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Wu, Xiner; de Vernal, Anne; Allan, Estelle (2025): Mixed layer depth reconstructions based on dinocyst assemblage data of sediment core M23352 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.982630, In: Wu, X et al. (2025): Mixed layer depth reconstructions based on dinocyst assemblage data for 16 Holocene records in the subpolar North Atlantic using the modern analogue technique and weighted averaging partial least squares [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.982394

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Published: 2025-06-16DOI registered: 2025-06-17

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Abstract:
Winter mixed layer depth (MLD) was reconstructed from the dinocyst assemblage data of sediment core M23352 using two different approaches: modern analogue technique (MAT) and weighted averaging partial least square (WAPLS) regression and calibration. The n = 1968 modern dinocyst database and the modern MLD climatology of 1981-2010 from the World Ocean Atlas 2018 were used as calibration dataset.
Keyword(s):
Dinocysts; Holocene; mixed-layer depth; Paleoceanographic proxies; reconstruction; subpolar North Atlantic
Supplement to:
Wu, Xiner; de Vernal, Anne; Allan, Estelle (2025): Migration of deep convection center in subpolar North Atlantic around 6 ka suggested by a dinocyst proxy of mixed layer depth. Paleoceanography and Paleoclimatology, 40(6), e2024PA004998, https://doi.org/10.1029/2024PA004998
Related to:
Van Nieuwenhove, Nicolas; Bauch, Henning A; Andruleit, Harald (2013): Multiproxy fossil comparison reveals contrasting surface ocean conditions in the western Iceland Sea for the last two interglacials. Palaeogeography, Palaeoclimatology, Palaeoecology, 370, 247-259, https://doi.org/10.1016/j.palaeo.2012.12.018
Wu, Xiner (2025): Mixed layer depth values for the n = 1968 modern dinocyst database [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.982265
Funding:
Fonds de Recherche du Québec – Nature et Technologies (FRQNT), grant/award no. 320994: FRQNT - Nature et technologies
Natural Sciences and Engineering Research Council (NSERC), grant/award no. DG/AdV: NSERC Discovery Grant
Coverage:
Latitude: 70.010000 * Longitude: -12.430000
Minimum Elevation: -1819.0 m * Maximum Elevation: -1819.0 m
Event(s):
M23352 (M52) * Latitude: 70.010000 * Longitude: -12.430000 * Elevation: -1819.0 m * Method/Device: Core (CORE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1AGEAgeka BPAllan, EstelleGeocode
2Mixed layer depthMLDmWu, XinerModern analogue technique (MAT)MAT
3Mixed layer depthMLDmWu, XinerWeighted averaging partial least squares (WA-PLS) regressionWAPLS regression and calibration
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
64 data points

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