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An Analysis on the Characteristics and Influence Factors of Soil Salinity in the Wasteland of the Kashgar River Basin

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  • Sheng Li

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Li Lu

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Yuan Gao

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Yun Zhang

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Deyou Shen

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

Abstract

Clarifying the salt ion composition characteristics and the influence factors of soil salinization of the wasteland in the Kashgar River Basin is of high importance for saline land improvement and utilization in this region. We studied the characteristics and influence factors of soil salinity in the wasteland of the Kashgar River Basin through classical statistics, principal component analysis and grey relational theory. The results showed that the total salt content had a T-shaped distribution pattern in the soil profile. As the most important ions, Cl − , Na + , and SO 4 2− have the characteristics of vertical differentiation from top to bottom in the soil profile. Correlation analysis showed that the total salt content was negatively correlated to the HCO 3 − content and positively correlated to other salt ions, The most correlated anions were SO 4 2− and Cl − . Na + , the most important cation, had the closest relationship with Cl − , followed successively by SO 4 2− and HCO 3 − . Principal component analysis showed that SO 4 2− , total salt content, Na + , Cl − , Mg 2+ , and Ca 2+ could represent soil salinity status and salt ion composition, while HCO 3 − could represent soil alkalization status. The grey relational analysis indicated a differentiation in the intensity of influence of each factor on soil salinization at different depths. Except for groundwater burial depth and elevation, the relational degree between other influence factors and soil salt content decreased with depth. Our research findings offer important clues for understanding the soil salinity characteristics and influence factors of salinization in the wasteland of the Kashgar River Basin.

Suggested Citation

  • Sheng Li & Li Lu & Yuan Gao & Yun Zhang & Deyou Shen, 2022. "An Analysis on the Characteristics and Influence Factors of Soil Salinity in the Wasteland of the Kashgar River Basin," Sustainability, MDPI, vol. 14(6), pages 1-15, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:6:p:3500-:d:772676
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    References listed on IDEAS

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    1. Ali Rezaei & Hossein Hassani & Seyedeh Belgheys Fard Mousavi & Nima Jabbari, 2019. "Evaluation Of Heavy Metals Concentration In Jajarm Bauxite Deposit In Northeast Of Iran Using Environmental Pollution Indices," Malaysian Journal of Geosciences (MJG), Zibeline International Publishing, vol. 3(1), pages 12-20, January.
    2. Ali Rezaei & Hossein Hassani & Seyedeh Belgheys Fard Mousavi & Sara Hassani & Nima Jabbari, 2019. "Assessment of Heavy Metals Contamination in Surface Soils in Meiduk Copper Mine Area, Se Iran," Earth Sciences Malaysia (ESMY), Zibeline International Publishing, vol. 3(2), pages 01-08, October.
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    Cited by:

    1. Li Lu & Sheng Li & Rong Wu & Deyou Shen, 2022. "Study on the Scale Effect of Spatial Variation in Soil Salinity Based on Geostatistics: A Case Study of Yingdaya River Irrigation Area," Land, MDPI, vol. 11(10), pages 1-19, September.
    2. Yang Bai & Chengqian Sun & Li Wang & Yang Wu & Jiaman Qin & Xi Zhang, 2022. "The Characteristics of Net Anthropogenic Nitrogen and Phosphorus Inputs (NANI/NAPI) and TN/TP Export Fluxes in the Guangdong Section of the Pearl River (Zhujiang) Basin," Sustainability, MDPI, vol. 14(23), pages 1-16, December.
    3. Cristina Oana Stan & Radu Gabriel Pîrnău & Bogdan Roșca & Doina Smaranda Sirbu-Radasanu, 2022. "Risk of Salinization in the Agricultural Soils of Semi-Arid Regions: A Case Study from Moldavian Plain (NE Romania)," Sustainability, MDPI, vol. 14(24), pages 1-17, December.
    4. Xuemei Jiang & Yuwei Ma & Gang Li & Wei Huang & Hongyan Zhao & Guangming Cao & Aiqin Wang, 2022. "Spatial Distribution Characteristics of Soil Salt Ions in Tumushuke City, Xinjiang," Sustainability, MDPI, vol. 14(24), pages 1-11, December.

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