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Boletín de Geología
versão impressa ISSN 0120-0283versão On-line ISSN 2145-8553
Resumo
GOMEZ-NINO, Helberth Iván. Analysis of piezometric levels and groundwater collection patterns in the Quaternary aquifer of Yopal, Casanare, Colombia. Bol. geol. [online]. 2020, vol.42, n.2, pp.89-103. Epub 28-Maio-2020. ISSN 0120-0283. https://doi.org/10.18273/revbol.v42n2-2020005.
The problem of water supply that has lived the city of Yopal, Casanare in the last eight years, has generated a marked increase in the demand of the underground water resources. This paper presents a general evaluation within the geological and hydrogeological framework of the captions present in the Quaternary aquifers of Yopal. The analysis was carried out taking into account fundamental aspects such as the consolidation of a database referring to an inventory of 1225 points of groundwater collection, and representative analysis of material that make up the quaternary deposits. The consolidation of the information has allowed to elaborate cartography referring to the demand of the underground hydric resource, and to determine underground flow conditions of the study area. The results obtained allowed to conclude that the geological characteristics of the study area favor the storage, circulation and capture of groundwater, which presents a predominant direction NW-SE. And it is determined that the alluvial deposit Qab, presents hydraulic connectivity with the Charte and Cravo Sur rivers.
Palavras-chave : Aquifer; Quaternary; Alluvial Fan; Plain or Alluvial Plain; Piezometric Level; Isopieces.