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Investigation of land use changes in rural areas using MCDM and CA-Markov chain and their effects on water quality and soil fertility in south of Iran

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Abstract

The purpose of the study is to predict drought changes in Dariun, Fars Province, and their impact on water and soil quality. To prepare drought, water, and soil quality zoning maps, Landsat satellite images and the kriging method were used. The fuzzy maps and weights for each parameter were then determined using fuzzy and analytic hierarchy process (AHP) methods. Additionally, cellular automata (CA)-Markov chains were used in order to predict the impact of drought changes on water and soil quality. Using the fuzzy-AHP method, water quality and soil fertility in 2020 were lower compared to previous years, mainly because of land use changes that increased pollution. Based on results of the Markov and CA-Markov chains, approximately 31% of the region will have very poor levels of soil fertility and water quality in 2050. Further, based on remote sensing indicators, it is determined that about 25% of the region will be at high risk of drought in 2050. Thus, if adequate management of the region is not done, the possibility of living in these areas may diminish in the coming years due to drought and deteriorated water and soil quality.

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Acknowledgements

This research would not have been possible without the financial support of Shiraz University.

Funding

Shiraz University provided financial support (grant number: 240001-118) for this study.

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The data used in this research are available by the corresponding author upon reasonable request.

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The participation of Saeed Reza Akbarian Ronizi, Saeed Negahban, and Marzieh Mokarram includes the data collection, analyzing the results, and writing the article.

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Correspondence to Marzieh Mokarram.

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The authors declare no competing interests.

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Responsible Editor: Gangrong Shi

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Ronizi, S.R.A., Negahban, S. & Mokarram, M. Investigation of land use changes in rural areas using MCDM and CA-Markov chain and their effects on water quality and soil fertility in south of Iran. Environ Sci Pollut Res 29, 88644–88662 (2022). https://doi.org/10.1007/s11356-022-21951-y

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  • DOI: https://doi.org/10.1007/s11356-022-21951-y

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