期刊
TECNOLOGIA Y CIENCIAS DEL AGUA
卷 13, 期 3, 页码 142-168出版社
INST MEXICANO TECHNOLOGIAAGUA
DOI: 10.24850/j-tyca-2022-03-04
关键词
Hydrogeology; resistivity; aquifer; uncertainty; Interserrana; random forest
This paper presents a geoelectric exploration in the southwest sector of the Interserrana Basin in Buenos Aires, Argentina. Through the use of inversion and interpolation techniques, a depth section of the resistive hydrogeological basement was obtained. The study also included an uncertainty analysis and a geological interpretation of the results.
This paper shows a geoelectric exploration of the southwest sector of the Interserrana Basin, Province of Buenos Aires, Argentina. Due to the relative scarcity of regional studies carried out in the zone, a more detailed understanding of its geological structures and aquifers makes an important contribution to addressing environmental and productivity challenges. The objective is to obtain a depth section of the resistive hydrogeological basement. To meet our objective, we developed a model consisting of the 1D inversion of 49 Schlumberger VES, distributed uniformly along a 139 km route. The inversion process was performed with specific software which implements Zohdy's algorithm (Zohdy, 1989) for the solution of direct and inverse problems. The transition from the 49 one-dimensional inverted profiles to a continuous section was carried out using a machine learning interpolation technique. An uncertainty analysis is also presented, which revealed a correspondence between this feature and the depth obtained for the resistive basement. This trend allowed us to establish a reliability criterion at each true basement-depth value. Finally, we offer a geological interpretation of our results and their correspondence with previous geological research.
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