Cluster analysis and geochemical processes for the characterization of the aquifer system in Maracanã/São Luis/MA

Almeida, João Batista; Barros, João Filomeno; Mesquita, Bruno Alves de; Silva, Carla Maria Salgado Vidal; Mendes Filho, Josué; Frischkorn, Horst; Santiago, Maria Marlúcia Freitas

doi:10.1590/2318-0331.011615182

João Batista Almeida

Instituto Federal do Maranhão, São Luís, MA, Brazil

João Filomeno Barros

Instituto Federal do Maranhão, São Luís, MA, Brazil

Bruno Alves de Mesquita

Universidade Federal do Ceará, Fortaleza, CE, Brazil

Carla Maria Salgado Vidal Silva

Universidade Federal do Ceará, Fortaleza, CE, Brazil

Josué Mendes Filho

Universidade Federal do Ceará, Fortaleza, CE, Brazil

Horst Frischkorn

Universidade Federal do Ceará, Fortaleza, CE, Brazil

Maria Marlúcia Freitas Santiago

Universidade Federal do Ceará, Fortaleza, CE, Brazil

E-mails: bvapalmeida@yahoo.com.br (JBA), rennan.barros@hotmail.com (JFB), bruno.mesquita@fisica.ufc.br (BAM), carla@fisica.ufc.br (CMSVS), josue@fisica.ufc.br (JMF), cariri@ufc.br (HF), marlucia@fisica.ufc.br (MMFS)

João Batista Almeida: contributed with the field research , sampling area, periodic sampling of wells, research planning, writing and revising of the article.

João Filomeno Barros: contributed to the collection of rock testimony, locomotion of wells samples and rocks analysis in Fortaleza, helped in measurements of X-rays.

Bruno Alves de Mesquita: contributed to the analysis and data processing , charts buildings, diagrams and dendrograms, literature, formatting and revising the article.

Carla Maria Salgado Vidal Silva: contributed to the fulfillment of physico-chemical analysis of samples,revision of the article.

Josué Mendes Filho: contributed to the realization of the analysis of rocks x-rays, model planning, involving rock-pit interaction.

Horst Frischkorn: co-advisor, contributed to the research planning, literature review, revision of the article.

Maria Marlúcia Freitas Santiago: advisor, contributed to the article design, in the bibliographical research, data analysis, writing and revising the article.

Well	Ca²⁺	Mg²⁺	Na⁺	K⁺	Cl^-	HCO₃^-	SO₄^2-	NO₃^-	Fe	P		EC
	(mg/L)											(µS/cm)
Dec/2011
P1	1.44	0.87	8.37	2.41	18.2	7.24	0.09	2.20	0.09	0.02		64
P2	0.84	0.51	3.18	1.20	5.6	8.56	0.17	0.30	0.07	0.01		30
P3	28.0	17.00	20.20	3.61	28.6	82.80	4.52	0.80	< LQ	0.12		310
P4	3.80	2.31	15.90	2.41	30.4	9.99	0.09	2.70	< LQ	0.06		101
P5	1.96	1.19	5.39	1.20	9.95	8.05	0.01	1.90	0.09	0.04		46
P6	1.40	0.85	6.39	2.41	11.4	9.07	0.09	1.90	0.05	0.02		50
P7	3.40	2.06	11.8	3.61	29.2	7.03	0.09	1.20	0.72	0.09		101
P8	1.56	0.95	6.08	2.41	14.0	7.54	0.09	2.20	0.77	0.04		52
P9	2.08	1.26	11.80	3.61	27.0	6.52	0.09	4.30	0.52	0.06		100
P10	27.20	16.5	59.20	7.21	138	10.30	0.09	18.40	0.22	0.09		400
P11	9.96	6.04	32.30	2.41	70.3	10.90	0.01	5.00	0.07	0.38		230
P12	8.10	0.97	48.40	2.41	70.9	35.30	0.17	7.70	0.32	0.75		297
P13	4.72	2.86	11.80	3.61	33.3	7.65	0.09	0.70	0.30	0.02		117
P14	1.36	0.83	5.08	2.41	11.4	10.40	0.17	0.40	0.54	0.00		50
Feb/2012
P1	3.48	0.45	8.37	2.41	18.65	8.5	0.09	3.2	0.07	0.11	67
P2	1.32	0.17	33.16	0.1	5.1	7.2	0.09	0.5	0.04	0.03	26
P3	20.04	1.91	53.16	4.81	42.3	99.9	3.86	0.7	0.03	0.1	377
P4	3.96	0.26	15.92	2.41	32.05	8.6	0.09	3.6	0.05	0.06	105
P5	2.24	0.26	8.08	1.2	10.65	9.0	0.09	0.6	0.04	0.04	52
P6	2.24	0.27	6.39	2.41	14.15	10	0.01	<LQ	0.05	0.03	56
P7	3.1	0.42	18.22	3.61	36.55	17.8	0.09	3.9	0.35	0.08	107
P8	1.43	0.18	6.73	2.41	14.9	7.5	0.52	2.0	0.48	0.04	55
P9	3.12	0.39	14.07	3.61	31.3	7.9	0.09	3.2	0.28	0.04	96
P10	24.28	0.96	33.16	3.62	92.15	12.3	0.09	9.9	0.1	0.04	278
P11	5.2	0.8	35.5	3.2	71.2	7.5	0.01	8.5	0.06	0.18	210
P12	15.3	0.06	45.66	2.41	89.25	10.8	0.17	7.7	0.27	0.24	282
P13	4.0	1.26	10.75	3.61	28.3	7.7	0.17	2.8	0.2	0.03	126
P14	1.68	0.24	5.04	3.61	8.75	7.1	5.19	0.5	0.18	0.01	39
Apr/2012
P1	1.20	1.01	7.23	2.41	14.1	9.42	0.78	0.5	0.10	0.01		59
P2	0.38	0.99	2.62	1.21	3.8	5.51	0.78	0.4	< LQ	0.01		22
P3	24.50	4.09	55.3	4.81	90.7	41.2	4.71	0.4	< LQ	0.06		339
P4	4.20	0.83	13.00	2.41	31.2	9.80	0.35	0.1	< LQ	0.01		102
P5	1.44	0.97	6.84	2.41	13.9	9.06	0.01	0.4	< LQ	0.03		57
P6	1.04	1.32	5.84	2.61	15.3	7.10	0.01	0.4	< LQ	0.01		52
P7	1.92	1.24	12.6	3.61	32.2	8.30	0.01	0.4	0.10	0.01		96
P8	1.64	0.96	7.01	2.61	10.8	10.40	0.01	0.5	0.10	0.02		53
P9	2.88	0.71	12.50	2.41	26.5	8.50	0.01	0.4	< LQ	0.01		87
P10	8.08	1.97	34.30	2.21	44.8	82.30	0.01	0.4	0.02	0.01		288
P11	4.00	1.50	36.20	3.70	23.0	8.00	0.09	0.4	0.05	0.03		206
P12	1.60	1.20	45.40	2.41	21.0	7.90	0.17	0.4	0.07	0.02		200
P13	6.00	0.90	21.30	3.61	35.1	10.40	0.01	0.0	0.05	0.01		130
P14	0.72	0.56	5.62	0.61	5.8	7.55	5.19	0.7	0.05	0.01		33
Jul/2012
P1	2.84	0.27	9.36	2.41	14.5	5.8	0.09	3.1	0.06	0.09		57
P2	1.12	0.12	2.21	0.41	5.8	2.8	0.52	0.5	0.06	0.03		20
P4	3.12	0.11	15.97	2.41	32.35	10.8	0.17	3.6	0.03	0.07		101
P5	1.71	0.12	6.84	2.41	11.95	8.3	0.54	1.7	0.08	0.04		51
P6	1.71	0.16	7.23	2.41	12.25	9.2	0.17	2.0	0.02	0.01		55
P7	2.15	0.1	14.29	2.41	29.4	7.0	0.52	2.9	0.24	0.01		93
P8	1.53	0.12	6.61	2.41	13.3	7.1	0.07	1.6	0.05	0.01		49
P9	1.4	0.32	12.72	3.62	25.55	6.1	0.09	3.7	0.06	0.01		80
P10	7.9	0.99	47.46	2.41	86.7	16	0.09	6.9	0.11	0.04		260
P11	1.2	0.09	47.38	3.25	69.35	40.2	0.05	5.6	0.04	22		223
P12	14.6	2.43	51.91	3.62	82.1	54.3	0.15	4.4	0.28	0.01		318
P13	4.84	1.29	19.95	3.62	45.3	7.8	0.09	5.5	0.04	0.02		130
P14	1.2	0.5	6.01	2.41	8.95	6.2	4.71	0.8	0.15	0.01		41

Wells	Coordinates - UTM (m)	A (m)	D (m)
P1	580766.42 E/9711690.84 S	29	85
P2	580492.00 E/ 9712568.88 S	13	35
P3	581288.08 E/ 9711312.86 S	44	110
P4	581489.03 E/ 9711711.92 S	47	52
P5	580464.00 E/ 9712701.00 S	17	40
P6	581661.74 E/ 9711861.66 S	38	45
P7	581637.29 E/ 9711769.93 S	41	45
P8	581692.90 E/ 9711809.11 S	34	42
P9	581627.95 E/ 9711637.93 S	38	40
P10	581627.84 E/ 9711443.93 S	39	38
P11	582377.42 E/ 9711103.42 S	47	47
P12	582966.22 E/ 9710952.31 S	51	52
P13	581821.71 E/ 9711874.47 S	43	48
P14	581794.19 E/ 9711809.39 S	31	45

[1] E-mails: bvapalmeida@yahoo.com.br (JBA), rennan.barros@hotmail.com (JFB), bruno.mesquita@fisica.ufc.br (BAM), carla@fisica.ufc.br (CMSVS), josue@fisica.ufc.br (JMF), cariri@ufc.br (HF), marlucia@fisica.ufc.br (MMFS)

Brasil

Brasil

Cluster analysis and geochemical processes for the characterization of the aquifer system in Maracanã/São Luis/MA

Análise de agrupamentos e processos geoquímicos para caracterização do sistema aqüífero no Maracanã/São Luís/MA

ABSTRACT