Environmental geological assessment of a solid waste disposal site: a case study in Sivas, Turkey


Yilmaz A., Atmaca E.

ENVIRONMENTAL GEOLOGY, vol.50, no.5, pp.677-689, 2006 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 50 Issue: 5
  • Publication Date: 2006
  • Doi Number: 10.1007/s00254-006-0241-1
  • Title of Journal : ENVIRONMENTAL GEOLOGY
  • Page Numbers: pp.677-689

Abstract

The selection of the disposal site is probably the most important step in the development of solid waste management. In site selection, geology plays a determining role. This study evaluates the characteristics of the environment on the basis of the geological, hydrogeological and geo-engineering properties of the solid waste site of the Sivas city, Turkey. The area is underlain by the Oligocene-Miocene rocks which have limited aquifer properties. Thin Quaternary alluvium and soil cover overlie the Oligo-Miocene rocks, which are represented as well graded sand and inorganic silt of low plasticity. The Quaternary alluvium and soil cover are classified as inorganic clays having a low plasticity and the permeability varies from 1.2x10(-6) to 3.11x10(-6) m/s. These values are much higher than 1x10(-8) m/s, which is accepted for waste disposal standards. Seepage waters have a potential to pollute the ground water and the Kizilirmak River, which is 500 m to the southwest of the waste disposal area and because the disposal site is close to the river, the potential for flash flooding poses a high pollution risk. The waste disposal area must be covered by clay layers or an impervious artificial membrane. In addition, seepage must be controlled and removed from the site.