Journal Archives

Urbanization and risks: case of Bejaia city in Algeria

Author: and

Urbanization is a worldwide process, occurring rapidly with adverse consequences on the environment and people. More exactly, urbanization aggravates natural risks and creates additional artificial risks; this is a key issue for urban planning, which can reduce the exposure and negative outcomes if its provisions are properly enforced. This article is based on observations from Bejaia, Algeria. Each year, the city suffers from disasters including floods, forest fires and landslides. This situation has led to the question whether urban planning observes the regulations from other domains. In order to answer it, different risks threatening the city were modeled and mapped. The results consist of computing the number of buildings situated within non-aedificandi zones by the type of risk. The results show that 15,832 buildings violate the law. Moreover, natural hazards (78.31%) are a more important threat than the artificial ones (21.69%). The most important natural risks are due to forest fires (44.82%), and the explosion of the industrial zones (15.24%) is the dominant artificial risk. The findings show that planning can help reducing the risk exposure within the urban areas, if the planning provisions are properly enforced. Moreover, the article makes a significant contribution to demonstrating the possible consequences of sacrificing long-term safety for short-term political interests.

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Issue: Volume 12, Issue 1, 2018

Land cover and land use analysis of urban growth in Romania


While cities appeared and disappeared during the history, and different disciplines, such as ecology and geography attempted to model the process from a systemic perspective, the growth of modern cities, particularly under the form of urban sprawl, is an important phenomenon due to its environmental and socioeconomic impacts. CORINE data allow for analyzing the growth of cities based on the changes in land cover and use. This study aimed to assess the magnitude of long-term urban growth in Romania, chosen as an example of a transition country, hypothesizing that the phenomenon is visible at the national scale. The results locate urban growth in area where the real estate boom is prominent, but its extent is masked by the small share of urban areas from the total territory. If growth is analyzed in relationship to the urban area, its magnitude becomes visible, supporting the underlying hypothesis.

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Issue: Volume 6, Issue 1, 2012