Heavy metals in the volcanic and peri-urban terrain watershed of the River Yautepec, Mexico

Silvia Viridiana Vargas-Solano, Francisco Rodríguez-González, Martha Lucia Arenas-Ocampo, Rita Martínez-Velarde, S. B. Sujitha, M. P. Jonathan

Research output: Contribution to journalArticle

Abstract

© 2019, Springer Nature Switzerland AG. Thirty-four water samples were collected all along the course of River Yautepec, Morelos State, Central Mexico, in three different zones based on the physical and anthropogenic setting. In situ measurements of physical characteristics (temperature, pH, conductivity, and turbidity) were also performed at each sampling station. Likewise, total/dissolved metal concentrations (Fe, Mn, Cr, Cu, Ni, Pb, Zn, Cd, As, and Pb) were determined using an atomic absorption spectrophotometer. Located in a peri-urban and volcanic zone of Central Mexico, the river system presented impacts of both natural and anthropogenic activities. Results revealed differences in pH values (6.7–8.23) in all the three zones probably due to the influences of volcanic ash and local geological formations, whereas conductivity levels (635–1098 μs/cm) were high indicating the effect of agricultural and industrial activities. The relative order of the concentrations of metals in both the total and dissolved fractions was observed to be in the following order: zone I, Fe > Zn > Mn > Cu > Pb > Ni > Cr > As > Cd > Hg; zone II, Fe > Zn > Pb > Ni > Mn > Cu > Cr > Cd > As > Hg; zone III, Fe > Pb > Zn > Mn > Ni > Cu > As > Cd > Cr > Hg. Calculated heavy metal evaluation index (HEI) values indicated less contamination. However, concentrations of Fe and Pb were observed to be higher than the permissible limits set forth by the Mexican government for human consumption. Henceforth, the prerequisite for maintaining and improving the health of a river system depends on continuous long-term monitoring of the dynamic ecosystem for sustainable management.
Original languageAmerican English
JournalEnvironmental Monitoring and Assessment
DOIs
StatePublished - 1 Mar 2019

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Watersheds
Heavy metals
Rivers
heavy metal
watershed
Ashes
river
Spectrophotometers
Turbidity
Metals
Ecosystems
river system
Contamination
conductivity
Health
Sampling
ecosystem dynamics
Monitoring
metal
volcanic ash

Cite this

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title = "Heavy metals in the volcanic and peri-urban terrain watershed of the River Yautepec, Mexico",
abstract = "{\circledC} 2019, Springer Nature Switzerland AG. Thirty-four water samples were collected all along the course of River Yautepec, Morelos State, Central Mexico, in three different zones based on the physical and anthropogenic setting. In situ measurements of physical characteristics (temperature, pH, conductivity, and turbidity) were also performed at each sampling station. Likewise, total/dissolved metal concentrations (Fe, Mn, Cr, Cu, Ni, Pb, Zn, Cd, As, and Pb) were determined using an atomic absorption spectrophotometer. Located in a peri-urban and volcanic zone of Central Mexico, the river system presented impacts of both natural and anthropogenic activities. Results revealed differences in pH values (6.7–8.23) in all the three zones probably due to the influences of volcanic ash and local geological formations, whereas conductivity levels (635–1098 μs/cm) were high indicating the effect of agricultural and industrial activities. The relative order of the concentrations of metals in both the total and dissolved fractions was observed to be in the following order: zone I, Fe > Zn > Mn > Cu > Pb > Ni > Cr > As > Cd > Hg; zone II, Fe > Zn > Pb > Ni > Mn > Cu > Cr > Cd > As > Hg; zone III, Fe > Pb > Zn > Mn > Ni > Cu > As > Cd > Cr > Hg. Calculated heavy metal evaluation index (HEI) values indicated less contamination. However, concentrations of Fe and Pb were observed to be higher than the permissible limits set forth by the Mexican government for human consumption. Henceforth, the prerequisite for maintaining and improving the health of a river system depends on continuous long-term monitoring of the dynamic ecosystem for sustainable management.",
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Heavy metals in the volcanic and peri-urban terrain watershed of the River Yautepec, Mexico. / Vargas-Solano, Silvia Viridiana; Rodríguez-González, Francisco; Arenas-Ocampo, Martha Lucia; Martínez-Velarde, Rita; Sujitha, S. B.; Jonathan, M. P.

In: Environmental Monitoring and Assessment, 01.03.2019.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Heavy metals in the volcanic and peri-urban terrain watershed of the River Yautepec, Mexico

AU - Vargas-Solano, Silvia Viridiana

AU - Rodríguez-González, Francisco

AU - Arenas-Ocampo, Martha Lucia

AU - Martínez-Velarde, Rita

AU - Sujitha, S. B.

AU - Jonathan, M. P.

PY - 2019/3/1

Y1 - 2019/3/1

N2 - © 2019, Springer Nature Switzerland AG. Thirty-four water samples were collected all along the course of River Yautepec, Morelos State, Central Mexico, in three different zones based on the physical and anthropogenic setting. In situ measurements of physical characteristics (temperature, pH, conductivity, and turbidity) were also performed at each sampling station. Likewise, total/dissolved metal concentrations (Fe, Mn, Cr, Cu, Ni, Pb, Zn, Cd, As, and Pb) were determined using an atomic absorption spectrophotometer. Located in a peri-urban and volcanic zone of Central Mexico, the river system presented impacts of both natural and anthropogenic activities. Results revealed differences in pH values (6.7–8.23) in all the three zones probably due to the influences of volcanic ash and local geological formations, whereas conductivity levels (635–1098 μs/cm) were high indicating the effect of agricultural and industrial activities. The relative order of the concentrations of metals in both the total and dissolved fractions was observed to be in the following order: zone I, Fe > Zn > Mn > Cu > Pb > Ni > Cr > As > Cd > Hg; zone II, Fe > Zn > Pb > Ni > Mn > Cu > Cr > Cd > As > Hg; zone III, Fe > Pb > Zn > Mn > Ni > Cu > As > Cd > Cr > Hg. Calculated heavy metal evaluation index (HEI) values indicated less contamination. However, concentrations of Fe and Pb were observed to be higher than the permissible limits set forth by the Mexican government for human consumption. Henceforth, the prerequisite for maintaining and improving the health of a river system depends on continuous long-term monitoring of the dynamic ecosystem for sustainable management.

AB - © 2019, Springer Nature Switzerland AG. Thirty-four water samples were collected all along the course of River Yautepec, Morelos State, Central Mexico, in three different zones based on the physical and anthropogenic setting. In situ measurements of physical characteristics (temperature, pH, conductivity, and turbidity) were also performed at each sampling station. Likewise, total/dissolved metal concentrations (Fe, Mn, Cr, Cu, Ni, Pb, Zn, Cd, As, and Pb) were determined using an atomic absorption spectrophotometer. Located in a peri-urban and volcanic zone of Central Mexico, the river system presented impacts of both natural and anthropogenic activities. Results revealed differences in pH values (6.7–8.23) in all the three zones probably due to the influences of volcanic ash and local geological formations, whereas conductivity levels (635–1098 μs/cm) were high indicating the effect of agricultural and industrial activities. The relative order of the concentrations of metals in both the total and dissolved fractions was observed to be in the following order: zone I, Fe > Zn > Mn > Cu > Pb > Ni > Cr > As > Cd > Hg; zone II, Fe > Zn > Pb > Ni > Mn > Cu > Cr > Cd > As > Hg; zone III, Fe > Pb > Zn > Mn > Ni > Cu > As > Cd > Cr > Hg. Calculated heavy metal evaluation index (HEI) values indicated less contamination. However, concentrations of Fe and Pb were observed to be higher than the permissible limits set forth by the Mexican government for human consumption. Henceforth, the prerequisite for maintaining and improving the health of a river system depends on continuous long-term monitoring of the dynamic ecosystem for sustainable management.

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