Citation:

PANGAEA.975009

Name: Sedimentary rare earth elements in Dongting Lake
Published: 2025-02-24
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Dongting Lake; Lake sediment; Paleolimnology; Rare earth elements

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Published: 2025-02-24 • DOI registered: 2025-03-25

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Abstract:

This dataset presents concentrations of rare earth elements in the sediment core of Dongting Lake. The sediment core is 72 cm in length, and it recorded the history of environmental changes since ~1910 CE according to the 210Pb dating.

Keyword(s):

Dongting Lake; Lake sediment; Paleolimnology; Rare earth elements

Related to:

Chen, Xu; McGowan, Suzanne; Ji, Jing; Zeng, Linghan; Cao, Yanmin; Huang, Chunling; Qiao, Qianglong; Liang, Jia; Nie, Lijuan (2022): Paleolimnological records for tracking dam-induced changes in the composition and supply of sediment to middle Yangtze floodplain lakes. CATENA, 219, 106643, https://doi.org/10.1016/j.catena.2022.106643

Wang, Zekun; Zeng, Linghan; Wang, Heyuan; Long, Xuejing; Peng, Jia; Chen, Xu (2024): Different effects of natural siltation, damming and pollution on two adjacent lakes of Dongting Lake Wetland: Evidence from paleolimnology. Journal of Hydrology, 638, 131499, https://doi.org/10.1016/j.jhydrol.2024.131499

Zeng, Linghan; Swann, George E A; Leng, Melanie J; Chen, Xu; Ji, Jing; Huang, Xianyu; McGowan, Suzanne (2023): Ecosystem deterioration in the middle Yangtze floodplain lakes over the last two centuries: Evidence from sedimentary pigments. Quaternary Science Reviews, 302, 107954, https://doi.org/10.1016/j.quascirev.2023.107954

Funding:

National Natural Science Foundation of China (NSFC), grant/award no. 42171149: Long term records of lake sediment and watershed reveal a safe and just space for sustainable development in impoverished areas

National Natural Science Foundation of China (NSFC), grant/award no. 42201173: Quantitative reconstruction of centurial high-resolution underwater light variability using sedimentary pigments

National Natural Science Foundation of China (NSFC), grant/award no. U20A2094: Climate and biological processes in the geological evolution of typical key zones in western Hubei

Coverage:

Latitude: 29.281080 * Longitude: 112.892800

Date/Time Start: 2013-01-13T00:00:00 * Date/Time End: 2013-01-13T00:00:00

Event(s):

EDT_core * Latitude: 29.281080 * Longitude: 112.892800 * Date/Time: 2013-01-13T00:00:00 * Lake water depth: 6.4 m * Recovery: 72 cm * Location: East Dongting lake * Method/Device: Gravity corer (GC)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample ID	Sample ID		Chen, Xu
2	AGE	Age	ka BP	Chen, Xu		Geocode
3	Age	Age	a AD/CE	Chen, Xu
4	LONGITUDE	Longitude		Chen, Xu		Geocode
5	LATITUDE	Latitude		Chen, Xu		Geocode
6	Lanthanum	La	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
7	Cerium	Ce	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
8	Praseodymium	Pr	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
9	Neodymium	Nd	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
10	Samarium	Sm	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
11	Europium	Eu	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
12	Gadolinium	Gd	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
13	Terbium	Tb	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
14	Dysprosium	Dy	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
15	Holmium	Ho	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
16	Erbium	Er	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
17	Thulium	Tm	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
18	Ytterbium	Yb	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
19	Lutetium	Lu	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
20	Rare-earth elements	REE	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
21	Light rare-earth elements	LREE	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
22	Heavy rare-earth elements	HREE	mg/kg	Chen, Xu	Inductively coupled plasma - mass spectrometry (ICP-MS)
23	Light rare-earth elements/heavy rare-earth elements ratio	LREE/HREE		Chen, Xu
24	Lanthanum/Ytterbium ratio	La/Yb		Chen, Xu
25	Lanthanum/Samarium ratio	La/Sm		Chen, Xu
26	Gadolinium/Ytterbium ratio	Gd/Yb		Chen, Xu
27	Cerium anomaly	Ce/Ce*		Chen, Xu
28	Europium anomaly	Eu/Eu*		Chen, Xu
29	Gadolinium anomaly	Gd/Gd*		Chen, Xu

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

910 data points

Data

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

1 Sample ID	2 Age [ka BP]	3 Age [a AD/CE]	4 Longitude	5 Latitude	6 La [mg/kg]	7 Ce [mg/kg]	8 Pr [mg/kg]	9 Nd [mg/kg]	10 Sm [mg/kg]	11 Eu [mg/kg]	12 Gd [mg/kg]	13 Tb [mg/kg]	14 Dy [mg/kg]	15 Ho [mg/kg]	16 Er [mg/kg]	17 Tm [mg/kg]	18 Yb [mg/kg]	19 Lu [mg/kg]	20 REE [mg/kg]	21 LREE [mg/kg]	22 HREE [mg/kg]	23 LREE/HREE	24 La/Yb	25 La/Sm	26 Gd/Yb	27 Ce/Ce*	28 Eu/Eu*	29 Gd/Gd*
DT2-1	-0.063030	2013.030	112.8928	29.28108	47.8	86.4	10.8	38.9	7.50	1.71	6.79	1.10	5.69	1.12	3.19	0.53	3.09	0.52	215.14	193.11	22.03	8.76577	1.49858	1.13525	1.31000	0.82824	1.05208	0.98762
DT2-3	-0.061730	2011.730	112.8928	29.28108	50.0	90.1	11.3	40.0	7.78	1.76	6.95	1.18	5.83	1.16	3.25	0.56	3.23	0.54	223.64	200.94	22.70	8.85198	1.49961	1.14476	1.28275	0.82559	1.05087	0.95569
DT2-5	-0.060965	2010.965	112.8928	29.28108	47.8	86.6	10.9	38.1	7.54	1.77	6.66	1.12	5.67	1.13	3.17	0.55	3.16	0.55	214.72	192.71	22.01	8.75557	1.46539	1.12923	1.25645	0.82634	1.09665	0.94600
DT2-7	-0.059722	2009.722	112.8928	29.28108	46.0	84.5	10.7	38.1	7.53	1.74	6.68	1.12	5.66	1.13	3.16	0.55	3.23	0.57	210.67	188.57	22.10	8.53258	1.37964	1.08815	1.23291	0.82957	1.07716	0.95447
DT2-9	-0.058588	2008.588	112.8928	29.28108	49.7	89.8	11.4	40.2	7.65	1.80	6.85	1.15	5.83	1.16	3.26	0.56	3.23	0.56	223.15	200.55	22.60	8.87389	1.49062	1.15723	1.26429	0.82170	1.09173	0.95078
DT2-11	-0.057143	2007.143	112.8928	29.28108	49.2	88.7	11.2	39.5	7.79	1.76	6.70	1.16	5.72	1.16	3.28	0.56	3.17	0.57	220.47	198.15	22.32	8.87769	1.50355	1.12500	1.26001	0.82300	1.06961	0.93182
DT2-13	-0.055989	2005.989	112.8928	29.28108	49.5	89.1	11.3	39.7	7.66	1.78	6.85	1.16	5.78	1.12	3.19	0.57	3.29	0.56	221.56	199.04	22.52	8.83837	1.45754	1.15107	1.24123	0.82054	1.07889	0.94903
DT2-15	-0.054847	2004.847	112.8928	29.28108	49.8	89.4	11.3	39.7	7.79	1.81	6.93	1.17	5.75	1.13	3.30	0.57	3.16	0.56	222.37	199.80	22.57	8.85246	1.52670	1.13872	1.30739	0.82082	1.08158	0.94926
DT2-17	-0.054033	2004.033	112.8928	29.28108	49.5	87.6	11.1	39.0	7.63	1.77	6.83	1.15	5.64	1.10	3.22	0.54	3.14	0.56	218.78	196.60	22.18	8.86384	1.52717	1.15559	1.29673	0.81396	1.07651	0.95350
DT2-19	-0.052613	2002.613	112.8928	29.28108	50.6	90.6	11.5	39.9	7.77	1.81	7.08	1.16	5.74	1.15	3.34	0.56	3.23	0.56	225.00	202.18	22.82	8.85977	1.51761	1.15999	1.30674	0.81803	1.07144	0.97528
DT2-21	-0.051897	2001.897	112.8928	29.28108	49.1	87.6	11.1	38.5	7.43	1.78	6.72	1.10	5.59	1.10	3.13	0.55	3.08	0.56	217.34	195.51	21.83	8.95602	1.54434	1.17711	1.30070	0.81727	1.10601	0.96386
DT2-23	-0.050347	2000.347	112.8928	29.28108	48.4	85.7	10.8	38.1	7.25	1.72	6.49	1.08	5.33	1.07	3.07	0.53	3.10	0.53	213.17	191.97	21.20	9.05519	1.51250	1.18914	1.24808	0.81642	1.10092	0.95343
DT2-27	-0.049456	1999.456	112.8928	29.28108	50.5	89.2	11.3	39.7	7.54	1.80	6.87	1.13	5.60	1.14	3.28	0.57	3.23	0.56	222.42	200.04	22.38	8.93834	1.51461	1.19301	1.26798	0.81329	1.09806	0.96453
DT2-29	-0.048078	1998.078	112.8928	29.28108	49.7	87.6	11.1	38.7	7.44	1.79	6.80	1.10	5.56	1.13	3.19	0.56	3.14	0.54	218.35	196.33	22.02	8.91599	1.53334	1.18989	1.29103	0.81233	1.10492	0.97340
DT2-31	-0.046186	1996.186	112.8928	29.28108	49.1	87.4	11.2	39.2	7.52	1.86	6.65	1.13	5.64	1.10	3.18	0.56	3.11	0.55	218.20	196.28	21.92	8.95438	1.52944	1.16302	1.27473	0.81176	1.15481	0.92288
DT2-33	-0.044483	1994.483	112.8928	29.28108	50.5	89.6	11.4	39.5	7.89	1.87	7.09	1.16	5.77	1.17	3.21	0.57	3.22	0.55	223.50	200.76	22.74	8.82850	1.51931	1.14009	1.31265	0.81335	1.09773	0.96561
DT2-35	-0.042933	1992.933	112.8928	29.28108	50.2	90.2	11.4	39.6	7.88	1.86	6.92	1.18	5.78	1.16	3.25	0.58	3.31	0.57	223.89	201.14	22.75	8.84132	1.46922	1.13476	1.24634	0.82124	1.10590	0.93380
DT2-37	-0.041638	1991.638	112.8928	29.28108	50.8	90.8	11.4	40.3	7.90	1.87	7.14	1.17	5.73	1.17	3.21	0.59	3.18	0.54	225.80	203.07	22.73	8.93401	1.54756	1.14541	1.33853	0.82180	1.09319	0.96703
DT2-39	-0.039510	1989.510	112.8928	29.28108	52.5	93.8	11.8	41.8	8.31	1.94	7.28	1.20	5.91	1.21	3.39	0.62	3.42	0.57	233.75	210.15	23.60	8.90466	1.48712	1.12534	1.26901	0.82082	1.09510	0.95748
DT2-41	-0.038398	1988.398	112.8928	29.28108	46.6	82.1	10.5	36.4	7.02	1.65	6.25	1.04	5.07	1.06	2.93	0.51	2.92	0.50	204.55	184.27	20.28	9.08629	1.54602	1.18243	1.27601	0.80839	1.09369	0.95476
DT2-43	-0.036752	1986.752	112.8928	29.28108	47.1	84.6	10.9	38.7	7.52	1.81	6.59	1.12	5.43	1.12	3.11	0.58	3.09	0.53	212.20	190.63	21.57	8.83774	1.47664	1.11565	1.27141	0.81323	1.12887	0.92876
DT2-45	-0.035011	1985.011	112.8928	29.28108	49.7	89.0	11.3	39.3	7.85	1.87	6.80	1.18	5.55	1.17	3.20	0.57	3.21	0.55	221.25	199.02	22.23	8.95277	1.49990	1.12775	1.26288	0.81797	1.12375	0.91589
DT2-47	-0.032830	1982.830	112.8928	29.28108	51.9	93.0	11.7	41.2	8.24	1.86	7.09	1.22	5.86	1.19	3.35	0.59	3.32	0.55	231.07	207.90	23.17	8.97281	1.51440	1.12193	1.27311	0.82200	1.06842	0.93603
DT2-49	-0.030413	1980.413	112.8928	29.28108	47.5	84.6	10.8	38.0	7.34	1.71	6.59	1.10	5.40	1.11	3.05	0.56	3.13	0.52	211.41	189.95	21.46	8.85135	1.47015	1.15272	1.25516	0.81354	1.07950	0.95853
DT2-51	-0.027322	1977.322	112.8928	29.28108	47.8	84.9	10.9	37.9	7.38	1.71	6.60	1.12	5.40	1.10	3.10	0.57	3.13	0.52	212.13	190.59	21.54	8.84819	1.47943	1.15371	1.25707	0.81011	1.07576	0.94867
DT2-53	-0.024076	1974.076	112.8928	29.28108	50.4	89.8	11.5	40.7	7.99	1.84	6.97	1.17	5.72	1.17	3.28	0.59	3.25	0.54	224.92	202.23	22.69	8.91274	1.50231	1.12359	1.27852	0.81241	1.08254	0.94934
DT2-55	-0.021858	1971.858	112.8928	29.28108	50.3	89.4	11.4	40.3	7.81	1.84	7.01	1.17	5.82	1.17	3.26	0.60	3.30	0.55	223.93	201.05	22.88	8.78715	1.47661	1.14721	1.26638	0.81314	1.09182	0.95479
DT2-57	-0.020000	1970.000	112.8928	29.28108	46.3	84.7	10.7	38.3	7.24	1.64	6.42	0.99	5.35	1.03	2.97	0.47	2.97	0.47	209.55	188.88	20.67	9.13788	1.51021	1.13911	1.28866	0.82883	1.05615	1.01464
DT2-59	-0.016759	1966.759	112.8928	29.28108	47.2	84.4	10.7	38.4	7.25	1.72	6.48	1.13	5.37	1.12	3.12	0.56	3.14	0.54	211.13	189.67	21.46	8.83830	1.45621	1.15966	1.23028	0.81798	1.10177	0.92414
DT2-61	-0.010759	1960.759	112.8928	29.28108	46.2	84.1	10.6	37.9	7.26	1.63	6.35	0.98	5.33	1.04	2.98	0.47	2.97	0.47	208.28	187.69	20.59	9.11559	1.50694	1.13352	1.27461	0.82773	1.05402	1.01235
DT2-63	-0.006199	1956.199	112.8928	29.28108	48.5	87.1	11.1	39.4	7.66	1.80	6.89	1.18	5.74	1.15	3.27	0.57	3.22	0.55	218.13	195.56	22.57	8.66460	1.45914	1.12781	1.27562	0.81762	1.08784	0.94028
DT2-65	0.002474	1947.526	112.8928	29.28108	49.4	89.0	11.4	40.3	7.97	1.83	6.79	1.14	5.76	1.18	3.22	0.57	3.33	0.57	222.46	199.90	22.56	8.86082	1.43712	1.10406	1.21558	0.81685	1.09221	0.94238
DT2-67	0.012220	1937.780	112.8928	29.28108	47.2	85.3	10.8	38.4	7.40	1.72	6.68	1.12	5.69	1.17	3.14	0.55	3.13	0.55	212.85	190.82	22.03	8.66182	1.46086	1.13615	1.27230	0.82287	1.07409	0.95826
DT2-69	0.020303	1929.697	112.8928	29.28108	47.0	85.5	10.9	38.7	7.37	1.74	6.77	1.12	5.60	1.12	3.15	0.55	3.11	0.56	213.19	191.21	21.98	8.69927	1.46403	1.13594	1.29774	0.82275	1.08153	0.96733
DT2-72	0.039832	1910.168	112.8928	29.28108	47.1	86.2	10.9	38.3	7.27	1.74	6.49	1.11	5.59	1.13	3.11	0.57	3.18	0.54	213.23	191.51	21.72	8.81722	1.43485	1.15401	1.21668	0.82861	1.11219	0.93279