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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

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Abstract:
This dataset includes grain size distribution, determined for 1-cm sediment slices of 5 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 sample slices were freeze-dried and treated with excess hydrogen peroxide to remove organic matter prior to the analysis. Grain size distribution was analyzed down to 0.6 μm using a Micromeritics Sedigraph III 5120 Xray absorption sedimentation analyzer. Median grain size was calculated according to the geometric Folk and Ward (1957) graphical measures implemented in GRADISTAT 4.0 software.
Keyword(s):
Baltic Sea; Finland; grain size distribution; Gulf of Bothnia; mud
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): 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
Coverage:
Median Latitude: 63.117120 * Median Longitude: 21.298020 * 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: 0.025 m * Maximum DEPTH, sediment/rock: 0.405 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-2018-29 * Latitude: 63.149700 * Longitude: 21.209400 * Date/Time: 2018-08-08T00:00:00 * Method/Device: Gravity corer (GC)
MGGN-2018-30 * Latitude: 63.133700 * Longitude: 21.238800 * Date/Time: 2018-08-08T00:00:00 * Method/Device: Gravity corer (GC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventVirtasalo, Joonas J
2Sample IDSample IDVirtasalo, Joonas J
3Latitude of eventLatitudeVirtasalo, Joonas J
4Latitude of eventLatitudeVirtasalo, Joonas J
5DEPTH, sediment/rockDepthmVirtasalo, Joonas JGeocode
6Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics<0.0006 mm
7Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.0006-0.001 mm
8Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.001-0.002 mm
9Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.002-0.004 mm
10Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.004-0.006 mm
11Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.006-0.01 mm
12Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.01-0.016 mm
13Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.016-0.02 mm
14Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.02-0.03 mm
15Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.03-0.04 mm
16Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.04-0.05 mm
17Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.05-0.06 mm
18Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.06-0.063 mm
19Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.063-0.2 mm
20Size fractionFraction%Virtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics0.2-0.63 mm
21Median, grain sizeD50µmVirtasalo, Joonas JParticle Size Analyser SEDIGRAPH III, Micrometrics
22Age, commentCommVirtasalo, Joonas JAge group: 2 = 1986 and later, 1 = 1960-1985, 0 = Before 1960
Size:
1638 data points

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