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- W2938509910 abstract "Despite the coming into force of the Algerian Littoral Law 02/2002, which aimed the protection of the coast and a sustainable use of its resources, construction projects have been authorized on brittle unstable lithology. Relating to this, Kharrouba experienced a tremendous change during the period 2004-2012 due to a massive urbanization. Accordingly, expert’s reports concerning the sustainability of construction projects as required by the Law 01-03-2003, were not sufficient. In this work, we analyzed the morphological coastal transformation of Kharrouba between 1989 and 2016 with particular interest in the decline of the dune due to a strong urban growth. For this purpose, a topographic map and Google Earth Pro pictures were used and processed in a geographical information system (SIG). The results of the diachronic analysis and the evolution of the coastal dune showed that the dune surface increased 23.82 % between 1989 and 2004; a period marked by a low construction activity. On the other hand, the surface of the dune regressed 59.67% during the period 2004-2012 that coincided with a major flat construction for the local population and secondary for the tourism. In addition to the environmental impact, the degradation of the dune led to more erosion, sediment balance disturbance of the beach, and coastal risk susceptibility. Moreover, the study area already experienced two landslides between 2012 and 2014 with negative socioeconomic consequences. A sustainable development of the coastal zone in Kharrouba and the province of Mostaganem should consider the environment and its protection as inevitable conditions for long-term economic activities. Therefore, the stakeholder of this region should comply with the existing laws regarding the preservation of the dune and the respect of the legally fixed distance between the coastline and a planned construction project. TítuloIMPACTO DA URBANIZAÇÃO NA DUNA COSTEIRA: CASO DE KHARROUBA, A OESTE DA ARGÉLIAResumoApesar da entrada em vigor da Lei Argelina sobre o Litoral de 02/2002, que visava a proteção do litoral e o uso sustentável de seus recursos, foi autorizada a implementação de projetos de construção sobre litologia instável e frágil. Em consequência disso, Kharrouba sofreu uma tremenda mudança durante o período de 2004-2012 devido a urbanização maciça. Consequentemente, de acordo com a Lei 01-03-2003, os relatórios de especialistas sobre a sustentabilidade dos projetos de construção, revelam que as medidas tomadas não eram suficientes. Neste trabalho, analisamos a transformação costeira morfológica de Kharrouba entre 1989 e 2016 com particular interesse no declínio da duna devido a um forte crescimento urbano. Para isso, um mapa topográfico e imagens do Google Earth Pro foram usados e processados em um sistema de informações geográficas (SIG). Os resultados da análise diacrônica e a evolução da duna costeira mostraram que a superfície das dunas aumentou 23,82% entre 1989 e 2004; um período marcado por uma baixa atividade de construção. Por outro lado, a superfície da duna regrediu 59,67% durante o período 2004-2012, que coincidiu com o aumento significativo de construção para a população local e para o turismo. Além do impacto ambiental, a degradação da duna levou a mais erosão, perturbação no equilíbrio dos sedimentos da praia e vulnerabilidade a riscos costeiros. Além disso, a área de estudo já sofreu dois deslizamentos entre 2012 e 2014, com consequências socioeconômicas negativas. Para um desenvolvimento sustentável da zona costeira de Kharrouba e da província de Mostaganem deve-se considerar o ambiente e sua proteção como condições indispensáveis para o desenvolvimento de atividades econômicas de longo prazo. Para tanto, as entidades desta região devem cumprir as leis existentes sobre a preservação da duna e o respeito da distância legalmente fixada entre o litoral e as construções civis.Palavras-chave: Argélia. Litoral. Dunas. Impacto. Urbanização. SIG." @default.
- W2938509910 created "2019-04-25" @default.
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- W2938509910 date "2019-02-05" @default.
- W2938509910 modified "2023-09-27" @default.
- W2938509910 title "IMPACT OF THE URBANIZATION ON COASTAL DUNE: CASE OF KHARROUBA, WEST OF ALGERIA" @default.
- W2938509910 doi "https://doi.org/10.12957/jse.2019.39951" @default.
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