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NTIS 바로가기Environmental monitoring and assessment, v.65 no.1/2, 2000년, pp.443 - 450
Ferreira, Francisco (Faculdade de Ciê) , Tente, Hugo (ncias e Tecnologia, Quinta da Torre, 2825-114 Monte Caparica, Portugal E-mail: ff@mail.fct.unl.pt) , Torres, Pedro (Faculdade de Ciê) , Cardoso, Sérgio (ncias e Tecnologia, Quinta da Torre, 2825-114 Monte Caparica, Portugal) , Palma-Oliveira, José (Faculdade de Ciê) , M. (ncias e Tecnologia, Quinta da Torre, 2825-114 Monte Caparica, Portugal)
The environmental decision-making process is related with the interpretation of data both in spatial and temporal dimensions. This paper presents a methodology that integrates the time-space framework of air quality data to infer the temporal pattern and spatial variability that could be interpreted for environmental decision purposes. Variograms that accommodate time and space lags were used for the analysis and proved to be effective. Its environmental meaning, in particular its relationship with traffic patterns is discussed. Data from air quality monitoring stations located in the central part of Lisbon were used in this study. It describes a strategy to identify the type of vehicles responsible for certain pollutant levels, particularly for nitrogen oxides, and discusses the application of new air quality European legislation to the city of Lisbon, Portugal.
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