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Spatiotemporal variations of fatal landslides in Turkey
Landslides ( IF 5.8 ) Pub Date : 2021-01-07 , DOI: 10.1007/s10346-020-01580-7
Tolga Görüm , Seçkin Fidan

Landslides are one of the devastating geohazards that cause extensive socio-economic and environmental damages on local, regional, and global scales. Previous studies based on digital media sources have attracted attention to the high fatal landslide rate in Turkey, at a continental or global scale; however, the preparation of a comprehensive and long-term database for Turkey has been neglected until today. To examine this data gap, we present a new database of fatal landslide events resulting in fatalities from 1929 to 2019, which has been compiled using Turkish national and local printed and digital media reports, academic papers, disaster, and city annual reports. The fatal database of Turkey (FATALDOT) shows that, in total, 1343 people were killed in 389 fatal landslide events. The spatiotemporal distribution of the fatal landslides highlighted increasing trends with reference to two distinct hotspot zones throughout the Eastern Black Sea and Marmara Region, mostly around Istanbul megacity. Our results show that there has been a significant uniformity between the number of fatalities and fatal landslides triggered by anthropogenic and natural factors over the past decade, indicating an increasing dominance of human activities in fatality rates. Our findings also, for the first time, remarked the potential signatures of the economic crisis and political steadiness on fatal landslide trends. Nevertheless, we conclude that the increasing rate of anthropogenic disturbances in urban and mountainous areas, together with regional variances in topography and climatic setting, is essential in governing the pattern of fatal landslides.

中文翻译:

土耳其致命滑坡的时空变化

滑坡是破坏性地质灾害之一,会在地方、区域和全球范围内造成广泛的社会经济和环境破坏。先前基于数字媒体资源的研究引起了对土耳其在大陆或全球范围内高致死滑坡率的关注;然而,直到今天,土耳其的综合长期数据库的准备工作一直被忽视。为了检查这一数据差距,我们提供了一个新的 1929 年至 2019 年导致死亡人数的致命滑坡事件数据库,该数据库是使用土耳其国家和地方印刷和数字媒体报告、学术论文、灾难和城市年度报告编制的。土耳其的致命数据库 (FATALDOT) 显示,在 389 起致命的山体滑坡事件中,共有 1343 人丧生。参考整个黑海东部和马尔马拉地区的两个不同热点区域,主要围绕伊斯坦布尔大城市,致命山体滑坡的时空分布突出了增加趋势。我们的研究结果表明,在过去十年中,由人为和自然因素引发的死亡人数和致命山体滑坡之间存在显着的一致性,表明人类活动在死亡率中的主导地位日益增加。我们的研究结果还首次指出了经济危机和政治稳定对致命滑坡趋势的潜在特征。尽管如此,我们得出的结论是,城市和山区人为干扰的增加,以及地形和气候环境的区域差异,
更新日期:2021-01-07
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