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Open AccessReview

The Fate of Chemical Pollutants with Soil Properties and Processes in the Climate Change Paradigm—A Review

1
Future Industries Institute, University of South Australia, Mawson Lakes, SA 5085, Australia
2
Cooperative Research Centre for Contamination Assessment and Remediation of the Environment, ACT Building, The University of Newcastle, Callaghan, NSW 2308, Australia
3
Global Centre for Environmental Remediation, the University of Newcastle, Callaghan, NSW 2308, Australia
4
Department of Ecological Studies and International Centre for Ecological Engineering, University of Kalyani, Kalyani, Nadia-741235, West Bengal, India
*
Author to whom correspondence should be addressed.
Soil Syst. 2018, 2(3), 51; https://doi.org/10.3390/soilsystems2030051
Received: 29 June 2018 / Revised: 27 August 2018 / Accepted: 28 August 2018 / Published: 1 September 2018
(This article belongs to the Special Issue Soil Processes Controlling Contaminant Dynamics)
Heavy metal(loid)s and organic contaminants are two major groups of pollutants in soils. The fate and exposure of such pollutants in soil depends on their chemical properties, speciation, and soil properties. Soil properties and processes that control the toxicological aspects of pollutants include temperature, moisture, organic matter, mineral fractions, and microbial activities. These processes are vulnerable to climate change associated with global warming, including increased incidences of extreme rainfall, extended dry periods, soil erosion, and a rise in sea level. Here we explain evidence that relates to the effects of climate change-driven soil processes on the mobility, transport, and storage of pollutants in soil. The review found that changes in climate could increase human exposure to soil contaminants mainly due to processes involving soil organic carbon (SOC), surface runoff, redox state, and microbial community. However, uncertainties remain in relation to the extent of contaminant toxicity to human health, which is linked to global change drivers. View Full-Text
Keywords: soil contaminants; soil process; climate changes; ecotoxicity of pollutants soil contaminants; soil process; climate changes; ecotoxicity of pollutants
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MDPI and ACS Style

Biswas, B.; Qi, F.; Biswas, J.K.; Wijayawardena, A.; Khan, M.A.I.; Naidu, R. The Fate of Chemical Pollutants with Soil Properties and Processes in the Climate Change Paradigm—A Review. Soil Syst. 2018, 2, 51.

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