Wang, Zekun; Zeng, Linghan; Long, Xuejing; Wang, Heyuan; Peng, Jia; Chen, Xu (2025): Sedimentary rare earth elements in Donghu Lake [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.975014
Always quote citation above when using data! You can download the citation in several formats below.
Published: 2025-02-24 • DOI registered: 2025-03-25
Abstract:
This dataset presents concentrations of rare earth elements in the sediment core of Donghu Lake. The sediment core is 73 cm in length, the upper layers (0-55 cm) recorded the history of environmental changes since ~1810 CE according to the 210Pb dating.
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: 29.360000 * Longitude: 112.610000
Event(s):
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 | ||
| 7 | Cerium | Ce | mg/kg | Chen, Xu | ||
| 8 | Praseodymium | Pr | mg/kg | Chen, Xu | ||
| 9 | Neodymium | Nd | mg/kg | Chen, Xu | ||
| 10 | Samarium | Sm | mg/kg | Chen, Xu | ||
| 11 | Europium | Eu | mg/kg | Chen, Xu | ||
| 12 | Gadolinium | Gd | mg/kg | Chen, Xu | ||
| 13 | Terbium | Tb | mg/kg | Chen, Xu | ||
| 14 | Dysprosium | Dy | mg/kg | Chen, Xu | ||
| 15 | Holmium | Ho | mg/kg | Chen, Xu | ||
| 16 | Erbium | Er | mg/kg | Chen, Xu | ||
| 17 | Thulium | Tm | mg/kg | Chen, Xu | ||
| 18 | Ytterbium | Yb | mg/kg | Chen, Xu | ||
| 19 | Lutetium | Lu | mg/kg | Chen, Xu | ||
| 20 | Rare-earth elements | REE | mg/kg | Chen, Xu | ||
| 21 | Light rare-earth elements | LREE | mg/kg | Chen, Xu | ||
| 22 | Heavy rare-earth elements | HREE | mg/kg | Chen, Xu | ||
| 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:
927 data points