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Authors: Martin-Del Pozzo, A.L.*
Inguaggiato, S.*
Aceves, F.*
Saenz, H.*
Aguayo, A.*
Title: Spring water and CO2 interaction at Popocatépetl volcano, Mexico
Title of journal: Geofisica Internacional
Series/Report no.: 3/41(2002)
Publisher: Mexican Geophysical Union
Issue Date: 2002
Keywords: Manantiales
Abstract: Six years of monitoring HCO3- and pH at selected springs at Popocatepetl during the present eruptive period are presented. Small peaks in HCO3- concentration and PCO2 in springs are associated with small magmatic pulses at Popocatépetl volcano. The magma provides CO2-rich fluids into the water system controlled by meteoric recharge. The PCO2 in equilibrium with the springs is two to four orders of magnitude higher than air-saturated water. The high partial pressure of CO2 also suggests a direct interaction with the magmatic fluids. The isotopic signature of carbon as well, supports a magmatic origin for dissolved CO2.
Appears in Collections:05.02.01. Geochemical data
04.08.06. Volcano monitoring
Papers Published / Papers in press

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