Multi-component Content Analysis and Water Quality Evaluation of Groundwater in Anxin

doi:10.11924/j.issn.1000-6850.casb2021-0134

Abstract

Abstract:

To find out the chemical characteristics of groundwater and the present situation of water quality in Anxin, 45 groups of groundwater samples were selected and determined by the method of instrument analysis and volumetric method. The main ionic characteristics of groundwater in Anxin were analyzed by using comprehensive descriptive mathematical statistics and ternary phase diagrams. Groundwater quality was evaluated by comprehensive evaluation method. The results show that: (1) in this area the groundwater is slightly alkaline, hydro-chemical type is mainly HCO₃-Na; (2) pH and metasilicate acid have the lowest spatial variation (CV<30%); the spatial variability of potassium and nitrate are the highest (CV>100%); the spatial variation of other indexes are moderate (CV: 30%-100%); (3) the main indexes that affecting the quality of groundwater environment are TDS, SO₄^2-, F^- and total hardness; (4) the results of water quality evaluation show that the groundwater quality is well, mostly are III water. The results are important for understanding the present situation of groundwater quality in Anxin.

Key words: instrumental analysis, volumetric analysis, coefficient of variation, groundwater, hydro-chemical characteristics, water quality assessment

CLC Number:

P641.3

Jia Liangliang, Tian Xiaohua, Liu Huajie. Multi-component Content Analysis and Water Quality Evaluation of Groundwater in Anxin[J]. Chinese Agricultural Science Bulletin, 2021, 37(14): 78-83.

Figures/Tables 7

References 16

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野外编号	K⁺	Na⁺	Ca²⁺	Mg²⁺		HCO₃^–		Cl^–		SO₄^2–		F^–		NO₃^–		总硬度		总碱度		偏硅酸		TDS	pH
B2684	1.30	71.2	10.5	5.61		180.5		7.16		27.7		0.25		2.51		49.2		164.1		19.5		241.1	8.33
B2399	0.60	86.6	10.1	4.39		212.4		20.1		30.4		0.47		0.30		43.2		174.2		15.4		270.7	7.73
B2666	1.10	79.1	10.9	7.32		175.6		25.8		44.9		0.35		6.51		57.3		144.0		16.2		276.1	7.79
B2565	0.20	102.5	2.82	0.49		175.6		20.4		32.3		0.99		0.30		9.0		176.2		15.3		278.6	8.29
B2560	6.80	101.7	2.01	0.49		77.3		24.0		33.6		0.70		0.30		7.0		168.1		20.5		286.7	8.38
B2566	0.20	103.8	8.45	0.98		220.4		19.7		30.6		0.98		0.30		25.1		180.8		18.0		288.8	7.91
B0610	0.20	110.0	3.62	0.49		199.2		20.4		32.9		0.97		0.30		11.1		186.6		16.1		294.5	8.43
B2611	0.40	104.1	6.04	1.95		192.7		30.8		29.3		0.59		0.30		23.1		182.2		14.8		295.4	8.40
B2480	0.50	102.5	6.84	0.49		168.6		31.2		34.8		0.57		3.96		19.1		173.0		15.1		297.6	8.32
B2396	0.70	68.4	24.6	10.3		205.0		26.5		48.5		0.35		2.51		103.5		168.1		22.9		301.9	7.74
B2661	0.90	108.4	9.26	2.44		251.7		17.2		28.9		0.20		6.79		33.2		206.4		17.6		313.4	7.89
B2657	1.15	72.2	21.3	16.1		222.2		38.0		27.4		0.33		12.88		119.6		182.2		18.5		314.7	7.45
B2385	1.20	89.5	14.1	12.2		227.5		33.3		26.4		0.35		11.85		85.4		186.6		16.1		315.0	7.90
B2397	0.60	90.7	16.5	8.79		227.1		30.1		42.2		0.39		3.70		77.4		186.2		17.4		319.9	7.76
B2659	1.00	80.8	18.1	13.2		222.2		33.3		33.8		0.42		14.21		99.5		182.2		18.3		320.1	7.92
B2414	1.30	92.9	13.6	5.56		191.8		39.3		48.2		0.23		14.84		56.7		157.3		18.9		326.4	8.17
B2422	1.85	60.1	35.0	15.4		220.6		9.64		95.4		0.33		2.39		150.9		180.9		23.6		348.6	8.18
B2655	0.50	63.0	36.6	22.5		256.6		38.0		47.1		0.42		5.58		183.9		210.4		22.6		359.3	7.78
B2380	0.90	85.5	23.7	12.9		187.8		51.9		68.2		0.47		8.38		112.6		154.0		18.0		359.7	7.74
B2386	0.40	99.7	20.5	11.7		206.3		63.4		47.1		0.68		0.30		99.5		169.2		18.3		360.7	7.84
B2563	0.30	120.8	12.5	2.93		189.8		55.9		67.4		0.64		0.30		43.2		155.6		17.3		368.6	7.73
B2610	0.30	118.7	14.1	5.86		246.8		38.0		58.1		0.69		0.30		59.3		202.4		18.1		373.0	7.73
B2660	1.40	63.2	43.9	25.4		273.8		41.2		62.2		0.21		6.00		214.1		224.5		24.2		398.9	7.78
B2394	0.50	97.2	20.5	23.4		300.8		16.5		74.4		0.69		1.26		147.8		246.7		20.9		401.0	7.80
B2665	0.40	114.8	23.7	9.28		273.8		46.6		56.7		0.64		0.30		97.5		224.5		20.1		404.4	7.72
B2564	0.30	147.1	15.7	4.88		187.8		52.6		141.1		0.61		0.30		59.3		154.0		14.7		467.5	8.02
B2599	0.80	68.9	47.5	42.2		381.8		32.9		66.5		0.39		22.82		292.5		313.1		25.7		492.7	7.95
B2384	2.30	105.7	34.6	35.6		423.5		47.6		51.9		0.49		1.22		233.2		347.3		21.8		508.0	7.35
B2389	0.30	144.8	26.6	20.5		308.1		63.4		122.9		0.96		0.30		150.8		252.7		18.3		547.6	7.81
B2486	0.60	151.0	36.6	29.8		303.0		77.7		172.6		0.92		3.11		214.1		248.4		18.4		638.0	7.41
B2398	0.40	135.6	51.9	40.5		408.8		94.5		119.0		0.40		0.30		296.5		335.2		22.3		663.9	7.51
B2662	0.50	95.5	84.1	54.7		470.2		128.2		65.8		0.81		2.90		435.2		385.6		23.9		686.0	7.16
B2383	7.50	139.2	43.1	40.8		241.7		87.0		245.7		0.42		1.88		275.4		198.2		20.6		702.2	7.58
B2382	0.40	91.2	107.0	77.9		570.9		145.0		111.7		0.85		0.30		588.0		468.1		24.6		838.4	7.10
B2415	0.50	160.3	56.6	66.9		362.1		155.7		213.9		0.58		1.50		417.0		296.9		21.8		853.8	7.87
B0482	0.60	119.4	107.4	57.2		489.8		91.7		222.9		1.06		0.56		504.0		401.7		21.7		862.6	7.23
B2481	0.20	286.9	14.1	19.5		399.6		99.9		231.3		2.38		0.30		115.6		327.7		14.7		865.4	8.04
B2654	0.50	150.2	55.1	83.5		681.4		73.8		121.6		0.73		21.08		481.5		558.7		26.3		867.4	7.12
B2487	0.30	273.7	25.4	22.9		397.3		133.6		213.5		1.37		0.30		157.8		325.8		16.6		882.1	7.46
B2390	0.30	106.4	131.6	68.4		621.3		142.9		126.9		1.15		0.30		610.1		509.5		22.0		905.1	7.26
B2395	0.80	181.2	57.5	73.7		676.4		82.4		139.8		1.00		16.43		447.3		554.7		23.6		909.3	7.55
B2392	0.40	204.5	56.7	57.1	472.7		109.9		245.6		1.45		0.30		376.9		387.7		20.1		927.6		7.48
B2381	0.50	148.2	93.0	89.3	607.1		146.5		169.7		1.09		34.13		600.0		497.9		21.8		1002.7		7.28
B2656	0.70	107.0	134.0	99.1	779.6		84.5		188.6		0.72		21.27		742.8		639.3		27.7		1047.0		7.02
B0480	0.50	244.6	51.9	68.1	465.3		133.6		348.4		1.00		0.30		410.1		381.6		17.7		1094.3		7.55

野外编号	K⁺	Na⁺	Ca²⁺	Mg²⁺		HCO₃^–		Cl^–		SO₄^2–		F^–		NO₃^–		总硬度		总碱度		偏硅酸		TDS	pH
B2684	1.30	71.2	10.5	5.61		180.5		7.16		27.7		0.25		2.51		49.2		164.1		19.5		241.1	8.33
B2399	0.60	86.6	10.1	4.39		212.4		20.1		30.4		0.47		0.30		43.2		174.2		15.4		270.7	7.73
B2666	1.10	79.1	10.9	7.32		175.6		25.8		44.9		0.35		6.51		57.3		144.0		16.2		276.1	7.79
B2565	0.20	102.5	2.82	0.49		175.6		20.4		32.3		0.99		0.30		9.0		176.2		15.3		278.6	8.29
B2560	6.80	101.7	2.01	0.49		77.3		24.0		33.6		0.70		0.30		7.0		168.1		20.5		286.7	8.38
B2566	0.20	103.8	8.45	0.98		220.4		19.7		30.6		0.98		0.30		25.1		180.8		18.0		288.8	7.91
B0610	0.20	110.0	3.62	0.49		199.2		20.4		32.9		0.97		0.30		11.1		186.6		16.1		294.5	8.43
B2611	0.40	104.1	6.04	1.95		192.7		30.8		29.3		0.59		0.30		23.1		182.2		14.8		295.4	8.40
B2480	0.50	102.5	6.84	0.49		168.6		31.2		34.8		0.57		3.96		19.1		173.0		15.1		297.6	8.32
B2396	0.70	68.4	24.6	10.3		205.0		26.5		48.5		0.35		2.51		103.5		168.1		22.9		301.9	7.74
B2661	0.90	108.4	9.26	2.44		251.7		17.2		28.9		0.20		6.79		33.2		206.4		17.6		313.4	7.89
B2657	1.15	72.2	21.3	16.1		222.2		38.0		27.4		0.33		12.88		119.6		182.2		18.5		314.7	7.45
B2385	1.20	89.5	14.1	12.2		227.5		33.3		26.4		0.35		11.85		85.4		186.6		16.1		315.0	7.90
B2397	0.60	90.7	16.5	8.79		227.1		30.1		42.2		0.39		3.70		77.4		186.2		17.4		319.9	7.76
B2659	1.00	80.8	18.1	13.2		222.2		33.3		33.8		0.42		14.21		99.5		182.2		18.3		320.1	7.92
B2414	1.30	92.9	13.6	5.56		191.8		39.3		48.2		0.23		14.84		56.7		157.3		18.9		326.4	8.17
B2422	1.85	60.1	35.0	15.4		220.6		9.64		95.4		0.33		2.39		150.9		180.9		23.6		348.6	8.18
B2655	0.50	63.0	36.6	22.5		256.6		38.0		47.1		0.42		5.58		183.9		210.4		22.6		359.3	7.78
B2380	0.90	85.5	23.7	12.9		187.8		51.9		68.2		0.47		8.38		112.6		154.0		18.0		359.7	7.74
B2386	0.40	99.7	20.5	11.7		206.3		63.4		47.1		0.68		0.30		99.5		169.2		18.3		360.7	7.84
B2563	0.30	120.8	12.5	2.93		189.8		55.9		67.4		0.64		0.30		43.2		155.6		17.3		368.6	7.73
B2610	0.30	118.7	14.1	5.86		246.8		38.0		58.1		0.69		0.30		59.3		202.4		18.1		373.0	7.73
B2660	1.40	63.2	43.9	25.4		273.8		41.2		62.2		0.21		6.00		214.1		224.5		24.2		398.9	7.78
B2394	0.50	97.2	20.5	23.4		300.8		16.5		74.4		0.69		1.26		147.8		246.7		20.9		401.0	7.80
B2665	0.40	114.8	23.7	9.28		273.8		46.6		56.7		0.64		0.30		97.5		224.5		20.1		404.4	7.72
B2564	0.30	147.1	15.7	4.88		187.8		52.6		141.1		0.61		0.30		59.3		154.0		14.7		467.5	8.02
B2599	0.80	68.9	47.5	42.2		381.8		32.9		66.5		0.39		22.82		292.5		313.1		25.7		492.7	7.95
B2384	2.30	105.7	34.6	35.6		423.5		47.6		51.9		0.49		1.22		233.2		347.3		21.8		508.0	7.35
B2389	0.30	144.8	26.6	20.5		308.1		63.4		122.9		0.96		0.30		150.8		252.7		18.3		547.6	7.81
B2486	0.60	151.0	36.6	29.8		303.0		77.7		172.6		0.92		3.11		214.1		248.4		18.4		638.0	7.41
B2398	0.40	135.6	51.9	40.5		408.8		94.5		119.0		0.40		0.30		296.5		335.2		22.3		663.9	7.51
B2662	0.50	95.5	84.1	54.7		470.2		128.2		65.8		0.81		2.90		435.2		385.6		23.9		686.0	7.16
B2383	7.50	139.2	43.1	40.8		241.7		87.0		245.7		0.42		1.88		275.4		198.2		20.6		702.2	7.58
B2382	0.40	91.2	107.0	77.9		570.9		145.0		111.7		0.85		0.30		588.0		468.1		24.6		838.4	7.10
B2415	0.50	160.3	56.6	66.9		362.1		155.7		213.9		0.58		1.50		417.0		296.9		21.8		853.8	7.87
B0482	0.60	119.4	107.4	57.2		489.8		91.7		222.9		1.06		0.56		504.0		401.7		21.7		862.6	7.23
B2481	0.20	286.9	14.1	19.5		399.6		99.9		231.3		2.38		0.30		115.6		327.7		14.7		865.4	8.04
B2654	0.50	150.2	55.1	83.5		681.4		73.8		121.6		0.73		21.08		481.5		558.7		26.3		867.4	7.12
B2487	0.30	273.7	25.4	22.9		397.3		133.6		213.5		1.37		0.30		157.8		325.8		16.6		882.1	7.46
B2390	0.30	106.4	131.6	68.4		621.3		142.9		126.9		1.15		0.30		610.1		509.5		22.0		905.1	7.26
B2395	0.80	181.2	57.5	73.7		676.4		82.4		139.8		1.00		16.43		447.3		554.7		23.6		909.3	7.55
B2392	0.40	204.5	56.7	57.1	472.7		109.9		245.6		1.45		0.30		376.9		387.7		20.1		927.6		7.48
B2381	0.50	148.2	93.0	89.3	607.1		146.5		169.7		1.09		34.13		600.0		497.9		21.8		1002.7		7.28
B2656	0.70	107.0	134.0	99.1	779.6		84.5		188.6		0.72		21.27		742.8		639.3		27.7		1047.0		7.02
B0480	0.50	244.6	51.9	68.1	465.3		133.6		348.4		1.00		0.30		410.1		381.6		17.7		1094.3		7.55

项目	K⁺	Na⁺	Ca²⁺	Mg²⁺	HCO₃^-	Cl^-	SO₄^2-
极小值	0.20	60.1	2.01	0.49	77.3	7.16	26.4
极大值	7.50	286.9	134.0	99.1	779.5	155.7	348.4
平均值	0.96	118.9	36.4	28.3	323.4	61.4	98.8
标准差	1.42	51.5	33.8	28.4	165.0	42.9	78.8
变异系数CV/%	148.7	43.3	92.8	100.4	51.0	70.0	79.7
项目	F^-	NO₃^-	总硬度	总碱度	偏硅酸	TDS	pH
极小值	0.20	0.30	7.03	168.1	14.7	241.1	7.02
极大值	2.38	34.1	742.8	639.3	27.7	1094.3	8.43
平均值	0.70	5.24	207.5	270.5	19.7	530.6	7.74
标准差	0.40	7.75	195.9	130.2	3.39	265.6	0.37
变异系数CV/%	58.1	147.9	94.5	48.2	17.2	50.1	4.8

项目	K⁺	Na⁺	Ca²⁺	Mg²⁺	HCO₃^-	Cl^-	SO₄^2-
极小值	0.20	60.1	2.01	0.49	77.3	7.16	26.4
极大值	7.50	286.9	134.0	99.1	779.5	155.7	348.4
平均值	0.96	118.9	36.4	28.3	323.4	61.4	98.8
标准差	1.42	51.5	33.8	28.4	165.0	42.9	78.8
变异系数CV/%	148.7	43.3	92.8	100.4	51.0	70.0	79.7
项目	F^-	NO₃^-	总硬度	总碱度	偏硅酸	TDS	pH
极小值	0.20	0.30	7.03	168.1	14.7	241.1	7.02
极大值	2.38	34.1	742.8	639.3	27.7	1094.3	8.43
平均值	0.70	5.24	207.5	270.5	19.7	530.6	7.74
标准差	0.40	7.75	195.9	130.2	3.39	265.6	0.37
变异系数CV/%	58.1	147.9	94.5	48.2	17.2	50.1	4.8