid, hydrochloric acid and nitric acid (USGS Methods T01 and T20). After evaporation of the acids at 160 °C, the resulting gel was dissolved to 1 M nitric acid, and analysed for element concentrations by inductively coupled plasma-mass spectrometry (ICP-MS), or inductively coupled plasma-optical emission spectrometry (ICP-OES), depending on the element. The commercial sediment reference materials QCGBMS304-6, QCMESS-4, QCNIST8704, CO153B and in-house standards were used for assessing measurement accuracy. Element concentrations for all reference materials measured with each sample batch fell well within ±10 % of the certified values. Mercury was measured separately by nitric acid leach of 0.2 g samples through thermal decomposition, amalgamation and atomic absorption spectrometry (US EPA Method 7473). Solid-phase contents of carbon and nitrogen in the samples were analyzed by thermal combustion elemental analysis. The pools of inorganic C and N are negligible in this setting, hence the total contents are considered equal to organic C and N.
Keyword(s):
acid sulphate soils; Baltic Sea; Finland; Gulf of Bothnia; mud; multielement; trace metals
Supplement to:
Virtasalo, Joonas J; Österholm, Peter; Kotilainen, Aarno T; Åström, Mats E (2020): Enrichment of trace metals from acid sulfate soils in sediments of the Kvarken Archipelago, eastern Gulf of Bothnia, Baltic Sea. Biogeosciences, 17(23), 6097-6113, https://doi.org/10.5194/bg-17-6097-2020
Related to:
Virtasalo, Joonas J; Åström, Mats E; Österholm, Peter; Kotilainen, Aarno T (2020): Grain size data of sediment samples from the Kvarken Archipelago, eastern Gulf of Bothnia, impacted by metal loading from acid sulphate soils. PANGAEA, https://doi.org/10.1594/PANGAEA.920850
Coverage:
Median Latitude: 63.111011 * Median Longitude: 21.376078 * South-bound Latitude: 63.084000 * West-bound Longitude: 21.209400 * North-bound Latitude: 63.149700 * East-bound Longitude: 21.536400
Date/Time Start: 2016-08-04T00:00:00 * Date/Time End: 2018-08-10T00:00:00
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 0.415 m
Event(s):
MGGN-2016-8 * Latitude: 63.084000 * Longitude: 21.536400 * Date/Time: 2016-08-04T00:00:00 * Method/Device: Gravity corer (GC)
MGGN-2017-17 * Latitude: 63.113800 * Longitude: 21.393000 * Date/Time: 2017-07-03T00:00:00 * Method/Device: Gravity corer (GC)
MGGN-2017-18 * Latitude: 63.096400 * Longitude: 21.455700 * Date/Time: 2017-07-03T00:00:00 * Method/Device: Gravity corer (GC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventVirtasalo, Joonas J
2Sample IDSample IDVirtasalo, Joonas J
3DEPTH, sediment/rockDepthmVirtasalo, Joonas JGeocode
4SilverAgmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
5BismuthBimg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
6CadmiumCdmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
7CeriumCemg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
8DysprosiumDymg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
9ErbiumErmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
10EuropiumEumg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
11GadoliniumGdmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
12HafniumHfmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
13HolmiumHomg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
14LanthanumLamg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
15LutetiumLumg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
16NiobiumNbmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
17NeodymiumNdmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
18PraseodymiumPrmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
19AntimonySbmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
20SamariumSmmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
21TinSnmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
22TantalumTamg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
23TerbiumTbmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
24ThoriumThmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
25ThalliumTlmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
26ThuliumTmmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
27UraniumUmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
28YtterbiumYbmg/kgVirtasalo, Joonas JICP-MS after four-acid digestion
29AluminiumAlmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
30ArsenicAsmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
31BariumBamg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
32BerylliumBemg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
33CalciumCamg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
34CobaltComg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
35ChromiumCrmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
36CopperCumg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
37IronFemg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
38PotassiumKmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
39LithiumLimg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
40MagnesiumMgmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
41ManganeseMnmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
42SodiumNamg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
43NickelNimg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
44PhosphorusPmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
45LeadPbmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
46RubidiumRbmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
47SulfurSmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
48ScandiumScmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
49StrontiumSrmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
50TitaniumTimg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
51VanadiumVmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
52YttriumYmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
53ZincZnmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
54ZirconiumZrmg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
55Carbon, totalTC%Virtasalo, Joonas JThermal combustion CN analyzer% sed dry mass
56Nitrogen, totalTN%Virtasalo, Joonas JThermal combustion CN analyzer% sed dry mass
57MercuryHgmg/kgVirtasalo, Joonas JAAS after thermal decomposition
58MolybdenumMomg/kgVirtasalo, Joonas JICP-OES after four-acid digestion
59Caesium-137137CsBq/kgVirtasalo, Joonas JGamma spectroscopy
60Age, commentCommVirtasalo, Joonas JAge group: 2 = 1986 and later, 1 = 1960-1985, 0 = Before 1960
Size:
20218 data points

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