Table 1 AMS radiocarbon dates of samples from16 peat/mud cores in the Sanjiang Plain.

From: The peatlands developing history in the Sanjiang Plain, NE China and its response to East Asian monsoon variation

Site#	Lab number	Depth (cm)	Dating material	δ¹³C (‰)	AMS ¹⁴ C age ( ¹⁴ C yr BP)	Calibrated ¹⁴ C age (2σ) (cal yr BP)
S2	XA7553	27	Plant residues	−37.78	550 ± 24	520–560
S2	XA7592	60	Plant residues Organic matter	−38.64	1088 ± 24	940–1010
S2	XA7542	84	Plant residues	−30.36	1381 ± 26	1280–1340
S2	XA7543	107	Plant residues Organic matter	−24.56	1673 ± 32	1520–1630
S2	XA7570	165	Plant residues	−30.14	3542 ± 26	3810–3900
S1	XA7561	44	Plant residues	−34.77	1733 ± 24	1590–1700
S1	XA7562	67	Plant residues Organic matter	−30.51	1847 ± 23	1710–1830
S1	XA7540	92	Plant residues	−30.14	2173 ± 25	2220–2310
S1	XA7563	100	Plant residues Organic matter	−30.52	2446 ± 28	2360–25402
S1	XA7541	135	Organic matter	−29.80	3268 ± 27	3450–3570
H2	XA7572	29	Plant residues Organic matter	−32.12	606 ± 23	580–650
H2	XA7573	60	Organic matter	−30.91	1243 ± 24	1170–1270
H2	XA7574	80	Plant residues Organic matter	−31.54	2295 ± 25	2310–2350
H2	XA7576	95	Plant residues Organic matter	−29.89	2759 ± 28	2780–2930
H2	XA7577	116	Plant residues	−30.40	3335 ± 25	3550–3640
H2	XA7578	140	Plant residues Organic matter	−31.76	5313 ± 33	5990–6190
H2	XA7579	148	Organic matter	−29.89	5736 ± 28	6450–6570
Q3	XA7583	65	Plant residues	−33.75	1021 ± 24	920–970
Q3	XA7584	80	Plant residues Organic matter	−36.03	1660 ± 24	1530–1620
Q3	XA7593	92	Organic matter	−29.69	2188 ± 25	2330–2440
H3	XA7580	26	Plant residues Organic matter	−30.72	922 ± 25	790–920
H3	XA7581	50	Plant residues	−30.86	1055 ± 23	930–990
H3	XA7582	100	Organic matter Organic matter	−30.16	5061 ± 28	5740–5900
Q4	XA7587	57	Plant residues	−26.67	1852 ± 25	1720–1840
Q4	XA7588	83	Organic matter	−29.51	3950 ± 26	4350–4450
Q1	XA7589	11	Plant residues Organic matter	−26.36	2244 ± 25	2160–2270
Q1	XA7537	38	Plant residues	−27.43	4165 ± 28	4610–4770
Q1	XA7590	69	Organic matter	−27.77	10223 ± 35	11820–12090
H1	XA7567	30	Plant residues Organic matter	−29.16	2066 ± 23	1990–2120
H1	XA7568	60	Organic matter	−27.39	7830 ± 32	8540–8660
W4	XA7534	36	Organic matter	−24.57	3606 ± 28	3840–3980
W4	XA7533	60	Organic matter	−26.34	6277 ± 36	7160–7280
W6	XA7538	30	Plant residues	−23.14	3528 ± 25	3720–3880
W6	XA7537	53	Organic matter	−27.43	4165 ± 28	4610–4770
Z1	XA7539	52	Organic matter	−26.01	3547 ± 26	3810–3910
Z1	XA7528	90	Organic matter	−21.73	5476 ± 29	6260–6310
X2	XA7564	24	Plant residues Organic matter	−29.49	3005 ± 25	3140–3250
X2	XA7560	40	Organic matter	−29.38	3983 ± 27	4460–4520
X1	XA7558	60	Plant residues Organic matter	−29.99	4194 ± 39	4610–4770
X1	XA7559	76	Organic matter	−30.58	4278 ± 28	4830–4770
ZJ	XA7569	44	Organic matter Organic matter	−29.45	3797 ± 26	4090–4250
ZJ	XA7591	80	Organic matter	−32.75	6308 ± 31	7170–7290
W2	XA7529	32	Organic matter	−22.21	5258 ± 27	5930–6030
W2	XA7530	45	Organic matter	−22.01	5937 ± 33	6670–6810
W2	XA7527	62	Organic matter	−22.01	8062 ± 33	8970–9030

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Table 1 AMS radiocarbon dates of samples from16 peat/mud cores in the Sanjiang Plain.

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