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Copyright of Journal of Natural Hazards & Environment (JNHE) / Doğal Afetler ve Çevre Dergisi (DACD) is the property of Artvin Coruh University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Landslides can lead to catastrophic consequences, endanger human lives, and result in significant economic losses amounting to billions of dollars. Therefore, it is crucial to accurately map areas prone to landslides to minimize the risks associated with them. The current study produces the landslide susceptibility map (LSM) of the Merkez and Ovacık districts of Karabük province in the Western Black Sea Region of Türkiye using fuzzy inference system (FIS) and frequency ratio (FR) method. Landslides that cause loss of life and property occur frequently in the mentioned districts and therefore the districts have been exposed to landslide-induced disasters from past to present. In the susceptibility evaluations, the variables of lithology, slope, elevation, distance to fault lines, aspect, land-use and distance to the road were used as predisposing factors for landslides. The produced landslide susceptibility maps were determined as four classes, namely low, moderate, high and very high. In the final evaluation, when compared with the landslide inventory map, the natural breaks classification method was used to generate landslide susceptibility maps. It is observed that the fuzzy inference system method achieved an accuracy rate of 80.07% for the combination of very high and high susceptibility levels, while the frequency ratio method achieved an accuracy rate of 82.58%. According to the obtained results, it has been determined that the frequency ratio method yields more realistic results compared to the fuzzy inference system method. [ABSTRACT FROM AUTHOR]

Since Turkey is located on a region that is prone to the risks of natural disasters like earthquake, flooding, and avalanche; a majority of the residential areas are facing these risks at various levels. Before determination of these risks, taking action in order to decrease the vulnerability levels of the residential areas will help keep the damage at the minimum level in case of a disaster. Urban planning decisions which are made in accordance with vulnerability studies aiming to determine natural disaster risks will not only help prevent loss of life but also help decrease negative social and economic effects of disasters. The Zonguldak city has been chosen as a case study area since Zonguldak metropolitan area has endured almost all kinds of threats that a city can face. In this study disaster-producing factors in the area are primarily considered which can be named as topography, destruction of forest lands, geological and karstic structure, mining activities, and misuse of the land, and later risk assessment is conducted with geographic information system (GIS). It has been assessed that more than half of the buildings within the study area were constructed in areas not suitable for housing. It is concluded that there is a need for urgent urban development plan for the city. [ABSTRACT FROM AUTHOR]

Copyright of Karaelmas Science & Engineering Journal / Karaelmas Fen ve Mühendislik Dergisi is the property of Karaelmas Science & Engineering Journal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Due to improvements on the technology, web-based Geographic Information Systems become an indispensable part of the projects. Because it provides accessibility, easy usage functions and effective sharing options, it can address to the public people, so the web based Geographic Information Systems are chosen for the purpose of solving techniques in presentation sections. Historic heritage sites of countries present very much emphasis for various ways e.g., tourism, publicity of country, economical gains supply. Because of having lots of historical heritage, Turkey takes part of these lucky countries. Not only having historical heritage is important, but also it is very important to protect and revitalization of these sites. For this purpose, UNESCO takes important historical sites into world historical heritage list for the aim of helping world countries. In our country, nine historical areas are under protection of UNESCO and one of these is Safranbolu historical city. The aim of this study is to design a web based information system for the historical structures in city of Safranbolu. With web based GIS, users easily obtain data and maps which they need and can work with this data in accordance with defined interests. [ABSTRACT FROM AUTHOR]