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Egan, Joanne; Fletcher, William J; Allott, Timothy E H (2020): Age-depth model from Lateglacial to late Holocene from sediment core MLC from Moss Lake, Washington, USA [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.918534, In: Egan, J et al. (2020): Postglacial diatom-climate responses in a small lake in the Pacific Northwest of North America - Cores collected from Moss Lake, WA, USA have been analysed for diatoms and pollen as well as LOI and magnetic susceptibility, age/depth model output [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.918535

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Abstract:
Accelerator mass spectrometry (AMS) radiocarbon dates were obtained for eight bulk sediment samples (pre-treated with HCl) at the NERC Radiocarbon Facility in East Kilbride. An age-depth model was constructed through Bayesian modelling using a _P_sequence_ deposition model in OxCal v.4.2.4, which included an “event free depth scale” (Staff et al., 2011) to account for the instantaneous deposition of a 4 cm thick tephra layer and interpolated ages every 1 cm.
Keyword(s):
Climate change; diatoms; ENSO; Holocene; PDO; Pollen; time series analysis
Supplement to:
Egan, Joanne; Fletcher, William J; Allott, Timothy E H (2022): Diatom-inferred centennial-millennial postglacial climate change in the Pacific Northwest of North America. Journal of Paleolimnology, https://doi.org/10.1007/s10933-022-00244-x
Further details:
Staff, Richard A; Ramsey, Christopher Bronk; Bryant, Charlotte L; Brock, Fiona; Payne, Rebecca L; Schlolaut, Gordon; Marshall, Michael H; Brauer, Achim; Lamb, Henry F; Tarasov, Pavel E; Yokoyama, Yusuke; Haraguchi, Tsuyoshi; Gotanda, Katsuya; Yonenobu, Hitoshi; Nakagawa, Takeshi; Suigetsu 2006 Project members (2011): New 14C Determinations from Lake Suigetsu, Japan: 12,000 to 0 Cal BP. Radiocarbon, 53(3), 511-528, https://doi.org/10.1017/S0033822200034627
Coverage:
Latitude: 47.693300 * Longitude: -121.846800
Date/Time Start: 2014-06-01T00:00:00 * Date/Time End: 2014-06-01T00:00:00
Minimum DEPTH, sediment/rock: 1.95 m * Maximum DEPTH, sediment/rock: 5.95 m
Event(s):
Moss_Lake_center (MLC) * Latitude: 47.693300 * Longitude: -121.846800 * Date/Time: 2014-06-01T00:00:00 * Elevation: 158.0 m * Lake water depth: 4 m * Location: Moss Lake, Washington, USA * Method/Device: Core drilling (CDRILL) * Comment: Location: Tolt River basin in King County in the Cascade foothils
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample code/labelSample labelEgan, Joanne
2 Age, maximum/oldAge maxkaEgan, Joanneunmodelled age
3 Age, minimum/youngAge minkaEgan, Joanneunmodelled age
4 Confidence levelConf%Egan, Joanneunmodelled age
5 DEPTH, sediment/rockDepth sedmEgan, JoanneGeocode
6 Age, maximum/oldAge maxkaEgan, JoanneAge, 14C calibrated, OxCal 4.2.4, P sequence deposition modelmodelled age
7 Age, minimum/youngAge minkaEgan, JoanneAge, 14C calibrated, OxCal 4.2.4, P sequence deposition modelmodelled age
8 Confidence levelConf%Egan, JoanneAge, 14C calibrated, OxCal 4.2.4, P sequence deposition modelmodelled age
9 AGEAgeka BPEgan, JoanneCalculatedGeocode – median age
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
472 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Sample label		2 
Age max [ka]
(unmodelled age)		3 
Age min [ka]
(unmodelled age)		4 
Conf [%]
(unmodelled age)		5 
Depth sed [m]		6 
Age max [ka]
(modelled age, Age, 14C calibr...)		7 
Age min [ka]
(modelled age, Age, 14C calibr...)		8 
Conf [%]
(modelled age, Age, 14C calibr...)		9 
Age [ka BP]
(median age, Calculated)
Boundary Top of core1.952.7482.36695.42.5570
R_Date MLC12.7552.49995.31.962.7582.49795.42.6275
depthModel2.013.6142.70495.43.1590
depthModel2.064.2932.89995.43.5960
depthModel2.114.9843.24195.44.1125
depthModel2.165.6113.64895.44.6295
depthModel2.216.2024.10695.45.1540
Boundary Change in deposition rate2.266.7514.63295.45.6915
depthModel2.296.7754.74095.45.7575
depthModel2.346.8214.91295.45.8665
depthModel2.396.8615.07695.45.9685
depthModel2.446.9055.24495.46.0745
depthModel2.496.9505.42095.46.1850
depthModel2.546.9945.59595.46.2945
depthModel2.597.0375.76795.46.4020
depthModel2.647.0835.94095.46.5115
depthModel2.697.1266.10995.46.6175
depthModel2.747.1706.27995.46.7245
depthModel2.797.2136.45195.46.8320
depthModel2.847.2566.62195.46.9385
depthModel2.897.3006.78895.47.0440
depthModel2.947.3446.95795.47.1505
depthModel2.997.3907.11795.47.2535
R_Date MLD17.4107.16795.43.017.4107.17495.47.2920
depthModel3.047.4407.24995.47.3445
depthModel3.097.5067.36195.47.4335
R_Date MLD27.5657.43095.43.117.5167.42695.47.4710
depthModel3.147.5717.46795.47.5190
R_Date MLD37.6197.48095.43.177.6067.51795.47.5615
depthModel3.197.6467.55095.47.5980
Prior Mazama7.6827.58495.43.217.6747.58795.47.6305
Boundary 324cm, Event free depth3.247.7787.60395.47.6905
depthModel3.257.8267.61695.47.7210
depthModel3.308.0037.69895.47.8505
depthModel3.358.1557.83595.47.9950
depthModel3.408.2657.99395.48.1290
R_Date MLD48.3448.18095.43.458.3468.17895.48.2620
depthModel3.508.6108.22095.48.4150
depthModel3.558.8518.26795.48.5590
depthModel3.609.0938.32595.48.7090
depthModel3.659.3438.39295.48.8675
depthModel3.709.5908.46495.49.0270
depthModel3.759.8388.53395.49.1855
depthModel3.8010.0858.60295.49.3435
depthModel3.8510.3378.67795.49.5070
depthModel3.9010.5908.75095.49.6700
depthModel3.9510.8408.82295.49.8310
depthModel4.0011.0788.89395.49.9855
depthModel4.0511.3438.96595.410.1540
depthModel4.1011.5949.04095.410.3170
depthModel4.1511.8399.11195.410.4750
depthModel4.2012.0979.18795.410.6420
depthModel4.2512.3429.26195.410.8015
Boundary Change in deposition rate 34.3012.5929.32595.410.9585
depthModel4.3512.8579.76395.411.3100
depthModel4.4013.13810.17295.411.6550
depthModel4.4513.41310.61495.412.0135
depthModel4.5013.68611.06595.412.3755
depthModel4.5513.92611.50395.412.7145
depthModel4.6014.15811.95195.413.0545
depthModel4.6514.39312.40795.413.4000
depthModel4.7014.60012.86095.413.7300
depthModel4.7514.81613.33195.414.0735
Mazama14.8015.02313.81995.414.4210
Glacier Peak4.8515.16214.28895.414.7250
Boundary Change in deposition rate 24.9015.32214.73195.415.0265
R_Date MLF115.34614.98095.44.9515.35314.93195.415.1420
depthModel5.0015.60914.96395.415.2860
depthModel5.0515.93114.97195.415.4510
depthModel5.1016.25714.97395.415.6150
depthModel5.1516.59214.97295.415.7820
depthModel5.2016.91514.97195.415.9430
depthModel5.2517.22914.96795.416.0980
depthModel5.3017.54514.96695.416.2555
depthModel5.3517.86514.96995.416.4170
depthModel5.4018.18714.96795.416.5770
depthModel5.4518.52714.96495.416.7455
depthModel5.5018.83414.96295.416.8980
depthModel5.5519.16714.96095.417.0635
depthModel5.6019.47314.96295.417.2175
depthModel5.6519.77414.96295.417.3680
depthModel5.7020.13614.96295.417.5490
depthModel5.7520.45414.96295.417.7080
depthModel5.8020.80714.96295.417.8845
depthModel5.8521.12614.96395.418.0445
depthModel5.9021.42214.96495.418.1930
Boundary Base5.9521.69614.94895.418.3220
Boundary Top of core2.7482.36695.4
R_Date MLC12.7552.49995.32.7582.49795.4
Boundary Change in deposition rate6.7514.63295.4
R_Date MLD17.4107.16795.47.4107.17495.4
R_Date MLD27.5657.43095.47.5167.42695.4
R_Date MLD37.6197.48095.47.6067.51795.4
Prior Mazama7.6827.58495.47.6747.58795.4
Boundary 324cm, Event free depth7.7787.60395.4
R_Date MLD48.3448.18095.48.3468.17895.4
Boundary Change in deposition rate 312.5929.32595.4
Mazama115.02313.81995.4
Glacier Peak15.16214.28895.4
Boundary Change in deposition rate 215.32214.73195.4
R_Date MLF115.34614.98095.415.35314.93195.4
Boundary Base21.69614.94895.4
P_Sequence MLC-0.0020.00295.4-0.0010.00295.4
U(0,4)0.0000.00495.40.0000.00495.4
T(5)-0.0030.00395.4
Outlier_Model General-0.4270.28095.4