Spatial Distributions of Humic Substances and Evaluation of Sediment Organic Index on Lake Dalinouer, China

Table 4

Percentages of total organic matter defined as fulvic acids (FA), humic acids (HA), and humins (HM) in the Dalinouer Lake sediment cores.

Location	Depth (cm)	% HA	% FA	% HM
DLNE-3	2	1.95	14.49	83.56
	4	1.71	7.43	90.86
	6	1.22	5.86	92.91
	8	0.51	9.71	89.74
	10	2.01	5.59	92.31
	12	1.01	7.58	91.41
	14	1.69	3.46	94.38
	16	0.86	2.33	96.08
	18	0.71	1.78	97.41
	20	0.48	1.81	97.71
	22	1.12	8.82	90.06
	24	0.05	4.41	95.51
DLNE-8	2	7.47	4.98	92.75
	4	5.22	3.44	91.33
	6	7.89	1.99	90.12
	8	5.19	3.26	91.51
	10	3.59	6.02	90.38
	12	2.81	5.67	91.53
	14	5.29	3.59	91.12
	16	4.57	2.17	93.26
	18	4.69	4.58	90.61
	20	1.45	9.51	89.04
	22	9.24	4.67	86.09
	24	1.87	0.96	97.07
	26	5.58	6.08	88.34
	28	3.83	3.71	83.57
	30	5.34	2.58	92.08
	32	5.49	5.79	88.71
	34	5.21	8.74	86.05
	36	4.69	11.6	63.51
	38	4.82	0.32	89.72
	40	6.51	13.91	79.51
	42	4.68	6.18	80.04
	44	4.53	3.94	89.54
	46	5.05	4.44	90.1
	48	4.46	2.72	92.8