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Orme, Lisa C; Miettinen, Arto; Seidenkrantz, Marit-Solveig; Tuominen, Kirsi; Pearce, Christof; Divine, Dmitry V; Oksman, Mimmi; Kuijpers, Antoon (2021): Diatom percentage abundances and sea surface temperature reconstruction for core AI07-06G, from Trinity Bay, Newfoundland [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.930940

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Abstract:
Due to the shortness of available records, the longterm patterns of climate variability in the Labrador Sea and Newfoundland region are not clear. Here, a diatom-based reconstruction of summer sea-surface temperature (SST) developed from Trinity Bay, Newfoundland, provides insight into variations of SST since 7.2 cal ka BP in the southwestern Labrador Sea. The results show that the Holocene Thermal Maximum (HTM) lasted until c. 5.2 cal ka BP, which was followed by a gradual cooling trend overprinted by centennial temperature fluctuations of 1-2°C.
Keyword(s):
diatoms; Holocene; Newfoundland; Sea surface temperature
Related to:
Orme, Lisa C; Miettinen, Arto; Seidenkrantz, Marit-Solveig; Tuominen, Kirsi; Pearce, Christof; Divine, Dmitry V; Oksman, Mimmi; Kuijpers, Antoon (2021): Mid to late-Holocene sea-surface temperature variability off north-eastern Newfoundland and its linkage to the North Atlantic Oscillation. The Holocene, 31(1), 3-15, https://doi.org/10.1177/0959683620961488
Coverage:
Latitude: 47.848000 * Longitude: -53.578020
Date/Time Start: 2007-09-25T00:00:00 * Date/Time End: 2007-09-25T00:00:00
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 3.370 m
Event(s):
AI07-06G * Latitude: 47.848000 * Longitude: -53.578020 * Date/Time: 2007-09-25T00:00:00 * Elevation: -511.0 m * Location: Trinity Bay, Newfoundland * Campaign: AI07 * Basis: Akademik Ioffe * Method/Device: Gravity corer (GC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmOrme, Lisa CGeocode
2AGEAgeka BPOrme, Lisa CGeocode – cal. age
3Sea surface temperature, AugustSST (8)°COrme, Lisa CSST reconstruction, transfer function-based approachaSST_WAPLS_2comp
4Thalassiothrix longissimaT. longissima%Orme, Lisa CCounting, diatoms
5Thalassionema nitzschioidesT. nitzschioides%Orme, Lisa CCounting, diatoms
6Rhizosolenia hebetata forma hebetataR. hebetata f hebetata%Orme, Lisa CCounting, diatoms
7Rhizosolenia hebetata forma semispinaR. hebetata f semispina%Orme, Lisa CCounting, diatoms
8Rhizosolenia borealisR. borealis%Orme, Lisa CCounting, diatoms
9Proboscia alataP. alata%Orme, Lisa CCounting, diatoms
10Bacterosira fragilisB. fragilis%Orme, Lisa CCounting, diatoms
11Roperia tesselataR. tesselata%Orme, Lisa CCounting, diatoms
12Porosira glacialisP. glacialis%Orme, Lisa CCounting, diatoms
13Actinocyclus curvatulusA. curvatulus%Orme, Lisa CCounting, diatoms
14Asteromphalus robustusA. robustus%Orme, Lisa CCounting, diatoms
15Thalassiosira gravida sporeT. gravida spore%Orme, Lisa CCounting, diatoms
16Thalassiosira gravida vegetativeT. gravida vegetative%Orme, Lisa CCounting, diatoms
17Thalassiosira anguste-lineataT. anguste-lineata%Orme, Lisa CCounting, diatoms
18Thalassiosira eccentricaT. eccentrica%Orme, Lisa CCounting, diatoms
19Thalassiosira trifultaT. trifulta%Orme, Lisa CCounting, diatoms
20Thalassiosira lineataT. lineata%Orme, Lisa CCounting, diatoms
21Thalassiosira nordenskioldiiT. nordenskioldii%Orme, Lisa CCounting, diatoms
22Thalassiosira oestrupiiT. oestrupii%Orme, Lisa CCounting, diatoms
23Thalassiosira hyalinaT. hyalina%Orme, Lisa CCounting, diatoms
24Thalassiosira angulataT. angulata%Orme, Lisa CCounting, diatoms
25Thalassiosira pacificaT. pacifica%Orme, Lisa CCounting, diatoms
26Thalassiosira ferelineataT. ferelineata%Orme, Lisa CCounting, diatoms
27Coscinodiscus radiatusC. radiatus%Orme, Lisa CCounting, diatoms
28Coscinodiscus marginatusC. marginatus%Orme, Lisa CCounting, diatoms
29Coscinodiscus oculus-iridisC. oculus-iridis%Orme, Lisa CCounting, diatoms
30Coscinodiscus asteromphalusC. asteromphalus%Orme, Lisa CCounting, diatoms
31Nitzschia marinaN. marina%Orme, Lisa CCounting, diatoms
32Nitzschia bicapitataN. bicapitata%Orme, Lisa CCounting, diatoms
33Fragilariopsis cylindrusF. cylindrus%Orme, Lisa CCounting, diatoms
34Nitzschia angularisN. angularis%Orme, Lisa CCounting, diatoms
35Fragilariopsis oceanicaF. oceanica%Orme, Lisa CCounting, diatoms
36Synedra sp.Synedra sp.%Orme, Lisa CCounting, diatoms
37Nitzschia atlanticaN. atlantica%Orme, Lisa CCounting, diatoms
38Nitzschia kolaczeckiiN. kolaczeckii%Orme, Lisa CCounting, diatoms
39Pseudoeunotia doliolusP. doliolus%Orme, Lisa CCounting, diatoms
40Thalassiosira nodulolineataT. nodulolineata%Orme, Lisa CCounting, diatoms
41Coscinodiscus lineatusC. lineatus%Orme, Lisa CCounting, diatomsCoscinodiscus linearis
Change history:
2021-10-13T07:57:53 – The part of the vertical profile between 2.3669 and 7.1780 ka was added. It was missing from the original publication due to a mistake of the publisher.
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
4719 data points

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