Environmental Assessment of Urban Development and Landfill Location for Construction Waste in Yazd Metropolis

Authors

1 Assist. Prof., Dept., of Geology, Faculty of Science, Payame Noor University, Tehran, Iran

2 Assoc. Prof., Dept., of Geology, Faculty of Science, Payame Noor University, Tehran, Iran

3 M. Sc. (graduated), Dept., of Geology, Faculty of Science, Payame Noor University, Tehran, Iran

Abstract

With the rapid growth of urbanization, the massive production of construction and demolition waste has become a significant challenge to the sustainable development of cities. Landfilling, the most prevalent method of disposing of construction waste, remains widely used, despite ongoing efforts to promote the reuse and recycling of construction debris. The primary objective is to identify a location that minimizes environmental impacts on both the local area and its surrounding natural environment. Determining the optimal location for a sanitary-engineering landfill involves multiple stages, and the effective execution of each stage critically influences the overall outcome. This study focuses on four key criteria for selecting a landfill site: natural environmental conditions, geological and hydrogeological factors, economic considerations, and land-use patterns in the area. To optimize the management of time, cost, and the complex impacts associated with the project, Geographic Information Systems (GIS) were employed. In the case of Yazd, eight informational layers were gathered, and maps were digitized to facilitate optimal landfill site selection. After compiling and integrating the necessary data layers to identify suitable areas for construction waste disposal within the Yazd metropolitan area, the Analytic Hierarchy Process (AHP) was applied. Each data layer and its corresponding sub-layers were assigned weights, and restricted zones were excluded through the use of the privacy layer in the final map. Based on the final analysis, four areas were identified as highly suitable for landfill development. However, Zones 2 and 3 were excluded due to their location in the prevailing wind direction and the results of subsequent field visits. Ultimately, Areas 1 and 2 (the current landfill site) were determined to be the most suitable locations for optimal construction waste disposal in Yazd.

Keywords

References

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History

  • Receive Date: 15 October 2024
  • Accept Date: 04 February 2025

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