Citation:

PANGAEA.990158

Name: Lead-210 (Pb-210) and Cesium-137 (Cs-137) dating of a sediment core from Lake Teremendo (Michoacán, Mexico)
Published: 2026-06-05
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Anthropocene; biogeochemistry; Carbon accumulation; crater lake; Lake sediment; Mexico; Primary production; Tropical

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Published: 2026-06-05 • DOI registered: 2026-07-04

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Abstract:

Lead-210 (Pb-210) and Cesium-137 (Cs-137) dating of sediment core LTe22-1 retrieved from Lake Teremendo in April 2022.

Keyword(s):

Anthropocene; biogeochemistry; Carbon accumulation; crater lake; Lake sediment; Mexico; Primary production; Tropical

Supplement to:

Rantala, Marttiina V; Israde-Alcántara, Isabel; Safaierad, Reza; Mattielli, Nadine; Tylmann, Wojciech; Smol, John P; Grooms, Christopher; Lepoint, Gilles; Francus, Pierre; Metcalfe, Sarah; Etmański, Paweł; Fagel, Nathalie (2026): Increasing lake primary production and organic carbon sequestration in tropical Mexican lakes during the past century. CATENA, 273, 110448, https://doi.org/10.1016/j.catena.2026.110448

Funding:

Fonds de la Recherche Scientifique (FNRS), grant/award no. PDR T.0079.21: Holocene Mexican Crater Lakes and Climate (HolMeCl)

Coverage:

Latitude: 19.806306 * Longitude: -101.455083

Date/Time Start: 2022-04-13T00:00:00 * Date/Time End: 2022-04-13T00:00:00

Minimum DEPTH, sediment/rock: 0.0025 m * Maximum DEPTH, sediment/rock: 0.2925 m

Event(s):

LTe22-1 * Latitude: 19.806306 * Longitude: -101.455083 * Date/Time: 2022-04-13T00:00:00 * Elevation: 2060.0 m * Location: Lake Teremendo, Michoacán, Mexico * Method/Device: Sediment corer, UWITEC

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m	Rantala, Marttiina V		Geocode – Middle depth of sediment section.
2	Depth, sediment/rock, top/minimum	Depth sed top	m	Rantala, Marttiina V		Top depth of sediment section.
3	Depth, sediment/rock, bottom/maximum	Depth sed bot	m	Rantala, Marttiina V		Bottom depth of sediment section.
4	Lead-210	210Pb	Bq/kg	Rantala, Marttiina V	Alpha spectrometry
5	Lead-210, standard deviation	210Pb std dev	±	Rantala, Marttiina V	Alpha spectrometry
6	Lead-210, supported	210Pb sup	Bq/kg	Rantala, Marttiina V	Alpha spectrometry	Estimated from the lowermost four samples of the profile where Pb-210 activity approaches a constant value.
7	Lead-210, supported, standard deviation	210Pb sup std dev	±	Rantala, Marttiina V	Alpha spectrometry
8	Lead-210, unsupported	210Pb unsup	Bq/kg	Rantala, Marttiina V	Alpha spectrometry
9	Lead-210, unsupported, standard deviation	210Pb unsup std dev	±	Rantala, Marttiina V	Alpha spectrometry
10	Caesium-137	137Cs	Bq/kg	Rantala, Marttiina V	Gamma spectrometry
11	Caesium-137, standard deviation	137Cs std dev	±	Rantala, Marttiina V	Gamma spectrometry

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

250 data points

Data

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

1 Depth sed [m]	2 Depth sed top [m]	3 Depth sed bot [m]	4 210Pb [Bq/kg]	5 210Pb std dev [±]	6 210Pb sup [Bq/kg]	7 210Pb sup std dev [±]	8 210Pb unsup [Bq/kg]	9 210Pb unsup std dev [±]	10 137Cs [Bq/kg]	11 137Cs std dev [±]
0.0025	0.00	0.005	155.9	7.3	19.1	1.3	136.8	7.4
0.0125	0.01	0.015	133.1	6.3	19.1	1.3	114.0	6.4
0.0225	0.02	0.025	141.8	6.2	19.1	1.3	122.7	6.3
0.0325	0.03	0.035	174.1	7.6	19.1	1.3	155.0	7.7
0.0425	0.04	0.045	193.1	8.1	19.1	1.3	174.0	8.2
0.0525	0.05	0.055	196.0	8.4	19.1	1.3	176.9	8.5
0.0625	0.06	0.065	177.1	7.6	19.1	1.3	158.0	7.7
0.0725	0.07	0.075	120.2	5.5	19.1	1.3	101.1	5.6
0.0825	0.08	0.085	94.0	5.1	19.1	1.3	74.9	5.3	7.3	2.4
0.0925	0.09	0.095	114.0	5.8	19.1	1.3	94.9	5.9
0.1025	0.10	0.105	95.7	4.8	19.1	1.3	76.6	4.9	7.6	2.4
0.1125	0.11	0.115	99.8	5.1	19.1	1.3	80.7	5.2	9.5	2.2
0.1225	0.12	0.125	76.5	4.4	19.1	1.3	57.4	4.6	11.9	2.6
0.1325	0.13	0.135	85.3	4.7	19.1	1.3	66.2	4.9	15.6	2.8
0.1425	0.14	0.145	51.0	3.4	19.1	1.3	31.9	3.6	10.2	2.3
0.1525	0.15	0.155	33.7	2.8	19.1	1.3	14.6	3.1	9.5	2.2
0.1625	0.16	0.165	29.2	2.6	19.1	1.3	10.1	2.9	5.0	2.0
0.1725	0.17	0.175	37.6	2.8	19.1	1.3	18.5	3.1	1.9	1.9
0.1825	0.18	0.185	29.8	2.5	19.1	1.3	10.7	2.9
0.1925	0.19	0.195	26.8	2.2	19.1	1.3	7.7	2.5
0.2025	0.20	0.205	23.2	2.2	19.1	1.3	4.1	2.6
0.2125	0.21	0.215	27.8	2.5	19.1	1.3	8.7	2.8
0.2225	0.22	0.225	26.3	2.3	19.1	1.3	7.2	2.7
0.2325	0.23	0.235	33.7	2.7	19.1	1.3	14.6	3.0
0.2425	0.24	0.245	23.5	2.0	19.1	1.3	4.4	2.4
0.2525	0.25	0.255	26.9	2.3	19.1	1.3	7.8	2.6
0.2625	0.26	0.265	19.7	2.0	19.1	1.3
0.2725	0.27	0.275	19.9	2.0	19.1	1.3
0.2825	0.28	0.285	20.1	2.1	19.1	1.3
0.2925	0.29	0.295	16.8	1.8	19.1	1.3