[Retracted] Spatiotemporal Variation of Surface Sediment Quality in the Xiamen Sea Area, China

Table 2

Surface sediment quality status in the Xiamen Sea during 2004-2016.

	Period	Number of stations	TOC	Sulfide	Oils	Cu	Pb	Zn	Cd	Cr	Hg	As	HPI	RI
WS	2004-2006	14	1.78	310.66	6.45	30.41	153.33	61.34	0.12	43.97	0.02	14.85	6.28	98.96
	2007-2009	8	1.42	93.86	10.49	30.70	49.76	134.19	0.39	5.50	0.09	8.35	9.16	223.03
	2010-2013	10	2.66	89.84	24.77	26.48	24.82	124.7	0.15	22.57	0.09	3.75	4.06	108.07
	2014-2016	11	1.17	118.42	49.18	42.10	40.53	147.98	0.10	38.66	0.08	10.15	5.57	92.09
JE	2004-2006	33	0.90	110.58	112.45	14.21	41.80	95.65	0.33	22.40	0.04	6.89	2.37	65.56
	2007-2009	30	0.99	162.70	3.60	21.37	69.47	170.02	0.35	14.89	0.03	8.47	3.67	69.85
	2010-2013	17	1.18	80.90	1002.06	21.28	36.53	206.71	0.27	52.00	0.10	6.31	3.68	76.12
	2014-2016	65	1.05	80.978	165.09	27.79	51.01	134.70	0.16	43.63	0.06	11.07	3.60	58.79
ES	2004-2006	23	0.69	65.71	48.21	13.23	31.47	—	0.03	—	0.07	5.76	0.71	37.07
	2007-2009	16	0.51	36.40	12.33	12.74	25.54	92.97	0.04	15.29	0.03	2.90	1.64	26.41
	2010-2013	42	0.50	17.08	31.81	13.03	30.79	65.24	0.09	25.68	0.04	6.36	1.88	41.84
	2014-2016	44	0.75	71.60	18.03	13.30	36.67	71.67	0.07	15.58	0.09	6.28	1.64	53.44
TB	2004-2006	18	0.70	88.70	5.02	12.40	32.33	—	0.03	—	0.07	5.80	0.40	36.06
	2007-2009	32	1.37	160.97	9.77	19.71	36.93	109.41	0.08	14.92	0.07	7.71	2.64	48.64
	2010-2013	15	0.77	55.32	17.59	14.40	37.57	93.79	0.15	14.08	0.03	3.81	2.15	45.09
	2014-2016	23	0.96	124.49	16.38	13.85	54.98	76.13	0.14	16.45	0.10	7.33	2.17	66.56

The bold underline indicates that the values exceeding the corresponding background values; “-” means no data obtained.