/* DATA DESCRIPTION:
Citation:	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): Lead-210 (Pb-210) and Cesium-137 (Cs-137) dating of a sediment core from Lake Santa Maria del Oro (Nayarit, Mexico) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.990157
Abstract:	Lead-210 (Pb-210) and Cesium-137 (Cs-137) dating of sediment core LSMo22-1 retrieved from Lake Santa Maria del Oro 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: 21.365278 * LONGITUDE: -104.568333
	DATE/TIME START: 2022-04-08T00:00:00 * DATE/TIME END: 2022-04-08T00:00:00
	MINIMUM DEPTH, sediment/rock: 0.0025 m * MAXIMUM DEPTH, sediment/rock: 0.2850 m
Event(s):	LSMo22-1 * LATITUDE: 21.365278 * LONGITUDE: -104.568333 * DATE/TIME: 2022-04-08T00:00:00 * ELEVATION: 750.0 m * LOCATION: Lake Santa Maria del Oro, Nayarit, Mexico * METHOD/DEVICE: Sediment corer, UWITEC
Parameter(s):	DEPTH, sediment/rock [m] (Depth sed) * GEOCODE * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * COMMENT: Middle depth of sediment section.
	Depth, sediment/rock, top/minimum [m] (Depth sed top) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * COMMENT: Top depth of sediment section.
	Depth, sediment/rock, bottom/maximum [m] (Depth sed bot) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * COMMENT: Bottom depth of sediment section.
	Lead-210 [Bq/kg] (210Pb) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Alpha spectrometry
	Lead-210, standard deviation [±] (210Pb std dev) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Alpha spectrometry
	Lead-210, supported [Bq/kg] (210Pb sup) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Alpha spectrometry * COMMENT: Estimated from the lowermost 12 samples of the profile where Pb-210 activity approaches a constant value.
	Lead-210, supported, standard deviation [±] (210Pb sup std dev) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Alpha spectrometry
	Lead-210, unsupported [Bq/kg] (210Pb unsup) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Alpha spectrometry
	Lead-210, unsupported, standard deviation [±] (210Pb unsup std dev) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Alpha spectrometry
	Caesium-137 [Bq/kg] (137Cs) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Gamma spectrometry
	Caesium-137, standard deviation [±] (137Cs std dev) * PI: Rantala, Marttiina V (https://orcid.org/0000-0002-3231-5926, marttiina.rantala@gmail.com) * METHOD/DEVICE: Gamma spectrometry
License:	Creative Commons Attribution 4.0 International (CC-BY-4.0) (URI: https://creativecommons.org/licenses/by/4.0/)
Status:	Curation Level: Enhanced curation (URI: https://wiki.pangaea.de/wiki/Curation_levels)
Size:	224 data points
*/
Depth sed [m]	Depth sed top [m]	Depth sed bot [m]	210Pb [Bq/kg]	210Pb std dev [±]	210Pb sup [Bq/kg]	210Pb sup std dev [±]	210Pb unsup [Bq/kg]	210Pb unsup std dev [±]	137Cs [Bq/kg]	137Cs std dev [±]
0.0025	0.00	0.005	147.1	6.9	38.9	3.1	108.2	7.6		
0.0125	0.01	0.015	126.9	6.3	38.9	3.1	88.0	7.1		
0.0225	0.02	0.025	132.5	6.5	38.9	3.1	93.6	7.2		
0.0325	0.03	0.035	99.9	5.1	38.9	3.1	61.0	6.0		
0.0425	0.04	0.045	79.2	4.1	38.9	3.1	40.3	5.1		
0.0525	0.05	0.055	111.1	5.9	38.9	3.1	72.2	6.6		
0.0625	0.06	0.065	104.9	5.2	38.9	3.1	66.0	6.0	5.82	1.79
0.0725	0.07	0.075	99.2	5.0	38.9	3.1	60.3	5.9		
0.0825	0.08	0.085	112.4	5.9	38.9	3.1	73.5	6.7	3.01	1.14
0.0925	0.09	0.095	91.6	5.1	38.9	3.1	52.7	6.0	5.00	2.37
0.1025	0.10	0.105	89.1	5.0	38.9	3.1	50.2	5.9	6.57	2.30
0.1125	0.11	0.115	69.3	4.0	38.9	3.1	30.4	5.1	19.80	2.04
0.1225	0.12	0.125	65.6	4.1	38.9	3.1	26.7	5.1	19.50	3.80
0.1325	0.13	0.135	66.7	4.1	38.9	3.1	27.8	5.2		
0.1425	0.14	0.145	57.3	3.8	38.9	3.1	18.4	4.9		
0.1525	0.15	0.155	52.2	3.4	38.9	3.1	13.3	4.6	3.40	1.60
0.1625	0.16	0.165	45.3	3.1	38.9	3.1	6.4	4.4		
0.1725	0.17	0.175	44.0	3.0	38.9	3.1	5.1	4.3		
0.1825	0.18	0.185	37.8	2.9	38.9	3.1				
0.1925	0.19	0.195	38.6	3.0	38.9	3.1				
0.2050	0.20	0.210	43.6	3.1	38.9	3.1				
0.2150	0.21	0.220	35.9	2.8	38.9	3.1				
0.2250	0.22	0.230	37.4	2.9	38.9	3.1				
0.2350	0.23	0.240	41.0	3.0	38.9	3.1				
0.2450	0.24	0.250	41.0	3.0	38.9	3.1				
0.2550	0.25	0.260	35.5	2.6	38.9	3.1				
0.2650	0.26	0.270	34.9	2.8	38.9	3.1				
0.2750	0.27	0.280	41.5	3.2	38.9	3.1				
0.2850	0.28	0.290	35.8	2.9	38.9	3.1