The implication of tectonic structures compartment in the hydrochemical distribution in the Merapi unconfined aquifer system
by Herry Riswandi; Emi Sukiyah; Boy Yoseph C.S.S. Syah Alam; Mohamad Sapari Dwi Hadian
International Journal of Hydrology Science and Technology (IJHST), Vol. 12, No. 2, 2021

Abstract: This study focuses on the tectonic structures compartment. Furthermore, it controls the hydrochemical and piezometric groundwater distribution in the Merapi unconfined aquifer system. The investigation methods are proposing morphotectonic, statistical, and a hierarchical cluster of hydrochemical analysis. Thus, the methods are to characterise the multi-element of the structure's spatial pattern on the structural compartment. The aim is the cross-correlation of the hydrochemical population on the compartment. The morphotectonic studies showed structures lineament created by active tectonics, and it controls the groundwater flow system. The statistical analysis represents a relation between structure lineament controlling flow pattern and groundwater piezometric. It is related to the hydrochemical characteristics in the concentration of the ion analysis and the value of total dissolved solids. The analysis results are depicted on the digitised map for each compartment compared with the groundwater distribution flow and trends of piezometric. From there, the hydrogeochemical spatial distribution allowed us to characterise the unconfined aquifer system.

Online publication date: Thu, 29-Jul-2021

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