Shaping Sustainable Urban Environments by Addressing the Hydro-Meteorological Factors in Landslide Occurrence: Ciuperca Hill (Oradea, Romania)

Cezar Morar, Tin Lukić, Biljana Basarin, Aleksandar Valjarević, Miroslav Vujičić, Lyudmila Niemets, Ievgeniia Telebienieva, Lajos Boros and Gyula Nagy
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Cezar Morar: Department of Geography, Tourism and Territorial Planning, University of Oradea, 410087 Oradea, Romania
Tin Lukić: Department of Geography, Tourism and Hotel Management, University of Novi Sad, 21000 Novi Sad, Serbia
Biljana Basarin: Department of Geography, Tourism and Hotel Management, University of Novi Sad, 21000 Novi Sad, Serbia
Aleksandar Valjarević: Faculty of Geography, University of Belgrade, 11000 Belgrade, Serbia
Miroslav Vujičić: Department of Geography, Tourism and Hotel Management, University of Novi Sad, 21000 Novi Sad, Serbia
Lyudmila Niemets: Department of Human Geography and Regional Studies, V.N. Karazin Kharkiv National University, 61022 Kharkiv, Ukraine
Ievgeniia Telebienieva: Department of Human Geography and Regional Studies, V.N. Karazin Kharkiv National University, 61022 Kharkiv, Ukraine
Lajos Boros: Department of Economic and Social Geography, University of Szeged, 6720 Szeged, Hungary
Gyula Nagy: Department of Economic and Social Geography, University of Szeged, 6720 Szeged, Hungary

IJERPH, 2021, vol. 18, issue 9, 1-20

Abstract: Romania is one of the countries severely affected by numerous natural hazards, where landslides constitute a very common geomorphic hazard with strong economic and social impacts. The analyzed area, known as the “Ciuperca Hill”, is located in Oradea (NW part of Romania) and it has experienced a number of landsliding events in previous years, which have endangered anthropogenic systems. Our investigation, focused on the main causal factors, determined that landslide events have rather complex components, reflected in the joint climatological characteristics, properties of the geological substrate, and human activity that further contributed to the intensive change of landscape and acceleration of slope instability. Analysis of daily precipitation displays the occurrence and intensive distribution between May and September. Higher values of rainfall erosivity (observed for the 2014–2017 period), are occurring between April and August. Erosivity density follows this pattern and indicates high intensity events from April until October. SPI index reveals the greater presence of various wet classes during the investigated period. Geological substrate has been found to be highly susceptible to erosion and landsliding when climatological conditions are suitable. Accelerated urbanization and reduced vegetation cover intensified slope instability. The authors implemented adequate remote-sensing techniques in order to monitor and assess the temporal changes in landslide events at local level. Potential solutions for preventative actions are given in order to introduce and conduct qualitative mitigation strategies for shaping sustainable urban environments. Results from this study could have implications for mitigation strategies at national, regional, county, and municipality levels, providing knowledge for the enhancement of geohazard prevention and appropriate response plans.

Keywords: geohazard; landslide; slope instability; rainfall erosivity; environmental sustainability; Oradea; Romania (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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