Tridimensional spatial distribution of manganese in a river impacted by metallurgical activity and mining
Por:
Gutierrez-Ruiz, Margarita, Parrot, Jean-Francois, Ramirez-Nunez, Carolina, Perez-Manzanera, Leticia, Amaro-Ramirez, Daniel, Jardines-Mendoza, Lizbeth
Publicada:
1 ene 2021
Resumen:
A three-dimensional interpolation method based on a digital elevation
model (DEM) was developed to assess the impact of mining and
metallurgical activity on the Claro River (Hidalgo, Mexico). This method
was used to analyze the spatial concentration of manganese in sediments,
water, and fish (viscera and muscle). Input data correspond to chemical
manganese (Mn) analysis of the aforementioned environmental matrices,
mining discharge volumes, and rainfall data. The three-dimensional model
made it possible to (a) define Mn dispersion (19 km for sediments and 13
km for viscera); (b) identify northern meanders of the Claro River as
areas of Mn accumulation in sediments and fish; and (c) determine river
features that influence Mn concentration in fish. Results indicate that
Mn concentration increases in areas receiving industrial discharges, as
well as in meanders located near Acuimantla village. Total Mn levels in
the water are between < 0.01 and 6.57 mg/L, while soluble and colloidal
Mn concentrations range from < 0.01 to 0.49 mg/L. The highest Mn values
in the water (total Mn: 6.57 mg/L and soluble-colloidal Mn: 0.49 mg/L)
were detected in tributary rivers near industrial discharge sites. The
concentration in water compared with that in sediments (160-213,867
mg/kg) and fish (viscera: 5-5236 mg/kg and muscle: 10.7-398.8 mg/kg)
indicates low solubility of this mineral. The geoaccumulation index
(Igeo) and contamination factor (CF) show that sediment composition has
been affected.
Filiaciones:
Gutierrez-Ruiz, Margarita:
Univ Nacl Autonoma Mexico, Environm Biogeochem Lab, Fac Quim, Sch Chem, Ciudad Univ,Circuito Invest Cient S-N, Mexico City 04510, DF, Mexico
Parrot, Jean-Francois:
Univ Nacl Autonoma Mexico, Inst Geog, Lab Anal Geoespacial, Ciudad Univ,Circuito Invest Cient S-N, Mexico City 04510, DF, Mexico
Ramirez-Nunez, Carolina:
Univ Nacl Autonoma Mexico, Inst Geog, Ciudad Univ,Circuito Invest Cient S-N, Mexico City 04510, DF, Mexico
Perez-Manzanera, Leticia:
Univ Nacl Autonoma Mexico, Environm Biogeochem Lab, Fac Quim, Sch Chem, Ciudad Univ,Circuito Invest Cient S-N, Mexico City 04510, DF, Mexico
Amaro-Ramirez, Daniel:
Univ Nacl Autonoma Mexico, Environm Biogeochem Lab, Fac Quim, Sch Chem, Ciudad Univ,Circuito Invest Cient S-N, Mexico City 04510, DF, Mexico
Jardines-Mendoza, Lizbeth:
Univ Nacl Autonoma Mexico, Environm Biogeochem Lab, Fac Quim, Sch Chem, Ciudad Univ,Circuito Invest Cient S-N, Mexico City 04510, DF, Mexico
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