Abstract
AbstractHyderabad, the capital city of Telangana State, India, in which Greater Hyderabad Municipal Corporation (GHMC), is the extended municipal limits of Hyderabad. Presently, GHMC (India) is experiencing fast urbanization characterized by population growth, infrastructural development, industrialization, and motorization, leading to environmental degradation, causing human health at risk. Globally, environmental degradation causes great concern in the recent past due to many factors like industrial and vehicular traffic in major metropolitan cities. Presently, magnetic measurements and extensive metal analysis are used as proxies to illustrate environmental changes in the GHMC (India) area. In this study, 476 dust samples are collected along the 11 significant roads of GHMC (India) in the summer season of the year 2014 (SD-14), and magnetic measurements like susceptibility (χ), ARM susceptibility (χARM), saturation isothermal remanent magnetization (SIRM), SOFT[{(SIRM-IRM-20mT)/2}/mass] are evaluated in the laboratory. The results reveal the concentration of the ferrimagnetic minerals, due to the variety of the anthropogenic activities. These ferrimagnetic minerals in dust samples contain heavy metals whose concentration significantly increased due to heavy traffic congestion and industrialization. In the process, the results contain the most significant property of magnetic minerals with magnetite and hematite in different grain sizes and domain that are studied using King plot and Dearing plot of the dust samples, respectively.KeywordsEnvironmental magnetismUrbanizationTrafficRoad dust
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