Assessment of geo-environmental problems of the Zonguldak province (NW Turkey) |
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Authors: | D Turer H A Nefeslioglu K Zorlu C Gokceoglu |
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Institution: | (1) Department of Geological Engineering, Applied Geology Division, Hacettepe University, Beytepe, 06532 Ankara, Turkey;(2) Department of Geological Research, General Directorate of Mineral Research and Exploration, 06520 Ankara, Turkey;(3) Department of Geological Engineering, Applied Geology Division, Mersin University, Ciftlikkoy, 33342 Mersin, Turkey |
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Abstract: | The Zonguldak province is a coastal settlement area that has been suffering from serious natural and human-induced environmental
problems sourced by its geology and geomorphology. Since the province locates at the heart of a coal-producing basin, the
geo-environmental problems related to mining activities such as esthetic degradation, disposal of mining wastes and subsidence
of the abandoned coal galleries are badly affecting every day life in Zonguldak province. Disposal of municipal wastes is
also a big problem since only one municipality out of 32 has a sanitary disposal area. The rest of the municipalities dispose
their solid wastes to rivers or to the sea. The province has also some health problems, which are pointed out in the literature,
related to coal mining and geologic environment. These are cytogenetic damage in peripheral lymphocytes and pheumoconiosis
(most commonly seen at coal workers), goiter and cancer. Landslides are the most important hazards in the area since 13% of
the total surface of the Zonguldak is affected by landslides. In this study, considering the hazard potential special attention
is given to deep landslides and using the stepwise forward conditional logistic regression technique, the landslide susceptibility
map for the Zonguldak province is produced. The results showed that the most important independent variables governing the
landslides are slope gradient, volcanic, and sedimentary rocks of Eocene and clastic and carbonate units of Cretaceous. The
landslide map is used as a base map for the production of geo-hazard reconnaissance map on which areas subjected to other
important geo-hazards (flood, earthquake and subsidence) are also shown to provide guidance for both existing settlement areas
to take the necessary preventive measures and for new developing settlement areas to avoid the problematic areas. |
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Keywords: | Zonguldak (Turkey) Landslide Geo-environmental problems Flood Coal mining |
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