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Chemical composition of rainwater in the Sinos River Basin, Southern Brazil: a source apportionment study
TLDR
Assessment of chemical composition of the rainwater in three areas of different environmental impact gradients in Southern Brazil using the receptor model EPA Positive Matrix Factorization allows a more appropriate understanding of factors that contribute to rainwater chemical composition and also to possible changes in air quality. Expand
Source apportionment of metallic elements in urban atmospheric particulate matter and assessment of its water-soluble fraction toxicity
TLDR
The source apportionment demonstrated that vehicular and industrial emissions are the main anthropogenic sources contributing to the concentration of metallic elements to thePM 2.5 and PM 2. Expand
Seasonal assessment and apportionment of surface water pollution using multivariate statistical methods: Sinos River, southern Brazil
TLDR
The results provided by this study demonstrate the contribution provided by the use of integrated statistical techniques in the interpretation and understanding of large data sets of water quality, showing also that this approach can be used as an efficient methodology to optimize indicators for water quality assessment. Expand
Assessment of susceptibility to landslides through geographic information systems and the logistic regression model
The increase in the frequency of natural disasters in recent years and its consequent social, economic and environmental impacts make it possible to prioritize areas of risk as an essential measureExpand
MULTIVARIATE STATISTICAL ANALYSIS AND USE OF GEOGRAPHIC INFORMATION SYSTEMS IN RAW WATER QUALITY ASSESSMENT
This study aimed to apply a methodology for evaluating raw water qualityand its relationship with land uses and occupations through multivariatestatistical analysis and Geographic Information System.Expand
Classification of Land Use and Occupancy with Emphasis on Urban Areas
Urbanization in Brazil occurred in a disorganized way and without observing criteria that could ensure the sustainability of this process, resulting in high population concentrations in large urbanExpand
METHODOLOGY OF MODELLING: SIMULATION OF URBAN SCENARIOS
ABSTRACTUrbanization has led to a series of problems in medium and large cities, resulting from a lack of planning and technologies to support decision making. This work aims to contribute to theExpand
Future Scenarios: Analysis of Susceptible Areas to Floods and Mass Movements
Resumo The cities' migration process, leveraged by the rural exodus, contributed to the triggering of infrastructure problems, basic sanitation, occupation of susceptible areas, among others. In thisExpand