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http://hdl.handle.net/2122/585| Authors: | Martin-Del Pozzo, A.L.* Inguaggiato, S.* Aceves, F.* Saenz, H.* Aguayo, A.* |
Title: | Spring water and CO2 interaction at Popocatépetl volcano, Mexico | Journal: | Geofisica Internacional | Series/Report no.: | 3/41(2002) | Publisher: | Mexican Geophysical Union | Issue Date: | 2002 | URL: | http://serpiente.dgsca.unam.mx/serv_hem/revistas/fisica/pruebaf.html | Keywords: | Manantiales CO2 Popocatépetl |
Subject Classification: | 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring 05. General::05.02. Data dissemination::05.02.01. Geochemical data |
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: | Article published / in press |
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| Martin del Pozzo et al., Geofis. Internacional 2002 .pdf | Main article | 580.02 kB | Adobe PDF |
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