Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Multiple Groundwater Parameters and Environmental Changes using Geospatial Techniques in the Permian Basin, Texas

Version 1 : Received: 8 April 2020 / Approved: 9 April 2020 / Online: 9 April 2020 (05:50:27 CEST)

How to cite: Nelson, R.; Heo, J. Multiple Groundwater Parameters and Environmental Changes using Geospatial Techniques in the Permian Basin, Texas. Preprints 2020, 2020040136 (doi: 10.20944/preprints202004.0136.v1). Nelson, R.; Heo, J. Multiple Groundwater Parameters and Environmental Changes using Geospatial Techniques in the Permian Basin, Texas. Preprints 2020, 2020040136 (doi: 10.20944/preprints202004.0136.v1).

Abstract

This study evaluates spatial analyses of groundwater quality and environmental changes to obtain information on the groundwater contamination in the Permian Basin, Texas. Coupled with the U.S. government’s open data, these analyses can identify regions where environmental change could have potentially effected groundwater quality. A total of thirty-six wells were selected within the six counties: Andrews, Martin, Ector, Midland, Crane, and Upton. Spatial distribution maps were created for six different parameters: pH, total dissolved solids (TDS), chloride, fluoride, nitrate, and arsenic. Total groundwater quality maps incorporate all the contaminants and denote regions of poor, medium, and optimum conditions. To identify spatial changes in groundwater quality, maps were separated into two different time intervals, 1992-2005 and 2006-2019. We found that groundwater contamination resulted primarily from the mobilization of the contaminant from natural sources or anthropogenic activities such as chemical fertilizers. Overall, groundwater quality decreased during the study period from 1992 to 2019 as population and urban growth began to develop in the Permian Basin. This study contributes on understanding of the response of groundwater quality associated with environmental change in the Permian Basin. Therefore, this research provides important information for groundwater managements in developing plans for the use of water resource in the future for Texas.

Subject Areas

groundwater quality; environmental change; Permian Basin; Texas

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