The Impact of Climate Change and Soil Classification on Benzene Concentration in Groundwater Due to Surface Spills of Hydraulic Fracturing Fluids

Dakheel Almaliki, Alaa Jasim and J. K. Bashir, Mohammed and Llamas Borrajo, Juan Francisco (2022). The Impact of Climate Change and Soil Classification on Benzene Concentration in Groundwater Due to Surface Spills of Hydraulic Fracturing Fluids. "Water", v. 14 (n. 8); pp. 1-12. ISSN 2073-4441. https://doi.org/10.3390/w14081202.

Description

Title: The Impact of Climate Change and Soil Classification on Benzene Concentration in Groundwater Due to Surface Spills of Hydraulic Fracturing Fluids
Author/s:
  • Dakheel Almaliki, Alaa Jasim
  • J. K. Bashir, Mohammed
  • Llamas Borrajo, Juan Francisco
Item Type: Article
Título de Revista/Publicación: Water
Date: 8 April 2022
ISSN: 2073-4441
Volume: 14
Subjects:
Freetext Keywords: groundwater contamination; hydraulic fracking; climate change; oil spillage; water aquifers
Faculty: E.T.S.I. de Minas y Energía (UPM)
Department: Energía y Combustibles
Creative Commons Licenses: Recognition - Non commercial

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Abstract

Hydraulic fracturing drilling technology can cause a high risk of surface spill accidents and thus water contamination. Climate change together with the high water demand and rapid increase in industrial and agricultural activities are valued reasons why we should all care about the availability of water resources and protect them from contamination. Hence, the purpose of this study is to estimate the risk associated with a site contaminated with benzene from oil spillage and its potential impact on groundwater. This study focused on investigating the impact of soil variability and water table depth on groundwater contamination. Temperature-dependent parameters, such as soil water content and the diffusion of pollutants, were considered as key input factors for the HYDRUS 1D numerical model to simulate benzene migration through three types of soil (loamy, sandy clay loam, and silt loam) and evaluate its concentration in the water aquifer. The results indicated that an anticipated increase in earth’s average surface temperature by 4 °C due to climate change could lead to a rise in the level of groundwater pollution in the study area by 0.017 mg/L in loamy soil, 0.00046 mg/L in sandy clay loam soil, and 0.00023 mg/L in silt loam soil. It was found that climate change can reduce the amount of benzene absorbed from 10 to 0.07% in loamy soil, 14 to 0.07% in sandy clay loam soil, and 60 to 53% in silt loam soil. The results showed that the soil properties and solute characteristics that depend on the temperature have a major and important role in determining the level of groundwater pollutants.

More information

Item ID: 72465
DC Identifier: https://oa.upm.es/72465/
OAI Identifier: oai:oa.upm.es:72465
DOI: 10.3390/w14081202
Official URL: https://www.mdpi.com/2073-4441/14/8/1202
Deposited by: PhD Alaa Jasim Dakheel Almaliki
Deposited on: 26 Jan 2023 06:59
Last Modified: 26 Jan 2023 07:16
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