Implicações geomorfológicas da exploração mineral na região metropolitana do Recife - RMR, Pernambuco, Nordeste do Brasil / Geomorphologic Implications Of Mineral Exploration In The Metropolitan Region Of Recife – Mrr, Pe, Brazil.

2016 
O presente estudo compreende um levantamento das principais implicacoes geomorfologicas derivadas da mineracao na Regiao Metropolitana do Recife - RMR, tendo como objetivo, apontar as principais alteracoes geomorfologicas delas derivadas e correlaciona-las com os riscos que podem trazer a sociedade. Para isso, foram realizados levantamentos bibliografico, cartograficos; trabalhos de campo e geoprocessamento para a confeccao das cartas tematicas. O que se observa na RMR e que a expansao urbana desordenada tem avancado em direcao as areas de extracao de agregados da construcao civil e, com isso, gera conflitos socioambientais. Verificou-se que a atividade mineira gerou passivos ambientais que levaram a intensa instabilidade dos sistemas ambientais nas areas de exploracao, com potencializacao dos processos erosivos locais e retrabalhamento das superficies morfologicas predominantes, pondo em risco a populacao residente. Associados a tais problemas, emergem os conflitos socioambientais. O que se observou foi a extrema necessidade de se repensar e planejar as atividades de mineracao na RMR, com vistas a minimizar os conflitos, recuperar as areas degradadas e evitar/minimizar novos processos de degradacao ambiental. Tais acoes demandam um esforco coletivo da sociedade e do poder publico no sentido de planejar as atividades desenvolvidas no espaco urbano metropolitano.  Abstract This study comprehends a compilation of the main geomorphologic implications derived by the mineral activity in the Metropolitan Region of Recife. It aims at pointing out the main geomorphologic alterations and correlating the risks that might be brought to society. In order to achieve our goals, we made a review of literature and maps as well as field research and geoprocessing to the confection of theme letters. We could observe that in MRR there is a disordered urban expansion that has been advancing to areas of building aggregate extraction, then generating socio-environmental conflicts. We verified that the mineral activity generated environmental passives that led to intensive instability of the environmental systems in the areas of exploration. Due to the potentialization of local erosion and reworking of predominant superficial morphology, there is a risk for the population of residents. Associated to those problems, the socio-environmental conflicts emerge. We verified the extreme need to rethink and plan the mineral activity in MRR, so that the conflicts might be minimized and to recover the degraded areas and avoid/minimize new processes of environmental degradation. Such actions demand a collective effort by the society and the government in order to plan the activities developed in the urban metropolitan region. Key words : Data survey, impacts, mining, degradation, geoprocessing
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