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Information Journal Paper

Title

Investigating the Effect of Gold Mining on Land Cover Trend at pixel scale using a combination of remote sensing data and Mann-Kendall Test in Northwestern Iran, Case study: Andaryan region, East Azerbaijan

Pages

  165-181

Abstract

 The purpose of this study is to monitor the effects of exploration and melting service on vegetation in areas of Varzeqan city, including Andaryan. The heap leaching method is used to produce gold in these areas, it is more likely that the chemicals used in the melting services would spread in the environment or penetrate. Vegetation is one of the phenomena that is severely affected and reduced by environmental pollution, especially cyanide leakage and infiltration. Therefore, monitoring of vegetation trends may put an end to such concerns. Therefore, the study area is divided into three parts: Zone 1 (mined area), Zone 2 (pristine and untouched area), and Zone 3 (downstream of Zone 1). For this aim, Landsat 5 and 8 satellite data in the period 1984-2019 were used as time series and temperature and precipitation data of Varzeqan station in the period 1989-2017. Using Normalized Difference Vegetation Index (NDVI), vegetation density was driven as a pixel scale (a pixel = 900 m2), the non-parametric Mann-Kendall statistical test was applied to NDVI at 95 and 99% confidence levels. Then, the areas of a significant reduction were analyzed using a sequential Mann-Kendall Test to investigate the starting point of a significant decrease in all three areas. The results show that chemicals materials have not been returned into the environment and the climate controls land cove changes in the study area.

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    APA: Copy

    ANDARYANI, SOGHRA, & NOURANI, VAHID. (2020). Investigating the Effect of Gold Mining on Land Cover Trend at pixel scale using a combination of remote sensing data and Mann-Kendall Test in Northwestern Iran, Case study: Andaryan region, East Azerbaijan. HYDROGEOMORPHOLOGY, 6(24 ), 165-181. SID. https://sid.ir/paper/413339/en

    Vancouver: Copy

    ANDARYANI SOGHRA, NOURANI VAHID. Investigating the Effect of Gold Mining on Land Cover Trend at pixel scale using a combination of remote sensing data and Mann-Kendall Test in Northwestern Iran, Case study: Andaryan region, East Azerbaijan. HYDROGEOMORPHOLOGY[Internet]. 2020;6(24 ):165-181. Available from: https://sid.ir/paper/413339/en

    IEEE: Copy

    SOGHRA ANDARYANI, and VAHID NOURANI, “Investigating the Effect of Gold Mining on Land Cover Trend at pixel scale using a combination of remote sensing data and Mann-Kendall Test in Northwestern Iran, Case study: Andaryan region, East Azerbaijan,” HYDROGEOMORPHOLOGY, vol. 6, no. 24 , pp. 165–181, 2020, [Online]. Available: https://sid.ir/paper/413339/en

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