Variación de 13C en el ambiente de Madrid (atmósfera, aguas superficiales y aguas subterráneas)
DOI:
https://doi.org/10.3989/egeol.95513-4293Keywords:
<sup>13</sup>C, Tracer, Water and atmosphere Pollution, MadridAbstract
Stable isotopes of carbon are studied in atmosphere, freshwater (rivers) and groundwater of the region of Madrid. Sampling and analytical techniques are adapted for the isotopic study of carbon in the environment. The atmosphere samples show δ13C values from -13.92 to -15.67 ‰, closely related to the polution level of air. The water from wells, to the Tertiary detritic aquifer, with δ13C among -13.92 and -15.67 ‰. The dissolution of carbonatic rocks and the biologic activity could be the origin of the wide variations δ13C from -7.07 to -11.85 %0) found in the waters from rivers Jarama, Guadalix and Guadarrama.
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